[c-nsp] PA-A1 & NPEG1

Aleksandar Ristoski dandy at volja.net
Fri Dec 17 08:30:17 EST 2004


Hi!

I know all about the PA-A1-OC3SM for c72xx/75xx platform issues and it's lack 
of on-card buffer and horrible behavior when under "heavy" load (UDP flood 
with short packets, reliability drops). I was hoping that when I upgrade the 
NPE on the c7206VXR from NPE400 to NPEG-1, it would compensate and resolve at 
least a bit of the troubles caused by the lousiest PA in Cisco history.
Happily, I insert the new NPEG-1, power-on, no-shut the interface input the 
PVC and.... lock. Console output is full with greeting messages that says: 

RxFreeze......

Make a long story short, I came to a conclusion that NPEG-1 doesn't support 
the PA-A1, since also Cisco recommends that You should replace the PA-A1 with 
PA-A3 (buffers inside).

And, I would appreciate tips in making this combination work (other than 
replace it with PA-A3), or, if there is no cure, at least I shared my 
problems with You. :)

Aleksandar.


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