[c-nsp] Route processor memory at 99% on 720-3bxl

Gert Doering gert at greenie.muc.de
Wed Jun 22 03:02:26 EDT 2016


On Wed, Jun 22, 2016 at 12:01:13AM +0200, chiel wrote:
> We got a 6500 with a 720-3bxl running 
> s72033-advipservicesk9-mz.151-2.SY7.bin.
> Devices is has to do some basic routing/switching with full BGP.
> - 1x IPv4 full ebgp router with 585172 prefixes and a ibgp with 216827 
> prefixes.


On our remaining Sup720-XLs, we heavily filter the global BGP table - 
namely, we do not permit /23s or more specific from /8s allocated to other 
regions (APNIC, ARIN).  That saves about 120.000 prefixes - which enables
the box to handle the rest mostly fine.

(We have a default route pointing to our upstreams to cover small routes 
that have no covering aggregate - sucks, but there's no budget to pay for
all-ASR9k right away, and unstable 6500s suck more)

USENET is *not* the non-clickable part of WWW!
Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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