Re: local network with twisted rj45

2007-02-03 Thread Andy Smith
On Sat, Feb 03, 2007 at 10:38:09AM -0800, christop wrote:
> On 18 jan, 05:20, Evan <[EMAIL PROTECTED]> wrote:
> > I would first change the IP address so that one workstation does not
> > have a broadcast address(.0) Try a simple scheme like .1 and .2.
> >
> 
> Sorry not having answered before.
> What you said is the point.
> You can't use an ip address ending by .0 for yourself.

Well, you can, just not when it is the broadcast address :)  Also
Windows really doesn't like it.  But in a /23 like 192.168.0.0 ->
192.168.1.255, 192.168.0.255 and 192.168.1.0 should both be
perfectly usable host addresses.

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Re: local network with twisted rj45

2007-02-03 Thread christop
On 18 jan, 05:20, Evan <[EMAIL PROTECTED]> wrote:
> I would first change the IP address so that one workstation does not
> have a broadcast address(.0) Try a simple scheme like .1 and .2.
>

Sorry not having answered before.
What you said is the point.
You can't use an ip address ending by .0 for yourself.

And it did work fine then.

Thank you for all.

Ch.



> On 17 Jan 2007 19:40:48 -0800, christop <[EMAIL PROTECTED]> wrote:
>
>
>
> > Michael D. Norwick a écrit :
> > > christop wrote:
> > > > I would need information on how to configure
> > > > a local network between two computers
> > > > with only a twested rj45.
>
> > > > I have two ethernet cards on each of the two computers
> > > > I aim to put together.
>
> > > < snip >
>
> > >http://www.aboutdebian.com/network.htm
>
> > I gave a glance, see it later,
> > thanks.
>
> > Ch.
>
> > > michael
>
> > > --
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Re: local network with twisted rj45

2007-01-18 Thread Andrew Sackville-West
On Thu, Jan 18, 2007 at 08:46:41AM +0100, Jhair Tocancipa Triana wrote:
> Russell L Harris writes:
> 
> > The nice thing about a switch or hub is that (1) it allows you to
> > use common straight cables and
> 
> Crossover cables can be easily purchased from any (good) electronics
> shop.
> 
> > (2) it has an LED which gives you a visual indication of the amount
> > of traffic flowing.
> 
> I cannot see how this can be an advantage over using a crossover cable
> in the context the OP is trying to use it.

because when OP decides to add another box to his growing net, then
he'll either have an extra/useless cable or (as I've done on one run
in my house) get *another* crossover cable to patch it together into
the switch when the time comes... :)

A


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Re: local network with twisted rj45

2007-01-18 Thread Andrei Popescu
On Thu, 18 Jan 2007 22:56:58 +0200
"Nick Demou" <[EMAIL PROTECTED]> wrote:

> networking two pcs with a twisted (crosslink ) cable _couldn't_ get
> any easier! You just plug the cable to the PCs. That's it.
> Being so simple means it's more stable also (less parts less things to
> go wrong). There are only two drawback with them: they are useless
> with anything more than 2 pcs and they look exactly like normal ones
> (so you got to be extra cautious when picking).

Lately I saw more and more NICs and switches with Auto MDIX, sometimes
also called auto-crossover. As the name implys, with that hardware it
doesn't really matter what cables you use. I made it a habit to look
for those specifically, especially if there is no (or only minor) price
difference.

Regards,
Andrei
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(Albert Einstein)


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Re: local network with twisted rj45

2007-01-18 Thread Rob Sims
On Thu, Jan 18, 2007 at 04:36:28PM -0500, Evan wrote:
> As a standard I always purchase red crossover cables. For me, this
> eliminates the confusion.
 
Many 100 Base-T and most? all? 1000 Base-T support MDI/X; ordinary
cables will work to connect two network cards.

http://www.iol.unh.edu/services/testing/ge/training/#Auto-Crossover_White_Paper

I once bought some straight through cables that turned out to be
crossover, and didn't notice until the cables were used for a
non-ethernet application...
-- 
Rob


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Re: local network with twisted rj45

2007-01-18 Thread Evan

As a standard I always purchase red crossover cables. For me, this
eliminates the confusion.

