Forum Discussion

swiss2000_13853's avatar
swiss2000_13853
Icon for Nimbostratus rankNimbostratus
Nov 23, 2009

SNAT pool and persistence

Hi all!     I have a LTM-setup (10.0.1) with a SNAT Pool containing 5 ip addresses. So each connection uses the next SNAT address (round robin).     But for persistent connection...
config
design
hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Apr 14, 2011
I figured out that using a hash on the full client IP should give a better distribution across the SNAT addresses compared with using getfield to parse a single octet. The CPU usage is virtually the same as getfield. The rule is here:

 

 

http://devcentral.f5.com/wiki/default.aspx/iRules/snat_pool_persistence

 

 

Aaron