Re: [AFMUG] Patch cable failure

2021-10-27 Thread TJ Trout 
using apc in a upc optic?

On Wed, Oct 27, 2021 at 11:09 AM Nate Burke  wrote:

> It's the 2nd cable, I've already replaced it once.
> On 10/27/2021 1:06 PM, Bill Prince wrote:
>
> You know, it just might be the angle of the polish on the ends of the SFP
> and cable that line up just enough to attenuate the signal. IDK, but if I
> had a cable like that, I think I would pull out my kitchen shears and chop
> it into little pieces.
> --
> bp
> part15sbs{at}gmail{dot}com
>
>
> On Wed, Oct 27, 2021 at 10:43 AM Nate Burke  wrote:
>
>> I think it must be the fiber demons, same cable run just failed again.
>> Replaced SFP's with no change, changed 1M patch cable again and that fixed
>> it.  One side was showing 40db loss on the RX according to the SFP Stats.
>> Was working fine until suddenly it wasn't.
>> On 9/30/2021 4:37 PM, Chuck McCown via AF wrote:
>>
>> First real computer class.  We had to buy a floppy.  I bought one,
>> thought I would never fill it.
>>
>> *From:* Bill Prince
>> *Sent:* Thursday, September 30, 2021 3:11 PM
>> *To:* af@af.afmug.com
>> *Subject:* Re: [AFMUG] Patch cable failure
>>
>>
>> Kind of like the 5-1/4" floppies of yesteryear. If all the tolerances
>> line up the wrong way, they technically could not work.
>>
>>
>>
>> bp
>> 
>>
>> On 9/30/2021 1:36 PM, Adam Moffett wrote:
>>
>> Heh, "fiber demons."
>>
>> A few months back I swapped a cable between an old Cisco X2 card and a
>> patch panel and the port wouldn't link up.  Cleaned and checked everything,
>> ran the OTDR, tried another cable, nothing worked.
>>
>> Then I put the old patch cable back in and it linked right up.  Switched
>> back and forth, tried the new patch cable on a different interface.
>> Everything checks out except this one port won't link unless this one cable.
>>
>> I still don't know what that's all about.  Maybe the port and the
>> connectors are both at the same extreme end of dimensional tolerances.
>>
>> or maybe it's those "fiber demons" you mention.
>>
>> -Adam
>>
>>
>>
>>
>> On 9/30/2021 4:08 PM, Nate Burke wrote:
>>
>> Put the patch cable on the VFL, nothing showed up.  Light came out the
>> other end, no spots along the cable unless I bent it tight.  I'll just mark
>> it up to the fiber demons.
>>
>> On 9/28/2021 7:47 AM, Josh Luthman wrote:
>>
>> 100% chance the VFL finds something.  Light is light - be it a red
>> blinker or SFP blink.
>>
>> Josh Luthman
>> 24/7 Help Desk: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>>
>>
>> On Thu, Sep 23, 2021 at 10:10 AM Nate Burke  wrote:
>>
>>> Maybe I should go pull it out of the garbage and put the VFL on it to
>>> see if there's anything
>>>
>>> On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
>>> > We had one do that in a splice case a few weeks back.  Just decided to
>>> break all by itself. Maybe temperature or vibrations did it.  Very visible
>>> fault with the VFL.
>>> >
>>> > Sent from my iPhone
>>> >
>>> >> On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:
>>> >>
>>> >> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber
>>> Patch cable installed in a rack between router and a switch.  Link went
>>> down at exactly noon.  Router had no link, switch showed link. Replaced
>>> both SFP's with no change.  Reversed patch cable and link came up.  Put
>>> back to original, no link.  Threw that cable in the garbage and put in a
>>> new one.  I have a camera looking at the front of this rack.  Nothing moved
>>> when the link went down, I can see the link light turn off on the router
>>> when it failed.
>>> >>
>>> >> I never would have believed a fiber patch cable would just up and
>>> fail with no external force.
>>> >>
>>> >> --
>>> >> AF mailing list
>>> >> AF@af.afmug.com
>>> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>>
>>>
>>> --
>>> AF mailing list
>>> AF@af.afmug.com
>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>>
>>
>>
>>
>>
>>
>> --
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>
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Re: [AFMUG] Patch cable failure

2021-10-27 Thread Nate Burke 

It's the 2nd cable, I've already replaced it once.

