Weekly Routing Table Report

Jared Mauch jared at puck.nether.net
Thu Jul 26 11:33:16 UTC 2012


On Jul 25, 2012, at 10:16 PM, Geoff Huston <gih at apnic.net> wrote:

> 
> On 21/07/2012, at 6:40 AM, Jared Mauch wrote:
> 
>> 
>> On Jul 20, 2012, at 4:30 PM, Ron Broersma wrote:
>> 
>>> 
>>> On Jul 20, 2012, at 1:04 PM, valdis.kletnieks at vt.edu wrote:
>>>> On Sat, 21 Jul 2012 05:10:41 +1000, Routing Analysis Role Account said:
>>>>> BGP routing table entries examined:                              418048
>>>> So, whatever happened to that whole "the internet will catch fire when
>>>> we get to 280K routing table entries" or whatever it was? :)
>>> 
>>> We added memory where we could, or bought bigger routers.  The new (conventional wisdom) limit is 1M routes.
>> 
>> I think you mean 512k IPv4 with 256k of IPv6 (taking double space).
> 
> 512K of IPv4? That's getting close!

I know a few people had issues around the 256k barrier from tcam based platforms. Expect a lot of BGP instability as people react to 512k entries in their fib



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