[c-nsp] BFD and no ip redirects ?

[Benjamin Lovell]

Agree but so does BFD in echo mode but echo also proves that the IP punt path to the CPU is working. So not that I see no value in BFD but I do not see any additional value of this mode over echo.

-Ben

On Dec 7, 2010, at 5:09 PM, Gert Doering wrote:

> hi,
> 
> On Tue, Dec 07, 2010 at 11:40:51AM -0500, Benjamin Lovell wrote:
>> I have a dubious opinion of the usefulness as you are really only
>> proving the forwarding of the ONE IP forwarding entry that leads
>> back to your connected IP, but that's the idea anyway.
> 
> Well, it proves that the path is working end-to-end (which helps a lot
> in todays "everything is ethernet, but no useful error signalling" 
> environments) and that there is at least a compatible IP configuration
> on the remote interface (same network or unnumbered with a proper route
> back).
> 
> Of course this is not a complete self-test of the remote machine, but
> that would be somewhat expensive to do every 10ms :-)
> 
> 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