7-34
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
OL-25340-01
Chapter 7 Configuring Interfaces
Monitoring and Maintaining the Interface
Common Scenarios
Table 7-5 lists the common scenarios associated with an OIR on a WS-4500X-32.
Monitoring and Maintaining the Interface
The following sections describe how to monitor and maintain the interfaces:
• Monitoring Interface and Controller Status, page 7-34
• Clearing and Resetting the Interface, page 7-35
• Shutting Down and Restarting an Interface, page 7-35
• Configuring Interface Link Status and Trunk Status Events, page 7-36
• Resetting the Interface to the Default Configuration, page 7-38
Monitoring Interface and Controller Status
The Cisco IOS software for the Catalyst 4500 series switch contains commands that you can enter at the
EXEC prompt to display information about the interface, including the version of the software and the
hardware, the controller status, and statistics about the interfaces. The following table lists some of the
interface monitoring commands. (You can display the full list of show commands by entering the show ?
command at the EXEC prompt.)
Table 7-5 Common Scenarios for OIR on a WS-4500X-32
If you do this or want to do this... This happens or you need to do this....
Insert a new module for the first time. The behavior of new module matches that of
current linecard.
Pull out an uplink module that was not previously
stopped or shut down.
The system reboots to ROMMON.
Press the OIR button accidentally. Press for less than 5 sec and nothing happens.
Press for more than 5 sec and OIR is initiated. The
linecard moves to the reset state and the OIR LED
turns GREEN.
Change your mind after entering the module stop
command or pressing the OIR button.
Enter the module start command or perform a
physical OIR. Both actions trigger uplink module
restart. If the module is not faulty, it is restored to
online state.
Know if the OIR button has taken effect. The OIR LED on the uplink module turns GREEN
and the linecard status LED on the uplink module
turns off.
Disable the OIR button and force use of a CLI to
initiate an OIR.
Cannot be done.
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