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Forum Discussion

CSA's avatar
CSA
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Jun 08, 2010

TCP Window Full messages sent from BigIPs

Hi, I've a BigIP LTM 1500 cluster runing 9.4.1 (I have the same problem with another cluster running 10.2.0 on 6800 HW). I have a firewall cluster in front of my BigIPs. Here is the situation: - a...
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SLowes_85801's avatar
SLowes_85801
Icon for Nimbostratus rankNimbostratus
Nov 27, 2011
It maybe related to TCP Window Scaling - some routers/firewalls/etc can break connectivity for TCP sessions with window scaling enabled... usually old equipment or through misconfiguration.

 

 

You could try disabling the WAN optimized profile on the F5 VIP (or setup a separate VIP for testing perhaps). Or if you have access to one of the clients which is not working, try disabling Window Scaling on that as a test.