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Forum Discussion

Network_center1's avatar
Network_center1
Icon for Nimbostratus rankNimbostratus
Nov 04, 2019

Slow FTP connection behind F5

Hello there,   I have an issue I don't understand.   Some customers connect on one of our FTP server behind the F5. Public IP of the virtual server on port 21 > default pool > one server por...
application delivery
BIG-IP
Network_center1's avatar
Network_center1
Icon for Nimbostratus rankNimbostratus
Nov 18, 2019

The issue is only via F5 ^^

 

I opened your link and don't understand much '^^

PeteWhite's avatar
PeteWhite
Icon for Employee rankEmployee
Nov 18, 2019
Take a tcpdump to see where the issue is, there is no point guessing. Then you can define the problem better and target your investigation. I mentioned DNS before because the server often uses DNS to resolve the name of the incoming IP address. If it can’t do that eg SNAT then it can cause a delay on the server