[c-nsp] Very Strange Problems with 7513

[Hyunseog Ryu]

Hey John,

What kind of RSP you are using?
I had RSP4 with similar problems.
Cisco told us that there is some problem with architect, and asked us to 
upgrade to RSP16.
But eventually I removed Cisco 7507 routers from our network.

Hyun


John Neiberger wrote:
> Earlier in the year I had a 7513 that began to see some strange issues.
> It started with a VIP (w/two DS3 PAs) crashing. It recovered and we
> didn't think much of it until a few weeks later when another VIP (w/ATM
> IMA PA) crashed and did not recover. We replaced the VIP and the ATM PA
> and thought all was well. Within a short span of time, the RSP began to
> fail with parity errors. TAC told me that this was usually caused by
> cosmic rays and that I didn't need to worry about it unless it happened
> again. Well, it happened again and we replaced the RSP. We eventually
> ended up replacing the VIP and ATM PA *again*, the RSP *again*, and the
> other VIP with the DS3 PAs, culminating in replacing the chassis.
>
> That's the short story. Fast forward to October. Different cards
> (mostly, except for two CIPs, two FSIPs, and some old Ethernet cards)
> and different chassis. The VIP with the two DS3 PAs reloaded but
> recovered. TAC told me that is was a soft parity error and that I didn't
> need to worry about it unless it happened again. Nothing happened for
> two weeks and then the RSP crashed. We replaced it and all has been well
> until two days ago when the VIP with the ATM PA died. I came in last
> night and replaced it, and my RSP crashed! Again, it is with memory
> parity errors, and it crashed three times in just a few hours. I
> replaced it with a spare RSP so I think everything is stable for the
> moment.
>
> But, TAC appears to be stumped. The crash files for the VIPs and the
> RSP make it look as if they are entirely unrelated events, but they most
> certainly are related somehow...but how? This is a new chassis and
> mostly new cards. I have two thoughts: 1) a bad power feed from the PDU
> in the data center, or 2) one or more of the old cards that were moved
> from the old chassis are failing in such a way as to appear to be
> functioning correctly yet cause problems with other cards. 
>
> Any thoughts?
>
> Thanks,
> John
> --
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