Disable Loopback-Mode Vlan - Extreme Networks ExtremeWare Command Reference Manual

IP Unicast Commands

disable loopback-mode vlan

disable loopback-mode vlan [<vlan name> | all]
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.
all Specifies all VLANs.
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 command 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 ExtremeWare 6.1.
This command was added to the "e" series of switches in ExtremeWare 7.1e.
Platform Availability
This command is available on all platforms.
1652 ExtremeWare 7.5 Command Reference Guide