On 1/18/07, Nick Demou <[EMAIL PROTECTED]> wrote:

17 Jan 2007 19:35:08 -0800, christop <[EMAIL PROTECTED]>:
> ...
> Yes, but nothing is going through the line for now, and I would like
> it to do something. Learning and understanding before
> only buying more (if possible).
>
> Would it be different if it was straight with a switch?
>
> I would first like to ping with the devices I do have now.
>
> But if it is actualy harder to do it with twisted paires,

networking two pcs with a twisted (crosslink ) cable _couldn't_ get
any easier! You just plug the cable to the PCs. That's it.
Being so simple means it's more stable also (less parts less things to
go wrong). There are only two drawback with them: they are useless
with anything more than 2 pcs and they look exactly like normal ones
(so you got to be extra cautious when picking).

Why then do people that do networking complain about them? Well the
only reason is that when you use a lot of cables the fact that
crosslink ones look just like normal ones means that sooner or later
you will use the wrong type and you will spend some time until you
notice the silly mistake. It's at this point that most people will
through away the crosslink ones to save theirselves the trouble next
time (and do the association crosslink = no no).


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re: local network with twisted rj45

2007-01-18 Thread Nick Demou

17 Jan 2007 19:35:08 -0800, christop <[EMAIL PROTECTED]>:

...
Yes, but nothing is going through the line for now, and I would like
it to do something. Learning and understanding before
only buying more (if possible).

Would it be different if it was straight with a switch?

I would first like to ping with the devices I do have now.

But if it is actualy harder to do it with twisted paires,


networking two pcs with a twisted (crosslink ) cable _couldn't_ get
any easier! You just plug the cable to the PCs. That's it.
Being so simple means it's more stable also (less parts less things to
go wrong). There are only two drawback with them: they are useless
with anything more than 2 pcs and they look exactly like normal ones
(so you got to be extra cautious when picking).

Why then do people that do networking complain about them? Well the
only reason is that when you use a lot of cables the fact that
crosslink ones look just like normal ones means that sooner or later
you will use the wrong type and you will spend some time until you
notice the silly mistake. It's at this point that most people will
through away the crosslink ones to save theirselves the trouble next
time (and do the association crosslink = no no).


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Re: local network with twisted rj45

2007-01-18 Thread Jhair Tocancipa Triana
Russell L Harris writes:

> The nice thing about a switch or hub is that (1) it allows you to
> use common straight cables and

Crossover cables can be easily purchased from any (good) electronics
shop.

> (2) it has an LED which gives you a visual indication of the amount
> of traffic flowing.

I cannot see how this can be an advantage over using a crossover cable
in the context the OP is trying to use it.

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Re: local network with twisted rj45

2007-01-17 Thread Evan

My mistake. .0 is the network address.

On 1/17/07, Douglas Allan Tutty <[EMAIL PROTECTED]> wrote:

I use a cross-over cable all the time between two computers.
Then again, I have the cable.  If you don't and you can't make one, then
believe it or not an ethernet switch is often cheaper than a cross-over
cable.

I have in /etc/network/interfaces:
computer 1:
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255

computer 2 is the same except for the address being 192.168.1.3

After you make the changes, on each computer:
ifdown eth0
ifup eth0

Also put both computers in both computer's /etc/hosts
127.0.0.1   localhost
192.168.1.1 computer1
192.168.1.3 computer2

You should then be able to ping back and forth.

Remember that 192.168.1.0 is the network itself.

Read the debian-reference, and the relavent HOWTOs

Good luck,

Doug.


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Re: local network with twisted rj45

2007-01-17 Thread Evan

I would first change the IP address so that one workstation does not
have a broadcast address(.0) Try a simple scheme like .1 and .2.

