Sender address sent with the ping; this is also the destination for the answering ping.
Note: If the list of IP networks or loopback addresses contains an entry named "DMZ" then the associated IP address
        will be used.
    - SNMP ID:
 - 2.2.23.8
 - Console path:
 - Setup > WAN > Polling-Table
 - Possible values:
 Name of the IP networks whose address should be used, any valid IP address, or the name of a loopback address.