[c-nsp] Full BGP Feed Convergence Time on ASR 1006 RP2 Setup

Jared Mauch jared at puck.nether.net
Sat Nov 12 09:28:17 EST 2011


On Nov 11, 2011, at 4:20 PM, Joseph Jackson wrote:

> On Fri, Nov 11, 2011 at 2:45 AM, Mark Tinka <mtinka at globaltransit.net> wrote:
> 
>> I just brought up an ASR1006 + RP2 + ESP20 + SIP10, peering
>> with 3x route reflectors, receiving a full v4/v6/VPNv4 table
>> from them, simultaneously.
>> 
>> For v4, the 1st session was done in about 48 seconds, the
>> other two were done about 10 seconds earlier than that.
>> 
>> Hope this helps.
>> 
>> Cheers,
>> 
>> Mark.
> 
> Silly question time,  but how are you judging that time on - router
> has stopped receiving prefixes on show ip bgp sum (or neighbor).  Or
> are you defining it having a full feed with some other metric?

I would always track the times for:

a) bgp stability
b) cef table population (show ip cef sum)
c) hardware population (show mls cef sum)

- Jared


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