[c-nsp] 7206VXR Big CPU Increase After 12.4 Upgrade

[Mark Taylor]

> Mark, we hit the IF-4-BACKWARD_COUNTERS with ATM PAs on a 7200 NPE-G1 with
> 12.3T. In our case this was cosmetic and didn't cause any obvious 
> problems.
>
> See: CSCsg19661 & CSCsb33066

The first one seems to be related to VPDN, the second when using an E3 PA 
with MPLS. We don't run either on this box

> Does a "show align" provide any clues?

Not that I can see:

#show alignment

No alignment data has been recorded.

No spurious memory references have been recorded.

Thanks,
Mark.