iRule POOLS and defualt persistence set?

is this what you are asking?

[root@ve11b:Active:In Sync] config  tmsh list ltm virtual bar
ltm virtual bar {
    destination 172.28.24.10:80
    ip-protocol tcp
    mask 255.255.255.255
    persist {
        source_addr {
            default yes
        }
    }
    profiles {
        fastL4 { }
    }
    rules {
        qux
    }
    source 0.0.0.0/0
    source-address-translation {
        type automap
    }
    vs-index 6
}
[root@ve11b:Active:In Sync] config  tmsh list ltm rule qux
ltm rule qux {
    when CLIENT_ACCEPTED {
  pool foo
}
}
[root@ve11b:Active:In Sync] config  curl -I http://172.28.24.10
HTTP/1.1 200 OK
Date: Fri, 20 Feb 2015 07:41:29 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Sun, 09 Feb 2014 08:39:51 GMT
ETag: "41879c-59-2a9c23c0"
Accept-Ranges: bytes
Content-Length: 89
Content-Type: text/html; charset=UTF-8

[root@ve11b:Active:In Sync] config  tmsh show ltm persistence persist-records all-properties
Sys::Persistent Connections
source-address - 172.28.24.10:80 - 200.200.200.101:80
-----------------------------------------------------
  TMM           1
  Mode          source-address
  Value         172.28.24.12
  Age (sec.)    6
  Virtual Name  /Common/bar
  Virtual Addr  172.28.24.10:80
  Node Addr     200.200.200.101:80
  Pool Name     /Common/foo
  Client Addr   172.28.24.12
  Owner entry

Total records returned: 1