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>
|
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
link-mtu¶
Use MTU option in router advertisement messages to insure that all nodes on a link use the same MTU value in those cases where the link MTU is not well known. If specified, i.e. not 0, must not be smaller than 1280 and not greater than the maximum MTU allowed for this link (e.g. ethernet has a maximum MTU of 1500. See RFC 4864).
vsr running config# vrf <vrf> ipv6-autoconf interface <interface>
vsr running interface <interface># link-mtu <uint32>
- Default value
0
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>
|
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
|
An IPv6 address. |
on-link¶
The prefixes can be used for on-link determination. If not set the advertisement makes no statement about on-link or off-link properties of the prefix.
vsr running config# vrf <vrf> ipv6-autoconf interface <interface> dhcp-prefix <dhcp-prefix>
vsr running dhcp-prefix <dhcp-prefix># on-link true|false
- Default value
true
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
|
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
|
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>
|
An IPv6 prefix: address and CIDR mask. |
on-link¶
The prefixes can be used for on-link determination. If not set the advertisement makes no statement about on-link or off-link properties of the prefix.
vsr running config# vrf <vrf> ipv6-autoconf interface <interface> prefix <prefix>
vsr running prefix <prefix># on-link true|false
- Default value
true
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
|
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
|
An interface name. |
send-interface-address (deprecated)¶
Attention
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