Re: [Emc-users] using tool table offsets with G41 or 42

[Jon Elson]

On 10/17/2015 09:47 PM, Gene Heskett wrote:
> So I went to Shop & Save & got the only re-usable mouse 
> traps they had, the other choices being sticky pads or 
> DeCon. Made out of thin galvanized steel these days, a 
> very very poor design. I've been bending parts around to 
> make them more sensitive, but so far all I am doing is 
> furnishing a 2 location daily buffet of peanut butter,
Plain peanut butter doesn't work.  What you need is chunky.  
The peanut butter smell attracts them, but you have to embed 
a chuck of peanut in the claw of the Victor traps with the 
metal trip part. When they try to dig that chunk of peanut 
out, then the trap will trip.  When I detect mice around, I 
freshly bait the traps, and usually hear a snap within 20 
minutes.

Jon

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Re: [Emc-users] using tool table offsets with G41 or 42

[Todd Zuercher]

Gene,

The Carbideprocessors product description doesn't appear to be 100% correct.  
That is why I included the link to Southeast Tools catalog.

- Original Message -
From: "Todd Zuercher" 
To: "Enhanced Machine Controller (EMC)" 
Sent: Saturday, October 17, 2015 11:53:57 PM
Subject: Re: [Emc-users] using tool table offsets with G41 or 42

We have some 1/8" radius pointed roundover bits at work that weren't real 
expensive.  I can look up the manufacturer and part number Monday.  Southeast 
Tools (China knock-offs of White side tools) part# SE1568. 
http://www.southeasttool.com/catalog/index.html#p=26
http://www.carbideprocessors.com/point-cutting-roundover-bit-3-4-dia-3-8-cut-length-1-4-shank-southeast-tool-se1568/

- Original Message -
From: "Gene Heskett" 
To: emc-users@lists.sourceforge.net
Sent: Saturday, October 17, 2015 11:26:33 PM
Subject: Re: [Emc-users] using tool table offsets with G41 or 42

On Saturday 17 October 2015 22:47:43 Gene Heskett wrote:

> On Saturday 17 October 2015 00:21:32 Gene Heskett wrote:
>
> [...]
>
> > If tool compensation can really be made to work, it would simplicate
> > at least 100 LOC out of this program.  Already has, but I'm now
> > adding more stuff to make sure there is turn around room at the ends
> > of the cut sweeps.  But tomorrow is another day.  I am pleased with
> > todays progress.
>
> This was that tommorrow.  I kept getting closer & closer, but I've
> come to 3 conclusions.
>
> 1. I need a roundover tool with a slightly larger radii, these are
> 1/8", bought because the 1/4" tool leaves a 1/8" radius cut at an
> inside corner, and I need perhaps a  5/32 or even a 3/16, but those
> seem to be made of pure unobtainium.

And it turns out when googling, that part number is a 1/16" radius bit, 
no damned wonder its not  doing the job!  Amazon miss-described it.  
Thats twice they've bit my ass in the last month.

And the only hit I can get on a 1/8" radius pointed round over is at 
Carbide Processors, at $108 a copy that is un-obtainium personified!

Does anyone else have better google foo than that?

I have some diamond burrs for a dremel. I might be able to make these 3 
$13 versions into a more pleasing profile on the toy mill.

> 2. This tool, at 2500 revs, if it does have a sharp point, needs to be
> fed quite a bit slower than 20 IPM, the tip is just rolling on the
> wood, leaving a line of whiskers to clean off.  So tommorrow I'll add
> a roundover feed rate thats about 1/8th the 1/4" tools 20 ipm feed
> rate to see if that will result in a cleaner cut.
>
> 3. I need to add a radius move at the inner end of the fingers
> pockets, a bit over and above what the tool comp does, its squaring up
> that inside corner too much.  That isn't hurting anything but it does
> look funkity when the joints are brought together.  And THAT will be
> fun, NOT.
>
> 4. I had a mouse run into the garage a couple days ago while I was
> doing some house cleaning & trash bagging.  So I went to Shop & Save &
> got the only re-usable mouse traps they had, the other choices being
> sticky pads or DeCon.  Made out of thin galvanized steel these days, a
> very very poor design.  I've been bending parts around to make them
> more sensitive, but so far all I am doing is furnishing a 2 location
> daily buffet of peanut butter, which its repeatedly cleaning off the
> trip pans because they are so damned hard to trip. The basic problem
> is that the wire holding the spring loaded bail open, has its anchor
> point about 3x farther away from the bail wire than the old style
> wooden trap, so the leverage it puts on the trip wire is sufficient to
> actually lift the pan back into position as long as its not standing
> on the pan with all 4 feet.
>
> I take it they were designed to be a buffet table by the humane
> society, not to kill mice. :(
>
> Cheers, Gene Heskett


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] using tool table offsets with G41 or 42

[Gene Heskett]

On Saturday 17 October 2015 22:47:43 Gene Heskett wrote:

> On Saturday 17 October 2015 00:21:32 Gene Heskett wrote:
>
> [...]
>
> > If tool compensation can really be made to work, it would simplicate
> > at least 100 LOC out of this program.  Already has, but I'm now
> > adding more stuff to make sure there is turn around room at the ends
> > of the cut sweeps.  But tomorrow is another day.  I am pleased with
> > todays progress.
>
> This was that tommorrow.  I kept getting closer & closer, but I've
> come to 3 conclusions.
>
> 1. I need a roundover tool with a slightly larger radii, these are
> 1/8", bought because the 1/4" tool leaves a 1/8" radius cut at an
> inside corner, and I need perhaps a  5/32 or even a 3/16, but those
> seem to be made of pure unobtainium.

And it turns out when googling, that part number is a 1/16" radius bit, 
no damned wonder its not  doing the job!  Amazon miss-described it.  
Thats twice they've bit my ass in the last month.

And the only hit I can get on a 1/8" radius pointed round over is at 
Carbide Processors, at $108 a copy that is un-obtainium personified!

Does anyone else have better google foo than that?

I have some diamond burrs for a dremel. I might be able to make these 3 
$13 versions into a more pleasing profile on the toy mill.

> 2. This tool, at 2500 revs, if it does have a sharp point, needs to be
> fed quite a bit slower than 20 IPM, the tip is just rolling on the
> wood, leaving a line of whiskers to clean off.  So tommorrow I'll add
> a roundover feed rate thats about 1/8th the 1/4" tools 20 ipm feed
> rate to see if that will result in a cleaner cut.
>
> 3. I need to add a radius move at the inner end of the fingers
> pockets, a bit over and above what the tool comp does, its squaring up
> that inside corner too much.  That isn't hurting anything but it does
> look funkity when the joints are brought together.  And THAT will be
> fun, NOT.
>
> 4. I had a mouse run into the garage a couple days ago while I was
> doing some house cleaning & trash bagging.  So I went to Shop & Save &
> got the only re-usable mouse traps they had, the other choices being
> sticky pads or DeCon.  Made out of thin galvanized steel these days, a
> very very poor design.  I've been bending parts around to make them
> more sensitive, but so far all I am doing is furnishing a 2 location
> daily buffet of peanut butter, which its repeatedly cleaning off the
> trip pans because they are so damned hard to trip. The basic problem
> is that the wire holding the spring loaded bail open, has its anchor
> point about 3x farther away from the bail wire than the old style
> wooden trap, so the leverage it puts on the trip wire is sufficient to
> actually lift the pan back into position as long as its not standing
> on the pan with all 4 feet.
>
> I take it they were designed to be a buffet table by the humane
> society, not to kill mice. :(
>
> Cheers, Gene Heskett


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] using tool table offsets with G41 or 42

[Todd Zuercher]

Ahh, the "better" mouse trap.  You can still get the old fashioned wooden ones. 
 (pretty sure Dollar General usually has them).  I like some of the newer 
wooden ones that have the plastic trigger pad.  They are very sensitive 
sometimes almost too sensitive. (go off when you set them down.)

- Original Message -
From: "Gene Heskett" 
To: emc-users@lists.sourceforge.net
Sent: Saturday, October 17, 2015 10:47:43 PM
Subject: Re: [Emc-users] using tool table offsets with G41 or 42

On Saturday 17 October 2015 00:21:32 Gene Heskett wrote:

[...]

> If tool compensation can really be made to work, it would simplicate
> at least 100 LOC out of this program.  Already has, but I'm now adding
> more stuff to make sure there is turn around room at the ends of the
> cut sweeps.  But tomorrow is another day.  I am pleased with todays
> progress.

This was that tommorrow.  I kept getting closer & closer, but I've come 
to 3 conclusions.

1. I need a roundover tool with a slightly larger radii, these are 1/8", 
bought because the 1/4" tool leaves a 1/8" radius cut at an inside 
corner, and I need perhaps a  5/32 or even a 3/16, but those seem to be 
made of pure unobtainium.

2. This tool, at 2500 revs, if it does have a sharp point, needs to be 
fed quite a bit slower than 20 IPM, the tip is just rolling on the wood, 
leaving a line of whiskers to clean off.  So tommorrow I'll add a 
roundover feed rate thats about 1/8th the 1/4" tools 20 ipm feed rate to 
see if that will result in a cleaner cut.

3. I need to add a radius move at the inner end of the fingers pockets, a 
bit over and above what the tool comp does, its squaring up that inside 
corner too much.  That isn't hurting anything but it does look funkity 
when the joints are brought together.  And THAT will be fun, NOT.

