Cookie timeout

 v10.2.4

[root@ve10:Active] config  b version|grep -iA 1 version
BIG-IP Version 10.2.4 655.0
Hotfix HF4 Edition

[root@ve10:Active] config  b virtual bar list
virtual bar {
   snat automap
   pool foo
   destination 172.28.19.252:80
   ip protocol 6
   persist mycookie
   profiles {
      http {}
      tcp {}
   }
}
[root@ve10:Active] config  b profile mycookie list
profile persist mycookie {
   mode cookie
   cookie expiration 0:10:00
}

[root@ve10:Active] config  curl -I http://172.28.19.252
HTTP/1.1 200 OK
Date: Sat, 04 May 2013 06:49:05 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sat, 27 Oct 2012 03:22:35 GMT
ETag: "4183f3-59-f28f94c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8
Set-Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:48:23 GMT; path=/

[root@ve10:Active] config  curl -I http://172.28.19.252 -H "Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:48:23 GMT; path=/"
HTTP/1.1 200 OK
Date: Sat, 04 May 2013 06:49:15 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sat, 27 Oct 2012 03:22:35 GMT
ETag: "4183f3-59-f28f94c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8
Set-Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:48:33 GMT; path=/

 v11.3.0

root@(ve11a)(cfg-sync Changes Pending)(Active)(/Common)(tmos) show sys version|grep -A 5 Main\ Package
Main Package
  Product  BIG-IP
  Version  11.3.0
  Build    3022.0
  Edition  Hotfix HF3
  Date     Fri Feb 22 00:00:34 PST 2013

root@(ve11a)(cfg-sync Changes Pending)(Active)(/Common)(tmos) list ltm virtual bar
ltm virtual bar {
    destination 172.28.20.16:80
    ip-protocol tcp
    mask 255.255.255.255
    persist {
        mycookie {
            default yes
        }
    }
    pool foo
    profiles {
        http { }
        tcp { }
    }
    source 0.0.0.0/0
    source-address-translation {
        type automap
    }
    vlans-disabled
}
root@(ve11a)(cfg-sync Changes Pending)(Active)(/Common)(tmos) list ltm persistence cookie mycookie
ltm persistence cookie mycookie {
    always-send disabled
    app-service none
    expiration 10:0
}

[root@ve11a:Active:Changes Pending] config  curl -I http://172.28.20.16
HTTP/1.1 200 OK
Date: Sat, 04 May 2013 06:51:23 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sat, 27 Oct 2012 03:22:35 GMT
ETag: "4183f3-59-f28f94c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8
Set-Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:44:06 GMT; path=/

[root@ve11a:Active:Changes Pending] config  curl -I http://172.28.20.16 -H "Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:44:06 GMT; path=/"
HTTP/1.1 200 OK
Date: Sat, 04 May 2013 06:51:31 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sat, 27 Oct 2012 03:22:35 GMT
ETag: "4183f3-59-f28f94c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8

root@(ve11a)(cfg-sync Changes Pending)(Active)(/Common)(tmos) modify ltm persistence cookie mycookie always-send enabled
root@(ve11a)(cfg-sync Changes Pending)(Active)(/Common)(tmos) list ltm persistence cookie mycookie
ltm persistence cookie mycookie {
    always-send enabled
    app-service none
    expiration 10:0
}

[root@ve11a:Active:Changes Pending] config  curl -I http://172.28.20.16
HTTP/1.1 200 OK
Date: Sat, 04 May 2013 06:52:00 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sat, 27 Oct 2012 03:22:35 GMT
ETag: "4183f3-59-f28f94c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8
Set-Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:44:43 GMT; path=/

[root@ve11a:Active:Changes Pending] config  curl -I http://172.28.20.16 -H "Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:44:43 GMT; path=/"
HTTP/1.1 200 OK
Date: Sat, 04 May 2013 06:52:08 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sat, 27 Oct 2012 03:22:35 GMT
ETag: "4183f3-59-f28f94c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8
Set-Cookie: BIGipServerfoo=1707657416.20480.0000; expires=Sat, 04-May-2013 06:44:51 GMT; path=/