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Forum Discussion

Almassud_221797's avatar
Almassud_221797
Icon for Cirrus rankCirrus
Sep 13, 2018

Migrate to new default gateway

Hello, we are making some changes to our network and one of those changes is firewalls, so we now have to use a new default gateway.   I can change the default gateway on the unit itself, but we a...
application delivery
BIG-IP
iRules
Stanislas_Piro2's avatar
Stanislas_Piro2
Icon for Cumulonimbus rankCumulonimbus
Sep 14, 2018

Do you want to manage route to pool members or to respond clients?

 

Bigip use auto last hop for clientside routing. It means that the routing configuration is not used to send packets back to the client.

 

The last hop MAC address (firewall MAC address) is stored in connection table and used for response.

 

So all you have to manage is serverside connections.

 

It’s not recommended to use irule based routing because monitor will still use system routing

 

The best solution is to configure temp destination routing pool members by pool members (or network by network)