[c-nsp] Router recommendation for load balancing setup

Cyrill Malevanov cm at n-home.ru
Tue Jan 19 18:48:51 EST 2010


If you reduce the number of BGP routes to 12000 your 3550-12T will handle two GigE uplinks with no CPU impact. Just use the correct SDM template.

On Jan 19, 2010, at 10:30 PM, Hector Herrera wrote:

> Hello,
> 
> I'm looking for a router that can:
> 
> - handle load-balancing on two 100Mbps links with minimal cpu impact
> - must have at least 4 ports, at least 2 of which should be GigE and
> the other two must support FE or GigE
> - BGP with 25,000 routes
> 
> My budget is small (under $2,000) so I'm probably looking for EOL/EOS products.
> 
> I'm currently using a 3550-12t for the task, with the only drawback
> that the cpu hits 99% load with a 5000 packets per sec./40Mbps
> combined throughput on the load-balanced links.  The two 100Mbps
> uplinks never reach more than 50% utilization because the router can't
> handle the load.
> 
> I would like to be able to handle up to 80% utilization on the 100Mbps links.
> 
> Thank you for your suggestions,
> 
> Hector
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