Cisco Catalyst 2960 Series User Manual

SUMMARY STEPS
1.
enable
2.
configure terminal
3.
spanning-tree etherchannel guard misconfig
4.
end
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password
if prompted.
enable
Example:
Switch> enable
Step 1
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Enables EtherChannel guard.spanning-tree etherchannel guard misconfig
Example:
Switch(config)# spanning-tree etherchannel guard
misconfig
Step 3
Returns to privileged EXEC mode.end
Example:
Switch(config)# end
Step 4
What to Do Next
You can use the show interfaces status err-disabled privileged EXEC command to show which switch ports
are disabled because of an EtherChannel misconfiguration. On the remote device, you can enter the show
etherchannel summary privileged EXEC command to verify the EtherChannel configuration.
After the configuration is corrected, enter the shutdown and no shutdown interface configuration commands
on the port-channel interfaces that were misconfigured.
Related Topics
EtherChannel Guard, on page 297
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
311
How to Configure Optional Spanning-Tree Features

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000