Reference Guide

59
Tunneling Commands
Tunnel interfaces create a logical tunnel for IPv4 or IPv6 traffic. You can configure DCSP, hop-limits and
flow-labels. To enable a tunnel interface, use the following commands.
ip unnumbered
Configure a tunnel interface to operate without a unique IPv4 address and select the interface from
which the tunnel borrows its address.
C9000 Series
Syntax ip unnumbered {interface-type interface-number}
To set the tunnel back to default logical address use the no ip unnumbered
command. If the tunnel was previously operational, the tunnel interface is
operationally down unless you also configure the tunnel IPv6 address.
Parameters
interface-type
interface-number
Enter the interface type, followed by a slot number.
Defaults None
Command Modes INTERFACE TUNNEL
Command History
This guide is platform-specific. For command information about other platforms,
see the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.7(0.0) Introduced on the S6000-ON.
9.3(0.1) Introduced on the S6000 and Z9000.
9.4(0.1) Introduced on the S4810, S4820T, S6000 and Z9000.
Usage Information
The ip unnumbered command fails in two conditions:
• If the logical ip address is configured.
2020
Tunneling Commands