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Home > Success Center > VoIP & Network Quality Manager (VNQM) > VNQM 4.4 Administrator Guide > IP SLA Management > Configuring devices for IP SLA operations

Configuring devices for IP SLA operations

Cisco IP Service Level Agreements (IP SLAs) are the primary means by which SolarWinds VoIP and Network Quality Manager acquires information about the performance of your network. The process of configuring a device for IP SLA can involve numerous command line operations on each router. To help you easily configure your devices, SolarWinds VoIP and Network Quality Manager can automatically add IP SLA operations to your network devices and start monitoring those operations immediately.

Configuring devices for ICMP echo path operations

Devices where you want to monitor ICMP echo path operations must be manually configured. VNQM reads hop results from history data. Therefore, the operation needs to be configured to save data to the history table.

To enable history data support, configure the following items:

  • History filter (all)
  • Number of buckets kept (min value: 1)
  • Number of samples kept (max value: 30)
  • Lives of history kept (min value: 1)

To configure history data support, follow the directions based on your IOS version on the Cisco website.

To check history configuration, use one of the following commands (depending on your IOS version):

sh ip sla history??full
sh ip sla monitor history??full
sh rtr history??full

When history is properly configured, the output resembles the following:

Entry number: 55
Life index: 1
Bucket index: 4
Sample index: 1
Sample time: *08:08:19.278 UTC Tue Aug 24 1993
RTT (milliseconds): 5
Response return code: OK
Target address: 10.199.254.5

Life index: 1
Bucket index: 4
Sample index: 2
Sample time: *08:08:19.286 UTC Tue Aug 24 1993
RTT (milliseconds): 1
Response return code: OK
Target address: 10.199.254.2

Life index: 1
Bucket index: 4
Sample index: 3
Sample time: *08:08:19.286 UTC Tue Aug 24 1993
RTT (milliseconds): 1
Response return code: OK
Target address: 10.199.2.3

 
Last modified
08:26, 13 Apr 2017

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