[c-nsp] Router recommendation for load balancing setup

[Cord MacLeod]

On Jan 19, 2010, at 3:48 PM, Cyrill Malevanov wrote:

> 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.

Seconded. I use 3550s in my network.  24k is the maximum unicast route table limit that Cisco publishes, this is why your router is falling over.  If possible aggregate the routes.

> 
> 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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