Dual Homed BGP for failover

Jack Carrozzo jack at crepinc.com
Tue Jan 18 15:21:52 CST 2011


Yep, the great thing about IOS without 'commit confirmed' is when you remove
a bgp filter, it runs out of memory, reboots, brings up peers, runs out of
memory, reboots... meanwhile if you're trying to get in over a public
interface you're cursing John Chamber's very existence. Not that that's ever
happened to me of course...

-Jack Carrozzo

On Tue, Jan 18, 2011 at 4:19 PM, Jack Bates <jbates at brightok.net> wrote:

>
>
> On 1/18/2011 3:03 PM, Jack Carrozzo wrote:
>
>> I don't think this is the case, on IOS at least. Some years ago I was
>> rocking some 7500s with $not_enough ram for multiple full tables, but
>> with a prefix list to accept le 23  they worked fine.
>>
>>
> On JunOS, I know I can view pre and post filtered bgp updates ingress and
> egress. I seem to recall seeing similar functionality introduced into IOS,
> though I'm less certain. It's still always advisable to be careful. :)
>
>
> Jack
>



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