disable loopback-mode vlan
Description
Disallows a VLAN to be placed in the UP state without an external active port. This allows (disallows) the VLANs routing interface to become active.
Syntax Description
| vlan_name | Specifies a VLAN name. |
| vlan_list | Specifies a VLAN list of IDs. |
Default
N/A.
Usage Guidelines
Use this command to specify a stable interface as a source interface for routing protocols. This decreases the possibility of route flapping, which can disrupt connectivity.
Example
The following example disallows the VLAN accounting to be placed in the UP state without an external active port:
disable loopback-mode vlan accounting
History
This command was first available in ExtremeXOS 10.1.
The vlan_list option was added in ExtremeXOS 16.1.
Platform Availability
This command is available on ExtremeSwitching X435, X440-G2, X450-G2, X460-G2, X465, X590, X620, and X695 series switches.