R21xx-HP FlexFabric 11900 Layer 3 IP Services Command Reference

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Usage guidelines
Brief information about IPv6 TCP connections includes the local IPv6 address and port number, peer IPv6
address and port number, and TCP connection state.
Examples
# In standalone mode, display brief information about an IPv6 TCP connection.
<Sysname> display ipv6 tcp
*: TCP MD5 Connection
LAddr->port FAddr->port State Slot PCB
::->23 ::->0 LISTEN 1 0xffffffffffffff9e
# In IRF mode, display brief information about IPv6 TCP connections.
<Sysname> display ipv6 tcp
*: TCP MD5 Connection
LAddr->port FAddr->port State Chassis Slot PCB
::->23 ::->0 LISTEN 1 1 0xffffffffffffff9e
Table 43 Command output
Field Description
* Indicates the TCP connection uses MD5 authentication.
LAddr->port Local IPv6 address and port number.
FAddr->port Peer IPv6 address and port number.
State
TCP connection state:
• CLOSED—The server receives a disconnection request's reply from the client.
• LISTEN—The server is waiting for connection requests.
• SYN_SENT—The client is waiting for the server to reply to the connection request.
• SYN_RCVD—The server receives a connection request.
• ESTABLISHED—The server and client have established connections and can transmit
data bidirectionally.
• CLOSE_WAIT—The server receives a disconnection request from the client.
• FIN_WAIT_1—The client is waiting for the server to reply to a disconnection request.
• CLOSING—The server and client are waiting for peer's disconnection reply when
receiving disconnection requests from each other.
• LAST_ACK—The server is waiting for the client to reply to a disconnection request.
• FIN_WAIT_2—The client receives a disconnection reply from the server.
• TIME_WAIT—The client receives a disconnection request from the server.
Chassis ID of the IRF member device.
Slot Number of the slot that holds the card.
PCB PCB index.
display ipv6 tcp verbose
Use display ipv6 tcp verbose to display detailed information about IPv6 TCP connections.