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Version 4.x Code MRTG Configs
The metrics in this section are metrics that are inclusive of the entire BIG-IP®, rather than individual components such as virtual servers or nodes. There is also a section on individual metrics.
Bandwidth out of Each Interface
Bandwidth out of each interface is part of the standard IF-MIB, and the standard cfgmaker script supplied with MRTG will provide you with a configuration for all of the Ethernet interfaces. This is the same no matter what version of code you are running.
Connections Per Second
Connections per second are the most important metric to keep track of for any load balancer as it is typically the most resource-intensive, especially for web sites with small files and a high rate of connections.
Target[bigip1_ConnRate]: 184.108.40.206.4.1.33220.127.116.11.2.12.0&18.104.22.168.4.1.3322.214.171.124.2.12.0:public@bigip1 MaxBytes[bigip1_ConnRate]: 2000 AbsMax[bigip1_ConnRate]: 8000 Options[bigip1_ConnRate]: growright Title[bigip1_ConnRate]: bigip1 - Connections per Second PageTop[bigip1_ConnRate]: <H1>Connections Per Second This server is a BIG/ip® </H1> <TABLE> <TR><TD>System:</TD><TD>bigip1</TD></TR> <TR><TD>Maintainer:</td><td>tony</TD></TR> <TR><TD>Object:</TD><TD>Connections/Sec - 126.96.36.199.4.1.33188.8.131.52.2.12.0</TD></TR> </TABLE> YLegend[bigip1_ConnRate]: connections/s ShortLegend[bigip1_ConnRate]: connections/s Legend1[bigip1_ConnRate]: connections/s Legend2[bigip1_ConnRate]: LegendI[bigip1_ConnRate]: con/s: LegendO[bigip1_ConnRate]:
Another very useful metric to trend is the total number of concurrent connections. This counts the number of sessions the BIG-IP® is handling, which are the open TCP sessions that users have established. UDP isn't included in this of course, as UDP is a connectionless protocol.
Target[bigip1_CurrentConn]: 184.108.40.206.4.1.33220.127.116.11.2.10.0&18.104.22.168.4.1.3322.214.171.124.2.10.0:public@bigip1 MaxBytes[bigip1_CurrentConn]: 100000 AbsMax[bigip1_CurrentConn]: 1000000 Options[bigip1_CurrentConn]: gauge,growright,nopercent Title[bigip1_CurrentConn]: bigip1 - Current Active Connections PageTop[bigip1_CurrentConn]: <H1>Current Active Connections server is a BIG/ip® </H1> <TABLE> <TR><TD>System:</TD><TD>bigip1</TD></TR> <TR><TD>Maintainer:</td><td>tony</TD></TR> <TR><TD>Object:</TD><TD>Current Active Connections 126.96.36.199.4.1.33188.8.131.52.2.10.0</TD></TR> </TABLE> YLegend[bigip1_CurrentConn]: current conn ShortLegend[bigip1_CurrentConn]: connections Legend1[bigip1_CurrentConn]: connections Legend2[bigip1_CurrentConn]: LegendI[bigip1_CurrentConn]: conn: LegendO[bigip1_CurrentConn]:
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