[c-nsp] High CPU utilization on sup720 with GRE

[Jared Mauch]

Also look at turning on mls mpls tunnel-recirc

This will work around a hardware bug that could black hole traffic in some cases. Use this even without mpls. 

Jared Mauch

On Mar 24, 2013, at 7:06 AM, Samir Abidali <samir.abidali at gorannet.net> wrote:

> Hi All
> 
> Can you somebody help me in understanding whey GRE tunnel Cisco WS-SUP720-3BXL , with two GRE tunnel configured will spike the cpur to 99% when the traffic goes beyond 30mbps.
> 
> 
> According to documentation, the GRE is hardware accelerated, please note that the two tunnel interface has two different source interface ( SVI source ip address  )
> 
> Appreciate your support.
> 
> 
> 
> Thank you
> 
> Best Regards
> Samir Abid Ali
> Core Network Manager
> Gorannet ISP
> Mobile:07703-587-625
> Office:053 5111 000 ext. 1032
> 
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