IPv6 router advertisement commands

router-advertisement

Syntax

router-advertisement

no router-advertisement

Context

config>router

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command enables router advertisement on IPV6 interfaces. By default, it is disabled for all IPv6-enabled interfaces.

The no form of this command disables router advertisement on all IPv6 interfaces.

Default

no router-advertisement

interface

Syntax

interface ip-int-name

no interface ip-int-name

Context

config>router>router-advertisement

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures router advertisement properties on a specified IPv6 interface. The interface name must already exist in the config>router>interface>ipv6 context.

The no form of this command disables the specifies IPv6 interface.

Parameters

template-name

Specifies the name of an existing IPv6 interface. An interface name cannot be in the form of an IPv6 address. If the string contains special characters (such as #, $, spaces), the entire string must be enclosed within double quotes. The string must start with a letter and the max is 32 characters.

current-hop-limit

Syntax

current-hop-limit number

no current-hop-limit

Context

config>router>router-advertisement>if

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command enables the router to advertise the hop-limit in ICMPv6 Neighbor Discovery (ND) router advertisement messages.

The no form of this command disables the advertising of the hop-limit in ICMPv6 ND router advertisement messages by the router.

Default

no current-hop-limit

Parameters

number

Specifies the number of hop limits.

Values

0 to 255 (a value of 0 means that there are an unspecified number of hops)

Default

64

managed-configuration

Syntax

managed-configuration

no managed-configuration

Context

config>router>router-advertisement>if

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command enables the ‟managed-config-flag” to be advertised in ICMPv6 ND router advertisement messages.

The no form of this command disables the advertising of the ‟managed-config-flag” in ICMPv6 router advertisement messages.

Default

no managed-configuration

max-advertisement-interval

Syntax

max-advertisement-interval seconds

no max-advertisement-interval

Context

config>router>router-advertisement>if

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the maximum interval between sending ICMPv6 ND router advertisement messages.

The no form of this command disables the setting of a maximum interval between sending ICMPv6 ND router advertisement messages.

Default

no max-advertisement-interval

Parameters

seconds

Specifies the maximum interval, in seconds.

Values

4 to 1800

Default

600

min-advertisement-interval

Syntax

min-advertisement-interval seconds

no min-advertisement-interval

Context

config>router>router-advertisement>if

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the minimum interval between sending ICMPv6 ND router advertisement messages.

The no form of this command disables the setting of a minimum interval between sending ICMPv6 ND router advertisement messages.

Default

no min-advertisement-interval

Parameters

seconds

Specifies the minimum interval, in seconds.

Values

3 to 1350

Default

200

mtu

Syntax

mtu mtu-bytes

no mtu

Context

config>router>router-advertisement>interface

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the MTU for sending packets to the router.

The no form of this command disables the sending of MTU in the router advertisement messages

Default

no mtu

Parameters

mtu-bytes

Specifies the MTU for the nodes to use when sending packets.

Values

1280 to 9212

other-stateful-configuration

Syntax

other-stateful-configuration

no other-stateful-configuration

Context

config>router>router-advertisement>interface

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command enables the ‟other-config-flag” to be advertised in ICMPv6 ND router advertisement messages.

The no form of this command disables the advertising of the ‟other-config-flag” in ICMPv6 router advertisement messages.

Default

no other-stateful-configuration

prefix

Syntax

prefix ipv6-prefix/prefix-length

no prefix

Context

config>router>router-advertisement>interface

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the IPv6 prefix to include in router advertisement messages. To support multiple IPv6 prefixes, use multiple prefix statements.

The no form of this command disables the inclusion of an IPv6 prefix in router advertisement messages.

Default

no prefix

Parameters

ipv6-prefix/prefix-length

The Pv6 prefix.

Values

ipv6-prefix

x:x:x:x:x:x:x:x (eight 16-bit pieces)

x:x:x:x:x:x:d.d.d.d

x - 0 to FFFF (hexadecimal)

d - 0 to 255 (decimal)

ipv6-prefix-length

0 to 128 (7210 SAS-D, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C)

0 to 64 (7210 SAS-Dxp)

autonomous

Syntax

autonomous

no autonomous

Context

config>router>router-advertisement>interface>prefix

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command specifies whether the prefix can be used for a stateless address autoconfiguration.

The no form of this command disables the prefix to be used for a stateless address autoconfiguration.

Default

autonomous

on-link

Syntax

on-link

no on-link

Context

config>router>router-advertisement>interface>prefix

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command specifies whether the prefix can be used for onlink determination.

The no form of this command disables the prefix to be used for onlink determination.

Default

on-link

preferred-lifetime

Syntax

preferred-lifetime [seconds | infinite]

no preferred-lifetime

Context

config>router>router-advertisement>interface>prefix

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the remaining time, in seconds, that this prefix continues to be preferred (time until deprecation). The address generated from a deprecated prefix should not be used as a source address in new communications. However, packets received on such an interface are processed as expected.

The no form of this command does disables the configuration of the time until deprecation for the prefix.

Default

no preferred-lifetime

Parameters

seconds

Specifies the remaining length of time, in seconds, that this prefix will be preferred.

Values

1 to 4294967294

infinite

Specifies that the prefix will always be preferred. A value of 4294967295 represents infinity.

valid-lifetime

Syntax

valid-lifetime [seconds | infinite]

no valid-lifetime

Context

config>router>router-advertisement>interface>prefix

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command specifies the length of time, in seconds, that the prefix is valid for the purpose of onlink determination. The address generated from an invalidated prefix should not appear as the destination or source address of a packet.

The no form of this command disables configuration of the time that the prefix is valid for the purpose of onlink determination.

Default

no valid-lifetime

Parameters

seconds

Specifies the remaining length of time, in seconds, that this prefix will be valid.

Values

1 to 4294967294

infinite

Specifies that the prefix will always be valid. A value of 4294967295 represents infinity.

reachable-time

Syntax

reachable-time milli-seconds

no reachable-time

Context

config>router>router-advertisement>interface

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures how long the router should be considered reachable by other nodes on the link after receiving a reachability confirmation.

The no form of this command disables the configuration of how long the router should be considered reachable.

Default

no reachable-time

Parameters

milli-seconds

Specifies the amount of time, in milliseconds, that the router will be considered reachable.

Values

0 to 3600000

retransmit-time

Syntax

retransmit-time milli-seconds

no retransmit-time

Context

config>router>router-advertisement>interface

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the retransmission frequency of neighbor solicitation messages.

The no form of this command disables the configuration of the retransmission frequency of neighbor solicitation messages.

Default

no retransmit-time

Parameters

milli-seconds

Specifies the length of time, in milliseconds, that a host should wait before retransmitting neighbor solicitation messages.

Values

0 to 1800000

router-lifetime

Syntax

router-lifetime seconds

no router-lifetime

Context

config>router>router-advertisement>interface

Platforms

7210 SAS-D, 7210 SAS-Dxp, 7210 SAS-K 2F6C4T, 7210 SAS-K 3SFP+ 8C

Description

This command configures the router lifetime.

The no form of this command disables the configuration of the router lifetime.

Default

no router-lifetime

Parameters

seconds

Specifies the router lifetime, in seconds.

Values

0, 4 to 9000 (a value of 0 means that the router is not a default router on this link)