On 10/27/2021 1:06 PM, Bill Prince wrote:
You know, it just might be the angle of the polish on the ends of the 
SFP and cable that line up just enough to attenuate the signal. IDK, 
but if I had a cable like that, I think I would pull out my kitchen 
shears and chop it into little pieces.

--
bp
part15sbs{at}gmail{dot}com


On Wed, Oct 27, 2021 at 10:43 AM Nate Burke <mailto:n...@blastcomm.com>> wrote:


I think it must be the fiber demons, same cable run just failed
again.  Replaced SFP's with no change, changed 1M patch cable
again and that fixed it.  One side was showing 40db loss on the RX
according to the SFP Stats.  Was working fine until suddenly it
wasn't.

On 9/30/2021 4:37 PM, Chuck McCown via AF wrote:

First real computer class.  We had to buy a floppy.  I bought
one, thought I would never fill it.
*From:* Bill Prince
*Sent:* Thursday, September 30, 2021 3:11 PM
*To:* af@af.afmug.com
    *Subject:* Re: [AFMUG] Patch cable failure

Kind of like the 5-1/4" floppies of yesteryear. If all the
tolerances line up the wrong way, they technically could not work.

bp

On 9/30/2021 1:36 PM, Adam Moffett wrote:


Heh, "fiber demons."

A few months back I swapped a cable between an old Cisco X2 card
and a patch panel and the port wouldn't link up.  Cleaned and
checked everything, ran the OTDR, tried another cable, nothing
worked.

Then I put the old patch cable back in and it linked right up. 
Switched back and forth, tried the new patch cable on a
different interface. Everything checks out except this one port
won't link unless this one cable.

I still don't know what that's all about. Maybe the port and the
connectors are both at the same extreme end of dimensional
tolerances.

or maybe it's those "fiber demons" you mention.

-Adam

On 9/30/2021 4:08 PM, Nate Burke wrote:

Put the patch cable on the VFL, nothing showed up.  Light came
out the other end, no spots along the cable unless I bent it
tight.  I'll just mark it up to the fiber demons.

On 9/28/2021 7:47 AM, Josh Luthman wrote:

100% chance the VFL finds something.  Light is light - be it a
red blinker or SFP blink.
Josh Luthman
24/7 Help Desk: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Thu, Sep 23, 2021 at 10:10 AM Nate Burke
 wrote:

Maybe I should go pull it out of the garbage and put the
VFL on it to
see if there's anything

On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> We had one do that in a splice case a few weeks back. 
Just decided to break all by itself. Maybe temperature or
vibrations did it.  Very visible fault with the VFL.
>
> Sent from my iPhone
>
>> On Sep 23, 2021, at 7:56 AM, Nate Burke
 wrote:
>>
>> If I didn't diagnose it, I wouldn't have believed it. 
1M SM fiber Patch cable installed in a rack between router
and a switch.  Link went down at exactly noon.  Router had
no link, switch showed link. Replaced both SFP's with no
change.  Reversed patch cable and link came up.  Put back
to original, no link. Threw that cable in the garbage and
put in a new one.  I have a camera looking at the front of
this rack.  Nothing moved when the link went down, I can
see the link light turn off on the router when it failed.
>>
>> I never would have believed a fiber patch cable would
just up and fail with no external force.
>>
>> --
>> AF mailing list
>> AF@af.afmug.com
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
<http://af.afmug.com/mailman/listinfo/af_af.afmug.com>


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Re: [AFMUG] Patch cable failure

2021-10-27 Thread Bill Prince 
You know, it just might be the angle of the polish on the ends of the SFP
and cable that line up just enough to attenuate the signal. IDK, but if I
had a cable like that, I think I would pull out my kitchen shears and chop
it into little pieces.
--
bp
part15sbs{at}gmail{dot}com


On Wed, Oct 27, 2021 at 10:43 AM Nate Burke  wrote:

