display tcp ipv6 status

Function

The display tcp ipv6 status command displays all IPv6 TCP connections.

Format

display tcp ipv6 status [ local-ip local-ip | local-port local-port | remote-ip remote-ip | remote-port remote-port ] ^* [ cid cid ] [ socket-id socket-id ]

Parameters

Parameter	Description	Value
local-ip local-ip	splays the IPv6 TCP onnection with a specified local IP address.	The address is a 32-digit hexadecimal number, in the format of X:X:X:X:X:X:X:X.
local-port local-port	Displays the IPv6 TCP connection with a specified local port number.	The value ranges from 0 to 65535.
remote-ip remote-ip	Displays the IPv6 TCP connection with a specified remote IP address.	The address is a 32-digit hexadecimal number, in the format of X:X:X:X:X:X:X:X.
remote-port remote-port	Displays the IPv6 TCP connection with a specified remote port number.	The value ranges from 0 to 65535.
cid cid	Displays the IPv6 TCP connection with a specified APP CID.	The value is a hexadecimal integer that ranges from 0 to ffffffff.
socket-id socket-id	Displays the IPv6 TCP connection with a specified socket ID.	The value is an integer that ranges from 0 to 2147418111.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
ip-stack	read

Usage Guidelines

Usage Scenario

TCP defined in standard protocols ensures high-reliability transmission between hosts. TCP provides reliable, connection-oriented, and full-duplex services for user processes. To monitor the TCP connection status, run the display tcp status command to check the following information:

IPv6 TCP socket ID
APP CID
Local IPv6 address and port number
Remote IPv6 address and port number
VPNID
IPv6 TCP connection status
A filtering rule, such as a socket ID, local IP address, local port number, remote IP address, or remote port number, can be specified so that only the information matching the rule is displayed. This reduces the amount of output information, improving output information usability and fault locating accuracy and efficiency.

Precautions

If no TCP connection is available, the command output is empty.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display the status of IPv6 TCP connections.

<HUAWEI> display tcp ipv6 status
* - MD5 Authentication is enabled.
# - Keychain Authentication is enabled.
-------------------------------------------------------------------------------------------------------
Cid/SocketID         Local Address                Foreign Address              VPNID      State        
-------------------------------------------------------------------------------------------------------
0x8093041E/3         ::->830                      ::->0                        4294967295 LISTEN       
0x8093041E/5         ::->22                       ::->0                        4294967295 LISTEN       
-------------------------------------------------------------------------------------------------------

**Table 1** Description of the **display tcp ipv6 status** command output
Item	Description
Cid/SocketID	Socket ID.
Local Address	Local IPv6 address.
Foreign Address	Peer IPv6 address.
VPNID	VPN instance ID.
State	Status of an IPv6 TCP connection: Established: indicates that the connection has been established. LISTEN: indicates that the connection is being listened to.