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Command Reference Guide
ipv6 address <ipv6 link-local address> link-local
Use the ipv6 address link-local command to manually assign a link-local Internet Protocol version 6
(IPv6) address to the interface and enable IPv6 processing on the interface. Use the no form of this
command to remove the IPv6 address from the interface.
Syntax Description
<ipv6 link-local address>
link-local
Default Values
By default, no IPv6 address is configured for the interface and IPv6 processing is not enabled.
Command History
Release 18.1
Functional Notes
A single link-local address can be manually configured on an interface. The lower 64 bits of the specified
address become the Interface ID for the interface, overriding the default interface ID. Any other address
that uses the EUI-64 parameter to automatically place the interface ID in the lower 64 bits of the IPv6
address use the new value for the interface ID.
The <ipv6 address> for a link-local IPv6 address is specified in the format FE80::<bits>. The <bits> are the
lower 64 bits of the link-local IPv6 address, and since this form of address has no prefix, the bits entered
form the entire IPv6 address. These bits also become the new interface ID for the interface and can be
derived from the interface's medium access control (MAC) address.
The link-local parameter specifies this is a manually configured link-local address. Any manually
configured link-local address will replace an automatically configured link-local address for the interface.
Using the no form of this command with a specified IPv6 address removes that IPv6 address from the
interface. Using the no form of this command without a specified IPv6 address removes all manually
configured IPv6 addresses from the interface.
Usage Examples
The following example manually creates a link-local IPv6 address on the interface and enables IPv6
processing:
(config)#interface eth 0/1
(config-eth 0/1)#ipv6 address FE80::220:8FF:FE54:F9D8 link-local
60000CRG0-35E
Specifies the link-local IPv6 address. Link-local addresses are specified in
colon hexadecimal notation, and begin with FE80::<bits>. The <bits> are
the lower 64 bits of the link-local IPv6 address, and since link-local
addresses have no prefix, the bits entered form the entire IPv6 address.
Specifies this is a manually configured link-local address. Manually
configured link-local addresses replace automatically configured link-local
addresses on the interface.
Command was introduced.
Copyright © 2012 ADTRAN, Inc.
Ethernet Interface Command Set
1662
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