> I think it must be the fiber demons, same cable run just failed again.
> Replaced SFP's with no change, changed 1M patch cable again and that fixed
> it.  One side was showing 40db loss on the RX according to the SFP Stats.
> Was working fine until suddenly it wasn't.
> On 9/30/2021 4:37 PM, Chuck McCown via AF wrote:
>
> First real computer class.  We had to buy a floppy.  I bought one, thought
> I would never fill it.
>
> *From:* Bill Prince
> *Sent:* Thursday, September 30, 2021 3:11 PM
> *To:* af@af.afmug.com
> *Subject:* Re: [AFMUG] Patch cable failure
>
>
> Kind of like the 5-1/4" floppies of yesteryear. If all the tolerances line
> up the wrong way, they technically could not work.
>
>
>
> bp
> 
>
> On 9/30/2021 1:36 PM, Adam Moffett wrote:
>
> Heh, "fiber demons."
>
> A few months back I swapped a cable between an old Cisco X2 card and a
> patch panel and the port wouldn't link up.  Cleaned and checked everything,
> ran the OTDR, tried another cable, nothing worked.
>
> Then I put the old patch cable back in and it linked right up.  Switched
> back and forth, tried the new patch cable on a different interface.
> Everything checks out except this one port won't link unless this one cable.
>
> I still don't know what that's all about.  Maybe the port and the
> connectors are both at the same extreme end of dimensional tolerances.
>
> or maybe it's those "fiber demons" you mention.
>
> -Adam
>
>
>
>
> On 9/30/2021 4:08 PM, Nate Burke wrote:
>
> Put the patch cable on the VFL, nothing showed up.  Light came out the
> other end, no spots along the cable unless I bent it tight.  I'll just mark
> it up to the fiber demons.
>
> On 9/28/2021 7:47 AM, Josh Luthman wrote:
>
> 100% chance the VFL finds something.  Light is light - be it a red blinker
> or SFP blink.
>
> Josh Luthman
> 24/7 Help Desk: 937-552-2340
> Direct: 937-552-2343
> 1100 Wayne St
> Suite 1337
> Troy, OH 45373
>
>
> On Thu, Sep 23, 2021 at 10:10 AM Nate Burke  wrote:
>
>> Maybe I should go pull it out of the garbage and put the VFL on it to
>> see if there's anything
>>
>> On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
>> > We had one do that in a splice case a few weeks back.  Just decided to
>> break all by itself. Maybe temperature or vibrations did it.  Very visible
>> fault with the VFL.
>> >
>> > Sent from my iPhone
>> >
>> >> On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:
>> >>
>> >> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber
>> Patch cable installed in a rack between router and a switch.  Link went
>> down at exactly noon.  Router had no link, switch showed link. Replaced
>> both SFP's with no change.  Reversed patch cable and link came up.  Put
>> back to original, no link.  Threw that cable in the garbage and put in a
>> new one.  I have a camera looking at the front of this rack.  Nothing moved
>> when the link went down, I can see the link light turn off on the router
>> when it failed.
>> >>
>> >> I never would have believed a fiber patch cable would just up and fail
>> with no external force.
>> >>
>> >> --
>> >> AF mailing list
>> >> AF@af.afmug.com
>> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
>>
>> --
>> AF mailing list
>> AF@af.afmug.com
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
>
>
>
>
>
> --
> --
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> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
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Re: [AFMUG] Patch cable failure

2021-10-27 Thread Nate Burke 
I think it must be the fiber demons, same cable run just failed again.  
Replaced SFP's with no change, changed 1M patch cable again and that 
fixed it.  One side was showing 40db loss on the RX according to the SFP 
Stats.  Was working fine until suddenly it wasn't.


On 9/30/2021 4:37 PM, Chuck McCown via AF wrote:
First real computer class.  We had to buy a floppy.  I bought one, 
thought I would never fill it.

*From:* Bill Prince
*Sent:* Thursday, September 30, 2021 3:11 PM
*To:* af@af.afmug.com
*Subject:* Re: [AFMUG] Patch cable failure

Kind of like the 5-1/4" floppies of yesteryear. If all the tolerances 
line up the wrong way, they technically could not work.


bp

On 9/30/2021 1:36 PM, Adam Moffett wrote:


Heh, "fiber demons."

