06-IP Multicast Command Reference

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11-IPv6 multicast routing and forwarding commands

IPv6 multicast routing and forwarding commands

The term "interface" in this chapter refers to VLAN interfaces.

display ipv6 mrib interface

Use display ipv6 mrib interface to display information about interfaces maintained by the IPv6 MRIB, including IPv6 PIM interfaces, MLD interfaces, register interfaces, InLoopBack0 interfaces, and null0 interfaces.

Syntax

display ipv6 mrib [ vpn-instance vpn-instance-name ] interface [ interface-type interface-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays information about interfaces maintained by the IPv6 MRIB on the public network.

interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, this command displays information about all interfaces maintained by the IPv6 MRIB.

Examples

# Display information about all interfaces maintained by the IPv6 MRIB on the public network.

<Sysname> display ipv6 mrib interface

 Interface: Vlan-interface1

     Index: 0x00000001

     Current state: up

     MTU: 1500

     Type: BROADCAST

     Protocol: PIM-DM

     PIM protocol state: Enabled

     Address list:

          1. Local address : FE80:7:11::1/10

             Remote address: ::

             Reference     : 1

             State         : NORMAL

Table 1 Command output

Field

Description

Interface

Interface name.

Index

Index number of the interface.

Current state

Current status of the interface: up or down.

MTU

MTU value.

Type

Interface type:

·     BROADCAST—Broadcast link interface.

·     LOOP—Loopback interface.

·     REGISTER—Register interface.

·     NBMA—NBMA interface.

·     MTUNNEL—Multicast tunnel interface.

Protocol

Protocol running on the interface: PIM-DM, PIM-SM, or MLD.

PIM protocol state

Whether IPv6 PIM is enabled:

·     Enabled

·     Disabled

Address list

Interface address list.

Local address

Local IP address.

Remote address

Remote end IP address. This field is displayed when the interface is vlink type.

Reference

Number of times that the address has been referenced.

State

Status of the interface address: NORMAL or DEL.

 

display ipv6 multicast boundary

Use display ipv6 multicast boundary to display IPv6 multicast boundary information.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] boundary { group [ ipv6-group-address [ prefix-length ] ] | scope [ scope-id ] } [ interface interface-type interface-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays IPv6 multicast boundary information on the public network.

group: Displays the IPv6 multicast boundary information for the specified group.

ipv6-group-address: Specifies an IPv6 multicast group by its IPv6 address in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F. If you do not specify an IPv6 multicast group, this command displays the IPv6 multicast boundary information of all IPv6 multicast groups.

prefix-length: Specifies an address prefix length in the range of 8 to 128. The default is 128.

scope: Displays the IPv6 multicast group boundary information in the admin-scope zone.

scope-id: Specifies an admin-scope zone by its ID in the range of 3 to 15, which is identified by the scope field in the IPv6 multicast group address. If you do not specify an admin-scoped zone, this command displays the IPv6 multicast boundary information of all IPv6 admin-scope zones.

interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, this command displays IPv6 multicast boundary information on all interfaces.

Examples

# Display the IPv6 multicast boundary information of all IPv6 multicast groups on all interfaces on the public network.

<Sysname> display ipv6 multicast boundary group

 Boundary                                                 Interface

 FF1E::/64                                                Vlan1

# Display IPv6 multicast boundary information in all IPv6 admin-scope zones on all interfaces on the public network.

<Sysname> display ipv6 multicast boundary scope

 Boundary            Interface

        3            Vlan-interface1

Table 2 Command output

Field

Description

Boundary

IPv6 multicast group or IPv6 admin-scope zone that corresponds to the IPv6 multicast boundary.

Interface

Boundary interface that corresponds to the IPv6 multicast boundary.

 

Related commands

ipv6 multicast boundary

display ipv6 multicast forwarding df-info

Use display ipv6 multicast forwarding df-info to display information about the DF for IPv6 multicast forwarding.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] forwarding df-info [ ipv6-rp-address ] [ verbose ] [ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays information about the DF for IPv6 multicast forwarding on the public network.

ipv6-rp-address: Specifies an RP of IPv6 BIDIR-PIM by its IPv6 address.

verbose: Displays detailed information. If you do not specify this keyword, the command displays brief information.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify this option, the command displays information about the DF for IPv6 multicast forwarding on the master device.

Usage guidelines

The router that acts as a DF is the only IPv6 multicast data forwarder to the RP in an IPv6 BIDIR-PIM domain.

Examples

# Display brief information about the DF for IPv6 multicast forwarding on the public network.

<Sysname> display ipv6 multicast forwarding df-info

Total 1 RP, 1 matched

 

00001. RP address: 7:11::1

     Flags: 0x0

     Uptime: 01:46:40

     RPF interface: Vlan-interface1

     List of 1 DF interface:

       1: Vlan-interface2

# Display detailed information about the DF for IPv6 multicast forwarding on the public network.

<Sysname> display ipv6 multicast forwarding df-info verbose

Total 1 RP, 1 matched

 

00001. RP address: 7:11::1

     MID: 2, Flags: 0x0

     Uptime: 00:03:53

       Product information: 0x7a2f762f, 0x718fee9f, 0x4b82f137, 0x71c32184

     RPF interface: Vlan-interface1

       Product information: 0xa567d6fc, 0xadeb03e3

       Tunnel  information: 0xdfb107d4, 0x7aa5d510

     List of 1 DF interface:

       1: Vlan-interface2

          Product information: 0xa986152b, 0xb74a9a2f

          Tunnel  information: 0x297ca208, 0x76985b89

Table 3 Command output

Field

Description

Total 1 RP, 1 matched

Total number of RPs and total number of matched RPs.

