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THASIN's avatar
THASIN
Icon for Nimbostratus rankNimbostratus
Oct 29, 2013

Intelligent SNAT with two condition

Hi F5iers, I have two ISP link which are load balanced using BIG_IP link controller. I want to apply intelligent SNAT for outgoing traffic based on two conditions - conditions are- IF LB selects fir...
application delivery
devops
iRules
What_Lies_Bene1's avatar
What_Lies_Bene1
Icon for Cirrostratus rankCirrostratus
Oct 29, 2013

Here's my take;

when LB_SELECTED { 
 If link A is selected and the client is internal
 if { [IP::addr [LB::server addr] equals 185.1X.1XX.1] && [class match [IP::client_addr] equals sp_internal_ip] } {
   snat 1XX.1X.1XX.XX
  }
 If link B is selected and the client is internal
 elseif { [IP::addr [LB::server addr] equals 185.1X.1XX.1] && [class match [IP::client_addr] equals sp_internal_ip] } {
   snat 1XX.1X.1XX.XX 
  }
}