[171569] in North American Network Operators' Group
Re: Getting pretty close to default IPv4 route maximum for 6500/7600
daemon@ATHENA.MIT.EDU (Jeff Kell)
Tue May 6 13:30:26 2014
X-Original-To: nanog@nanog.org
Date: Tue, 6 May 2014 12:30:58 -0400
From: Jeff Kell <jeff-kell@utc.edu>
To: Drew Weaver <drew.weaver@thenap.com>, "'nanog@nanog.org'" <nanog@nanog.org>
In-Reply-To: <af8155e3b5724646b4af0f746c0a067d@EXCHANGE2K13.thenap.com>
Errors-To: nanog-bounces@nanog.org
On 5/6/2014 11:39 AM, Drew Weaver wrote:
> Hi all,
>
> I am wondering if maybe we should make some kind of concerted effort to remind folks about the IPv4 routing table inching closer and closer to the 512K route mark.
>
> We are at about 94/95% right now of 512K.
>
> For most of us, the 512K route mark is arbitrary but for a lot of folks who may still be running 6500/7600 or other routers which are by default configured to crash and burn after 512K routes; it may be a valuable public service.
Yes, a Sup720/PFC3CXL defaults to 512K IPv4 routes, and reconfiguring
the FIB requires a reload. So I've been quietly expecting a somewhat
serious meltdown when we hit 512K :)
Jeff
