Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
clear errdisable
clear errdisabl e
To re-enable error-disabled VLANs on an interface, use the clear errdisable command.
clear errdisable interface {name} vlan [range]
Syntax Description
Defaults T his command has no default settings.
Command Modes Global c onfiguratio n mode
Usage Guidelines I f a VLAN range is not specified, all VLANs on the specified interface are re-enabled. The clear
errdisable command recovers the disabled VLANs on an interface.
Clearing the error-disable d state from a virtual port doe s not change the link state of the physical port,
and it does not affect other VLAN ports on the physical port. It does post an event to STP, and spanning
tree goes through its normal pr ocess of bringing that VL AN port to the appropriate bl ocking or
forwarding state.
Examples This exampl e shows how to re-enable a rang e of disabled VLANs on an intera face:
Switch# clear errdisable interface ethernet2 vlan 10-15
Switch#
Related Commands
interface name Specifies the interface of the VLAN(s) to recover.
vlan Specifies all VLANs on the interface be recovered.
range (Optional) Specifies the VLAN range to be recovered.
Command Description
errdisable detect E nables error-disable detection.
show errdisable detect D isplays the error-disable detection status.
show interfaces status Displays the interface status or a list of interfaces in
error-disabled state.
switchport port-security Enables port security on an interface.