Errdisable Detect - Cisco Catalyst 2950 Command Reference Manual

errdisable detect

errdisable detect
Use the errdisable detect global configuration command to enable error disable detection. Use the no
form of this command to disable this feature.
Syntax Description
all
dtp-flap
gbic-invalid
link-flap
pagp-flap
Defaults The default is all, enabled for all causes.
Command Modes
Global configuration
Command History Release
12.1(6)EA2
12.1(9)EA1
Usage Guidelines
A cause (dtp-flap, gbic-invalid, link-flap, and pagp-flap) is 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 the error-disabled state until you enter the shutdown and 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.
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 error disable detection for the link-flap error-disable cause:
Switch(config)# errdisable detect cause link-flap
You can verify your settings by entering the show errdisable detect privileged EXEC command.
Catalyst 2950 Desktop Switch Command Reference
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errdisable detect cause {all | dtp-flap | gbic-invalid | link-flap | pagp-flap}
no errdisable detect cause {all | dtp-flap | gbic-invalid | link-flap | pagp-flap}
Enable detection for all error disable causes.
Enable detection for the Dynamic Trunking Protocol (DTP)- flap cause.
Enable error detection for an invalid GBIC error-disable cause.
Enable detection for the link flap cause.
Enable detection for the Port Aggregation Protocol (PAgP)-flap cause.
Modification
This command was first introduced.
The bpduguard, rootguard, and udld keywords were removed. The
gbic-invalid keyword was added.
Chapter 2 Cisco IOS Commands
78-11381-05