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Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Chapter 12 Configuring Interface Characteristics
Monitoring and Maintaining the Interfaces
To clear the interface counters shown by the show interfaces privileged EXEC command, use the clear
counters privileged EXEC command. The clear counters command clears all current interface counters
from the interface unless you specify optional arguments that clear only a specific interface type from a
specific interface number.
Note The clear counters privileged EXEC command does not clear counters retrieved by using Simple
Network Management Protocol (SNMP), but only those seen with the show interface privileged EXEC
command.
Shutting Down and Restarting the Interface
Shutting down an interface disables all functions on the specified interface and marks the interface as
unavailable on all monitoring command displays. This information is communicated to other network
servers through all dynamic routing protocols. The interface is not mentioned in any routing updates.
Beginning in privileged EXEC mode, follow these steps to shut down an interface:
clear interface interface-id Reset the hardware logic on an interface.
clear line [number | console 0 | vty number] Reset the hardware logic on an asynchronous serial line.
Table 12-6 Clear Commands for Interfaces (continued)
Command Purpose
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface {vlan vlan-id} | {{fastethernet | gigabitethernet}
interface-id} | {port-channel port-channel-number}
Select the interface to be configured.
Step 3
shutdown Shut down an interface.
Step 4
end Return to privileged EXEC mode.
Step 5
show running-config Verify your entry.