A few months back I swapped a cable between an old Cisco X2 card and 
a patch panel and the port wouldn't link up.  Cleaned and checked 
everything, ran the OTDR, tried another cable, nothing worked.


Then I put the old patch cable back in and it linked right up.  
Switched back and forth, tried the new patch cable on a different 
interface.  Everything checks out except this one port won't link 
unless this one cable.


I still don't know what that's all about.  Maybe the port and the 
connectors are both at the same extreme end of dimensional tolerances.


or maybe it's those "fiber demons" you mention.

-Adam

On 9/30/2021 4:08 PM, Nate Burke wrote:
Put the patch cable on the VFL, nothing showed up.  Light came out 
the other end, no spots along the cable unless I bent it tight.  
I'll just mark it up to the fiber demons.


On 9/28/2021 7:47 AM, Josh Luthman wrote:
100% chance the VFL finds something. Light is light - be it a red 
blinker or SFP blink.

Josh Luthman
24/7 Help Desk: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Thu, Sep 23, 2021 at 10:10 AM Nate Burke  wrote:

Maybe I should go pull it out of the garbage and put the VFL on
it to
see if there's anything

On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> We had one do that in a splice case a few weeks back.  Just
decided to break all by itself. Maybe temperature or vibrations
did it.  Very visible fault with the VFL.
>
> Sent from my iPhone
>
>> On Sep 23, 2021, at 7:56 AM, Nate Burke 
wrote:
>>
>> If I didn't diagnose it, I wouldn't have believed it.  1M
SM fiber Patch cable installed in a rack between router and a
switch.  Link went down at exactly noon.  Router had no link,
switch showed link. Replaced both SFP's with no change.
Reversed patch cable and link came up.  Put back to original,
no link.  Threw that cable in the garbage and put in a new
one.  I have a camera looking at the front of this rack. 
Nothing moved when the link went down, I can see the link light
turn off on the router when it failed.
>>
>> I never would have believed a fiber patch cable would just
up and fail with no external force.
>>
>> --
>> AF mailing list
>> AF@af.afmug.com
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
<http://af.afmug.com/mailman/listinfo/af_af.afmug.com>


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Re: [AFMUG] Patch cable failure

2021-09-30 Thread Chuck McCown via AF 
First real computer class.  We had to buy a floppy.  I bought one, thought I 
would never fill it.  

From: Bill Prince 
Sent: Thursday, September 30, 2021 3:11 PM
To: af@af.afmug.com 
Subject: Re: [AFMUG] Patch cable failure

Kind of like the 5-1/4" floppies of yesteryear. If all the tolerances line up 
the wrong way, they technically could not work.



bp
On 9/30/2021 1:36 PM, Adam Moffett wrote:

  Heh, "fiber demons."

  A few months back I swapped a cable between an old Cisco X2 card and a patch 
panel and the port wouldn't link up.  Cleaned and checked everything, ran the 
OTDR, tried another cable, nothing worked.

  Then I put the old patch cable back in and it linked right up.  Switched back 
and forth, tried the new patch cable on a different interface.  Everything 
checks out except this one port won't link unless this one cable.

  I still don't know what that's all about.  Maybe the port and the connectors 
are both at the same extreme end of dimensional tolerances.

  or maybe it's those "fiber demons" you mention.


  -Adam





  On 9/30/2021 4:08 PM, Nate Burke wrote:

Put the patch cable on the VFL, nothing showed up.  Light came out the 
other end, no spots along the cable unless I bent it tight.  I'll just mark it 
up to the fiber demons.  


On 9/28/2021 7:47 AM, Josh Luthman wrote:

  100% chance the VFL finds something.  Light is light - be it a red 
blinker or SFP blink.


