[c-nsp] GSR OC3 Eng0 to Eng3

[Aaron]

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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