I need help in completing this configuration

Yes i was running pings to IP address 10.10.168.2 which is the internal interface on the BIG IP i was working on, and yes interfaces 1.2 and 1.3 are my production interfaces.

Here is the output for vlans you requested

login as: root

Using keyboard-interactive authentication.

Password:

Last login: Tue May 20 13:40:20 2014 from 10.10.168.14

[root@imm:Active:In Sync] config tmsh list net vlan

net vlan HA {

if-index 1072

interfaces {

    1.1 {

        tagged

    }

}

tag 4092

}

net vlan external {

if-index 1056

interfaces {

    1.3 { }
}

tag 4093

}

net vlan internal {

if-index 1040

interfaces {

    1.2 { }
}

tag 4094

}

[root@imm:Active:In Sync] config

and on the Cisco switch i have vlans 10,20 and 50. The 10.10.168.0 network is in vlan 50 on the Cisco switch.