Basic System Configuration Guide System Management
Edition: 01 3HE 11010 AAAC TQZZA 413
6.13.2.3 Show Commands
connections
Syntax connections [address ip-address] [port port-number] [detail]
Context show>system
Description This command displays UDP and TCP connection information.
If no command line options are specified, a summary of the TCP and UDP connections
displays.
Parameters ip-address — displays only the connection information for the specified IP address or
interface name
Values ip-int-name: 32 characters maximum
ipv4-address: a.b.c.d
ipv6-address: x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0..FFFF]H
d: [0..255]D
port-number — displays only the connection information for the specified port number
Values 0 to 65535
detail — appends TCP statistics to the display output
Output The following output is an example of UDP and TCP connection information, and Table 33
describes the fields.
Output Example
A:ALU-1# show system connections
===============================================================================
Connections :
===============================================================================
Proto RecvQ TxmtQ Local Address State
MSS Remote Address vRtrID
-------------------------------------------------------------------------------
TCP 0 0 0.0.0.0.21 LISTEN
1024 0.0.0.0.0 0
TCP 0 0 0.0.0.0.23 LISTEN
0.0.0.0.0 0
TCP 0 0 0.0.0.0.179 LISTEN
Note: The following command outputs are examples only; actual displays may differ
depending on supported functionality and user configuration.
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