4. I had a mouse run into the garage a couple days ago while I was doing 
some house cleaning & trash bagging.  So I went to Shop & Save & got the 
only re-usable mouse traps they had, the other choices being sticky pads 
or DeCon.  Made out of thin galvanized steel these days, a very very 
poor design.  I've been bending parts around to make them more 
sensitive, but so far all I am doing is furnishing a 2 location daily  
buffet of peanut butter, which its repeatedly cleaning off the trip pans 
because they are so damned hard to trip. The basic problem is that the 
wire holding the spring loaded bail open, has its anchor point about 3x 
farther away from the bail wire than the old style wooden trap, so the 
leverage it puts on the trip wire is sufficient to actually lift the pan 
back into position as long as its not standing on the pan with all 4 
feet.

I take it they were designed to be a buffet table by the humane society, 
not to kill mice. :(

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Jack Coats]

if you need real encryption, put in a netscreen 5 on each end and get a
signed certificate for them.  When working for IT at a bank, we used them
for our wire transfers for international wires,  It can be hard core
encryption.  Once set up, it is dead easy to use.  Netscreen 5 refurb is
$125 or so on Amazon.  New $600.  Owned by Juniper Networks now days.

On Sat, Oct 17, 2015 at 5:26 PM, Jack Coats  wrote:

> i used sprint for primary internet for a while.  Last few years I have
> Exede satellite feed.  it is about $100/mo for 15GB, and $10/G additional
> use,  Other plans are available.  It is pretty solid.  I'd still go for a
> wired feed to keep costs down. (No DSL or cable available)
>
> On Sat, Oct 17, 2015 at 3:20 PM, Dave Cole 
> wrote:
>
>>
>> I need a fast connection as we want to be able to do remote video and
>> also do debugging of the PLC control remotely via the comm link with the
>> help of a remote video camera.
>>
>> One problem that I am having is that Sprint wants to control what device
>> I use.   They literally offer one device at a time and the last one was
>> a 4G router that only supports VPN Passthrough even though they were
>> "sure" that it would support a site to site VPN connection.
>> I don't want to have two remote routers or boxes in the cabinet. Cost is
>> not a problem.   The Netgear 6100D I have used is $200 and that is
>> considered very cheap.  $600 would not be out of line if it can do what
>> we want and has a fairly wide temperature range. This device will be in
>> a box mounted outside.
>>
>> I can't use OpenVPN because there is no PC or server at the remote site.
>>
>> A GSM solution with AT would be ideal if they have sufficient coverage
>> since swapping out the 4G router would only require swapping the SIM
>> card instead of going through the ridiculous device activation routine
>> that Sprint and Verizon requires.
>>
>> I think that AT will be my next call.  I've pretty much run out of
>> patience with Sprint.
>>
>> Thanks,
>>
>> Dave
>>
>> On 10/16/2015 11:50 PM, Tom Easterday wrote:
>> > You didn't say what kind of throughput you need nor what your budget is
>> but one option is something like a Cisco RV320 on each end with 4G modems
>> attached.  You can see a review of the router here:
>> >
>> >
>> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
>> >
>> > There is also a you tube video on configuring the modem:
>> http://youtu.be/RXerRGEZFEI
>> >
>> > I recommended the RV180 for a friend's business that needed sts vpn
>> (over public internet, not over cellular) and it worked well for him and he
>> said it was easy for them to set up and use.
>> >
>> > There are of course other more diy setups using cell phones with
>> tethering and using OpenVPN or such on your own processors.  But you have
>> to be careful as carriers may try to limit or block always on use of
>> tethering and data plans may not fit your requirements.  Or you get some
>> cellular wifi hotspots and use them with OpenVPN.
>> > See:
>> >
>> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
>> >
>> >> On Oct 16, 2015, at 3:08 PM, Dave Cole 
>> wrote:
>> >>
>> >> Key points - need help with a data cell phone connection to remote
>> >> equipment via a VPN.
>> >>
>> >> Guys,
>> >>
>> >> I'm working with some remotely located equipment and I need to
>> establish
>> >> a comm link to it.
>> >>
>> >> We have decided to go with a cell phone data connection.   We want to
>> be
>> >> able to remotely access this equipment via a "site to site" VPN.
>> >> This is different than a client/server VPN connection that people
>> >> oftentimes use to connect back to corporate headquarters for email,
>> file
>> >> sharing etc.
>> >>
>> >> The remote equipment is ethernet based but it is not a generic PC, it's
>> >> a PLC.   So I need the remote cell phone modem/router to do all of the
>> >> work of encrypting the data, establishing the VPN tunnel, etc.  It
>> needs
>> >> to be a VPN Router with a 4G modem built in that supports a "site to
>> >> site connection" and not just be a Router with VPN passthrough.
>> >>
>> >> Sprint sells a Netgear 6100D 4G router that is suppose to do this. I
>> >> bought it and then Sprint told me that they will not support remote
>> >> access on this device!
>> >>
>> >> Does anyone have any experience in doing this?   I've been talking to
>> >> "experts" at Sprint and they want me to use a Sprint approved 4G
>> >> cell/router that only supports VPN pass through after I have told them
>> >> over and over that I need to do a site to site VPN with their 4G router
>> >> acting as a VPN endpoint.
>> >>
>> >> Sadly, they don't understand the requirements.
>> >>
>> >> Ironically, TP Link sells a "wired" VPN router for about $60 that does
>> >> what I need, so I could "stack" routers to do 

Re: [Emc-users] using tool table offsets with G41 or 42

[Gene Heskett]

On Saturday 17 October 2015 00:21:32 Gene Heskett wrote:

[...]

> If tool compensation can really be made to work, it would simplicate
> at least 100 LOC out of this program.  Already has, but I'm now adding
> more stuff to make sure there is turn around room at the ends of the
> cut sweeps.  But tomorrow is another day.  I am pleased with todays
> progress.

This was that tommorrow.  I kept getting closer & closer, but I've come 
to 3 conclusions.

1. I need a roundover tool with a slightly larger radii, these are 1/8", 
bought because the 1/4" tool leaves a 1/8" radius cut at an inside 
corner, and I need perhaps a  5/32 or even a 3/16, but those seem to be 
made of pure unobtainium.

2. This tool, at 2500 revs, if it does have a sharp point, needs to be 
fed quite a bit slower than 20 IPM, the tip is just rolling on the wood, 
leaving a line of whiskers to clean off.  So tommorrow I'll add a 
roundover feed rate thats about 1/8th the 1/4" tools 20 ipm feed rate to 
see if that will result in a cleaner cut.

3. I need to add a radius move at the inner end of the fingers pockets, a 
bit over and above what the tool comp does, its squaring up that inside 
corner too much.  That isn't hurting anything but it does look funkity 
when the joints are brought together.  And THAT will be fun, NOT.

4. I had a mouse run into the garage a couple days ago while I was doing 
some house cleaning & trash bagging.  So I went to Shop & Save & got the 
only re-usable mouse traps they had, the other choices being sticky pads 
or DeCon.  Made out of thin galvanized steel these days, a very very 
poor design.  I've been bending parts around to make them more 
sensitive, but so far all I am doing is furnishing a 2 location daily  
buffet of peanut butter, which its repeatedly cleaning off the trip pans 
because they are so damned hard to trip. The basic problem is that the 
wire holding the spring loaded bail open, has its anchor point about 3x 
farther away from the bail wire than the old style wooden trap, so the 
leverage it puts on the trip wire is sufficient to actually lift the pan 
back into position as long as its not standing on the pan with all 4 
feet.

I take it they were designed to be a buffet table by the humane society, 
not to kill mice. :(

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] using tool table offsets with G41 or 42

[Todd Zuercher]

We have some 1/8" radius pointed roundover bits at work that weren't real 
expensive.  I can look up the manufacturer and part number Monday.  Southeast 
Tools (China knock-offs of White side tools) part# SE1568. 
http://www.southeasttool.com/catalog/index.html#p=26
http://www.carbideprocessors.com/point-cutting-roundover-bit-3-4-dia-3-8-cut-length-1-4-shank-southeast-tool-se1568/

- Original Message -
From: "Gene Heskett" 
To: emc-users@lists.sourceforge.net
Sent: Saturday, October 17, 2015 11:26:33 PM
Subject: Re: [Emc-users] using tool table offsets with G41 or 42

On Saturday 17 October 2015 22:47:43 Gene Heskett wrote:

> On Saturday 17 October 2015 00:21:32 Gene Heskett wrote:
>
> [...]
>
> > If tool compensation can really be made to work, it would simplicate
> > at least 100 LOC out of this program.  Already has, but I'm now
> > adding more stuff to make sure there is turn around room at the ends
> > of the cut sweeps.  But tomorrow is another day.  I am pleased with
> > todays progress.
>
> This was that tommorrow.  I kept getting closer & closer, but I've
> come to 3 conclusions.
>
> 1. I need a roundover tool with a slightly larger radii, these are
> 1/8", bought because the 1/4" tool leaves a 1/8" radius cut at an
> inside corner, and I need perhaps a  5/32 or even a 3/16, but those
> seem to be made of pure unobtainium.

And it turns out when googling, that part number is a 1/16" radius bit, 
no damned wonder its not  doing the job!  Amazon miss-described it.  
Thats twice they've bit my ass in the last month.

And the only hit I can get on a 1/8" radius pointed round over is at 
Carbide Processors, at $108 a copy that is un-obtainium personified!

