Real-Time Operational Mode Commands

Table 36 summarizes the command-line interface (CLI) commands you can use to monitor and troubleshoot router interfaces in real time. In the table, the commands are grouped by functionality. In the remainder of this chapter, they are explained alphabetically.

Table 36: Commands for Real-Time Monitoring and Troubleshooting of Router Interfaces

Task or Information to Monitor	CLI Command
Interface statistics	monitor interface
TCP dump	monitor traffic
Automatic Protection Switching (APS)	show aps