Cisco Catalyst 2350, Справочник по командам

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Catalyst 2350 Switch Command Reference
OL-19055-01
Chapter 2 Catalyst 2350 Switch Cisco IOS Commands
errdisable recovery
Command Modes Global configuration
Command History
Usage Guidelines A cause ( all , bpduguard , and so forth) is defined as the reason that the error-disabled state occurred.
When a cause is detected on an interface, the interface is placed in the error-disabled state, an operational
state similar to link-down state.
When a port is error-disabled, it is effectively shut down, and no traffic is sent or received on the port. For the
BPDU guard and port-security features, you can configure the switch to shut down just the offending
VLAN on the port when a violation occurs, instead of shutting down the entire port.
If you do not enable the recovery for the cause, the interface stays in the error-disabled state until you
enter the
shutdown and the no shutdown interface configuration commands. If you enable the recovery
for a cause, the interface is brought out of the error-disabled state and allowed to retry the operation again
when all the causes have timed out.
Otherwise, you must enter the shutdown and then the no shutdown commands to manually recover an
interface from the error-disabled state.
Examples
This example shows how to enable the recovery timer for the BPDU guard error-disabled cause:
Switch(config)# errdisable recovery cause bpduguard
This example shows how to set the timer to 500 seconds:
Switch(config)# errdisable recovery interval 500
You can verify your settings by entering the show errdisable recovery privileged EXEC command.
Related Commands
Release Modification
12.246)EY This command was introduced.
Command Description
show errdisable recovery Displays error-disabled recovery timer information.
show interfaces status
err-disabled
Displays interface status or a list of interfaces in error-disabled
state.
clear errdisable interface Clears the error-disabled state from a port or VLAN that was error
disabled by the per-VLAN error disable feature.