Terminal Monitor Command on CISCO Router/Switch

Command

Terminal Monitor

Use

This command allows you to see the console output of a router that you are telneted to.

Syntax

Telnetted_Router#terminal monitor

Example

In this example, we don’t see any output from the debug ip packet command until the terminal monitor command is entered.

R2#debug ip packet
IP packet debugging is on
R2#show clock
18:29:11.055 UTC Sun Nov 30 2008
R2#show clock
18:30:03.539 UTC Sun Nov 30 2008
R2#terminal monitor
R2#
Nov 30 18:30:29.051: IP: s=2.2.2.2 (local), d=10.1.1.1 (FastEthernet0/0), len 41, sending
Nov 30 18:30:29.299: IP: tableid=0, s=10.1.1.1 (FastEthernet0/0), d=2.2.2.2 (Loopback0), routed via RIB
Nov 30 18:30:29.299: IP: s=10.1.1.1 (FastEthernet0/0), d=2.2.2.2, len 40, rcvd 4
Nov 30 18:30:29.991: IP: tableid=0, s=10.1.1.1 (FastEthernet0/0), d=2.2.2.2 (Loopback0), routed via RIB
Nov 30 18:30:29.991: IP: s=10.1.1.1 (FastEthernet0/0), d=2.2.2.2, len 42, rcvd 4
Nov 30 18:30:29.995: IP: tableid=0, s=2.2.2.2 (local), d=10.1.1.1 (FastEthernet0/0), routed via FIB
Nov 30 18:30:29.995: IP: s=2.2.2.2 (local), d=10.1.1.1 (FastEthernet0/0), len 42, sending
Nov 30 18:30:30.039: IP: tableid=0, s=2.2.2.2 (local), d=10.1.1.1 (FastEthernet0/0), routed via FIB
Nov 30 18:30:30.875: IP: tableid=0, s=2.2.2.2 (local), d=10.1.1.1 (FastEthernet0/0), routed via FIB
Nov 30 18:30:30.883: IP: tableid=0, s=2.2.2.2 (local), d=10.1.1.1 (FastEthernet0/0), routed via FIB
R2#

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