On 17 Jan 2007 19:40:48 -0800, christop <[EMAIL PROTECTED]> wrote:


Michael D. Norwick a écrit :
> christop wrote:
> > I would need information on how to configure
> > a local network between two computers
> > with only a twested rj45.
> >
> > I have two ethernet cards on each of the two computers
> > I aim to put together.
> >
> >
> >
> >
> >
>
> < snip >
>
> http://www.aboutdebian.com/network.htm
>
I gave a glance, see it later,
thanks.

Ch.

> michael
>
>
> --
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Re: local network with twisted rj45

2007-01-17 Thread Douglas Allan Tutty
I use a cross-over cable all the time between two computers.
Then again, I have the cable.  If you don't and you can't make one, then
believe it or not an ethernet switch is often cheaper than a cross-over
cable.

I have in /etc/network/interfaces:
computer 1:
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255

computer 2 is the same except for the address being 192.168.1.3

After you make the changes, on each computer:
ifdown eth0
ifup eth0

Also put both computers in both computer's /etc/hosts
127.0.0.1   localhost
192.168.1.1 computer1
192.168.1.3 computer2

You should then be able to ping back and forth.

Remember that 192.168.1.0 is the network itself.

Read the debian-reference, and the relavent HOWTOs

Good luck,

Doug.


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Re: local network with twisted rj45

2007-01-17 Thread christop

Michael D. Norwick a écrit :
> christop wrote:
> > I would need information on how to configure
> > a local network between two computers
> > with only a twested rj45.
> >
> > I have two ethernet cards on each of the two computers
> > I aim to put together.
> >
> >
> >
> >
> >
>
> < snip >
>
> http://www.aboutdebian.com/network.htm
>
I gave a glance, see it later,
thanks.

Ch.

> michael
>
>
> --
> To UNSUBSCRIBE, email to [EMAIL PROTECTED]
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Re: local network with twisted rj45

2007-01-17 Thread christop

Russell L. Harris a écrit :
> * Baron Christophe <[EMAIL PROTECTED]> [070117 20:56]:
> > I would need information on how to configure a local network between
> > two computers with only a twisted rj45.
>
> Why mess around with a special crossover cable?  Ethernet switches

Is it really more messy? I have no information about this.

> have become so inexpensive that hardly anyone purchases an ethernet
> hub, so you likely can find someone to give you a hub without charge.
> And an ethernet switch (which can handle more traffic than can a hub)
> can be purchased for US $5 to $10.
>
> The nice thing about a switch or hub is that (1) it allows you to use
> common straight cables and (2) it has an LED which gives you a visual
> indication of the amount of traffic flowing.
>
> RLH
>

Yes, but nothing is going through the line for now, and I would like
it to do something. Learning and understanding before
only buying more (if possible).

Would it be different if it was straight with a switch?

I would first like to ping with the devices I do have now.

But if it is actualy harder to do it with twisted paires,
I will do as you say. Until then I'll just wait for
further information.

And documentation.

Ch.



Re: local network with twisted rj45

2007-01-17 Thread Michael D. Norwick
christop wrote:
> I would need information on how to configure
> a local network between two computers
> with only a twested rj45.
>
> I have two ethernet cards on each of the two computers
> I aim to put together.
>
>
>
>
>   

< snip >

http://www.aboutdebian.com/network.htm

michael


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Re: local network with twisted rj45

2007-01-17 Thread Russell L. Harris
* Baron Christophe <[EMAIL PROTECTED]> [070117 20:56]:
> I would need information on how to configure a local network between
> two computers with only a twisted rj45.

Why mess around with a special crossover cable?  Ethernet switches
have become so inexpensive that hardly anyone purchases an ethernet
hub, so you likely can find someone to give you a hub without charge.
And an ethernet switch (which can handle more traffic than can a hub)
can be purchased for US $5 to $10.

The nice thing about a switch or hub is that (1) it allows you to use
common straight cables and (2) it has an LED which gives you a visual
indication of the amount of traffic flowing.

