AN IRULE THAT PERFORMS HEADER ENRICHMENT AND SENDS TRAFFIC TO A Specific IP (MMSC)

Q. Do you want to add client ip in header or specific words? if client IP then follow below irule.

Please test it in your environment and let us know if any issue.

  when HTTP_REQUEST { 
if { [HTTP::host] equals "10.199.212.15" && [HTTP::uri] equals "/servlets/mms"} {   
    HTTP::header remove X-Forwarded-For
    HTTP::header insert X-Forwarded-For [IP::client_addr]
    pool mmsc_pool 
    } 
}