Dell Command Line Reference Guide for the S4048–ON System 9.14.2.4

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ipv6 unnumbered

Configure a tunnel interface to operate without a unique IPv6 address and select the interface from which the tunnel borrows its address.

Syntax
ipv6 unnumbered {interface-type interface-number}

To set the tunnel back to default logical address use the no ipv6 unnumbered command. If the tunnel was previously operational, the tunnel interface is operationally down unless you also configure the tunnel IPv4 address.

Parameters
interface-type interface-number

Enter the interface type, followed by the type, and then the slot/port/subport information.

Defaults
None.
Command Modes
INTERFACE TUNNEL
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.5(0.1)
Introduced on the Z9500.
9.4(0.0)
Introduced on the S4810, S4820T.
9.3(0.1)
Introduced on the S6000 and Z9000.
Usage Information
The ipv6 unnumbered command fails in two conditions:
  • If the logical IP address is configured.
  • If Tunnel mode is ipv6ip (where ip address over tunnel interface is not possible).

To ping the unnumbered tunnels, the logical address route information must be present at both the ends.

NOTE: The ipv6 unnumbered command can specify an interface name that does not exist or does not have a configured IPv6 address. The tunnel interface is not changed to operationally up until the logical IP address is identified from one of the address family.

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