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Ankur_5273's avatar
Ankur_5273
Icon for Nimbostratus rankNimbostratus
Jan 10, 2015

Routing LTM data traffic among 2 interfaces

Hi Experts   If one interface (1.1) of LTM is passing data traffic , is it possible that data traffic from another interface (1.2) can send the traffic to 1.1 ? If yes please let me know how the r...
James_Thomson_0's avatar
James_Thomson_0
Historic F5 Account
Jan 12, 2015

Ankur, In your scenario, is interface 1.1 tied to vlan1 and interface 1.2 tied to vlan2 ?

 

By default, the BIG-IP won't route between subnets unless there is a virtual server directing it to do so. If you had a scenario like this: vlan1 (1.1) - self 10.10.10.0/24 vlan2 (1.2) - self 20.20.20.0/24 and you wanted traffic to go from vlan1 to vlan2, then you would create a forwarding virtual server where the destination is the subnet tied to vlan2.

 

Virtual Server: Destination 20.20.20.0/24 type forwarding.

 

That would allow traffic destined for 20.20.20.0/24 to follow the routing table.

 

If you wanted to limit it to only traffic FROM vlan1 can go to vlan2, then in that virtual server, enable it only on vlan1.

 

More information on forwarding virtuals: https://support.f5.com/kb/en-us/solutions/public/7000/500/sol7595.html