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Cisco Catalyst 2950 Command Reference

Cisco Catalyst 2950
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2-446
Catalyst 2950 and Catalyst 2955 Switch Command Reference
0L-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
spanning-tree etherchannel guard misconfig
spanning-tree etherchannel guard misconfig
Use the spanning-tree etherchannel guard misconfig global configuration command to display an
error message when the switch detects a loop that occurred because of an EtherChannel
misconfiguration. Use the no form of this command to disable the feature.
spanning-tree etherchannel guard misconfig
no spanning-tree etherchannel guard misconfig
Syntax Description This command has no arguments or keywords.
Defaults EtherChannel guard is enabled on the switch.
Command Modes Global configuration
Command History
Usage Guidelines When the switch detects a loop that is caused by an EtherChannel misconfiguration, this error message
appears:
PM-4-ERR_DISABLE: Channel-misconfig error detected on [chars], putting [chars] in
err-disable state.
To determine which switch ports are in the misconfigured EtherChannel, use the show interfaces status
err-disabled privileged EXEC command. To verify the EtherChannel configuration on a remote device,
use the show etherchannel summary privileged EXEC command on the remote device.
When a port is in the error-disabled state because of an EtherChannel misconfiguration, you can bring
it out of this state by entering the errdisable recovery cause channel-misconfig global configuration
command, or you can manually re-enable it by entering the shutdown and no shutdown interface
configuration commands.
Examples This example shows how to enable the EtherChannel guard misconfiguration feature:
Switch(config)# spanning-tree etherchannel guard misconfig
You can verify your settings by entering the show spanning-tree summary privileged EXEC command.
Release Modification
12.1(13)EA1 This command was introduced.

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Cisco Catalyst 2950 Specifications

General IconGeneral
Forwarding Bandwidth8.8 Gbps
Switching Capacity13.6 Gbps
Forwarding Rate6.6 Mpps
Weight3.6 kg
RAM16 MB
Flash Memory8 MB
Operating Humidity10% to 85% non-condensing
Uplink Ports2 x 10/100/1000Base-T
Dimensions4.4 cm x 44.5 cm x 24.2 cm
Remote Management ProtocolSNMP, Telnet, HTTP
FeaturesQuality of Service (QoS), VLAN support
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicatorssystem
Operating Temperature0 to 45°C
Ports24 x 10/100 Ethernet ports
MAC Address Table Size8, 192 entries
Power SupplyInternal 100-240V AC, 50-60Hz

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