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NetEngine IAD User Guide
NAT Configuration 197
NAT
Connection
Table
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.
NAT
Connection
Details
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
Table 11–3.NAT Connection Table
Report Entry Description
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