Does anyone else have better google foo than that?

I have some diamond burrs for a dremel. I might be able to make these 3 
$13 versions into a more pleasing profile on the toy mill.

> 2. This tool, at 2500 revs, if it does have a sharp point, needs to be
> fed quite a bit slower than 20 IPM, the tip is just rolling on the
> wood, leaving a line of whiskers to clean off.  So tommorrow I'll add
> a roundover feed rate thats about 1/8th the 1/4" tools 20 ipm feed
> rate to see if that will result in a cleaner cut.
>
> 3. I need to add a radius move at the inner end of the fingers
> pockets, a bit over and above what the tool comp does, its squaring up
> that inside corner too much.  That isn't hurting anything but it does
> look funkity when the joints are brought together.  And THAT will be
> fun, NOT.
>
> 4. I had a mouse run into the garage a couple days ago while I was
> doing some house cleaning & trash bagging.  So I went to Shop & Save &
> got the only re-usable mouse traps they had, the other choices being
> sticky pads or DeCon.  Made out of thin galvanized steel these days, a
> very very poor design.  I've been bending parts around to make them
> more sensitive, but so far all I am doing is furnishing a 2 location
> daily buffet of peanut butter, which its repeatedly cleaning off the
> trip pans because they are so damned hard to trip. The basic problem
> is that the wire holding the spring loaded bail open, has its anchor
> point about 3x farther away from the bail wire than the old style
> wooden trap, so the leverage it puts on the trip wire is sufficient to
> actually lift the pan back into position as long as its not standing
> on the pan with all 4 feet.
>
> I take it they were designed to be a buffet table by the humane
> society, not to kill mice. :(
>
> Cheers, Gene Heskett


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] using tool table offsets with G41 or 42

[Gene Heskett]

On Saturday 17 October 2015 23:21:56 Todd Zuercher wrote:

> Ahh, the "better" mouse trap.  You can still get the old fashioned
> wooden ones.  (pretty sure Dollar General usually has them).  I like
> some of the newer wooden ones that have the plastic trigger pad.  They
> are very sensitive sometimes almost too sensitive. (go off when you
> set them down.)

I hadn't considered the dollar store.  We've a couple of those, out in 
the very low rent districts.  Thanks for the reminder.

> - Original Message -
> From: "Gene Heskett" 
> To: emc-users@lists.sourceforge.net
> Sent: Saturday, October 17, 2015 10:47:43 PM
> Subject: Re: [Emc-users] using tool table offsets with G41 or 42
>
> On Saturday 17 October 2015 00:21:32 Gene Heskett wrote:
>
> [...]
>
> > If tool compensation can really be made to work, it would simplicate
> > at least 100 LOC out of this program.  Already has, but I'm now
> > adding more stuff to make sure there is turn around room at the ends
> > of the cut sweeps.  But tomorrow is another day.  I am pleased with
> > todays progress.
>
> This was that tommorrow.  I kept getting closer & closer, but I've
> come to 3 conclusions.
>
> 1. I need a roundover tool with a slightly larger radii, these are
> 1/8", bought because the 1/4" tool leaves a 1/8" radius cut at an
> inside corner, and I need perhaps a  5/32 or even a 3/16, but those
> seem to be made of pure unobtainium.
>
> 2. This tool, at 2500 revs, if it does have a sharp point, needs to be
> fed quite a bit slower than 20 IPM, the tip is just rolling on the
> wood, leaving a line of whiskers to clean off.  So tommorrow I'll add
> a roundover feed rate thats about 1/8th the 1/4" tools 20 ipm feed
> rate to see if that will result in a cleaner cut.
>
> 3. I need to add a radius move at the inner end of the fingers
> pockets, a bit over and above what the tool comp does, its squaring up
> that inside corner too much.  That isn't hurting anything but it does
> look funkity when the joints are brought together.  And THAT will be
> fun, NOT.
>
> 4. I had a mouse run into the garage a couple days ago while I was
> doing some house cleaning & trash bagging.  So I went to Shop & Save &
> got the only re-usable mouse traps they had, the other choices being
> sticky pads or DeCon.  Made out of thin galvanized steel these days, a
> very very poor design.  I've been bending parts around to make them
> more sensitive, but so far all I am doing is furnishing a 2 location
> daily buffet of peanut butter, which its repeatedly cleaning off the
> trip pans because they are so damned hard to trip. The basic problem
> is that the wire holding the spring loaded bail open, has its anchor
> point about 3x farther away from the bail wire than the old style
> wooden trap, so the leverage it puts on the trip wire is sufficient to
> actually lift the pan back into position as long as its not standing
> on the pan with all 4 feet.
>
> I take it they were designed to be a buffet table by the humane
> society, not to kill mice. :(
>
> Cheers, Gene Heskett


Cheers, Gene Heskett
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Jack Coats]

i used sprint for primary internet for a while.  Last few years I have
Exede satellite feed.  it is about $100/mo for 15GB, and $10/G additional
use,  Other plans are available.  It is pretty solid.  I'd still go for a
wired feed to keep costs down. (No DSL or cable available)

On Sat, Oct 17, 2015 at 3:20 PM, Dave Cole  wrote:

>
> I need a fast connection as we want to be able to do remote video and
> also do debugging of the PLC control remotely via the comm link with the
> help of a remote video camera.
>
> One problem that I am having is that Sprint wants to control what device
> I use.   They literally offer one device at a time and the last one was
> a 4G router that only supports VPN Passthrough even though they were
> "sure" that it would support a site to site VPN connection.
> I don't want to have two remote routers or boxes in the cabinet. Cost is
> not a problem.   The Netgear 6100D I have used is $200 and that is
> considered very cheap.  $600 would not be out of line if it can do what
> we want and has a fairly wide temperature range. This device will be in
> a box mounted outside.
>
> I can't use OpenVPN because there is no PC or server at the remote site.
>
> A GSM solution with AT would be ideal if they have sufficient coverage
> since swapping out the 4G router would only require swapping the SIM
> card instead of going through the ridiculous device activation routine
> that Sprint and Verizon requires.
>
> I think that AT will be my next call.  I've pretty much run out of
> patience with Sprint.
>
> Thanks,
>
> Dave
>
> On 10/16/2015 11:50 PM, Tom Easterday wrote:
> > You didn't say what kind of throughput you need nor what your budget is
> but one option is something like a Cisco RV320 on each end with 4G modems
> attached.  You can see a review of the router here:
> >
> >
> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
> >
> > There is also a you tube video on configuring the modem:
> http://youtu.be/RXerRGEZFEI
> >
> > I recommended the RV180 for a friend's business that needed sts vpn
> (over public internet, not over cellular) and it worked well for him and he
> said it was easy for them to set up and use.
> >
> > There are of course other more diy setups using cell phones with
> tethering and using OpenVPN or such on your own processors.  But you have
> to be careful as carriers may try to limit or block always on use of
> tethering and data plans may not fit your requirements.  Or you get some
> cellular wifi hotspots and use them with OpenVPN.
> > See:
> >
> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
> >
> >> On Oct 16, 2015, at 3:08 PM, Dave Cole  wrote:
> >>
> >> Key points - need help with a data cell phone connection to remote
> >> equipment via a VPN.
> >>
> >> Guys,
> >>
> >> I'm working with some remotely located equipment and I need to establish
> >> a comm link to it.
> >>
> >> We have decided to go with a cell phone data connection.   We want to be
> >> able to remotely access this equipment via a "site to site" VPN.
> >> This is different than a client/server VPN connection that people
> >> oftentimes use to connect back to corporate headquarters for email, file
> >> sharing etc.
> >>
> >> The remote equipment is ethernet based but it is not a generic PC, it's
> >> a PLC.   So I need the remote cell phone modem/router to do all of the
> >> work of encrypting the data, establishing the VPN tunnel, etc.  It needs
> >> to be a VPN Router with a 4G modem built in that supports a "site to
> >> site connection" and not just be a Router with VPN passthrough.
> >>
> >> Sprint sells a Netgear 6100D 4G router that is suppose to do this. I
> >> bought it and then Sprint told me that they will not support remote
> >> access on this device!
> >>
> >> Does anyone have any experience in doing this?   I've been talking to
> >> "experts" at Sprint and they want me to use a Sprint approved 4G
> >> cell/router that only supports VPN pass through after I have told them
> >> over and over that I need to do a site to site VPN with their 4G router
> >> acting as a VPN endpoint.
> >>
> >> Sadly, they don't understand the requirements.
> >>
> >> Ironically, TP Link sells a "wired" VPN router for about $60 that does
> >> what I need, so I could "stack" routers to do what I need, but I really
> >> don't want to have two routers in the remote control box.
> >>
> >> There are some really brilliant people on this list so I am hoping that
> >> someone can give me some advice/direction etc.
> >>
> >> Thank You!
> >>
> >> Dave
> >>
> >> ---
> >> This email has been checked for viruses by Avast antivirus software.
> >> https://www.avast.com/antivirus
> >>
> >>
> >>
> --
> >> ___
> >> 

Re: [Emc-users] using tool table offsets with G41 or 42

[Gene Heskett]

On Saturday 17 October 2015 23:17:40 Jon Elson wrote:

> On 10/17/2015 09:47 PM, Gene Heskett wrote:
> > So I went to Shop & Save & got the only re-usable mouse
> > traps they had, the other choices being sticky pads or
> > DeCon. Made out of thin galvanized steel these days, a
> > very very poor design. I've been bending parts around to
> > make them more sensitive, but so far all I am doing is
> > furnishing a 2 location daily buffet of peanut butter,
>
> Plain peanut butter doesn't work.  What you need is chunky.
> The peanut butter smell attracts them, but you have to embed
> a chuck of peanut in the claw of the Victor traps with the
> metal trip part. When they try to dig that chunk of peanut
> out, then the trap will trip.  When I detect mice around, I
> freshly bait the traps, and usually hear a snap within 20
> minutes.
>
> Jon
>
These aren't victor traps, and it is chunky, but I haven't tried to 
actually trap a hunk under the claw.  If this set fails, I'll stick a 
piece of english walnut under the claw & cover it with chunky PB.