  Josh Luthman
  24/7 Help Desk: 937-552-2340
  Direct: 937-552-2343
  1100 Wayne St
  Suite 1337
  Troy, OH 45373


  On Thu, Sep 23, 2021 at 10:10 AM Nate Burke  wrote:

Maybe I should go pull it out of the garbage and put the VFL on it to 
see if there's anything

On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> We had one do that in a splice case a few weeks back.  Just decided 
to break all by itself. Maybe temperature or vibrations did it.  Very visible 
fault with the VFL.
>
> Sent from my iPhone
>
>> On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:
>>
>> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber 
Patch cable installed in a rack between router and a switch.  Link went down at 
exactly noon.  Router had no link, switch showed link. Replaced both SFP's with 
no change.  Reversed patch cable and link came up.  Put back to original, no 
link.  Threw that cable in the garbage and put in a new one.  I have a camera 
looking at the front of this rack.  Nothing moved when the link went down, I 
can see the link light turn off on the router when it failed.
>>
>> I never would have believed a fiber patch cable would just up and 
fail with no external force.
>>
>> -- 
>> AF mailing list
>> AF@af.afmug.com
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com


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Re: [AFMUG] Patch cable failure

2021-09-30 Thread Bill Prince 

  
  
Kind of like the 5-1/4" floppies of yesteryear. If all the
  tolerances line up the wrong way, they technically could not work.


bp

On 9/30/2021 1:36 PM, Adam Moffett
  wrote:


  
  Heh, "fiber demons."
  A few months back I swapped a cable between an old Cisco X2
card and a patch panel and the port wouldn't link up.  Cleaned
and checked everything, ran the OTDR, tried another cable,
nothing worked.
  Then I put the old patch cable back in and it linked right up. 
Switched back and forth, tried the new patch cable on a
different interface.  Everything checks out except this one port
won't link unless this one cable.
  I still don't know what that's all about.  Maybe the port and
the connectors are both at the same extreme end of dimensional
tolerances.
  or maybe it's those "fiber demons" you mention.
  
  -Adam
  
  
  
  
  On 9/30/2021 4:08 PM, Nate Burke
wrote:
  
  

Put the patch cable on the VFL, nothing showed up.  Light came
out the other end, no spots along the cable unless I bent it
tight.  I'll just mark it up to the fiber demons.  

On 9/28/2021 7:47 AM, Josh Luthman
  wrote:


  100% chance the VFL finds something.  Light is
light - be it a red blinker or SFP blink.

  

  
  
  Josh Luthman
  24/7 Help Desk: 937-552-2340
  Direct: 937-552-2343
  1100 Wayne St
  Suite 1337
  Troy, OH 45373
  


  
  
  
On Thu, Sep 23, 2021 at
  10:10 AM Nate Burke 
  wrote:

Maybe I should go pull
  it out of the garbage and put the VFL on it to 
  see if there's anything
  
  On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
  > We had one do that in a splice case a few weeks
  back.  Just decided to break all by itself. Maybe
  temperature or vibrations did it.  Very visible fault with
  the VFL.
  >
  > Sent from my iPhone
  >
  >> On Sep 23, 2021, at 7:56 AM, Nate Burke 
  wrote:
  >>
  >> If I didn't diagnose it, I wouldn't have
  believed it.  1M SM fiber Patch cable installed in a rack
  between router and a switch.  Link went down at exactly
  noon.  Router had no link, switch showed link. Replaced
  both SFP's with no change.  Reversed patch cable and link
  came up.  Put back to original, no link.  Threw that cable
  in the garbage and put in a new one.  I have a camera
  looking at the front of this rack.  Nothing moved when the
  link went down, I can see the link light turn off on the
  router when it failed.
  >>
  >> I never would have believed a fiber patch cable
  would just up and fail with no external force.
  >>
  >> -- 
  >> AF mailing list
  >> AF@af.afmug.com
  >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
  
  
  -- 
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Re: [AFMUG] Patch cable failure

2021-09-30 Thread Adam Moffett 

Heh, "fiber demons."

A few months back I swapped a cable between an old Cisco X2 card and a 
patch panel and the port wouldn't link up.  Cleaned and checked 
everything, ran the OTDR, tried another cable, nothing worked.


Then I put the old patch cable back in and it linked right up. Switched 
back and forth, tried the new patch cable on a different interface.  
Everything checks out except this one port won't link unless this one cable.


I still don't know what that's all about.  Maybe the port and the 
connectors are both at the same extreme end of dimensional tolerances.


or maybe it's those "fiber demons" you mention.

