[c-nsp] BGP dram confusion

[Nick Hilliard]

On 11/03/2015 13:45, Erik Klaassen wrote:
> Yes its a sub720-3bxl with IOS 12.2SRE. We are not using soft-reconfig. 
> Why is the "sh bgp all sum" around 300MB and the sh prec mem shows bgp is using 90%, or around 800MB. 

probably memory fragmentation.

> I just applied a filter for a default route only on one of the transits. 
> I can see i receive only 1 route but the mem usage is the same! 

If you drop a transit session, then the prefix will still be seen on the
other two transit sessions, so the amount of memory used won't be too much
different.

running full dfz on this platform has not been a good thing to do for
several years.

Nick