[c-nsp] BGP router upgrade

Lars Eidsheim lhe at intellit.no
Tue Aug 16 20:07:02 EDT 2011


Thank you all for the feedback on the subject. It is much appreciated.

Looking at the facts that the sup720 engine will hold full bgp table and do 30 mpps (400 mpps with dfc), it beats the 3945 (982 kpps), npe-g2 (2 mpps)  it looks like a good investment compared to raw performance and needs. Among with the terms "installed and forgotten" and "ghetto fabulous" I assume the sup720-3bxl will suit my needs and budget. The ASR1k might be an alternative, I will ask for a quote.

To complement the setup, I would like to connect to two different transit providers and do local peering with maybe 30 peers using three or four gigabit interfaces (different IXes).

Some new questions are raising after feedbacks,
- Load times of the full BGP table will be higher than the NPE-G1/2 - do anyone know the respective load times? Do you expect to see 1 minute or 10 minutes?
- Do we benefit to use DFC at the linecards when traffic rate is low (guessing 5 to 10 mpps)? Will DFC still be recommended for my setup?
- Will the 7600/RSP720 be a better choice, still using 67xx linecards?

Thanks.

Lars Eidsheim

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