[c-nsp] sup720 ICMP redirects "once per second"

[Calin Chiorean]

Hello,

Maybe this can help a little bit?

http://www.cisco.com/en/US/docs/ios/12_1t/12_1t3/feature/guide/dt_hsrpi.html#wp1027154

Cheers,
Calin

On 02/11/2013 05:22 PM, Phil Mayers wrote:
> On 11/02/13 15:18, Tassos Chatzithomaoglou wrote:
>> "show standby redirect" should provide some info.
>
> Not that I can see:
>
> Interface    Redirects Unknown   Adv      Holddown
> VlXXX        enabled   enabled   30       180
>
> Active       Hits  Interface Group Virtual IP            Virtual MAC
> local        0     Vl9       0     x.x.x.1 0000.0c9f.f000
>
>> Since these redirects are controlled by HSRP (which changes the 
>> internal IPs), maybe there is no way to change their
>> interval.
>
> Maybe. The specific thing I'm interested in is understanding how the 
> forwarding happens, and what path the punts take (via CoPP, MLS 
> limits, or other); I'm assuming from the lack of CPU problems on this 
> box that the PFC/DFC is forwarding the packets, except for the ones it 
> is leaking to the CPU, but I can't be sure.
>
>> There is a command to disable them though.
>
> Maybe, but I want to understand the problem before I do that, and to 
> do that, I need to understand the path the packets take through the box.
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