Clearing and Resetting Interfaces and Counters
Table 6: Clear Commands for Interfaces
PurposeCommand
Clears interface counters.
clear counters [interface-id]
Resets the hardware logic on an interface.
clear interface interface-id
Resets the hardware logic on an asynchronous serial
line.
clear line [number | console 0 | vty number]
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.
Note
Configuration Examples for Interface Characteristics
Adding a Description to an Interface: Example
Switch# configure terminal
Enter configuration commands, one per line. End with CNTRL/Z.
Switch(config)# interface gigabitethernet1/0/2
Switch(config-if)# description Connects to Marketing
Switch(config-if)# end
Switch# show interfaces gigabitethernet1/0/2 description
Interface Status Protocol Description
Gi1/0/2 admin down down Connects to Marketing
Configuring a Range of Interfaces: Examples
This example shows how to use the interface range global configuration command to set the speed to 100
Mb/s on ports 1 to 4 on switch 1:
Switch# configure terminal
Switch(config)# interface range gigabitethernet1/0/1 - 4
Switch(config-if-range)# speed 100
This example shows how to use a comma to add different interface type strings to the range to enable Gigabit
Ethernet ports 1 to 3 and 10-Gigabit Ethernet ports 1 and 2 to receive flow-control pause frames:
Switch# configure terminal
Switch(config)# interface range gigabitethernet1/0/1 - 3 , tengigabitethernet1/0/1 - 2
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
39
Configuration Examples for Interface Characteristics
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