nanog mailing list archives

Re: Getting pretty close to default IPv4 route maximum for 6500/7600 routers.


From: Brandon Ewing <nicotine () warningg com>
Date: Thu, 8 May 2014 18:30:29 -0500

On Tue, May 06, 2014 at 03:39:13PM +0000, Drew Weaver wrote:

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.



Closer to?  Internap announces 507K prefixes to me today.  Coupled with the
prefixes I carry in iBGP internally, I've been sitting at 511K for quite
some time, and at occasions, exceeded 512K in the last 2 weeks.

L3 Forwarding Resources
             FIB TCAM usage:                     Total        Used       %Used
                  72 bits (IPv4, MPLS, EoM)     802816      511848         64%
IP routing table maximum-paths is 32
Route Source    Networks    Subnets     Overhead    Memory (bytes)
connected       0           31          3012        4464
static          1           78          17456       11376
ospf 1          1           310         22392       44784
  Intra-area: 110 Inter-area: 160 External-1: 0 External-2: 41
  NSSA External-1: 0 NSSA External-2: 0
bgp 23456       167707      343507      36808128    75466680
  External: 507479 Internal: 3735 Local: 0
internal        6054                                13246152
Total           173763      343926      36850988    88773456



-- 
Brandon Ewing                                        (nicotine () warningg com)

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