ip sla config examples

ip sla 1

tcp-connect 192.168.0.1 23 control disable (use telnet port)

ip schedule 1 start-time now life forever

sh ip sla stat

ip sla

tcp-connect 192.168.0.1 5555 source-ip 192.168.0.2 control enable (standard port)

R2

ip sla responder

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ip sla 2

icmp-echo 192.168.0.2 source-ip 192.168.0.1

freq 5

ip schedule 2 start-time now life forever

can use with the track object to change routes 

track 2 ip sla 2

sh track

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udp-echo

ip sla 3 

udp-echo 192.168.0.2 5000

freq 5

ip schedule 3 start-time now life forever

R2

ip sla responder udp-echo

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ip access-list extended SLA (acl if you want to see the ef packets going up)

permit ip any any dsp ef

permit ip any any

int fa0/0

ip access-group SLA in

int s0/1 

ip access-group SLA in

ip sla udp-jitter config

ip sla 4

udp-jitter 192.168.0.2 6000 g729a control enable

freq 5

ip schedule 4 start-time now life forever

show ip sla stat 1