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Forum Discussion

CR_266055's avatar
CR_266055
Icon for Nimbostratus rankNimbostratus
May 27, 2016

Slow File upload and download Speeds via F5 BigIP

We have encountered a lowness issue for file upload/download. We tested our application in the IIS web server and it is super fast. Once we go through F5, it becomes extremely slow. Can anyone sha...
application delivery
BIG-IP
Yann_Desmarest_'s avatar
Yann_Desmarest_
Icon for Nacreous rankNacreous
May 27, 2016

Hi,

 

Can you check if tcp profile attached to the virtual server don't use nagle algorithm ?

 

There is also bufferand timeout settings you can play with at the tcp and http level.

 

Do you have an asm security policy activated on your VS ?

 

I recommend to run a fiddler on the client side to verify where is the pain

 

CR_266055's avatar
CR_266055
Icon for Nimbostratus rankNimbostratus
May 27, 2016
we did fiddler and cannot see anything obvious. I found an article 2009 on this site that is similar but no specific configuration mentioned just saying F5 is the issue.