Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
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3Com Corporation
9-2
Description
Use the display tcp status command to view information about the current TCP
connections on the router.
Compared with display users, the display tcp status command can display more
information about Telnet clients and servers.
The information that this command provides includes local address of TCP connection,
local port number, external address, external port number, and connection state.
Related command: telnet.
Example
# Display information about TCP connections.
<3com> display tcp status
TCPCB Local Address Foreign Address State
129.102.100.142 23 129.102.001.092 ESTABLISHED
028ca414 0.0.0.0.23 0.0.0.0.0 LISTEN
The output indicates that one TCP connection is set up, where the local IP address is
129.102.100.142, local port is 23, and remote IP address is 129.102.001.92. In addition,
a local server process is listening to port 23.
9.1.3 display telnet-server source-ip
Syntax
display telnet-server source-ip
View
Any view
Parameter
None
Description
Use the display telnet-server source-ip command to display the source IP address
configured for the Telnet server.
If a source interface has been specified for the Telnet server, the IP address of the
interface is displayed. If neither source interface nor source IP address has been
specified for the Telnet server, 0.0.0.0 is displayed.
Example
# Display the current source IP address of the Telnet server.
<Router> display telnet-server source-ip