C613-50631-01 Rev A Command Reference for IE340 Series 920
AlliedWare Plus™ Operating System - Version 5.5.3-0.x
IP ADDRESSING AND PROTOCOL COMMANDS
SHOW
IP SOCKETS
Remote
Address
For TCP and UDP listening sockets this shows the source IP address
(either IPv4 or IPv6) and source TCP or UDP port number for which
the socket will accept packets. The address and port are separated
by ’:’. If the socket will accept packets addressed from any IP
address, the IP address will be 0.0.0.0 for IPv4 or :: for IPv6. This is the
usual case for a listening socket. Normally for a listen socket any
source port will be accepted. This is indicated by “. For active TCP
sessions the IP address will display the remote address and port the
session was established with. For raw sockets the entry in this
column will be 0.0.0.0: or ::: for IPv4 and IPv6, respectively.
State This column shows the state of the socket. For TCP sockets this
shows the state of the TCP state machine. For UDP sockets this
column is blank. For raw sockets it contains the IP protocol number.
The possible TCP states are:
LISTEN
SYN-SENT
SYN-RECEIVED
ESTABLISHED
FIN-WAIT-1
FIN-WAIT-2
CLOSE-WAIT
CLOSING
LAST-ACK
TIME-WAIT
CLOSED
RFC793 contains the TCP state machine diagram with Section 3.2
describing each of the states.
Table 22-1: Parameters in the output from show ip sockets (cont.)
Parameter Description
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