Forum Discussion
Steve_Carroll_1
Dec 04, 2014Nimbostratus
Why is my F5 dropping telnet on port 25 for one network?
I have configured SMTP on my LTM (11.4.1) and have configured a SNAT of 10.229.104.37 so all connections from the LTM are sent with this address and I have no iRule configured.
If telnet 10.229....
What_Lies_Bene1
Dec 04, 2014Cirrostratus
Probably a routing issue. Perhaps asynchronous routing?
Does the SMTP server have multiple network interfaces?
Is there the possibility that inbound traffic from the external subnet enters on one VLAN on the F5 and outbound on another?
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