-Adam



On 9/30/2021 4:08 PM, Nate Burke wrote:
Put the patch cable on the VFL, nothing showed up.  Light came out the 
other end, no spots along the cable unless I bent it tight. I'll just 
mark it up to the fiber demons.


On 9/28/2021 7:47 AM, Josh Luthman wrote:
100% chance the VFL finds something.  Light is light - be it a red 
blinker or SFP blink.


Josh Luthman
24/7 Help Desk: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373


On Thu, Sep 23, 2021 at 10:10 AM Nate Burke > wrote:


Maybe I should go pull it out of the garbage and put the VFL on
it to
see if there's anything

On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> We had one do that in a splice case a few weeks back. Just
decided to break all by itself. Maybe temperature or vibrations
did it.  Very visible fault with the VFL.
>
> Sent from my iPhone
>
>> On Sep 23, 2021, at 7:56 AM, Nate Burke 
wrote:
>>
>> If I didn't diagnose it, I wouldn't have believed it.  1M SM
fiber Patch cable installed in a rack between router and a
switch.  Link went down at exactly noon. Router had no link,
switch showed link. Replaced both SFP's with no change.  Reversed
patch cable and link came up.  Put back to original, no link. 
Threw that cable in the garbage and put in a new one.  I have a
camera looking at the front of this rack.  Nothing moved when the
link went down, I can see the link light turn off on the router
when it failed.
>>
>> I never would have believed a fiber patch cable would just up
and fail with no external force.
>>
>> --
>> AF mailing list
>> AF@af.afmug.com 
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com



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Re: [AFMUG] Patch cable failure

2021-09-30 Thread Nate Burke 
Put the patch cable on the VFL, nothing showed up.  Light came out the 
other end, no spots along the cable unless I bent it tight. I'll just 
mark it up to the fiber demons.


On 9/28/2021 7:47 AM, Josh Luthman wrote:
100% chance the VFL finds something.  Light is light - be it a red 
blinker or SFP blink.


Josh Luthman
24/7 Help Desk: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373


On Thu, Sep 23, 2021 at 10:10 AM Nate Burke > wrote:


Maybe I should go pull it out of the garbage and put the VFL on it to
see if there's anything

On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> We had one do that in a splice case a few weeks back. Just
decided to break all by itself. Maybe temperature or vibrations
did it.  Very visible fault with the VFL.
>
> Sent from my iPhone
>
>> On Sep 23, 2021, at 7:56 AM, Nate Burke mailto:n...@blastcomm.com>> wrote:
>>
>> If I didn't diagnose it, I wouldn't have believed it.  1M SM
fiber Patch cable installed in a rack between router and a
switch.  Link went down at exactly noon.  Router had no link,
switch showed link. Replaced both SFP's with no change.  Reversed
patch cable and link came up.  Put back to original, no link. 
Threw that cable in the garbage and put in a new one.  I have a

camera looking at the front of this rack.  Nothing moved when the
link went down, I can see the link light turn off on the router
when it failed.
>>
>> I never would have believed a fiber patch cable would just up
and fail with no external force.
>>
>> --
>> AF mailing list
>> AF@af.afmug.com 
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com


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Re: [AFMUG] Patch cable failure

2021-09-28 Thread Josh Luthman 
100% chance the VFL finds something.  Light is light - be it a red blinker
or SFP blink.

Josh Luthman
24/7 Help Desk: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373


On Thu, Sep 23, 2021 at 10:10 AM Nate Burke  wrote:

> Maybe I should go pull it out of the garbage and put the VFL on it to
> see if there's anything
>
> On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> > We had one do that in a splice case a few weeks back.  Just decided to
> break all by itself. Maybe temperature or vibrations did it.  Very visible
> fault with the VFL.
> >
> > Sent from my iPhone
> >
> >> On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:
> >>
> >> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber
> Patch cable installed in a rack between router and a switch.  Link went
> down at exactly noon.  Router had no link, switch showed link. Replaced
> both SFP's with no change.  Reversed patch cable and link came up.  Put
> back to original, no link.  Threw that cable in the garbage and put in a
> new one.  I have a camera looking at the front of this rack.  Nothing moved
> when the link went down, I can see the link light turn off on the router
> when it failed.
> >>
> >> I never would have believed a fiber patch cable would just up and fail
> with no external force.
> >>
> >> --
> >> AF mailing list
> >> AF@af.afmug.com
> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
>
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Re: [AFMUG] Patch cable failure

