
C613-50186-01 Rev B
Command Reference for AR2050V
2749
AlliedWare Plus™ Operating System - Version 5.4.7-1.x
GRE T
UNNELING
C
OMMANDS
IPV
6
ADDRESS
(GRE)
ipv6 address (GRE)
Overview
Use this command to set an IPv6 address on a tunnel interface and enable IPv6. Use
the optional
eui64
parameter to derive the interface identifier of the IPv6 address
from the MAC address of the first Ethernet port.
Use the
no
variant of this command to remove the IPv6 address assigned and
disable IPv6. Note that if no global addresses are left after removing the IPv6
address then IPv6 is disabled.
Syntax
ipv6 address
<ipv6-addr/prefix-length>
[eui64]
no ipv6 address
<ipv6-addr/prefix-length>
[eui64]
Mode
Interface Configuration
Usage
If the
eui64
parameter is specified then the lower 64 bits of the IPv6 address are
replaced with the same address that would be acquired through stateless address
autoconfiguration (SLAAC) if the device received an RA (Router Advertisement)
specifying this prefix. See
description and examples to enable and disable SLAAC.
Note that link-local addresses are retained in the system until they are negated by
using the no variant of the command that established them. See the
command for more information.
Also note that the link-local address is retained in the system if the global address
is removed using another command, which was not used to establish the link-local
address. For example, if a link local address is established with the
command then it will not be removed using a
no ipv6 address
command.
Example
To assign the IPv6 address 2001:0db8::a2/64 to the tunnel interface
tunnel2
, use
the commands:
awplus#
configure terminal
awplus(config)#
interface tunnel2
awplus(config-if)#
ipv6 address 2001:0db8::a2/64
Parameter
Description
<
ipv6-addr/prefix-
length
>
Specifies an IPv6 address. The IPv6 address uses the
format X:X::X:X/prefix-length.
eui64
Specifies the lower 64 bits of the IPv6 address from
the eui64 interface identifier (EUI - Extended
Unique Identifier). EUI-64 identifiers are used as the
least significant 64 bits of a unicast network
address or a link-local address using stateless
autoconfiguration.