Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

swjo_264656's avatar
swjo_264656
Icon for Cirrostratus rankCirrostratus
Feb 27, 2018

How can I effectively reduce LTM VIP / Pool settings?

Hi guys. I`m planning to reduce LTM configuration effectively. I thought available things but not so good. are there any other method, please give me advice. Requirements only 1 VIP and servic...
application delivery
devops
LTM
eben's avatar
eben
Icon for Nimbostratus rankNimbostratus
Feb 27, 2018

You can create 40 pools and 1 VIP with a service port of *. then switch application traffic based on TCP::local_port to the backend pools.

when CLIENT_ACCEPTED {
    switch -exact [TCP::local_port] {
        "8080" {
            pool 8080_pool
            }
        "8090"{
            pool 8090_pool
        }
        "nnnn" {
            pool nnnn_pool
        }
    }
}

HTH

eben's avatar
eben
Icon for Nimbostratus rankNimbostratus
Feb 27, 2018

You can create just 1 pool with with members listening on all ports (*) but then, application specific health check you mentioned will not be possible. Would you be willing to tradeoff performance for manageability? Also if you decide to create one wildcard pool, the irule won't be needed.

 

HTH