"We were also terminating 300 IPSec tunnels, with Zbf and IPS running."
<-- that is probably what killed the box.  I've always pushed off the
security stuff to dedicated boxes further in.

David.

On Sat, Jun 23, 2012 at 3:15 AM, Ahmed Hussain <[email protected]> wrote:

> I am running full BGP tables from 4 different upstreams around, doing v4
> and v6. The v6 full table is now around 400K and v6 some 20K plus a private
> peering session with around 200 routes.
> Doing this on a pair of cisco GSR with redundant route processors, and
> doing lot of complex filtering. CPU is doing good :)
>
>
>
> On Sat, Jun 23, 2012 at 8:49 AM, Paul Paradiso <[email protected]
> >wrote:
>
> > That could def push the router over the edge. Crypto should be offloaded
> to
> > another set of routers, especially for 300 tunnels!
> >  On Jun 22, 2012 11:35 PM, "Michael Davis - Webquor" <
> > [email protected]>
> > wrote:
> >
> > > I didn't have time to try another iOS.  We had 3 peers with 100mb
> > > connection to each.  We couldn't get the router to process any
> connection
> > > beyond about 10mb.  It was terrible.
> > > We were also terminating 300 IPSec tunnels, with Zbf and IPS running.
> >  How
> > > much can one router bear?
> > > You want the router to be able to perform multiple functions, the full
> > > routing table seemed to put a lot of load on ours.
> > >
> > > Sent from my iPhone
> > >
> > > On 23/06/2012, at 12:42 PM, "Bob McCouch" <[email protected]> wrote:
> > >
> > > > What?! I do full tables from multiple peers on a 3845 or 3945
> > > > regularly. I've done full tables from 1 iBGP peer and 1 eBGP peer on
> > > > 2921s quite a number of times too in a simple dual-homed, dual-router
> > > > design.
> > > >
> > > > I will admit to never having done IPv6 routes in BGP, and the route
> > > > entries are larger but what's the entire IPv6 table size, 20k
> prefixes
> > > > or something?
> > > >
> > > > Cisco's recommendation is 512 MB to do full IPv4 tables, though they
> > > > don't spec how many copies that includes. Soft-config will increase
> > > > the memory requirement.
> > > >
> > > > I've received full routes on a 2621 with 256 of RAM as well but I had
> > > > to disable soft-reconfig and filter the table down to /15 and shorter
> > > > prefixes to keep it stable ;-)
> > > >
> > > > If you crashed a 3945e with a full route table, you hit a bug. That's
> > > > all I can fathom.
> > > >
> > > >
> > > > Bob
> > > > --
> > > > Sent from my iPhone, please excuse any typos.
> > > >
> > > > On Jun 22, 2012, at 10:21 PM, Michael Davis - Webquor
> > > > <[email protected]> wrote:
> > > >
> > > >> I downloaded the full BGP table to a 3945e and crashed it...  Badly.
> > > >> Then tried on our ASR1k and it worked though we went For connected
> ISP
> > > routes as it was noticeably slower.  My guess is you would need an ASR
> > 9k.
> > > >>
> > > >> Sent from my iPhone
> > > >>
> > > >> On 23/06/2012, at 11:04 AM, "Jason Maynard" <
> [email protected]>
> > > wrote:
> > > >>
> > > >>> This may not be directly related to the lab but it is relevant in
> > > >>> understanding Cisco platforms and BGP requirements.
> > > >>>
> > > >>> What is the smallest router to hold the entire BGP internet table
> and
> > > which
> > > >>> platfom is ideal? both IPv4 and IPv6 and you must consider route
> > > >>> manipulation
> > > >>> _______________________________________________
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