[c-nsp] 6500 router hangs (IPV4 routing slows to a crawl) when IPV6 routing is enabled with VRFs.

[Dale W. Carder]

On Jun 13, 2012, at 8:03 AM, Jim Trotz wrote:
> 
> if you notice in the above CLI output " The slot 5 is busy, try later.
> Status = 8" this is because the SP goes to 99% cpu utilization on the "CFIB
> LC QUEUE BO" process for about 5 minutes.
> 
> I am going to try (in our lab) to reconfigure the box to put the Internet
> routes in the global table and the "inside" routes in a VRF (swap the
> tables).

I'd be curious to the results.  

Deep down inside, I'm thinking that this cpu busyness as the tcam 
gets reprogrammed with 500k entries all at once might just be 
expected behavior on the sup720.

Dale