undo dcn vlan

Function

The dcn vlan command configures a DCN virtual local area network (VLAN).

The undo dcn vlan command deletes the DCN VLAN configuration.

By default, no DCN VLAN is configured in router mode, and the DCN VLAN ID is 4094 in transport mode.

This command varies in transport and router modes. For detailed differences, see Differences Between Commands in Transport and Router Modes. This topic describes the command configuration in router mode.

Format

undo dcn vlan

Parameters

None

Views

System view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
dcn	write

Usage Guidelines

Usage Scenario

To enable DCN packets to pass through a Layer 2 network, run the dcn vlan command to configure a DCN VLAN. Then, the DCN VLAN ID specified in this command will be added to DCN packets before they are sent out.

Prerequisites

The DCN feature has been enabled globally using the dcn command in the system view.

Precautions

Running this command in the system view to configure a global DCN VLAN refreshes the DCN VLAN configurations of all interfaces.
Running this command in the interface view to configure a DCN VLAN refreshes the DCN VLAN configurations of only the interface.

New configurations overwrite existing configurations." jquery172019013437193979288="201"> In VS mode, this command is supported only by the admin VS.
Running this command in the system view to configure a global DCN VLAN refreshes the DCN VLAN configurations of all interfaces.
Running this command in the interface view to configure a DCN VLAN refreshes the DCN VLAN configurations of only the interface.
New configurations overwrite existing configurations.

Example

# Configure DCN VLAN 4093.

<HUAWEI> system-view
[~HUAWEI] dcn
Warning: This operation will enable DCN function. Continue? [Y/N]:y
[*HUAWEI-dcn] quit
[*HUAWEI] dcn vlan 4093
[*HUAWEI] undo dcn vlan