Switchport Autostate Exclude - Cisco catalyst 3750 Command Reference Manual
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switchport autostate exclude
switchport autostate exclude
Use the switchport autostate exclude interface configuration command to exclude an interface from
the VLAN interface (switch virtual interface) line-state up or down calculation. Use the no form of this
command to return to the default setting.
Syntax Description
This command has no arguments or keywords.
Defaults
All ports in the VLAN are included in the VLAN interface link-up calculation.
Command Modes
Interface configuration
Command History
Release
12.2(46)SE
Usage Guidelines
Enter the switchport autostate exclude command on a Layer 2 access or trunk port belonging to an SVI.
A VLAN interface (SVI) is up if ports are forwarding traffic in the associated VLAN. When all ports on
a VLAN are down or blocking, the SVI is down. For the SVI line state to be up, at least one port in the
VLAN must be up and forwarding. You can use the switchport autostate exclude command to exclude
a port from the SVI interface line-state up-or-down calculation. For example, you might exclude a
monitoring port from the calculations so that the VLAN is not considered up when only the monitoring
port is active.
When you enter the switchport autostate exclude command on a port, the command applies to all
VLANs that are enabled on the port.
You can verify the autostate mode of an interface by entering the show interface interface-id
switchport privileged EXEC command. If the mode has not been set, the autostate mode does not
appear.
Examples
This example shows how to configure autostate exclude on an interface and to verify the configuration:
Switch(config)#interface gigabitethernet 1/0/1
Switch(config-if)#switchport autostate exclude
Switch(config-if)#end
Switch#show interface gigabitethernet1/0/1 switchport
Name: Gi1/0/1
Switchport: Enabled
Administrative Mode: dynamic auto
Operational Mode: down
Administrative Trunking Encapsulation: negotiate
Negotiation of Trunking: On
Catalyst 3750 Switch Command Reference
2-830
switchport autostate exclude
no switchport autostate exclude
Modification
This command was introduced.
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
OL-8552-07
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