Cisco Cisco IOS Software Release 12.4(2)T
TCP Applications Flags Enhancement
How to Display the TCP Applications Flags Enhancement
2
Cisco IOS Release 12.4(2)T
Displaying the TCP Applications Flags Enhancement
Perform this task to display the flags by using the show tcp command.
SUMMARY STEPS
1.
enable
2.
show tcp [line-number] [tcb address]
3.
end
DETAILED STEPS
Examples
The following output shows the flags (status and option) displayed using the show tcp command.
Router# show tcp
.
.
.
Status Flags: passive open, active open, retransmission timeout
App closed
Option Flags: vrf id set
IP Precedence value: 6
.
.
.
SRTT: 273 ms, RTTO: 490 ms, RTV: 217 ms, KRTT: 0 ms
minRTT: 0 ms, maxRTT: 300 ms, ACK hold: 200 ms
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
•
Enter your password if prompted.
Step 2
show tcp
[line-number] [tcb address]
Example:
Router# show tcp
Displays the status of TCP connections. The arguments and
keyword are as follows:
keyword are as follows:
•
line-number—(Optional) Absolute line number of the
Telnet connection status.
Telnet connection status.
•
tcb—(Optional) Transmission control block (TCB) of
the ECN-enabled connection.
the ECN-enabled connection.
•
address—(Optional) TCB hexadecimal address. The
valid range is from 0x0 to 0xFFFFFFFF.
valid range is from 0x0 to 0xFFFFFFFF.
Step 3
end
Example:
Router# end
Exits to privileged EXEC mode.