[c-nsp] Sup32 Active Standby Switchover

xdsgrrr at consultcommerce.com xdsgrrr at consultcommerce.com
Wed Jul 11 08:26:41 EDT 2007


We using c7600s3223-adventerprisek9-mz.122-33.SRB1.bin and i allready
have configured LDP GR  and Yes the ports are on engines can this be a
problem ? 2 on first one and other 2 on the second one , this is a 
logical becouse i loose and line card too but to be sure .  

>im going to resolve this 
On 7/10/2007, "Phil Mayers" <p.mayers at imperial.ac.uk> wrote:

>On Tue, 2007-07-10 at 15:58 +0000, xdsgrrr at consultcommerce.com wrote:
>> Ok my ospf coverge in 1-2 seconds in case of fiber cut ot upluging
>> cable ,  ldp too but when i go and make  redundancy force-switchover
>
>OSPF shouldn't have to converge at all using NSF.
>
>LDP is not SSO-aware in the 12.2SX code. You *WILL* lose adjacencies
>performing a switchover if you're using MPLS. 12.2(33)SXH will
>apparently fix this, or 12.2(33)SR on 7600s.
>
>> it take's 30 seconds to converge ,  strange i mean this is unacceptible
>
>30 seconds? God, a full converge should take less than that (unless
>you're running full or big BGP tables).
>
>> for rtp protocols :)
>> all advices are appreciated .
>
>Silly question but - the routers at the other end are also SSO/NSF-aware
>right? You are aware both ends need support?
>
>Are you using the ports on the sup?
>
>I've benched our sup720s performing a switchover in well under a second,
>so you're definitely getting something wrong


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