F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

Forum Discussion

Chris_Phillips's avatar
Chris_Phillips
Icon for Nimbostratus rankNimbostratus
Sep 13, 2006

unique snat address with minimal overhead

  Hi,     One of our pairs of F5's sits infront of a firewall which in turn is infront of the servers. we have a lot of clients hitting virtual servers and need to retain visibilty of the cl...
application delivery
dev
devops
iRules
Chris_Phillips's avatar
Chris_Phillips
Icon for Nimbostratus rankNimbostratus
Sep 20, 2006
hi,

Is anyone able to comment further on this? I've got this basic irule which seems to do the job fine

   when CLIENT_ACCEPTED {
     scan [IP::client_addr] "%d.%s" a bcd
     snat [expr $a ^ 128 ].$bcd
  }
but would still possibly like to remove the intermediate variables and such.

thanks

Chris