Zhone 2000 用户手册

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When NAT is enabled, you can display the current open connections. To 
display the connection table, type C on the NAT Configuration menu.

The IAD displays the NAT connection table (sample):

TCP: 11.22.13.152:23 <-> 192.168.1.1:4428

out_port:50000, pkts; out 13, in 13 state:4 idle:13

If there are no open connections, the IAD advises you. Press any key to 
return to the NAT Configuration menu. 

When NAT is enabled, you can display details about a specific connection. 
To display the connection details, type D on the NAT Configuration menu 
and enter the public IP address. 

The IAD prompts you for the outside port number of the connection:

Enter outside port number of connection:

Type the outside port number and press Enter.

The IAD displays the NAT connection details (sample):

Foreign IP: 11.33.13.52, Local IP: 192.168.1.1

Ports: outside: 50000, inside: 4428, foreign: 23

outgoing; pkts: 13, bytes: 544

incoming; pkts: 13, bytes: 1229

Type TCP, seconds since use 37

TCP Seq: 2140945885, Ack: 19105386, state: 4

Retrys, Local: 0, Foreign: 0

Bad checksum, Local: 0, Foreign: 0

TCP/UDP/ICMP, etc.

IP address:Port—IP address plus port number 
of the foreign device; zero if ICMP protocol. 
IP address:Port:—IP address plus port number 
of the local (LAN) device; zero if ICMP 
protocol. These two values are separated by 
the symbol <->

out_port

Port number assigned by NAT which is 
translated by NAT to/from the local port.

pkts

Out: packets sent from the local device to the 
foreign device. In: packets sent from the 
foreign device to the local device.

state

TCP state number (TCP only)

idle

Idle time in seconds for the connection