But tonight I need to go dump the plastic rain gauge, its supposedly 
freezing here, but the airport temp 20 miles north is 40F.  Figures.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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[Emc-users] Motenc lite eeprom

[ELHIMA Moustapha]

Hi !!
I got a problem with my motenc lite board, every thinks was working fine and 
after few time my board was reading only the input but no drive the 
outputsAfter a restart I got a message that my board is not recognized
I have installed the board on a windows computer install the driver and It look 
okCan someone can explain me how to rewrite the eeprom maybe some problem 
happen on itI have check the vitalsystem website and they didn't give any 
utility to rewrite or debug the eepromDoes someone have a windows program to do 
that and can explain me how to fix that
Thanks a lot!
Moustapha Elhima
+33 6 09 99 21 97
P Penser à préserver l'environnement avant d'imprimer ce message. Merci
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[Emc-users] Debian install from live image

[jrmitchellj .]

Since Lucid has reached end of support I decided to back up my config and
install from the 2.7 live CD.
Having done that, installed all of the updates, and adjustments to my
config files,I ran the latency test.
Overall the latency numbers are 30% higher than the Lucid install, but
still in an acceptable range.
Setting "isolcpus=1" in grub has no effect on latency, as it did in the
Lucid install.
Now when I run LinuxCNC, I am getting RTAPI error on startup
intermittently.  When it does start without the error, the error shows up
within 5 to 10 minutes.

Attached are the dmesg, and the -v startup for linuxcnc.

Watching the system monitor while LinuxCNC is running for spikes in the CPU
utilization shows nothing unusual, other than the second cpu is not being
utilized at all.
I have always thought that isolating a cpu from the linux scheduler was to
allow the RTAI kernel to use it without the system interrupts interfering
with it.

Is there some setup that i missed to mask the RTAI kernel to use the
isolated cpu? Or are there any "taskset" statements that need to be changed
to properly utilize the isolated cpu?

I know just enough about real time OSes to be really dangerous!

Any help is always appreciated!

--J. Ray Mitchell Jr.
jrmitche...@gmail.com
(818)324-7573


The dogmas of the quiet past, are inadequate to the stormy present. The
occasion is piled high with difficulty, and we must rise with the occasion.
As our case is new, so we must think anew and act anew. We must disenthrall
ourselves, and then we shall save our country.*Abraham Lincoln
*, *Annual message
to Congress, December 1, 1862*
*16th president of US (1809 - 1865)*
[0.00] Initializing cgroup subsys cpuset
[0.00] Initializing cgroup subsys cpu
[0.00] Linux version 3.4-9-rtai-686-pae (Debian 3.4.55-4linuxcnc) () 
(gcc version 4.6.3 (Debian 4.6.3-14) ) #1 SMP PREEMPT Debian 3.4.55-4linuxcnc
[0.00] BIOS-provided physical RAM map:
[0.00]  BIOS-e820:  - 0008f000 (usable)
[0.00]  BIOS-e820: 0008f000 - 0009 (reserved)
[0.00]  BIOS-e820: 0009 - 0009ec00 (usable)
[0.00]  BIOS-e820: 0009ec00 - 000a (reserved)
[0.00]  BIOS-e820: 000e - 0010 (reserved)
[0.00]  BIOS-e820: 0010 - 7ee98000 (usable)
[0.00]  BIOS-e820: 7ee98000 - 7eebf000 (reserved)
[0.00]  BIOS-e820: 7eebf000 - 7ef48000 (usable)
[0.00]  BIOS-e820: 7ef48000 - 7efbf000 (ACPI NVS)
[0.00]  BIOS-e820: 7efbf000 - 7eff1000 (usable)
[0.00]  BIOS-e820: 7eff1000 - 7efff000 (ACPI data)
[0.00]  BIOS-e820: 7efff000 - 7f00 (usable)
[0.00]  BIOS-e820: 7f00 - 8000 (reserved)
[0.00]  BIOS-e820: f800 - fc00 (reserved)
[0.00]  BIOS-e820: fff0 - 0001 (reserved)
[0.00] Notice: NX (Execute Disable) protection cannot be enabled: 
non-PAE kernel!
[0.00] SMBIOS 2.5 present.
[0.00] DMI:  /D510MO, BIOS 
MOPNV10N.86A.0542.2011.0729.1300 07/29/2011
[0.00] e820 update range:  - 0001 (usable) 
==> (reserved)
[0.00] e820 remove range: 000a - 0010 (usable)
[0.00] last_pfn = 0x7f000 max_arch_pfn = 0x10
[0.00] MTRR default type: uncachable
[0.00] MTRR fixed ranges enabled:
[0.00]   0-9 write-back
[0.00]   A-B uncachable
[0.00]   C-D write-protect
[0.00]   E-F uncachable
[0.00] MTRR variable ranges enabled:
[0.00]   0 base 0 mask F8000 write-back
[0.00]   1 base 07F00 mask FFF00 uncachable
[0.00]   2 base 0 mask F write-protect
[0.00]   3 base 0FFF1 mask F write-protect
[0.00]   4 disabled
[0.00]   5 disabled
[0.00]   6 disabled
[0.00] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[0.00] found SMP MP-table at [c00fbe70] fbe70
[0.00] initial memory mapped : 0 - 0180
[0.00] Base memory trampoline at [c009a000] 9a000 size 16384
[0.00] init_memory_mapping: -377fe000
[0.00]  00 - 40 page 4k
[0.00]  40 - 003740 page 2M
[0.00]  003740 - 00377fe000 page 4k
[0.00] kernel direct mapping tables up to 0x377fdfff @ [mem 
0x017f8000-0x017f]
[0.00] RAMDISK: 3652c000 - 3728e000
[0.00] ACPI: RSDP 000f2070 00024 (v02 INTEL )
[0.00] ACPI: XSDT 7effe120 0004C (v01 INTEL  MOPNV10N 021E  
0113)
[0.00] ACPI: FACP 7effd000 000F4 (v03 INTEL  MOPNV10N 

Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Dave Cole]

I need a fast connection as we want to be able to do remote video and 
also do debugging of the PLC control remotely via the comm link with the 
help of a remote video camera.

One problem that I am having is that Sprint wants to control what device 
I use.   They literally offer one device at a time and the last one was 
a 4G router that only supports VPN Passthrough even though they were 
"sure" that it would support a site to site VPN connection.
I don't want to have two remote routers or boxes in the cabinet. Cost is 
not a problem.   The Netgear 6100D I have used is $200 and that is 
considered very cheap.  $600 would not be out of line if it can do what 
we want and has a fairly wide temperature range. This device will be in 
a box mounted outside.

I can't use OpenVPN because there is no PC or server at the remote site.

A GSM solution with AT would be ideal if they have sufficient coverage 
since swapping out the 4G router would only require swapping the SIM 
card instead of going through the ridiculous device activation routine 
that Sprint and Verizon requires.

I think that AT will be my next call.  I've pretty much run out of 
patience with Sprint.

Thanks,

Dave

On 10/16/2015 11:50 PM, Tom Easterday wrote:
> You didn't say what kind of throughput you need nor what your budget is but 
> one option is something like a Cisco RV320 on each end with 4G modems 
> attached.  You can see a review of the router here:
>
> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
>
> There is also a you tube video on configuring the modem: 
> http://youtu.be/RXerRGEZFEI
>
> I recommended the RV180 for a friend's business that needed sts vpn (over 
> public internet, not over cellular) and it worked well for him and he said it 
> was easy for them to set up and use.
>
> There are of course other more diy setups using cell phones with tethering 
> and using OpenVPN or such on your own processors.  But you have to be careful 
> as carriers may try to limit or block always on use of tethering and data 
> plans may not fit your requirements.  Or you get some cellular wifi hotspots 
> and use them with OpenVPN.
> See:
> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
>
>> On Oct 16, 2015, at 3:08 PM, Dave Cole  wrote:
>>
>> Key points - need help with a data cell phone connection to remote
>> equipment via a VPN.
>>
>> Guys,
>>
>> I'm working with some remotely located equipment and I need to establish
>> a comm link to it.
>>
>> We have decided to go with a cell phone data connection.   We want to be
>> able to remotely access this equipment via a "site to site" VPN.
>> This is different than a client/server VPN connection that people
>> oftentimes use to connect back to corporate headquarters for email, file
>> sharing etc.
>>
>> The remote equipment is ethernet based but it is not a generic PC, it's
>> a PLC.   So I need the remote cell phone modem/router to do all of the
>> work of encrypting the data, establishing the VPN tunnel, etc.  It needs
>> to be a VPN Router with a 4G modem built in that supports a "site to
>> site connection" and not just be a Router with VPN passthrough.
>>
>> Sprint sells a Netgear 6100D 4G router that is suppose to do this. I
>> bought it and then Sprint told me that they will not support remote
>> access on this device!
>>
>> Does anyone have any experience in doing this?   I've been talking to
>> "experts" at Sprint and they want me to use a Sprint approved 4G
>> cell/router that only supports VPN pass through after I have told them
>> over and over that I need to do a site to site VPN with their 4G router
>> acting as a VPN endpoint.
>>
>> Sadly, they don't understand the requirements.
>>
>> Ironically, TP Link sells a "wired" VPN router for about $60 that does
>> what I need, so I could "stack" routers to do what I need, but I really
>> don't want to have two routers in the remote control box.
>>
>> There are some really brilliant people on this list so I am hoping that
>> someone can give me some advice/direction etc.
>>
>> Thank You!
>>
>> Dave
>>
>> ---
>> This email has been checked for viruses by Avast antivirus software.
>> https://www.avast.com/antivirus
>>
>>
>> --
>> ___
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>> https://lists.sourceforge.net/lists/listinfo/emc-developers
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Re: [Emc-users] Debian install from live image

