[c-nsp] L2TPv3 process switched?

[Bruce Pinsky]

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Bruce Robertson wrote:
> I'm looking for some help with L2TPv3.  I can't seem to figure out how to get 
> it to not be process switched, but I also can't find any references anywhere 
> saying that it isn't CEF switched.  Here's my basic problem:
> 
> CPU utilization for five seconds: 72%/38%; one minute: 72%; five minutes: 73%
>   PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>    56    80450508  24141894       3332 33.07% 33.56% 34.39%   0 IP Input
> 
> 
> My environment consists of a 3662 at one end of the tunnel, and a 3640 at the 
> other.  (I know, part of my problem may be that L2TPv3 isn't officially 
> supported on this platform.)  Both routers are running 12.4(8).
> 

Is the processor load profile the same on both the 3662 and the 3640?  Is
the output above from the 3640?

The 3662 is officially supported as of 12.3(2)T.  See:

http://www.cisco.com/en/US/products/ps6350/products_configuration_guide_chapter09186a00804420e7.html


If you use a loopback interface as the local interface on the 3640, does it
make a difference in the CPU load?


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bep

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