[c-nsp] GSR OC3 Eng0 to Eng3

Aaron dudepron at gmail.com
Tue Apr 14 14:38:15 EDT 2009


The ends of each fiber should be treated independently as far as signal
strength. One side might indeed be stronger.
On the E3 side, are the other ports plugged into a different system? I think
that version slaves off of port 0 for all the ports for clocking.

PSE are not really an issue but are an annoyance.

Aaron

On Tue, Apr 14, 2009 at 14:01, Pete Templin <petelists at templin.org> wrote:

> Lamar Owen wrote:
>
>  What sort of failures prompted the card switch?
>>
>
> Ugh.  Card #1 went offline following an IOS upgrade reboot.  Syslog
> messages suggested memory problems.  After being swapped out, a reseat of
> the memory brought the card back to life as a hot spare.
>
> Card #2 began misbehaving with its one and only live link during the last
> NANOG.  'hw-mod slot X shutdown' and a removal of that brought the card back
> to life, but only for a few days.  Card #1 and #2 were swapped.
>
> Then Card #1 began a few instances of random blackholing.  After a reboot,
> it went offline again.  Reseating memory didn't bring it back to life this
> time, so a memory swap with Card #2 was necessary.
>
> Both are in the dumpster now.  Some other Engine 0 cards are soon to be
> freed up; I'm unfortunately tempted to roll back to one of those.
>
> pt
>
>
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