So Philip Smith / Geoff Huston's CIDR report becomes worth a good hard look today

Hank Nussbacher hank at
Wed Aug 13 05:08:04 UTC 2014

At 18:10 12/08/2014 -0400, William Herrin wrote:

We went with 768 - enough time to replace the routers with ASR9010s.  It is 
merely a stop-gap measure to give everyone time to replace their routers in 
an orderly fashion.


>On Tue, Aug 12, 2014 at 2:42 PM, Hank Nussbacher <hank at> wrote:
> > 
>I note that the recommended command in that article, "mls cef
>maximum-routes ip 1000", will throw most of your IPv6 routes out of
>the TCAM instead. Which if you have any IPv6 traffic of substance just
>kills you in the other direction. Might want to try something more
>like "mls cef maximum-routes ip 900".
>Bill Herrin
>William Herrin ................ herrin at  bill at
>Owner, Dirtside Systems ......... Web: <>
>Can I solve your unusual networking challenges?

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