2021-09-23 Thread TJ Trout 
ding ding, number 1 reason for link failure is dirty connectors/optics in
the telcos

On Thu, Sep 23, 2021 at 2:40 PM Chuck McCown via AF  wrote:

> Did you clean everything before replacing the cable?
>
> Sent from my iPhone
>
> On Sep 23, 2021, at 3:16 PM, Forrest Christian (List Account) <
> li...@packetflux.com> wrote:
>
> 
> Don't forget the constant 1G of pull.
>
> On Thu, Sep 23, 2021, 2:41 PM Jaime Solorza 
> wrote:
>
>> Everything is under a force entropy
>>
>> On Thu, Sep 23, 2021, 7:57 AM Nate Burke  wrote:
>>
>>> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch
>>> cable installed in a rack between router and a switch.  Link went down
>>> at exactly noon.  Router had no link, switch showed link. Replaced both
>>> SFP's with no change.  Reversed patch cable and link came up.  Put back
>>> to original, no link.  Threw that cable in the garbage and put in a new
>>> one.  I have a camera looking at the front of this rack.  Nothing moved
>>> when the link went down, I can see the link light turn off on the router
>>> when it failed.
>>>
>>> I never would have believed a fiber patch cable would just up and fail
>>> with no external force.
>>>
>>> --
>>> AF mailing list
>>> AF@af.afmug.com
>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>>
>> --
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>> AF@af.afmug.com
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
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Re: [AFMUG] Patch cable failure

2021-09-23 Thread Chuck McCown via AF 
Did you clean everything before replacing the cable?

Sent from my iPhone

> On Sep 23, 2021, at 3:16 PM, Forrest Christian (List Account) 
>  wrote:
> 
> 
> Don't forget the constant 1G of pull. 
> 
>> On Thu, Sep 23, 2021, 2:41 PM Jaime Solorza  
>> wrote:
>> Everything is under a force entropy
>> 
>>> On Thu, Sep 23, 2021, 7:57 AM Nate Burke  wrote:
>>> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch 
>>> cable installed in a rack between router and a switch.  Link went down 
>>> at exactly noon.  Router had no link, switch showed link. Replaced both 
>>> SFP's with no change.  Reversed patch cable and link came up.  Put back 
>>> to original, no link.  Threw that cable in the garbage and put in a new 
>>> one.  I have a camera looking at the front of this rack.  Nothing moved 
>>> when the link went down, I can see the link light turn off on the router 
>>> when it failed.
>>> 
>>> I never would have believed a fiber patch cable would just up and fail 
>>> with no external force.
>>> 
>>> -- 
>>> AF mailing list
>>> AF@af.afmug.com
>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>> -- 
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Re: [AFMUG] Patch cable failure

2021-09-23 Thread Forrest Christian (List Account) 
Don't forget the constant 1G of pull.

On Thu, Sep 23, 2021, 2:41 PM Jaime Solorza 
wrote:

> Everything is under a force entropy
>
> On Thu, Sep 23, 2021, 7:57 AM Nate Burke  wrote:
>
>> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch
>> cable installed in a rack between router and a switch.  Link went down
>> at exactly noon.  Router had no link, switch showed link. Replaced both
>> SFP's with no change.  Reversed patch cable and link came up.  Put back
>> to original, no link.  Threw that cable in the garbage and put in a new
>> one.  I have a camera looking at the front of this rack.  Nothing moved
>> when the link went down, I can see the link light turn off on the router
>> when it failed.
>>
>> I never would have believed a fiber patch cable would just up and fail
>> with no external force.
>>
>> --
>> AF mailing list
>> AF@af.afmug.com
>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
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Re: [AFMUG] Patch cable failure

2021-09-23 Thread Jaime Solorza 
Everything is under a force entropy

On Thu, Sep 23, 2021, 7:57 AM Nate Burke  wrote:

> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch
> cable installed in a rack between router and a switch.  Link went down
> at exactly noon.  Router had no link, switch showed link. Replaced both
> SFP's with no change.  Reversed patch cable and link came up.  Put back
> to original, no link.  Threw that cable in the garbage and put in a new
> one.  I have a camera looking at the front of this rack.  Nothing moved
> when the link went down, I can see the link light turn off on the router
> when it failed.
>
> I never would have believed a fiber patch cable would just up and fail
> with no external force.
>
> --
> AF mailing list
> AF@af.afmug.com
> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
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Re: [AFMUG] Patch cable failure

2021-09-23 Thread TJ Trout 
Yep I would figure out the failure mode for future reference, maybe end
face damage?

On Thu, Sep 23, 2021, 7:10 AM Nate Burke  wrote:

> Maybe I should go pull it out of the garbage and put the VFL on it to
> see if there's anything
>
> On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:
> > We had one do that in a splice case a few weeks back.  Just decided to
> break all by itself. Maybe temperature or vibrations did it.  Very visible
> fault with the VFL.
> >
> > Sent from my iPhone
> >
> >> On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:
> >>
> >> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber
> Patch cable installed in a rack between router and a switch.  Link went
> down at exactly noon.  Router had no link, switch showed link. Replaced
> both SFP's with no change.  Reversed patch cable and link came up.  Put
> back to original, no link.  Threw that cable in the garbage and put in a
> new one.  I have a camera looking at the front of this rack.  Nothing moved
> when the link went down, I can see the link light turn off on the router
> when it failed.
> >>
> >> I never would have believed a fiber patch cable would just up and fail
> with no external force.
> >>
> >> --
> >> AF mailing list
> >> AF@af.afmug.com
> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
>
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Re: [AFMUG] Patch cable failure

2021-09-23 Thread Nate Burke 
Maybe I should go pull it out of the garbage and put the VFL on it to 
see if there's anything


On 9/23/2021 9:05 AM, Chuck McCown via AF wrote:

We had one do that in a splice case a few weeks back.  Just decided to break 
all by itself. Maybe temperature or vibrations did it.  Very visible fault with 
the VFL.

Sent from my iPhone


On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:

If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch cable 
installed in a rack between router and a switch.  Link went down at exactly 
noon.  Router had no link, switch showed link. Replaced both SFP's with no 
change.  Reversed patch cable and link came up.  Put back to original, no link. 
 Threw that cable in the garbage and put in a new one.  I have a camera looking 
at the front of this rack.  Nothing moved when the link went down, I can see 
the link light turn off on the router when it failed.

I never would have believed a fiber patch cable would just up and fail with no 
external force.

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Re: [AFMUG] Patch cable failure

2021-09-23 Thread Chuck McCown via AF 
We had one do that in a splice case a few weeks back.  Just decided to break 
all by itself. Maybe temperature or vibrations did it.  Very visible fault with 
the VFL.

Sent from my iPhone

> On Sep 23, 2021, at 7:56 AM, Nate Burke  wrote:
> 
> If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch 
> cable installed in a rack between router and a switch.  Link went down at 
> exactly noon.  Router had no link, switch showed link. Replaced both SFP's 
> with no change.  Reversed patch cable and link came up.  Put back to 
> original, no link.  Threw that cable in the garbage and put in a new one.  I 
> have a camera looking at the front of this rack.  Nothing moved when the link 
> went down, I can see the link light turn off on the router when it failed.
> 
> I never would have believed a fiber patch cable would just up and fail with 
> no external force.
> 
> -- 
> AF mailing list
> AF@af.afmug.com
> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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[AFMUG] Patch cable failure

2021-09-23 Thread Nate Burke 
If I didn't diagnose it, I wouldn't have believed it.  1M SM fiber Patch 
cable installed in a rack between router and a switch.  Link went down 
at exactly noon.  Router had no link, switch showed link. Replaced both 
SFP's with no change.  Reversed patch cable and link came up.  Put back 
to original, no link.  Threw that cable in the garbage and put in a new 
one.  I have a camera looking at the front of this rack.  Nothing moved 
when the link went down, I can see the link light turn off on the router 
when it failed.


I never would have believed a fiber patch cable would just up and fail 
with no external force.


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