[c-nsp] IP SLA - "dns operation: Error code=4"

[Giles Coochey]

> 
> I had one similar where the source IPs being used from CLI and SLA
were
> different.
> 
> The CLI source was correctly set to a mgmt loopback which did have
access
> to
> DNS & the internet. The SLA monitor was using a source that didn't -
fixed
> by specifying the source for the SLA probe.
> 

That was worth a try, but unfortunately didn't resolve the problem. The
bug Oliver mentioned looks to have hit this on the head, and while
12.2(31)SB10 isn't listed, many are affected and it does mention that it
may affect other devices other than the 3550.
Yet another small reason to convince the powers that be to get Smartnet
for this device (7304).