show ipv6 tcp status
Displays detailed information about a specified TCP connection.
Parameters
Modes
User EXEC mode
The
show ipv6 tcp status command displays the following information:
| Output field | Description |
|---|---|
| TCP = location | The location of the TCP. |
| Send: initial sequence number | The initial sequence number sent by the local router. |
| Send: first unacknowledged sequence number | The first unacknowledged sequence number sent by the local router. |
| Send: current send pointer | The current send pointer. |
| Send: next sequence number to send | The next sequence number sent by the local router. |
| Send: remote received window | The size of the remote received window. |
| Send: total unacknowledged sequence number | The total number of unacknowledged sequence numbers sent by the local router. |
| Send: total used buffers number | The total number of buffers used by the local router in setting up the TCP connection |
| Receive: initial incoming sequence number | The initial incoming sequence number received by the local router. |
| Receive: expected incoming sequence number | The incoming sequence number expected by the local router. |
| Receive: received window | The size of the local router’s receive window. |
| Receive: bytes in receive queue | The number of bytes in the local router’s receive queue. |
| Receive: congestion window | The size of the local router’s receive congestion window. |
Examples
The following sample output displays detailed information about TCP connection.
device# show ipv6 tcp status 2000:4::110 179 2000:4::106 8222 TCP: TCP = 0x217fc300 TCP: 2000:4::110:179 <-> 2000:4::106:8222: state: ESTABLISHED Port: 1 Send: initial sequence number = 242365900 Send: first unacknowledged sequence number = 242434080 Send: current send pointer = 242434080 Send: next sequence number to send = 242434080 Send: remote received window = 16384 Send: total unacknowledged sequence number = 0 Send: total used buffers 0 Receive: initial incoming sequence number = 740437769 Receive: expected incoming sequence number = 740507227 Receive: received window = 16384 Receive: bytes in receive queue = 0 Receive: congestion window = 1459