OcNOS-RON : Layer 2 Guide : Layer 2 Command Reference : Fundamental Layer 2 Commands : show tcp
show tcp
Use this command to display the Transmission Control Protocol (TCP) connections details.
Command Syntax
show tcp
Parameters
None
Command Mode
Exec mode and privileged exec mode
Applicability
This command was introduced before OcNOS version 1.3.
Example
#show tcp
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 1 10.12.44.1:57740 127.0.0.1:705 CLOSE_WAIT
tcp 52 0 10.12.44.21:22 10.12.7.89:705 ESTABLISHED
tcp 85 0 10.12.44.21:57742 10.12.44.21:57738 ESTABLISHED
 
 
Table 1: Show tcp output 
Entry
Description
Proto
Protocol – TCP
Recv-Q
Number of TCP packets in the Receive Queue.
Send-Q
Number of TCP packets in the Send-Q.
Local Address and port number
Local IP address and the port number.
Foreign Address and port number
Foreign (received) IP address and the port number.
State
Current state of TCP connections:
 
ESTABLISHED
SYN_SENT
SYN_RECV
FIN_WAIT1
FIN_WAIT2
TIME_WAIT
CLOSE
CLOSE_WAIT
LAST_ACK
LISTEN
CLOSING
UNKNOWN
Last modified date: 07/13/2023