[Karlsson & Wang]

> Since Lucid has reached end of support I decided to back up my config and
> install from the 2.7 live CD.
> Having done that, installed all of the updates, and adjustments to my
> config files,I ran the latency test.
> Overall the latency numbers are 30% higher than the Lucid install, but
> still in an acceptable range.
> Setting "isolcpus=1" in grub has no effect on latency, as it did in the
> Lucid install.
> Now when I run LinuxCNC, I am getting RTAPI error on startup
> intermittently.  When it does start without the error, the error shows up
> within 5 to 10 minutes.
> 
> Attached are the dmesg, and the -v startup for linuxcnc.
> 
> Watching the system monitor while LinuxCNC is running for spikes in the CPU
> utilization shows nothing unusual, other than the second cpu is not being
> utilized at all.
> I have always thought that isolating a cpu from the linux scheduler was to
> allow the RTAI kernel to use it without the system interrupts interfering
> with it.
> 
> Is there some setup that i missed to mask the RTAI kernel to use the
> isolated cpu? Or are there any "taskset" statements that need to be changed
> to properly utilize the isolated cpu?
> 
> I know just enough about real time OSes to be really dangerous!
> 
> Any help is always appreciated!
> 
> --J. Ray Mitchell Jr.
> jrmitche...@gmail.com
> (818)324-7573

If there are more than one core one serve the interrupts and the second is used 
for real time scheduling?

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Re: [Emc-users] using tool table offsets with G41 or 42

[Jon Elson]

On 10/16/2015 11:21 PM, Gene Heskett wrote:
> Greetings;
>
> 1: I am trying to get past the infamous, permanently programmed into LCNC
> error of:
>
> "length of cutter compensation entry move is less than the tools radius"
>
> The tool diameter in the tool_table is 0.030 just for test.  and the tool
> table entry contains no TLO, nor am I using an G41 D0, plain old G41.
> The code has a G40 in its preamble.

Here's where this is discussed in the documentation, see 
section 3 at the bottom of the page :

http://www.linuxcnc.org/docs/html/gcode/tool-compensation.html

There's also this :
http://www.gnipsel.com/linuxcnc/g-code/mill04.html

There used to be a page on this that had something from Ray Henry and an 
example by me, but I can't find it, it may have been edited out over the years.


> And the next x or y move after invoking a G41 is several inches away.
> There is also an intervening z move of a few inches, so it has literally
> feet of motion to bring in the compensation.  The first move after its
> invocation is I believe, a z move that could be as little as 50 thou
> depending on where the machine is sitting.  OTOH it could be more than
> 7" in Z, and 18 in x, or 3" in y while its still up in the air above the
> workpiece.
What you need is a slightly convex edge for the lead-in.  In 
other words, an OUTSIDE corner.
If there is an inside corner, no matter how shallow, it will 
cause a gouge message.  Now, the specific message seems to 
be confusing.  Z moves don't count for G41/G42, ONLY X-Y 
axis moves, because the radius of the cutter only exists in 
the X-Y plane.
> 2: In the manual, it speaks of left and right compensation, and I am
> having a hard time wrapping my head around the corelation of that
> language to "climb" or "dig" cutting.
If you were walking behind the cutter, is the cutter to the 
left or right of the material?  That's what cutter to left 
of material means.  So, I guess with standard cutters that 
run CW looking down on the work, and climb-cutting, then the 
cutter is left of the work.

Jon


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Re: [Emc-users] using tool table offsets with G41 or 42

[Jason Burton]

Hi Gene,

Think of cutter comp like American and British roads.

G41 is Brit. G42 is Yank.

Climb vs conventional depend on whether the road goes around the outside of
the stadium or around the inside.

Best,
Jason
On Oct 16, 2015 11:25 PM, "Gene Heskett"  wrote:

> Greetings;
>
> 1: I am trying to get past the infamous, permanently programmed into LCNC
> error of:
>
> "length of cutter compensation entry move is less than the tools radius"
>
> The tool diameter in the tool_table is 0.030 just for test.  and the tool
> table entry contains no TLO, nor am I using an G41 D0, plain old G41.
> The code has a G40 in its preamble.
>
> And the next x or y move after invoking a G41 is several inches away.
> There is also an intervening z move of a few inches, so it has literally
> feet of motion to bring in the compensation.  The first move after its
> invocation is I believe, a z move that could be as little as 50 thou
> depending on where the machine is sitting.  OTOH it could be more than
> 7" in Z, and 18 in x, or 3" in y while its still up in the air above the
> workpiece.
>
> Despite quite a few attempts over the years, I have never actually made
> it work.  Until today, but gouging problems despite my coding in plenty
> of room for a tool direction reversal.
>
> What am I missing?
>
> 2: In the manual, it speaks of left and right compensation, and I am
> having a hard time wrapping my head around the corelation of that
> language to "climb" or "dig" cutting.  As all this wood carving is being
> done in climb direction to reduce any dig splintering, it seems like I'd
> have to issue a few of the opposite flaver to assure it doesn't plow up
> the end of the board on the retrace back to the left edge. That, or pick
> up the tool for move clearance.  In which case having blending on could
> damage the workpiece.  That too is do-able but Y is faster without the
> tool comp move.
>
> And it appears from its behaviour that a G41 is a "climb" cut, while G42
> I assume is a "dig" cut.
>
> So I think have that sorted. But the gouging exits are a problem yet
> because it will not draw the backplot to show one where the gouge is.
> I don't have it when doing the end of a "side" board, but it sticks up
> its ugly red x hand if I turn side off to do the ends of a end board in
> this box.  If side is on, I do see 2 tiny red x's at the left edge of
> the backplot, both would occur well off the workpiece at it approaches
> the starting location of a pass.  Beyond that, I am in the dark.
>
> So my final question is:
>
> Is there a detective method that will show me where it is?
>
> Since LinuxCNC doesn't (yet) follow subroutines, blaming everything wrong
> on the call to the subroutine, do I have to copy/paste a copy of my 2
> corner routines so the first iteration of each is inline before it will
> tell me where the problem is? Since it was the left corner that was the
> majority of the trouble, I did copy/paste it as inline, twice, and was
> able to fix enough of it until I hit the right corner code, which I'll
> have to do the same to, but its getting sleepy out, and way past beer
> thirty so I am still my one a day behind.
>
> If tool compensation can really be made to work, it would simplicate at
> least 100 LOC out of this program.  Already has, but I'm now adding more
> stuff to make sure there is turn around room at the ends of the cut
> sweeps.  But tomorrow is another day.  I am pleased with todays
> progress.
>
> Comments?
>
> Thanks.
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page 
>
>
> --
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>
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Re: [Emc-users] Debian install from live image

[jrmitchellj .]

On modern linux kernels, and especially on an RTOS kernel, there are ways
to assign tasks to specific cores of a multicore system.
Affinity is one way that I have used on a project that had data coming in
from DAQ cards at a rapid rate, and I don't want to loose any samples.  So
I assigned the data collection to one core, then the processing & packaging
is done on the other core.

Most of the real time stuff that is currently in kernels is from the
RT-Preempt RTOS project.  A news article I saw recently states that more of
it will be brought into the mainline kernel in the near future.

It really seems weird to me  that if you isolate a core from the standard
kernel scheduler, that you are not scheduling task on it with the RTAI
kernel patch.

Ray M.

--J. Ray Mitchell Jr.
jrmitche...@gmail.com
(818)324-7573


The dogmas of the quiet past, are inadequate to the stormy present. The
occasion is piled high with difficulty, and we must rise with the occasion.
As our case is new, so we must think anew and act anew. We must disenthrall
ourselves, and then we shall save our country.*Abraham Lincoln
*, *Annual message
to Congress, December 1, 1862*
*16th president of US (1809 - 1865)*

On Sat, Oct 17, 2015 at 1:31 PM, Karlsson & Wang <
nicklas.karls...@karlssonwang.se> wrote:

> > Since Lucid has reached end of support I decided to back up my config and
> > install from the 2.7 live CD.
> > Having done that, installed all of the updates, and adjustments to my
> > config files,I ran the latency test.
> > Overall the latency numbers are 30% higher than the Lucid install, but
> > still in an acceptable range.
> > Setting "isolcpus=1" in grub has no effect on latency, as it did in the
> > Lucid install.
> > Now when I run LinuxCNC, I am getting RTAPI error on startup
> > intermittently.  When it does start without the error, the error shows up
> > within 5 to 10 minutes.
> >
> > Attached are the dmesg, and the -v startup for linuxcnc.
> >
> > Watching the system monitor while LinuxCNC is running for spikes in the
> CPU
> > utilization shows nothing unusual, other than the second cpu is not being
> > utilized at all.
> > I have always thought that isolating a cpu from the linux scheduler was
> to
> > allow the RTAI kernel to use it without the system interrupts interfering
> > with it.
> >
> > Is there some setup that i missed to mask the RTAI kernel to use the
> > isolated cpu? Or are there any "taskset" statements that need to be
> changed
> > to properly utilize the isolated cpu?
> >
> > I know just enough about real time OSes to be really dangerous!
> >
> > Any help is always appreciated!
> >
> > --J. Ray Mitchell Jr.
> > jrmitche...@gmail.com
> > (818)324-7573
>
> If there are more than one core one serve the interrupts and the second is
> used for real time scheduling?
>
>
> --
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>
--
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Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Jerry Scharf]

Sorry, that's cloud based. bad fingers!

