Forum Discussion
smp_86112
Cirrostratus
CirrostratusTCP Window Size on Forwarding (IP) Virtual Server
We recently found that our LTMs are significantly throttling application performance because the TCP window sizes on our default TCP profile are 8k.
Now I'm engaged in troubleshooti...
dennypayne
Employee
EmployeeI'm not sure if a forwarder uses default window sizing or not (would be a good support question) but you are correct that there is no way to manipulate the window sizing in a FastL4 profile other than changing the TCP Window Scale Model to "Strip" (which I'm not sure what good that would do). Interestingly on a 9.4.3 box I'm looking at the online help also says you can set it to "Rewrite" however that option is not actually available in the drop-down box. That may be a bug in the help or the GUI, not sure which. I'm thinking this definitely deserves a support case to clarify this.
Denny
