[nsp] intermitten ping lags on 7500/rsp4/256M

K. Scott Bethke scott at replicenter.com
Thu Jun 12 15:15:20 EDT 2003


Ive seen the same thing.  If you get on the 7500 and do a..

Router# sho proc cpu | excl 0.00%

You will probably see BGP updates jumping in when you hit that 600ms
ping.  At least that is my experience.  How to fix it (if you consider
this broken) is a very good question :)  I'm open to answers.

-Scotty

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of lexus
> Sent: Thursday, June 12, 2003 1:50 PM
> To: cisco-nsp at puck.nether.net
> Subject: [nsp] intermitten ping lags on 7500/rsp4/256M
> 
> I am running several 7500/rsp4/256M...BGP to the outside, OSPF on the
> inside.  Just one small OSPF area involving about 7 routers.
> 
> The problem:  Every other 10 to 40 secs, if I leave a continuous ping
to
> the router interface or outside hosts passing thru the router, the
ping
> time would jump from 0msec to 600msec for 1 packet, then down to
0msec,
> 20 secs later, another packet going out at 600msec...and so on.
> 
> I have tried to mess with cef/dcef to no availability.  Tried
reloading
> diff IOS images, from 12.0 to 12.2 (mostly IP and or Service
> Provider/VIP images), same problem.
> 
> I am out of ideas...this intermitten ping lag is driving me crazy.
Any
> help/direction is greatly appreciated.
> 
> Thanks
> -ken
> 
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