RLH


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local network with twisted rj45

2007-01-17 Thread christop
I would need information on how to configure
a local network between two computers
with only a twested rj45.

I have two ethernet cards on each of the two computers
I aim to put together.

One of them is connected to a adsl via gateway.

I want the others to be configured for the two computers
to exchange files through ftp protocol.

I did like this in my /etc/network/interfaces file:
(only the part concerning the interfaces for this
local network. The others are set in dhcp)
#first computer
allow-hotplug eth0
iface eth0 inet static
address 192.168.10.0
netmask 255.255.255.0

auto eth0

#(2) second computer
allow-hotplug eth0
iface eth0 inet static
address 192.168.10.1
netmask 255.255.255.0

auto eth0

And then ifup -a.

If I could do a ping it would be a first step.

One the first computer it says:
~$ ping 192.168.10.1
PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data.
>From 192.168.10.0 icmp_seq=1 Destination Host Unreachable
>From 192.168.10.0 icmp_seq=2 Destination Host Unreachable

--- 192.168.10.1 ping statistics ---
8 packets transmitted, 0 received, +6 errors, 100% packet loss, time
7000ms
, pipe 3

And one the second it says:
~$ ping 192.168.10.0
Do you want to ping broadcast? Then -b

And with -b: 100% lost.

And from the first computer:
~$ ping 192.168.10.0
PING 192.168.10.0 (192.168.10.0) 56(84) bytes of data.
64 bytes from 192.168.10.0: icmp_seq=1 ttl=64 time=0.033 ms
64 bytes from 192.168.10.0: icmp_seq=2 ttl=64 time=0.029 ms
64 bytes from 192.168.10.0: icmp_seq=3 ttl=64 time=0.026 ms

--- 192.168.10.0 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 0.026/0.029/0.033/0.005 ms

Is it happy speaking with itself?


The purpose of this post is to be given links, or even keywords
that could lead me. Possibly reliable ones.

Ch.


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local network with twisted rj45

2007-01-17 Thread Baron Christophe
I would need information on how to configure
a local network between two computers
with only a twested rj45.

I have two ethernet cards on each of the two computers
I aim to put together.

One of them is connected to a adsl via gateway.

I want the others to be configured for the two computers
to exchange files through ftp protocol.

I did like this in my /etc/network/interfaces file:
(only the part concerning the interfaces for this
local network. The others are set in dhcp)
#first computer
allow-hotplug eth0
iface eth0 inet static
address 192.168.10.0
netmask 255.255.255.0

auto eth0

#(2) second computer
allow-hotplug eth0
iface eth0 inet static
address 192.168.10.1
netmask 255.255.255.0

auto eth0

And then ifup -a.

If I could do a ping it would be a first step.

One the first computer it says:
~$ ping 192.168.10.1
PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data.
>From 192.168.10.0 icmp_seq=1 Destination Host Unreachable
>From 192.168.10.0 icmp_seq=2 Destination Host Unreachable

--- 192.168.10.1 ping statistics ---
8 packets transmitted, 0 received, +6 errors, 100% packet loss, time
7000ms
, pipe 3

And one the second it says:
~$ ping 192.168.10.0
Do you want to ping broadcast? Then -b

And with -b: 100% lost.

And from the first computer:
~$ ping 192.168.10.0
PING 192.168.10.0 (192.168.10.0) 56(84) bytes of data.
64 bytes from 192.168.10.0: icmp_seq=1 ttl=64 time=0.033 ms
64 bytes from 192.168.10.0: icmp_seq=2 ttl=64 time=0.029 ms
64 bytes from 192.168.10.0: icmp_seq=3 ttl=64 time=0.026 ms

--- 192.168.10.0 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 0.026/0.029/0.033/0.005 ms

Is it happy speaking with itself?


The purpose of this post is to be given links, or even keywords
that could lead me. Possibly reliable ones.

Ch.






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