Understanding IP SLA Technology

IP SLA technology enables Cisco devices to generate and analyze traffic to nodes of your network. A Cisco device sends simulated data to another Cisco device ("IP SLA Responder") or a raw network node (such as a DNS server) and analyzes how long does the response take to be received, what does it contain, etc.

The core concept of IP SLA architecture is IP SLA test. A test can be set up and scheduled for execution by programming a Cisco device from console (what is manually done by system administrators) or via SNMP protocol (what Iotellect Network Manager does). The actual test execution is performed by Cisco device on a regular basis. Test results (i.e. values of measured metrics) are exposed via SNMP protocol. Those results are collected by Iotellect Network Manager, processed, stored in the database, and visualized on demand.

The Network Manager can manage and monitor thousands of tests executed by multiple Cisco devices.

IP SLA monitoring module uses the following definitions:

A device that creates and inserts IP SLA packets into the network. The source is where all IP SLA operation tests are initiated.

The final destination of the packets created and sent by the source.

The type of test being performed on the network.

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