Re: FR PVC instablity(again)

From: MADMAN (dave@interprise.com)
Date: Wed Jun 18 2003 - 10:43:20 GMT-3


   As Dennis is alluding to, you may well have a bug, I know I have seen
them before that cause this problem. Here is one that I recall, CSCdj91667.

   Dave

Brian Dennis wrote:
> What version of code are you running? Can you get a "show tech-support"
> off the router next time it freezes up before you reload it?
>
> You might check to see if the interface's input or output queues are
> full when this happens. Actually before it happens you might check to
> see if the queues seem to have packets "hung" in them. I've seen a few
> bugs in the past that would cause packets to remain in the queue and
> after the queue was full it could not send or receive data depending on
> if it was an input or output queue issue.
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> yuki hisano
> Sent: Tuesday, June 17, 2003 6:55 PM
> To: ccielab@groupstudy.com
> Subject: FR PVC instablity(again)
>
> Group,
>
> I am posting this again since I did not get any solutions to it.
>
>
>>I have a problem with the routers that are connected to a FR network.
>>What happens is that once in a while, some of the PVCs get freaze up
>
> and
>
>>the only solution that I know of is to reset the router every time it
>>happens. After rebooting the router, PVC seems to work fine. Since this
>
>
>>happens pretty often, I was wondering if there is a better solution to
>
> this
>
>>problem.
>>I dont even know why it happens.
>
>
> This network is in production.
>
> I am sure some of you had the same situation before. I just want to know
>
> anything that you may know.
>
>
> Yuki
>
>
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-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

"Government can do something for the people only in proportion as it can do something to the people." -- Thomas Jefferson



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