You can display information about sessions that are created as a result of NAT 6-4 conversion by using the show session-table command, as shown in the following example. This example shows a NAT 6-4 session that is created to support an ICMP session.

vyatta@vyatta# run show session-table
TCP state codes: SS - SYN SENT, SR - SYN RECEIVED, ES - ESTABLISHED,
                 FW - FIN WAIT, CW - CLOSE WAIT, LA - LAST ACK,
                 TW - TIME WAIT, CL - CLOSE, LI - LISTEN

CONN ID   Source        Destination   Protocol  TIMEOUT   Intf              Parent
1         198.18.4.200  20.20.10.4    icmp [1]  14        dp0p224p1    0