Differences between revisions 2 and 3
Revision 2 as of 2010-12-20 09:49:50
Size: 895
Editor: PieterSmit
Comment: Add instructions for SLA monitor setup using Cacti, now i need to test it.
Revision 3 as of 2010-12-20 13:31:00
Size: 1883
Editor: PieterSmit
Comment: add udp jitter
Deletions are marked like this. Additions are marked like this.
Line 9: Line 9:
 * http://www.cisco.com/en/US/docs/ios/12_4/ip_sla/configuration/guide/hsthresh.html
   * {{{
         At times of high
         network activity, an ICMP ping test often shows a long and inaccurate response time, while an Cisco IOS
         IP SLAs test shows an accurate response time due to the time stamping on the responder.
     }}}
Line 20: Line 27:
   1. Setup IpSla on cisco router.
     * # ip sla monitor reaction-configuration 10 react mos threshold-type immediate threshold-value 490 250 action-type trapOnly
     * ip sla monitor responder or ip sla responder
     * ip sla 27
       (config-ip-sla)#path-echo 172.27.240.8
       (config-ip-sla-pathEcho)#
       (config)#ip sla schedule 27 life forever start-time now

     * ip sla 27002
       (config-ip-sla)#udp-jitter 172.27.240.8 16384 codec g729a source-ip 172.17.240.5
                       tag Klerksdorp_7_Harties_Bank{udp-jitter}
       ip sla schedule 27002 life forever start-time now

    

Cisco IP SLA services

  • Use the cisco router as a remote probe to do measurements.

Cacti Monitoring of Cisco IP SLA

  • http://www.cisco.com/en/US/docs/ios/12_4/ip_sla/configuration/guide/hsthresh.html

    •          At times of high
               network activity, an ICMP ping test often shows a long and inaccurate response time, while an Cisco IOS
               IP SLAs test shows an accurate response time due to the time stamping on the responder. 
  • Setup from http://forums.cacti.net/about19542.html

    1. Unzip mibs, and  $ sudo cp *.my /usr/share/snmp/mibs/ 

    2.  sudo cp cisco_saa.xml /usr/share/cacti/resource/snmp_queries/ 

    3. Import cacti_data_query_cisco_ip_sla_statistics.xml
    4. Setup IpSla on cisco router.

      • # ip sla monitor reaction-configuration 10 react mos threshold-type immediate threshold-value 490 250 action-type trapOnly
      • ip sla monitor responder or ip sla responder
      • ip sla 27
        • (config-ip-sla)#path-echo 172.27.240.8 (config-ip-sla-pathEcho)# (config)#ip sla schedule 27 life forever start-time now
      • ip sla 27002
        • (config-ip-sla)#udp-jitter 172.27.240.8 16384 codec g729a source-ip 172.17.240.5
          • tag Klerksdorp_7_Harties_Bank{udp-jitter}
          ip sla schedule 27002 life forever start-time now

...

cisco/IpSla (last edited 2017-11-08 19:28:19 by PieterSmit)