VPRN interface IPv6 commands

ipv6

Syntax

ipv6

no ipv6

Context

config>service>vprn>if

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command enables IPv6 for a VPRN interface.

The no form of this command disables IPv6.

Default

no ipv6

address

Syntax

ipv6 ipv6-address/prefix-length [eui-64] [preferred]

no ipv6 ipv6-address/prefix-length

Context

config>service>vprn>if>ipv6

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command assigns an address to the IPv6 interface.

The no form of this command deletes the specified IPv6 address.

Parameters

ipv6-address/prefix-length

Specifies the interface IP address.

Values

ipv6-address:

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]H

d: [0 to 255]D

prefix-length:

1 to 128

eui-64

Keyword to specify that a complete IPv6 address from the supplied prefix and 64-bit interface identifier is formed. The 64-bit interface identifier is derived from the MAC address on Ethernet interfaces.

preferred

Keyword to specify that the IPv6 address is the preferred IPv6 address for this interface. A preferred address is an address assigned to an interface whose use by upper layer protocols is unrestricted. A preferred address maybe used as the source (or destination) address of packets sent from (or to) the interface.

icmp

Syntax

icmp

Context

config>service>vprn>if>ipv6

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command configures ICMPv6 parameters for the interface.

packet-too-big

Syntax

packet-too-big number seconds

no packet-too-big

Context

config>service>vprn>if>ipv6>icmp

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command specifies whether, and how often, ICMPv6 ‟packet-too-big” messages should be sent. When enabled, ICMPv6 ‟packet-too-big” messages are generated by this interface.

The no form of this command disables the sending of ICMPv6 ‟packet-too-big” messages.

Default

no packet too big

Parameters

number

Specifies the number of ICMPv6 ‟packet-too-big” messages to send in the time frame specified by the seconds parameter.

Values

10 to 1000

Default

100

seconds

Specifies the time frame, in seconds, that is used to limit the number of ICMPv6 ‟packet-too-big” messages sent.

Values

1 to 60

Default

10

param-problem

Syntax

param-problem number seconds

no param-problem

Context

config>service>vprn>if>ipv6>icmp

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command specifies whether, and how often, ICMPv6 ‟parameter-problem” messages should be sent. When enabled, ICMPv6 ‟parameter-problem” messages are generated by this interface.

The no form of this command disables the sending of ICMPv6 ‟parameter-problem” messages.

Default

no param-problem

Parameters

number

Specifies the number of ICMPv6 ‟parameter-problem” messages to send in the time frame specified by the seconds parameter.

Values

10 to 1000

Default

100

seconds

Specifies the time frame, in seconds, that is used to limit the number of ICMPv6 ‟parameter-problem” messages sent.

Values

1 to 60

Default

10

redirects

Syntax

redirects number seconds

no redirects

Context

config>service>vprn>if>ipv6>icmp

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command configures ICMPv6 ‟redirect” messages. When enabled, ICMPv6 redirects are generated when routes are not optimal on this router and another router on the same subnetwork has a better route. The messages alert the node that a better route is available.

The no form of this command disables the sending of ICMPv6 redirect messages.

Default

no redirects

Parameters

number

Specifies the number of ICMPv6 ‟redirect” messages to send in the time frame specified by the seconds parameter.

Values

10 to 1000

Default

100

seconds

Specifies the time frame, in seconds, that is used to limit the number of ICMPv6 ‟redirect” messages sent.

Values

1 to 60

Default

10

time-exceeded

Syntax

time-exceeded number seconds

no time-exceeded

Context

config>service>vprn>if>ipv6>icmp

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command configures the rate for ICMPv6 ‟time-exceeded” messages.

The no form of this command disables the sending of ICMPv6 ‟time-exceeded” messages.

Default

no time-exceeded

Parameters

number

Specifies the number of ICMPv6 ‟time-exceeded” messages to send in the time frame specified by the seconds parameter.

Values

10 to 1000

Default

100

seconds

Specifies the time frame, in seconds, that is used to limit the number of ICMPv6 ‟time-exceeded” messages sent.

Values

1 to 60

Default

10

unreachables

Syntax

unreachables number seconds

no unreachables

Context

config>service>vprn>if>ipv6>icmp

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command configures the rate for ICMPv6 host and network destination ‟unreachables” messages issued on the router interface.

The no form of this command disables the generation of ICMPv6 destination ‟unreachables” messages on the router interface.

Default

no unreachables

Parameters

number

Specifies the number of ICMPv6 ‟unreachables” messages to send in the time frame specified by the seconds parameter.

Values

10 to 1000

Default

100

seconds

Specifies the time frame, in seconds, that is used to limit the number of ICMPv6 ‟unreachables” messages sent.

Values

1 to 60

Default

10

link-local-address

Syntax

ipv6 ipv6-address [preferred]

no ipv6 ipv6-address/prefix-length

Context

config>service>vprn>if>ipv6

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command assigns the IPv6 link local address to the interface.

Parameters

ipv6-address

Specifies the IPv6 link local address.

Values

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]H

d: [0 to 255]D

preferred

Keyword to specify that the IPv6 link local address is the preferred IPv6 link local address for this interface. A preferred address is an address assigned to an interface whose use by upper layer protocols is unrestricted. A preferred addresses maybe used as the source (or destination) address of packets sent from (or to) the interface.

local-proxy-nd

Syntax

local-proxy-nd number seconds

no local-proxy-nd

Context

config>service>vprn>if>ipv6

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command enables local proxy neighbor discovery on the interface.

The no form of this command disables local proxy neighbor discovery.

Default

no local-proxy-nd

neighbor

Syntax

neighbor ipv6-address mac-address

no neighbor ipv6-address

Context

config>service>vprn>if>ipv6

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command configures IPv6-to-MAC address mapping on the interface.

The no form of this command deletes IPv6-to-MAC address mapping for the specified IPv6 address.

Parameters

ipv6-address

Specifies the IPv6 address.

Values

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]H

d: [0 to 255]D

mac-address

Specifies the 48-bit MAC address for the IPv6-to-MAC address mapping in the form aa:bb:cc:dd:ee:ff or aa-bb-cc-dd-ee-ff, where aa, bb, cc, dd, ee and ff are hexadecimal numbers. Allowed values are any unicast MAC addresses and non-IEEE reserved MAC addresses.

proxy-nd-policy

Syntax

proxy-nd-policy policy-name [policy-name...(up to 5 max)]

no proxy-nd-policy

Context

config>service>vprn>if>ipv6

Platforms

7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C

Description

This command applies a proxy neighbor discovery policy for the interface.

The no form of this command disables the proxy neighbor discovery policy application.

Default

no proxy-nd-policy

Parameters

policy-name

Specifies an existing neighbor discovery policy name. Allowed values are any string up to 32 characters comprised of printable, 7-bit ASCII characters. If the string contains special characters (such as #, $, spaces), the entire string must be enclosed within double quotes. The specified policy names must already be defined.