IP SLA

IP SLA IS A CISCO IOS FEATURE THAT ALLOWS YOU TO MONITOR THE PERFORMANCE OF YOUR NETWORK. IT CAN BE USED TO MEASURE THINGS LIKE LATENCY, JITTER, AND PACKET LOSS. IP SLA WORKS BY SENDING A PROBE FROM ONE DEVICE TO ANOTHER AND MEASURING THE TIME IT TAKES FOR THE PROBE TO TRAVEL FROM THE SENDER TO THE RECEIVER AND BACK.

IP SLA IS A VALUABLE TOOL FOR NETWORK ADMINISTRATORS TO MONITOR THE PERFORMANCE OF THEIR NETWORK. IT IS A RELATIVELY SIMPLE TOOL TO CONFIGURE AND USE, BUT IT IS IMPORTANT TO BE AWARE OF ITS LIMITATIONS BEFORE DEPLOYING IT IN A NETWORK.

HERE ARE SOME OF THE BENEFITS OF USING IP SLA:

IT CAN BE USED TO MONITOR A VARIETY OF NETWORK PATHS AND APPLICATIONS.

IT CAN BE USED TO IDENTIFY PERFORMANCE PROBLEMS AND TROUBLESHOOT NETWORK ISSUES.

IT CAN BE USED TO ENSURE THAT YOUR NETWORK IS MEETING YOUR SERVICE LEVEL AGREEMENTS.

HERE ARE SOME OF THE LIMITATIONS OF IP SLA:

IT CAN BE USED TO MEASURE ONLY A LIMITED NUMBER OF PERFORMANCE METRICS.

IT CAN BE RESOURCE-INTENSIVE, ESPECIALLY IF IT IS USED TO MONITOR A LARGE NUMBER OF NETWORK PATHS.

IT CAN BE DIFFICULT TO TROUBLESHOOT PROBLEMS WITH IP SLA.

CONFIGURATION IP SLA

IP ADDRESS APPLY ALL THE INTERFACES ON TOPOLOGY DEVICES.

APPLY ROUTER RIP

GO TO ROUTER 1

Confg# IP SLA MONITOR 1

Confg# type echo protocol ipicmpecho 214.14.14.0 source-ip 219.19.19.1

Confg# frequency 6

Confg# timeout 2000

Confg# threshold 2000

Confg# exit

Confg# ip sla monitor schedule 1 start-time now lifeforever

# sh ip sla monitor statistcs

Confg# track 1 rtr 1 reachability

Confg# exit

Confg# no ip route 214.14.14.0 219.19.19.1

Confg# ip route 214.14.14.0 219.19.19.1 track 1

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