On Sat, Oct 17, 2015 at 2:09 PM, Jerry Scharf  wrote:

> Dave,
>
> It might be possible to get a could based VPN service that supports the
> phones and other devices in question. The idea is that this are some known
> end points that all the devices connect to and establish an ad hoc VPN. I
> have not used any of these services and have absolutely no idea of the
> bandwidth to expect, but it would be far and away the easiest way to get
> devices that are really only end stations to connect to each other.
>
> jerry
>
>
> On Sat, Oct 17, 2015 at 1:20 PM, Dave Cole 
> wrote:
>
>>
>> I need a fast connection as we want to be able to do remote video and
>> also do debugging of the PLC control remotely via the comm link with the
>> help of a remote video camera.
>>
>> One problem that I am having is that Sprint wants to control what device
>> I use.   They literally offer one device at a time and the last one was
>> a 4G router that only supports VPN Passthrough even though they were
>> "sure" that it would support a site to site VPN connection.
>> I don't want to have two remote routers or boxes in the cabinet. Cost is
>> not a problem.   The Netgear 6100D I have used is $200 and that is
>> considered very cheap.  $600 would not be out of line if it can do what
>> we want and has a fairly wide temperature range. This device will be in
>> a box mounted outside.
>>
>> I can't use OpenVPN because there is no PC or server at the remote site.
>>
>> A GSM solution with AT would be ideal if they have sufficient coverage
>> since swapping out the 4G router would only require swapping the SIM
>> card instead of going through the ridiculous device activation routine
>> that Sprint and Verizon requires.
>>
>> I think that AT will be my next call.  I've pretty much run out of
>> patience with Sprint.
>>
>> Thanks,
>>
>> Dave
>>
>> On 10/16/2015 11:50 PM, Tom Easterday wrote:
>> > You didn't say what kind of throughput you need nor what your budget is
>> but one option is something like a Cisco RV320 on each end with 4G modems
>> attached.  You can see a review of the router here:
>> >
>> >
>> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
>> >
>> > There is also a you tube video on configuring the modem:
>> http://youtu.be/RXerRGEZFEI
>> >
>> > I recommended the RV180 for a friend's business that needed sts vpn
>> (over public internet, not over cellular) and it worked well for him and he
>> said it was easy for them to set up and use.
>> >
>> > There are of course other more diy setups using cell phones with
>> tethering and using OpenVPN or such on your own processors.  But you have
>> to be careful as carriers may try to limit or block always on use of
>> tethering and data plans may not fit your requirements.  Or you get some
>> cellular wifi hotspots and use them with OpenVPN.
>> > See:
>> >
>> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
>> >
>> >> On Oct 16, 2015, at 3:08 PM, Dave Cole 
>> wrote:
>> >>
>> >> Key points - need help with a data cell phone connection to remote
>> >> equipment via a VPN.
>> >>
>> >> Guys,
>> >>
>> >> I'm working with some remotely located equipment and I need to
>> establish
>> >> a comm link to it.
>> >>
>> >> We have decided to go with a cell phone data connection.   We want to
>> be
>> >> able to remotely access this equipment via a "site to site" VPN.
>> >> This is different than a client/server VPN connection that people
>> >> oftentimes use to connect back to corporate headquarters for email,
>> file
>> >> sharing etc.
>> >>
>> >> The remote equipment is ethernet based but it is not a generic PC, it's
>> >> a PLC.   So I need the remote cell phone modem/router to do all of the
>> >> work of encrypting the data, establishing the VPN tunnel, etc.  It
>> needs
>> >> to be a VPN Router with a 4G modem built in that supports a "site to
>> >> site connection" and not just be a Router with VPN passthrough.
>> >>
>> >> Sprint sells a Netgear 6100D 4G router that is suppose to do this. I
>> >> bought it and then Sprint told me that they will not support remote
>> >> access on this device!
>> >>
>> >> Does anyone have any experience in doing this?   I've been talking to
>> >> "experts" at Sprint and they want me to use a Sprint approved 4G
>> >> cell/router that only supports VPN pass through after I have told them
>> >> over and over that I need to do a site to site VPN with their 4G router
>> >> acting as a VPN endpoint.
>> >>
>> >> Sadly, they don't understand the requirements.
>> >>
>> >> Ironically, TP Link sells a "wired" VPN router for about $60 that does
>> >> what I need, so I could "stack" routers to do what I need, but I really
>> >> don't want to have two routers in the remote control box.
>> >>
>> >> There are some really 

Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Jerry Scharf]

Dave,

It might be possible to get a could based VPN service that supports the
phones and other devices in question. The idea is that this are some known
end points that all the devices connect to and establish an ad hoc VPN. I
have not used any of these services and have absolutely no idea of the
bandwidth to expect, but it would be far and away the easiest way to get
devices that are really only end stations to connect to each other.

jerry


On Sat, Oct 17, 2015 at 1:20 PM, Dave Cole  wrote:

>
> I need a fast connection as we want to be able to do remote video and
> also do debugging of the PLC control remotely via the comm link with the
> help of a remote video camera.
>
> One problem that I am having is that Sprint wants to control what device
> I use.   They literally offer one device at a time and the last one was
> a 4G router that only supports VPN Passthrough even though they were
> "sure" that it would support a site to site VPN connection.
> I don't want to have two remote routers or boxes in the cabinet. Cost is
> not a problem.   The Netgear 6100D I have used is $200 and that is
> considered very cheap.  $600 would not be out of line if it can do what
> we want and has a fairly wide temperature range. This device will be in
> a box mounted outside.
>
> I can't use OpenVPN because there is no PC or server at the remote site.
>
> A GSM solution with AT would be ideal if they have sufficient coverage
> since swapping out the 4G router would only require swapping the SIM
> card instead of going through the ridiculous device activation routine
> that Sprint and Verizon requires.
>
> I think that AT will be my next call.  I've pretty much run out of
> patience with Sprint.
>
> Thanks,
>
> Dave
>
> On 10/16/2015 11:50 PM, Tom Easterday wrote:
> > You didn't say what kind of throughput you need nor what your budget is
> but one option is something like a Cisco RV320 on each end with 4G modems
> attached.  You can see a review of the router here:
> >
> >
> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
> >
> > There is also a you tube video on configuring the modem:
> http://youtu.be/RXerRGEZFEI
> >
> > I recommended the RV180 for a friend's business that needed sts vpn
> (over public internet, not over cellular) and it worked well for him and he
> said it was easy for them to set up and use.
> >
> > There are of course other more diy setups using cell phones with
> tethering and using OpenVPN or such on your own processors.  But you have
> to be careful as carriers may try to limit or block always on use of
> tethering and data plans may not fit your requirements.  Or you get some
> cellular wifi hotspots and use them with OpenVPN.
> > See:
> >
> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
> >
> >> On Oct 16, 2015, at 3:08 PM, Dave Cole  wrote:
> >>
> >> Key points - need help with a data cell phone connection to remote
> >> equipment via a VPN.
> >>
> >> Guys,
> >>
> >> I'm working with some remotely located equipment and I need to establish
> >> a comm link to it.
> >>
> >> We have decided to go with a cell phone data connection.   We want to be
> >> able to remotely access this equipment via a "site to site" VPN.
> >> This is different than a client/server VPN connection that people
> >> oftentimes use to connect back to corporate headquarters for email, file
> >> sharing etc.
> >>
> >> The remote equipment is ethernet based but it is not a generic PC, it's
> >> a PLC.   So I need the remote cell phone modem/router to do all of the
> >> work of encrypting the data, establishing the VPN tunnel, etc.  It needs
> >> to be a VPN Router with a 4G modem built in that supports a "site to
> >> site connection" and not just be a Router with VPN passthrough.
> >>
> >> Sprint sells a Netgear 6100D 4G router that is suppose to do this. I
> >> bought it and then Sprint told me that they will not support remote
> >> access on this device!
> >>
> >> Does anyone have any experience in doing this?   I've been talking to
> >> "experts" at Sprint and they want me to use a Sprint approved 4G
> >> cell/router that only supports VPN pass through after I have told them
> >> over and over that I need to do a site to site VPN with their 4G router
> >> acting as a VPN endpoint.
> >>
> >> Sadly, they don't understand the requirements.
> >>
> >> Ironically, TP Link sells a "wired" VPN router for about $60 that does
> >> what I need, so I could "stack" routers to do what I need, but I really
> >> don't want to have two routers in the remote control box.
> >>
> >> There are some really brilliant people on this list so I am hoping that
> >> someone can give me some advice/direction etc.
> >>
> >> Thank You!
> >>
> >> Dave
> >>
> >> ---
> >> This email has been checked for viruses by Avast antivirus software.
> >> 

[Emc-users] 2.7.0, new trajectory planner, lost it's perfect pitch

[Tom Easterday]

I’m just sayin’...

