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Chura_16140's avatar
Chura_16140
Icon for Nimbostratus rankNimbostratus
Nov 15, 2012

DNS Query - reply from unexpected source

Hi Guys,   I'm new to F5, and something annoy me i can't find why it happen.   My topology:   Network (Public IP - Pretend its 100.100.100.0/24) --> Switch Stack --> LAG --> Viprion LTM -->...
basic
getting started
new to f5
What_Lies_Bene1's avatar
What_Lies_Bene1
Icon for Cirrostratus rankCirrostratus
Nov 16, 2012
OK, it the packet is arriving on the external interface with a different source port, it's not the F5 changing it. If it was, it would be 53 on the external and then something else on the internal. If that's not the case, I'd be looking for a cause 'North' of the F5.