[c-nsp] How many maximum routes does Cisco 2900 router support?

[Robert Hass]

On Fri, Jan 8, 2016 at 3:23 PM, Adam Greene <maillist at webjogger.net> wrote:

> Our 2921 with a full routing table, 2GB RAM, and around 60M aggregate
> throughput hovers around 40-50% CPU utilization, with occasional higher
> spikes. When we were pushing >100M aggregate through it, the CPU was
> regularly spiking to near 100%.
>

Can you put 'show proc cpu history' and what IOS you're running ? How many
full-routing tables you're receiving from neighbors ?


>
> We have another one with multiple BGP sessions, 512MB RAM, but only a few
> actual routes. However, we are also running QoS policies on it, including
> NBAR. When aggregate throughput gets up near 100M, CPU tends to spike above
> 90%.
>

NBAR is very CPU consuming operation.

Rob