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Configuring Interfaces

Monitoring and Maintaining the Interfaces

Using FEFI on GE SFP Ports

FEFI can be used on the switch Gigabit Ethernet (GE) SFP ports when the GE ports are connected with 100FX/LX SFP

transceiver type. However, using these SFP transceivers limits the GE interfaces to 100 MB/s.

Clearing and Resetting Interfaces and Counters

Table 9 on page 47 lists the privileged EXEC mode clear commands that you can use to clear counters and reset

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:

Use the no shutdown interface configuration command to enable an interface.

To verify that an interface is disabled, enter the show interfaces privileged EXEC command. A disabled interface is

shown as administratively down in the display.

Table 9 Clear Commands for Interfaces

Command Purpose

clear counters [interface-id] Clear interface counters.

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.

Command Purpose

1. configure terminal Enter global configuration mode.

2. interface {vlan vlan-id} | {{fastethernet | gigabitethernet}

interface-id} | {port-channel port-channel-number}

Select the interface to be configured.

3. shutdown Shut down an interface.

4. end Return to privileged EXEC mode.

5. show running-config Verify your entry.

Cisco IE-5000 User Manual

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