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Tom_Lauwereins_'s avatar
Tom_Lauwereins_
Icon for Nimbostratus rankNimbostratus
Feb 16, 2012

Redirect traffic to same poolmember during 30 minutes

On of our customers want to redirect traffic to the same poolmember during some time.   They want that traffic with the same HTTP Header has to be redirected to the same pool member.   But it ha...
application delivery
dev
devops
iRules
nitass's avatar
nitass
Icon for Employee rankEmployee
Feb 17, 2012
this is mine. 

[root@ve1023:Active] config  b virtual bar list
virtual bar {
   snat automap
   pool foo
   destination 172.28.19.79:80
   ip protocol 6
   rules myrule
   profiles {
      http {}
      tcp {}
   }
}
[root@ve1023:Active] config  b pool foo list
pool foo {
   members {
      200.200.200.101:80 {}
      200.200.200.102:80 {}
   }
}
[root@ve1023:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
   set header ""
   if {[HTTP::header exists "ul3-user"]} {
      set header [HTTP::header "ul3-user"]
      persist uie [HTTP::header "ul3-user"] 1800
   }
}

when HTTP_RESPONSE {
   log local0. "[IP::client_addr]:[TCP::client_port] -> [IP::local_addr clientside]:[TCP::local_port clientside] -> [IP::remote_addr]:[TCP::remote_port] | $header"
}
}

on client

[root@centos251 ~] curl -I http://172.28.19.79 -H "ul3-user: test1234"
HTTP/1.1 200 OK
Date: Fri, 17 Feb 2012 13:42:47 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Fri, 11 Nov 2011 14:48:14 GMT
ETag: "4183e4-3e-9c564780"
Accept-Ranges: bytes
Content-Length: 62
Content-Type: text/html; charset=UTF-8

[root@centos251 ~] curl -I http://172.28.19.79 -H "ul3-user: test1234"


[root@centos251 ~] curl -I http://172.28.19.79 -H "ul3-user: test1234"


[root@centos251 ~] curl -I http://172.28.19.79 -H "ul3-user: xyz5678"
HTTP/1.1 200 OK
Date: Fri, 17 Feb 2012 13:38:43 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Tue, 08 Nov 2011 12:26:29 GMT
ETag: "4183f1-30-47e02740"
Accept-Ranges: bytes
Content-Length: 48
Content-Type: text/html; charset=UTF-8

[root@centos251 ~] curl -I http://172.28.19.79 -H "ul3-user: xyz5678"


on bigip

[root@ve1023:Active] config  b persist show all
PERSISTENT CONNECTIONS
|     Mode universal   Value test1234
|        virtual 172.28.19.79:80   node 200.200.200.101:80   age 81sec
|     Mode universal   Value xyz5678
|        virtual 172.28.19.79:80   node 200.200.200.102:80   age 57sec

[root@ve1023:Active] config  cat /var/log/ltm
Feb 17 05:36:06 local/tmm info tmm[4822]: Rule myrule : 172.28.19.251:45485 -> 172.28.19.79:80 -> 200.200.200.101:80 | test1234
Feb 17 05:36:34 local/tmm info tmm[4822]: Rule myrule : 172.28.19.251:45486 -> 172.28.19.79:80 -> 200.200.200.101:80 | test1234
Feb 17 05:36:37 local/tmm info tmm[4822]: Rule myrule : 172.28.19.251:45487 -> 172.28.19.79:80 -> 200.200.200.101:80 | test1234
Feb 17 05:36:55 local/tmm info tmm[4822]: Rule myrule : 172.28.19.251:45488 -> 172.28.19.79:80 -> 200.200.200.102:80 | xyz5678
Feb 17 05:37:00 local/tmm info tmm[4822]: Rule myrule : 172.28.19.251:45489 -> 172.28.19.79:80 -> 200.200.200.102:80 | xyz5678