[c-nsp] IP SLA monitoring

[Rodney Dunn]

Some of the options under the SLA's confuse me. 

But can't you set the frequence down to 1 second under
the probe?

frequency 1

Rodney



On Wed, Nov 22, 2006 at 03:35:26PM +0000, Jee Kay wrote:
> Is there any way to do 'continuous' monitoring with IP SLA? All the
> commands I've found so far require you to effectively specify a
> duration and a restart interval, meaning that you end up with a
> significant amount of time where there is no monitoring happening.
> 
> Specifically, if I configure something like:
> ip sla monitor 1
>  type jitter dest-ipaddr 1.1.1.1 dest-port 16001 codec g711alaw
>  threshold 30
>  tag mspces002e
> ip sla monitor schedule 1 life forever start-time now
> 
> that actually sends 1000 packets every 60 seconds; with my RTT, that
> works out to roughly 30 seconds of coverage (from show ip sla oper:
> RTTSum: 29005) but that also means we could actually have an outage of
> almost 30 seconds without it showing up in the SLA results.
> 
> Anyone have any ideas how to get around that? I've tried to set it up
> so that RTT*packets ~= interval, but you either end up with overlaps,
> which means a test period is completely skipped, or a gap between the
> two which means a period doesn't get monitored.
> 
> Thanks,
> Ras
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