ADTRAN 1000R Series tunnel key <value>

Command Reference Guide Tunnel Configuration Command Set

tunnel key <value>

Use the tunnel key command to specify a value shared by both endpoints of the tunnel that will provide

minimal security and delineate between tunnels with the same source and destination addresses. Use the no

form of this command to disable the key.

Syntax Description

<value> Defines the key value for this tunnel (valid range: 1 to 4,294,967,294).

Default Values

By default, a key is not configured.

Applicable Platforms

This command applies to the NetVanta 300, 1000R, 2000, 3000, 4000, and 5000 and Total Access 900

Series units.

Command History

Release 9.1 Command was introduced.

Functional Notes

A matching key value must be defined on both endpoint s of the tunnel or packets will be discarded.

Usage Examples

The following example sets the key on a tunnel interface to a value of 1234:

(config)#interface tunnel 1

(config-tunnel 1)#tunnel key 1234

Technology Review

When enabled, the key will be stored in the GRE header and the key present bit will be set.