New:
https://youtu.be/JKNieuI6Hmo

Old:
https://youtu.be/S0re79zEX5A

:-)
-Tom

ps: Here is You Are My Sunshine.  I don’t have it playing on the 2.6 but 
definitely sounded better before:  https://youtu.be/e1wu2cMpmMY 

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Re: [Emc-users] Debian install from live image

[jrmitchellj .]

By the way, I just checked from a backup of my Lucid configuration, and it
is not using the second core for anything as well.  It just has better
latency to begin with.

Ray

--J. Ray Mitchell Jr.
jrmitche...@gmail.com
(818)324-7573


The dogmas of the quiet past, are inadequate to the stormy present. The
occasion is piled high with difficulty, and we must rise with the occasion.
As our case is new, so we must think anew and act anew. We must disenthrall
ourselves, and then we shall save our country.*Abraham Lincoln
*, *Annual message
to Congress, December 1, 1862*
*16th president of US (1809 - 1865)*

On Sat, Oct 17, 2015 at 2:10 PM, jrmitchellj . 
wrote:

> On modern linux kernels, and especially on an RTOS kernel, there are ways
> to assign tasks to specific cores of a multicore system.
> Affinity is one way that I have used on a project that had data coming in
> from DAQ cards at a rapid rate, and I don't want to loose any samples.  So
> I assigned the data collection to one core, then the processing & packaging
> is done on the other core.
>
> Most of the real time stuff that is currently in kernels is from the
> RT-Preempt RTOS project.  A news article I saw recently states that more of
> it will be brought into the mainline kernel in the near future.
>
> It really seems weird to me  that if you isolate a core from the standard
> kernel scheduler, that you are not scheduling task on it with the RTAI
> kernel patch.
>
> Ray M.
>
> --J. Ray Mitchell Jr.
> jrmitche...@gmail.com
> (818)324-7573
>
>
> The dogmas of the quiet past, are inadequate to the stormy present. The
> occasion is piled high with difficulty, and we must rise with the occasion.
> As our case is new, so we must think anew and act anew. We must disenthrall
> ourselves, and then we shall save our country.*Abraham Lincoln
> *, *Annual message
> to Congress, December 1, 1862*
> *16th president of US (1809 - 1865)*
>
> On Sat, Oct 17, 2015 at 1:31 PM, Karlsson & Wang <
> nicklas.karls...@karlssonwang.se> wrote:
>
>> > Since Lucid has reached end of support I decided to back up my config
>> and
>> > install from the 2.7 live CD.
>> > Having done that, installed all of the updates, and adjustments to my
>> > config files,I ran the latency test.
>> > Overall the latency numbers are 30% higher than the Lucid install, but
>> > still in an acceptable range.
>> > Setting "isolcpus=1" in grub has no effect on latency, as it did in the
>> > Lucid install.
>> > Now when I run LinuxCNC, I am getting RTAPI error on startup
>> > intermittently.  When it does start without the error, the error shows
>> up
>> > within 5 to 10 minutes.
>> >
>> > Attached are the dmesg, and the -v startup for linuxcnc.
>> >
>> > Watching the system monitor while LinuxCNC is running for spikes in the
>> CPU
>> > utilization shows nothing unusual, other than the second cpu is not
>> being
>> > utilized at all.
>> > I have always thought that isolating a cpu from the linux scheduler was
>> to
>> > allow the RTAI kernel to use it without the system interrupts
>> interfering
>> > with it.
>> >
>> > Is there some setup that i missed to mask the RTAI kernel to use the
>> > isolated cpu? Or are there any "taskset" statements that need to be
>> changed
>> > to properly utilize the isolated cpu?
>> >
>> > I know just enough about real time OSes to be really dangerous!
>> >
>> > Any help is always appreciated!
>> >
>> > --J. Ray Mitchell Jr.
>> > jrmitche...@gmail.com
>> > (818)324-7573
>>
>> If there are more than one core one serve the interrupts and the second
>> is used for real time scheduling?
>>
>>
>> --
>> ___
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>
>
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Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Dave Cole]

That could be a work around for uncooperative cell phone companies, but 
it would make things much more complex.
I didn't realize that Google has a VPN cloud solution.

Thanks,  Dave

On 10/17/2015 5:09 PM, Jerry Scharf wrote:
> Sorry, that's cloud based. bad fingers!
>
> On Sat, Oct 17, 2015 at 2:09 PM, Jerry Scharf  wrote:
>
>> Dave,
>>
>> It might be possible to get a could based VPN service that supports the
>> phones and other devices in question. The idea is that this are some known
>> end points that all the devices connect to and establish an ad hoc VPN. I
>> have not used any of these services and have absolutely no idea of the
>> bandwidth to expect, but it would be far and away the easiest way to get
>> devices that are really only end stations to connect to each other.
>>
>> jerry
>>
>>
>> On Sat, Oct 17, 2015 at 1:20 PM, Dave Cole 
>> wrote:
>>
>>> I need a fast connection as we want to be able to do remote video and
>>> also do debugging of the PLC control remotely via the comm link with the
>>> help of a remote video camera.
>>>
>>> One problem that I am having is that Sprint wants to control what device
>>> I use.   They literally offer one device at a time and the last one was
>>> a 4G router that only supports VPN Passthrough even though they were
>>> "sure" that it would support a site to site VPN connection.
>>> I don't want to have two remote routers or boxes in the cabinet. Cost is
>>> not a problem.   The Netgear 6100D I have used is $200 and that is
>>> considered very cheap.  $600 would not be out of line if it can do what
>>> we want and has a fairly wide temperature range. This device will be in
>>> a box mounted outside.
>>>
>>> I can't use OpenVPN because there is no PC or server at the remote site.
>>>
>>> A GSM solution with AT would be ideal if they have sufficient coverage
>>> since swapping out the 4G router would only require swapping the SIM
>>> card instead of going through the ridiculous device activation routine
>>> that Sprint and Verizon requires.
>>>
>>> I think that AT will be my next call.  I've pretty much run out of
>>> patience with Sprint.
>>>
>>> Thanks,
>>>
>>> Dave
>>>
>>> On 10/16/2015 11:50 PM, Tom Easterday wrote:
 You didn't say what kind of throughput you need nor what your budget is
>>> but one option is something like a Cisco RV320 on each end with 4G modems
>>> attached.  You can see a review of the router here:

>>> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
 There is also a you tube video on configuring the modem:
>>> http://youtu.be/RXerRGEZFEI
 I recommended the RV180 for a friend's business that needed sts vpn
>>> (over public internet, not over cellular) and it worked well for him and he
>>> said it was easy for them to set up and use.
 There are of course other more diy setups using cell phones with
>>> tethering and using OpenVPN or such on your own processors.  But you have
>>> to be careful as carriers may try to limit or block always on use of
>>> tethering and data plans may not fit your requirements.  Or you get some
>>> cellular wifi hotspots and use them with OpenVPN.
 See:

>>> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
> On Oct 16, 2015, at 3:08 PM, Dave Cole 
>>> wrote:
> Key points - need help with a data cell phone connection to remote
> equipment via a VPN.
>
> Guys,
>
> I'm working with some remotely located equipment and I need to
>>> establish
> a comm link to it.
>
> We have decided to go with a cell phone data connection.   We want to
>>> be
> able to remotely access this equipment via a "site to site" VPN.
> This is different than a client/server VPN connection that people
> oftentimes use to connect back to corporate headquarters for email,
>>> file
> sharing etc.
>
> The remote equipment is ethernet based but it is not a generic PC, it's
> a PLC.   So I need the remote cell phone modem/router to do all of the
> work of encrypting the data, establishing the VPN tunnel, etc.  It
>>> needs
> to be a VPN Router with a 4G modem built in that supports a "site to
> site connection" and not just be a Router with VPN passthrough.
>
> Sprint sells a Netgear 6100D 4G router that is suppose to do this. I
> bought it and then Sprint told me that they will not support remote
> access on this device!
>
> Does anyone have any experience in doing this?   I've been talking to
> "experts" at Sprint and they want me to use a Sprint approved 4G
> cell/router that only supports VPN pass through after I have told them
> over and over that I need to do a site to site VPN with their 4G router
> acting as a VPN endpoint.
>
> Sadly, they don't understand the requirements.
>

Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Bruce Layne]

I don't know if this will help, but I recently started to take advantage 
of the cellular data plan that I'd been buying from T-Mobile for well 
over a year.  The local monopoly cable company, Time Warner, was 
terrible.  Like all monopolies, a bad product and worse customer 
service.  I'd call for their semi-weekly outage (I'm in town, not some 
rural area) and I'd get the run around.  After 60 such outages, yes, I 
know to turn my computer off and then back on again!  Once, a young 
woman told me, "Sorry, I don't know much about computer stuff."  To 
which I replied, "Is that why you're answering the technical support 
line for a high speed internet service provider?"  After the cable 
company monopoly, I tried the internet service from the local telephone 
company monopoly.  Better is a relative term.  Not as bad as Time 
Warner, I'd rate them a lighter shade of awful.  The last straw was back 
in June when they told me that the cheap DSL modems they supply that are 
only good for a year or less are no longer included in the high priced 
service and they were going to charge me $7 more per month on my 
"guaranteed never to increase in price" locked-in-for-life plan.

