For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

Mgullia_176222's avatar
Mgullia_176222
Icon for Nimbostratus rankNimbostratus
Apr 23, 2015

Confine peristence table to one TMM and one SLOT to a viprion multiblade chassis

Hi to all, a customer need to have a Single Node Persistence configuration for a virtual service. I've followed the irule as listed here: https://devcentral.f5.com/wiki/iRules.SingleNodePersistence.a...
application delivery
deployment
devops
iRules
LTM
nitass's avatar
nitass
Icon for Employee rankEmployee
Apr 23, 2015

what about carp persistence?

sol11362: Overview of the CARP hash algorithm

https://support.f5.com/kb/en-us/solutions/public/11000/300/sol11362.html 
 configuration

root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm virtual bar
ltm virtual bar {
    destination 172.28.24.10:80
    ip-protocol tcp
    mask 255.255.255.255
    pool foo
    profiles {
        tcp { }
    }
    rules {
        qux
    }
    source 0.0.0.0/0
    source-address-translation {
        type automap
    }
    vs-index 39
}
root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm pool foo
ltm pool foo {
    members {
        200.200.200.101:80 {
            address 200.200.200.101
        }
        200.200.200.102:80 {
            address 200.200.200.102
        }
        200.200.200.111:80 {
            address 200.200.200.111
        }
        200.200.200.112:80 {
            address 200.200.200.112
        }
    }
}
root@(ve11c)(cfg-sync In Sync)(Active)(/Common)(tmos) list ltm rule qux
ltm rule qux {
    when CLIENT_ACCEPTED {
  persist carp 1
}
when SERVER_CONNECTED {
  log local0. "c=[IP::client_addr]:[TCP::client_port] s=[IP::server_addr]:[TCP::server_port]"
}
}

 /var/log/ltm

[root@ve11c:Active:In Sync] config  tail -f /var/log/ltm
Apr 23 20:47:32 ve11c info tmm[5649]: Rule /Common/qux : c=172.28.24.8:38656 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm1[5649]: Rule /Common/qux : c=172.28.24.8:38657 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm[5649]: Rule /Common/qux : c=172.28.24.8:38658 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm1[5649]: Rule /Common/qux : c=172.28.24.8:38659 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm[5649]: Rule /Common/qux : c=172.28.24.8:38660 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm1[5649]: Rule /Common/qux : c=172.28.24.8:38661 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm[5649]: Rule /Common/qux : c=172.28.24.8:38662 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm1[5649]: Rule /Common/qux : c=172.28.24.8:38663 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm[5649]: Rule /Common/qux : c=172.28.24.8:38664 s=200.200.200.101:80
Apr 23 20:47:32 ve11c info tmm1[5649]: Rule /Common/qux : c=172.28.24.8:38665 s=200.200.200.101:80