[c-nsp] 6500's SLA check feature

[Nick Hilliard]

On 12/04/2011 17:06, Greg Whynott wrote:
> the "ip sla monitor" feature set in 6500's.   are these 'safe' to use
> from a system resource contention perspective if you have several (@60)
> defined?    is the code executed on dedicated silicon?    are they
> reliable or would it be better to not use them and rely on a dedicated
> to the task box?

These are run on the RP.  If you have 60, you may want to create a 
dedicated beacon / probe system, because the CPU on a sup720 is pretty 
slow.  What's going to happen if your BGP process chews up all CPU due to 
bad churn?  Is that going to impact on your SLA stats?

Remember, you're trying to measure the performance of the forwarding plane 
on your routers, not the management plane.

Nick