It depends on your requirement, when used with a tracked object you can specify a delay down seconds on the tracked object. Hence, if the object doesn't recover on the delay period it goes down. If it does recover it stays up. If your frequency is five seconds, you want three attempts, you could specify 15 seconds delay down.

Is that suitable?

Would be interested if someone replies with a way within the ip sla... Looked for this myself...

Sent from my iPhone

On 23 Aug 2010, at 17:44, bobby 7010 <[email protected]> wrote:

Hi all,

I would like to configure the IP SLA feature to send an ICMP echo every 5 seconds but only declare the state as down after 3 missed responses (i.e. more like an IGP holdtime)

I have tried to change the frequency/timeout/threshold values without success:

R1(config)#ip sla monitor 1
R1(config-sla-monitor)#type echo protocol ipIcmpEcho 1.1.1.1
R1(config-sla-monitor-echo)#frequency 5
R1(config-sla-monitor-echo)#timeout 15000
%Illegal Value:  Cannot set Timeout to be greater than Frequency

The threshold value is also not working as I expected? Is it possible toconfigure IP SLA to behave more like an IGP keepalives? I.e. to allow more than one missed hello?

Cheers
Bob
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