Errdisable Recovery - Cisco Catalyst 2950 Command Reference Manual

Chapter 2 Cisco IOS Commands
Command History Release
12.1(6)EA2
12.1(9)EA1
Usage Guidelines
A cause (bpduguard, dtp-flap, gbic-invalid, link-flap, pagp-flap, psecure-violation, and udld) is
defined as the reason why the error-disabled state occurred. When a cause is detected on an interface,
the interface is placed in error-disabled state, an operational state similar to link-down state. If you do
not enable errdisable recovery for the cause, the interface stays in error-disabled state until you enter a
shutdown and no shutdown interface configuration command. 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 then 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-disable 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 Command
show errdisable recovery
show interfaces
78-11381-05
Modification
This command was first introduced.
The gbic-invalid and psecure-violation keywords were added. The
rootguard keyword was removed.
Description
Displays errdisable recovery timer information.
status Displays interface status.
Catalyst 2950 Desktop Switch Command Reference

errdisable recovery

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