Fortunately, I got in early on the T-Mobile data plan that's truly 
unlimited on the mobile devices.  The 4G LTE mobile data is way faster 
than Time Warner, way WAY faster than DSL from Windstream, and FAR more 
reliable than either.  If a cell tower is hit by lightening or has any 
other problem, the next closest cell tower takes over seamlessly.  There 
are apparently no single point failure modes and so far they've been 
100% reliable.

Since the switch, I have used my large screen phone for videos, but I 
actually prefer that.  My wife and I have unlimited data to the phones 
and 7GB a month on each of the phones for tethering to our computers for 
email, web browsing, occasional YouTubage, etc.  In addition, I bought a 
mobile hotspot for around $50 and I think I'm paying $10 a month for 5GB 
of mobile data on the hot spot.  If all you need is occasional high 
speed data (fast, but not very often), then a mobile hot spot may be 
your best solution.  Tethering on the phones shuts down and needs to be 
restarted, but I leave the hot spot connected via WiFi to my Linux 
notebook PC all the time, and it's also connected to a WiFi adapter to 
put my big laser printer on the hot spot's WiFi network.

Caveats:

T-Mobile apparently no longer offers the unlimited data plan for 
phones.  That's a great deal.  The hot spot data plans are much more 
expensive on a per GB basis, but not a deal breaker if you need 
occasional high bandwidth internet service.

If your machine is buried deep in a metal building, or you're running a 
machine shop in a pole barn 20 miles from the nearest cell tower, you 
may not get cellular data.

Pros:

Cell phone companies may be a bit weaselly but they are competing for 
your business so you aren't dealing with the customer hostile jerks at 
the cable company or the phone company.

4G LTE data is fast and reliable.

Cellular data tethering is awesome.  I love having the internet in my 
pocket.  I no longer need to run ethernet cable to my LinuxCNC machines 
in the shop.  I carry a WiFi USB dongle in my pocket (they finally make 
a good one that's Linux plug-n-play), and I use my cell phone to connect 
the CNC machine to the internet only when I need to download an 
update... or watch YouTube videos while machining.  :-)



I don't know if any of that helps with your problem, but I hope so. I do 
know that I've been very happy to be free of Time Warner and 
Windstream.  I'd tell you what I really think of them, but this is a 
family friendly email list.  I now have faster and more reliable 
service, no hassles, and I'm saving about $50 per month.





On 10/17/2015 04:20 PM, Dave Cole wrote:
> I need a fast connection as we want to be able to do remote video and
> also do debugging of the PLC control remotely via the comm link with the
> help of a remote video camera.
>
> One problem that I am having is that Sprint wants to control what device
> I use.   They literally offer one device at a time and the last one was
> a 4G router that only supports VPN Passthrough even though they were
> "sure" that it would support a site to site VPN connection.
> I don't want to have two remote routers or boxes in the cabinet. Cost is
> not a problem.   The Netgear 6100D I have used is $200 and that is
> considered very cheap.  $600 would not be out of line if it can do what
> we want and has a fairly wide temperature range. This device will be in
> a box mounted outside.
>
> I can't use OpenVPN because there is no PC or server at the remote site.
>
> A GSM solution with AT would be ideal if they have sufficient coverage
> since swapping out the 4G router would only require swapping the SIM
> card instead of going through the ridiculous device activation routine
> that Sprint and Verizon requires.
>
> I think that AT will be my 

Re: [Emc-users] 2.7.0, new trajectory planner, lost it's perfect pitch

[Jerry Scharf]

I'm hearing you. :)

Sounds like the new planner has a lower acceleration rates so you don't get
the good attack on pitch that sounds more musical. It's like using a slow
slide whistle or trombone.

Maybe increasing the acceleration rates might fix this critical issue.

jerry

On Sat, Oct 17, 2015 at 2:11 PM, Tom Easterday  wrote:

> I’m just sayin’...
>
> New:
> https://youtu.be/JKNieuI6Hmo
>
> Old:
> https://youtu.be/S0re79zEX5A
>
> :-)
> -Tom
>
> ps: Here is You Are My Sunshine.  I don’t have it playing on the 2.6 but
> definitely sounded better before:  https://youtu.be/e1wu2cMpmMY <
> https://www.youtube.com/upload>
>
> --
> ___
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>



-- 
Jerry Scharf
FINsix IT
650.285.6361 w
650.279.7017 m
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Re: [Emc-users] [Emc-developers] Off topic question - Need help with remote cell phone data connection via site to site VPN

[Jerry Scharf]

Dave,

I am guessing it makes things simpler. Wherever you go, whatever the
device, no matter how many devices (depending on the service plan, of
course,) you just connect to the cloud service and go. Just remember that
the VPN service sees the unencrypted data and Google analyzes everything.
Not a problem in your case, but something I always keep in mind.

jerry


On Sat, Oct 17, 2015 at 2:42 PM, Dave Cole  wrote:

> That could be a work around for uncooperative cell phone companies, but
> it would make things much more complex.
> I didn't realize that Google has a VPN cloud solution.
>
> Thanks,  Dave
>
> On 10/17/2015 5:09 PM, Jerry Scharf wrote:
> > Sorry, that's cloud based. bad fingers!
> >
> > On Sat, Oct 17, 2015 at 2:09 PM, Jerry Scharf 
> wrote:
> >
> >> Dave,
> >>
> >> It might be possible to get a could based VPN service that supports the
> >> phones and other devices in question. The idea is that this are some
> known
> >> end points that all the devices connect to and establish an ad hoc VPN.
> I
> >> have not used any of these services and have absolutely no idea of the
> >> bandwidth to expect, but it would be far and away the easiest way to get
> >> devices that are really only end stations to connect to each other.
> >>
> >> jerry
> >>
> >>
> >> On Sat, Oct 17, 2015 at 1:20 PM, Dave Cole 
> >> wrote:
> >>
> >>> I need a fast connection as we want to be able to do remote video and
> >>> also do debugging of the PLC control remotely via the comm link with
> the
> >>> help of a remote video camera.
> >>>
> >>> One problem that I am having is that Sprint wants to control what
> device
> >>> I use.   They literally offer one device at a time and the last one was
> >>> a 4G router that only supports VPN Passthrough even though they were
> >>> "sure" that it would support a site to site VPN connection.
> >>> I don't want to have two remote routers or boxes in the cabinet. Cost
> is
> >>> not a problem.   The Netgear 6100D I have used is $200 and that is
> >>> considered very cheap.  $600 would not be out of line if it can do what
> >>> we want and has a fairly wide temperature range. This device will be in
> >>> a box mounted outside.
> >>>
> >>> I can't use OpenVPN because there is no PC or server at the remote
> site.
> >>>
> >>> A GSM solution with AT would be ideal if they have sufficient
> coverage
> >>> since swapping out the 4G router would only require swapping the SIM
> >>> card instead of going through the ridiculous device activation routine
> >>> that Sprint and Verizon requires.
> >>>
> >>> I think that AT will be my next call.  I've pretty much run out of
> >>> patience with Sprint.
> >>>
> >>> Thanks,
> >>>
> >>> Dave
> >>>
> >>> On 10/16/2015 11:50 PM, Tom Easterday wrote:
>  You didn't say what kind of throughput you need nor what your budget
> is
> >>> but one option is something like a Cisco RV320 on each end with 4G
> modems
> >>> attached.  You can see a review of the router here:
> 
> >>>
> http://www.smallnetbuilder.com/lanwan/lanwan-reviews/32317-cisco-rv320-dual-gigabit-wan-vpn-router-reviewed?limitstart=0
>  There is also a you tube video on configuring the modem:
> >>> http://youtu.be/RXerRGEZFEI
>  I recommended the RV180 for a friend's business that needed sts vpn
> >>> (over public internet, not over cellular) and it worked well for him
> and he
> >>> said it was easy for them to set up and use.
>  There are of course other more diy setups using cell phones with
> >>> tethering and using OpenVPN or such on your own processors.  But you
> have
> >>> to be careful as carriers may try to limit or block always on use of
> >>> tethering and data plans may not fit your requirements.  Or you get
> some
> >>> cellular wifi hotspots and use them with OpenVPN.
>  See:
> 
> >>>
> http://www.smallnetbuilder.com/other/security/security-howto/30353-how-to-set-up-a-site-to-site-vpn-with-openvpn
> > On Oct 16, 2015, at 3:08 PM, Dave Cole 
> >>> wrote:
> > Key points - need help with a data cell phone connection to remote
> > equipment via a VPN.
> >
> > Guys,
> >
> > I'm working with some remotely located equipment and I need to
> >>> establish
> > a comm link to it.
> >
> > We have decided to go with a cell phone data connection.   We want to
> >>> be
> > able to remotely access this equipment via a "site to site" VPN.
> > This is different than a client/server VPN connection that people
> > oftentimes use to connect back to corporate headquarters for email,
> >>> file
> > sharing etc.
> >
> > The remote equipment is ethernet based but it is not a generic PC,
> it's
> > a PLC.   So I need the remote cell phone modem/router to do all of
> the
> > work of encrypting the data, establishing the VPN tunnel, etc.  It
> >>> needs
> > to be a VPN Router with a 4G modem built in that supports