display tcp status

Syntax

display tcp status [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

exclude: Displays all lines that do not match the specified regular expression.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display tcp status to display status of all TCP connections for monitoring TCP connections.

Examples

# Display status of all TCP connections.

<Sysname> display tcp status
*: TCP MD5 Connection
TCPCB         Local Add:port       Foreign Add:port     State
03e37dc4      0.0.0.0:4001         0.0.0.0:0            Listening
04217174      100.0.0.204:23       100.0.0.253:65508    Established

Table 45: Command output

Field

Description

*: TCP MD5 Connection

If the status information of a TCP connection contains an asterisk (*), the TCP adopts the MD5 algorithm for authentication.

TCPCB

TCP control block.

Local Add:port

Local IP address and port number.

Foreign Add:port

Remote IP address and port number.

State

State of the TCP connection.