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fluzocapacitor's avatar
fluzocapacitor
Icon for Altostratus rankAltostratus
Jun 17, 2024

Querying SNMP data for half-open connections on a virtual server

Hello, I’m trying to monitor the embryonic/half-open connections for a particular VS on my F5 load balancer using SNMP.  I’ve read several articles, including ‘K00560557: Using SNMP information rel...
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F5_Design_Engineer's avatar
F5_Design_Engineer
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Hi Fluzocapacitor,

 

Please see the specific OID for your half-open connections 

1.3.6.1.4.1.3375.2.2.10.2.3.1.13 ltmVirtualServStatEphemeralPktsIn 0 0 The number of packets received ephemeral by the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.14 ltmVirtualServStatEphemeralBytesIn 0 0 The number of bytes received ephemeral by the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.15 ltmVirtualServStatEphemeralPktsOut 0 0 The number of packets transmitted ephemeral from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.16 ltmVirtualServStatEphemeralBytesOut 0 0 The number of bytes transmitted ephemeral from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.17 ltmVirtualServStatEphemeralMaxConns 0 0 The maximum ephemeral connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.18 ltmVirtualServStatEphemeralTotConns 0 0 The total ephemeral connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.19 ltmVirtualServStatEphemeralCurConns 0 0 The current ephemeral connections to the specified virtual server.

 

Check a reference for VIP OID  1.3.6.1.4.1.3375.2.2.10.2.3.1.1

http://oidref.com/1.3.6.1.4.1.3375.2.2.10.2.3.1.1

OID Name Sub children Sub Nodes Total Description
1.3.6.1.4.1.3375.2.2.10.2.3.1.2 ltmVirtualServStatCsMinConnDur 0 0 The minimum connection duration in milliseconds among all connections
through the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.3 ltmVirtualServStatCsMaxConnDur 0 0 The maximum connection duration in milliseconds among all connections
through the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.4 ltmVirtualServStatCsMeanConnDur 0 0 The average connection duration in milliseconds for all connections
through the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.5 ltmVirtualServStatNoNodesErrors 0 0 The number of no-node errors. If active server node is zero,
this counter is incremented.
1.3.6.1.4.1.3375.2.2.10.2.3.1.6 ltmVirtualServStatClientPktsIn 0 0 The number of packets received by the specified virtual server from client-side.
1.3.6.1.4.1.3375.2.2.10.2.3.1.7 ltmVirtualServStatClientBytesIn 0 0 The number of bytes received by the specified virtual server from client-side.
1.3.6.1.4.1.3375.2.2.10.2.3.1.8 ltmVirtualServStatClientPktsOut 0 0 The number of packets sent to client-side from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.9 ltmVirtualServStatClientBytesOut 0 0 The number of bytes sent to client-side from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.10 ltmVirtualServStatClientMaxConns 0 0 The maximum connections from client-side to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.11 ltmVirtualServStatClientTotConns 0 0 The total connections from client-side to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.12 ltmVirtualServStatClientCurConns 0 0 The current connections from client-side to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.13 ltmVirtualServStatEphemeralPktsIn 0 0 The number of packets received ephemeral by the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.14 ltmVirtualServStatEphemeralBytesIn 0 0 The number of bytes received ephemeral by the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.15 ltmVirtualServStatEphemeralPktsOut 0 0 The number of packets transmitted ephemeral from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.16 ltmVirtualServStatEphemeralBytesOut 0 0 The number of bytes transmitted ephemeral from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.17 ltmVirtualServStatEphemeralMaxConns 0 0 The maximum ephemeral connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.18 ltmVirtualServStatEphemeralTotConns 0 0 The total ephemeral connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.19 ltmVirtualServStatEphemeralCurConns 0 0 The current ephemeral connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.20 ltmVirtualServStatPvaPktsIn 0 0 The total number of hardware accelerated packets received by the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.21 ltmVirtualServStatPvaBytesIn 0 0 The total number of hardware accelerated bytes received by the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.22 ltmVirtualServStatPvaPktsOut 0 0 The total number of hardware accelerated packets sent out from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.23 ltmVirtualServStatPvaBytesOut 0 0 The total number of hardware accelerated bytes sent out from the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.24 ltmVirtualServStatPvaMaxConns 0 0 The maximum hardware accelerated connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.25 ltmVirtualServStatPvaTotConns 0 0 The total hardware accelerated connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.26 ltmVirtualServStatPvaCurConns 0 0 The current hardware accelerated connections to the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.27 ltmVirtualServStatTotRequests 0 0 The total number of requests going through the specified virtual server.
1.3.6.1.4.1.3375.2.2.10.2.3.1.28 ltmVirtualServStatTotPvaAssistConn 0 0 The total number of connections to the specified virtual server, which
are partially hardware accelerated.
1.3.6.1.4.1.3375.2.2.10.2.3.1.29 ltmVirtualServStatCurrPvaAssistConn 0 0 The current number of connections to the specified virtual server, which
are partially hardware accelerated.
1.3.6.1.4.1.3375.2.2.10.2.3.1.30 ltmVirtualServStatCycleCount 0 0 CPU cycle count since last system restart.
1.3.6.1.4.1.3375.2.2.10.2.3.1.31 ltmVirtualServStatVsUsageRatio5s 0 0 The percentage of time Virtual Server was busy over the last 5 seconds.
1.3.6.1.4.1.3375.2.2.10.2.3.1.32 ltmVirtualServStatVsUsageRatio1m 0 0 The percentage of time Virtual Server was busy over the last 1 minute.
1.3.6.1.4.1.3375.2.2.10.2.3.1.33 ltmVirtualServStatVsUsageRatio5m 0 0 The percentage of time Virtual Server was busy over the last 5 minutes.

 

 

Please mark it as SOLUTION if your query is answered as it helps others to find a solution as well for similar query.

Please let me know for any further discussion , i would be glad to assist you on F5 related topics.

HTH

🙏