IP Service Level Agreement
Source-responder model
Ability to analyze actual network performance over time, under very specific conditions, to measure performance, avert outages, evaluate QoS performance and identify problems.
Measurement Parameters
Delay - one way round trip
Jitter - directional
Packet Loss - directional
Packet Sequencing
Path - per hop
Connectivity - udp echo; icmp echo; icmp path echo; tcp connect
Downtime - server/website
Voice-quality Metrics - MOS
Configuration
config# ip sla monitor 1
config-sla-monitor# type udpEcho dest-ipaddr 200.1.200.9 dest-port 1330
config-sla-monitor# frequency 5
config# ip sla monitor schedule 1 life 86400 state-time now
config# ip sla key-chain (md5 auth)
config# ip sla monitor responder (responder)
View/Debug Commands
show ip sla monitor statistics
show ip sla monitor
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