interface null

Function

Using the interface null command, you can enter the null interface view.

Format

interface null 0

Parameters

None

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The Null0 interface never forwards or accepts any traffic. All traffic sent to this interface is directly discarded. Unnecessary traffic can be sent to the Null0 interface to avoid using ACLs.

Precautions

There is only one null interface, named null0. This interface is always Up and cannot be shut down or deleted.

Example

# Enter the view of the Null0 interface.

<HUAWEI> system-view

[HUAWEI] interface null 0

[HUAWEI-NULL0]