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Forum Discussion

Brent_J's avatar
Brent_J
Icon for Nimbostratus rankNimbostratus
Nov 17, 2015

Query GTM supplying Client IP address from LTM

Hi, I have an problem with GTM wideIP geolocation.   Problem statement: I need to send clients to specific VIPs in Geo distinct datacenters based on the client IP.   In my country all ISP ...
application delivery
iRules
LTM
Andy_McGrath's avatar
Andy_McGrath
Icon for Cumulonimbus rankCumulonimbus
Nov 17, 2015

Option 2 is not an option, standard DNS function means requests will always come from a Recursive DNS server and never directly from the client.

Option 1 would need an iRule to use the 'whereis' iRule feature see the following example:

when HTTP_REQUEST {
    switch [string tolower [whereis [IP::client_addr] abbrev] {
          "af" -
          "bh" -
          "bd" -
          "be" -
          "eg" -
          "fr" -
          "de" -
          "in" -
          "ir" -
          "iq" -
          "it" -
          "jo" -
          "kz" -
          "ke" -
          "kw" -
          "lb" -
          "mo" -
          "np" -
          "nl" -
          "om" -
          "pk" -
          "qa" -
          "ru" -
          "sa" -
          "es" -
          "lk" -
          "sd" -
          "sz" -
          "sy" -
          "tn" -
          "tr" -
          "ua" -
          "ae" -
          "ye" {
              HTTP::redirect "http://www.example.com/home-${country}"
         } 
          default {
                Redirect all others
               HTTP::redirect "http://www.example.com/home"
            }
       }
}