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Forum Discussion

Mariusz_B's avatar
Mariusz_B
Icon for Nimbostratus rankNimbostratus
Jan 16, 2015

GTM iRule - answering DNS based on some criteria.

Hi, I need some help with developing an iRule for DNS queries. Requirements:   check IP range a request came from (this is the easy bit which I have done already)   check monitor status -...
application delivery
devops
iRules
Brad_Parker's avatar
Brad_Parker
Icon for Cirrus rankCirrus
Jan 20, 2015

Are you using BigIP 11.x? If so, you can't use $::All_Client_IPs. Try this:

when DNS_REQUEST {
  if { class match [IP::remote_addr] equals All_Client_IPs } {
      if {[LB::status vs Client_VPN_1] eq "up" } {     
        host 1.1.1.1
      } else {
        host 2.2.2.2
    }
  }
}