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Forum Discussion

F5rookie_01_137's avatar
F5rookie_01_137
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Nov 18, 2013

Loadbalance SMTP relay on F5 and exchange 2010

We are trying to use two Hub Transport servers to load balance all internal application relay. he is the problem I have run into. All connections made from F5 automatically connects to the default re...
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MVA's avatar
MVA
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Nov 19, 2013

When you disable SNAT, as Dayne mentioned, you must configure some additional routing so the pool members know to respond back through the F5. It sounds like right now your pool members are responding to the client, bypassing the VIP on the return path. The client doesn't expect a SYN from the pool member so send a RST.

 

We worked around this by using GTM instead of LTM. Hope this helps.