Forum Discussion

richcol_318407's avatar
richcol_318407
Icon for Nimbostratus rankNimbostratus
Apr 24, 2017

NAT for Internal Servers for Internet Access - Default Route

Hello. I am a newbie with LTM so please excuse any misunderstanding of the technologies. I am trying to setup Internet access via the F5 Big IPs and as I understand it need to use the Forwarding IP v...
application delivery
LTM
Leonardo_Souza's avatar
Leonardo_Souza
Icon for Cirrocumulus rankCirrocumulus
Apr 24, 2017

How the device learn the default gateway should not be a problem. I am assuming you are not using route domains.

 

How the servers query DNS stuff? You are only doing port 80, so this virtual server will not pass DNS.

 

Can you take a packet capture and check what is happening? Basically, we need to understand if the traffic is reaching the F5, and if yes, where is stopping.

 

Check this solution for tcpdump:

 

https://support.f5.com/csp/article/K411

 

Check if you need to disable PVA, this solution explains why:

 

https://support.f5.com/csp/article/K6546