[c-nsp] High CPU on Cisco 7606 (SUP2/MSFC2/PFC2) w GRE tunnels

[Gert Doering]

Hi,

On Wed, Jun 11, 2014 at 09:16:15PM +0200, Gert Doering wrote:
> On Wed, Jun 11, 2014 at 02:23:25PM -0400, Rich Davies wrote:
> > I am doing some troubleshooting on a Cisco 7606 in regards to high CPU
> > (between 50 and 75%).   When I do a "show proc cpu" I do not show any
> > processes that are using up the CPU.  The one thing we are doing
> > differently on this router is terminating about 4 GRE tunnels.  In addition
> > when I do a "show mls stats" I am showing the router is currently
> > processing about 500,000 PPS:
> 
> On that platform, ensure that the "tunnel source ..." address is *DIFFERENT*
> for each tunnel.

Uh.  Scrap that.  I see you already did so - but that is to make Sup720
hardware-switch GRE packets, not Sup2 or Sup-2T.

I'm not sure if Sup2 will *ever* do GRE in hardware.  It's not a tunnel
platform, it's an ethernet switch, with a not-so-fast CPU.

gert

-- 
USENET is *not* the non-clickable part of WWW!
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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