Forum Discussion

richaed's avatar
richaed
Icon for Cirrus rankCirrus
Feb 12, 2026

LB Connection Limit Detection Method

We have set a connection limit on the load balancer. If there is a way to detect when the upper limit of the connection limit is exceeded, please let us know. We are considering detection via log mo...
BIG-IP
F5
LTM
richaed's avatar
richaed
Icon for Cirrus rankCirrus
Feb 12, 2026

Is it possible to monitor the number of connections per VS unit using SNMP traps or resource monitoring?

  • Paulius's avatar
    Paulius
    Icon for MVP rankMVP
    Feb 14, 2026

    I believe the OID you're looking for is the following but I'm not 100% because I haven't had a chance to test this on my lab F5.

    .1.3.6.1.4.1.3375.2.2.10.13.2.1.3

    The following is something you can check out.

    https://my.f5.com/manage/s/article/K13322

    Additionally, you can pull the MIB information directly from your device to see everything that applies to your specific code version.

    • richaed's avatar
      richaed
      Icon for Cirrus rankCirrus
      Feb 15, 2026

      Thank you.

      When I checked the status of the relevant virtual server via the GUI during the connection limit, it was displayed as yellow.

      Can you set up an alert to trigger when the value for the following OID becomes 2 (yellow)?

      .1.3.6.1.4.1.3375.2.2.10.13.2.1.2

      • Paulius's avatar
        Paulius
        Icon for MVP rankMVP
        Feb 16, 2026

        This would be highly dependent on your snmp monitoring tool. I would imagine you should be able to since most snmp monitoring software have custom thresholds and you should be able to configure your range to alert on.