3.2.17. ipv6-autoconf

Note

requires a Product License.

Top level container for IPv6 autoconf configuration.

vsr running config# vrf <vrf> ipv6-autoconf

enabled (pushed)

Enable or disable the ipv6 autoconfiguration service.

vsr running config# vrf <vrf> ipv6-autoconf
vsr running ipv6-autoconf# enabled true|false
Default value
false

interface

List of interfaces to advertise on.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>

<interface>

An interface name.

max-advertisement-interval

unit: seconds

The maximum time allowed between sending unsolicited multicast router advertisements from the interface. Must be no less than 4 seconds.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># max-advertisement-interval <4-1800>
Default value
600

min-advertisement-interval

unit: seconds

The minimum time allowed between sending unsolicited multicast router advertisements from the interface.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># min-advertisement-interval <3-1350>
Default value
3

managed

Set hosts to use the stateful protocol for address autoconfiguration in addition to any addresses autoconfigured using stateless address autoconfiguration. See RFC 4862.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># managed true|false
Default value
false

other-config

Set hosts to use the stateful protocol for autoconfiguration of other (non-address) information. See RFC 4862.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># other-config true|false
Default value
false

reachable-time

unit: milliseconds

The time, that a node assumes a neighbor is reachable after having received a reachability confirmation. Used by the Neighbor Unreachability Detection algorithm. See Section 7.3 of RFC 4861. Zero value means unspecified.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># reachable-time <0-3600000>
Default value
0

retransmit-timer

unit: milliseconds

The time between retransmitted Neighbor solicitation messages. Used by address resolution and the Neighbor unreachability Detection algorithm. See Sections 7.2 and 7.3 of RFC 4861. Zero value means unspecified.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># retransmit-timer <uint32>
Default value
0

default-lifetime

unit: seconds

The lifetime associated with the default router in seconds.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># default-lifetime <uint16>
Default value
0

dhcp-prefix

The DHCPv6 prefix to advertise.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>

<dhcp-prefix>

An interface name.

suffix

The suffix to add to the prefix received from the DHCPv6 server.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># suffix SUFFIX

SUFFIX

An IPv6 address.

valid-lifetime

unit: seconds

The length of period that the prefixes are valid for the purpose of on-link determination, default is one day.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># valid-lifetime <uint32>
Default value
86400

preferred-lifetime

unit: seconds

The length of period (relative to the time the packet is sent) that addresses generated from the prefix via stateless address autoconfiguration remain preferred, default 4 hours.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># preferred-lifetime <uint32>
Default value
14400

autonomous

Use the prefixes for autonomous address configuration as specified in RFC 4862.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># autonomous true|false
Default value
true

base6-interface

The name of the interface to combine its IPv6 address with the current prefixes. The resulting prefixes length will be 64 bits.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># base6-interface BASE6-INTERFACE

BASE6-INTERFACE

An interface name.

base6to4-interface

The name of the interface whose IPv4 address will be combined with the prefix to produce a valid 6to4 prefix. The first 16 bits of this prefix will be replaced by 2002 and the next 32 bits of this prefix will be replaced by the IPv4 address assigned to interface name. The remaining 80 bits of the prefix will be advertised. Note that this configuration only applies if the interface with the given name does exist, otherwise a reapply will be needed.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># base6to4-interface BASE6TO4-INTERFACE

BASE6TO4-INTERFACE

An interface name.

address (state only)

The delegated prefix received from a DHCPv6 server.

vsr> show state vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix> address

prefix

The IPv6 prefix to advertise.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>

<prefix>

An IPv6 prefix: address and CIDR mask.

valid-lifetime

unit: seconds

The length of period that the prefixes are valid for the purpose of on-link determination, default is one day.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># valid-lifetime <uint32>
Default value
86400

preferred-lifetime

unit: seconds

The length of period (relative to the time the packet is sent) that addresses generated from the prefix via stateless address autoconfiguration remain preferred, default 4 hours.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># preferred-lifetime <uint32>
Default value
14400

autonomous

Use the prefixes for autonomous address configuration as specified in RFC 4862.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># autonomous true|false
Default value
true

base6-interface

The name of the interface to combine its IPv6 address with the current prefixes. The resulting prefixes length will be 64 bits.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># base6-interface BASE6-INTERFACE

BASE6-INTERFACE

An interface name.

base6to4-interface

The name of the interface whose IPv4 address will be combined with the prefix to produce a valid 6to4 prefix. The first 16 bits of this prefix will be replaced by 2002 and the next 32 bits of this prefix will be replaced by the IPv4 address assigned to interface name. The remaining 80 bits of the prefix will be advertised. Note that this configuration only applies if the interface with the given name does exist, otherwise a reapply will be needed.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># base6to4-interface BASE6TO4-INTERFACE

BASE6TO4-INTERFACE

An interface name.

send-interface-address (deprecated)

Attention

Deprecated since: 2024-03-15
Obsolete in release: 25q1
Description: This option is not supported. It is a part of Mobile IPv6 which is not supported by the product.
Replacement: none

Send the address of the interface instead of the prefix.This is required by Mobile IPv6. When set, minimum limits specified by Mobile IPv6 are used for min-adv-interval and max-adv-interval.

vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># send-interface-address true|false