[c-nsp] A few very Quick IP SLA questions

[Andrew Hoyos]

On Sun, Jul 18, 2010 at 6:15 AM, Mikael Abrahamsson <swmike at swm.pp.se> wrote:
> On Sun, 18 Jul 2010, Ziv Leyes wrote:
>
>> Wouldn't the source issue be solved if you use
>>  type echo protocol ipicmpEcho x.x.25.97 source-interface Giga0/1
>> instead of source-ip?
>
> Afaik that doesn't affect outgoing packets, one has to run to separate IPs
> at the other end as well, and route those hosts out different interfaces if
> one wants to make sure that incoming and outgoing packets should happen on a
> specific interface.
>
> Does policy based routing work on traffic originated by the router itself?
> Then that might be a way as well...

Packets generated by the device itself aren't policy routed in a normal sense.

You can use local policy based routing to handle those, however, with
a specific route map.
http://cisco.biz/en/US/docs/ios/12_2/qos/configuration/guide/qcfpbr_ps1835_TSD_Products_Configuration_Guide_Chapter.html#wp1001002

I've used this in the same context to check endpoints via IP SLA, via
specific links (not following normal routes).

Thanks,
AH