00001

Sequence number of the entry to which the RP is designated.

MID

ID of the entry to which the RP is designated. Each entry to which the RP is designated has a unique MID.

Flags

Entry flag.

This field displays one flag or the sum of multiple flags. In this example, the value 0x0 means that the entry has only one flag 0x0.

The following flags are available for an entry:

·     0x0—The entry is in correct state.

·     0x4—The entry fails to update.

·     0x8—DF interface information fails to update for the entry.

·     0x40—The entry is to be deleted.

·     0x100—The entry is being deleted.

·     0x200—The entry is in GR state.

Uptime

Existence duration for the entry to which the RP is designated.

RPF interface

RPF interface to the RP.

List of 1 DF interface

DF interface list.

 

display ipv6 multicast forwarding event

Use display ipv6 multicast forwarding event to display statistics for IPv6 multicast forwarding events.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] forwarding event [ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays statistics for the IPv6 multicast forwarding events on the public network.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify this option, the command displays statistics for the IPv6 multicast forwarding events on the master device.

Examples

# Display statistics for the IPv6 multicast forwarding events on the public network.

<Sysname> display ipv6 multicast forwarding event

Total entry active event sent: 0

Total entry inactive event sent: 0

Total NoCache event sent: 2

Total NoCache event dropped: 0

Total WrongIF event sent: 0

Total WrongIF event dropped: 0

Total SPT switch event sent: 0

NoCache rate limit: 1024 packets/s

WrongIF rate limit: 1 packets/10s

Total timer of register suppress timeout: 0

Table 4 Command output

Field

Description

Total entry active event sent

Number of times that the entry-active event has been sent.

Total entry inactive event sent

Number of times that the entry-inactive event has been sent.

Total NoCache event sent

Number of times that the NoCache event has been sent.

Total NoCache event dropped

Number of times that the NoCache event has been dropped.

Total WrongIF event sent

Number of times that the WrongIF event has been sent.

Total WrongIF event dropped

Number of times that the WrongIF event has been dropped.

Total SPT switch event sent

Number of times that the SPT-switch event has been sent.

NoCache rate limit

Rate limit for sending the NoCache event, in pps.

WrongIF rate limit

Rate limit for sending the WrongIF event, in packets per 10 seconds.

Total timer of register suppress timeout

Number of times that the registration suppression has timed out in total.

 

Related commands

reset ipv6 multicast forwarding event

display ipv6 multicast forwarding-table

Use display ipv6 multicast forwarding-table to display IPv6 multicast forwarding entries.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] forwarding-table [ ipv6-source-address [ prefix-length ] | ipv6-group-address [ prefix-length ] | incoming-interface interface-type interface-number | outgoing-interface { exclude | include | match } interface-type interface-number | slot slot-number | statistics ] *

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays IPv6 multicast forwarding entries on the public network.

ipv6-source-address: Specifies an IPv6 multicast source address.

ipv6-group-address: Specifies an IPv6 multicast group address in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F.

prefix-length: Specifies an address prefix length. The default value is 128. For an IPv6 multicast group address, the value range for this argument is 8 to 128. For an IPv6 multicast source address, the value range for this argument is 0 to 128.

incoming-interface: Specifies the IPv6 forwarding entries that contain the specified incoming interface.

interface-type interface-number: Specifies an interface by its type and number.

outgoing-interface: Specifies the IPv6 forwarding entries that contain the specified outgoing interface.

exclude: Specifies the IPv6 forwarding entries that do not contain the specified interface in the outgoing interface list.

include: Specifies the IPv6 forwarding entries that contain the specified interface in the outgoing interface list.

match: Specifies the IPv6 forwarding entries that contain only the specified interface in the outgoing interface list.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify this option, the command displays IPv6 multicast forwarding entries on the master device.

statistics: Displays statistics for the IPv6 multicast forwarding entries.

Examples

# Display IPv6 multicast forwarding entries on the public network.

<Sysname> display ipv6 multicast forwarding-table

Total 1 entry, 1 matched

 

00001. (1::1, ff0e::1)

     Flags: 0x0

     Uptime: 00:08:32, Timeout in: 00:03:26

     Incoming interface: Vlan-interface10

          Incoming sub-VLAN: VLAN 11

          Outgoing sub-VLAN: VLAN 12

                             VLAN 13

     List of 1 outgoing interface:

       1: Vlan-interface20

          Sub-VLAN: VLAN 21

                    VLAN 22

     Matched 19648 packets(20512512 bytes), Wrong If 0 packet

     Forwarded 19648 packets(20512512 bytes)

Table 5 Command output

Field

Description

Total 1 entry, 1 matched

Total number of (S, G) entries, and the total number of matched (S, G) entries.

00001

Sequence number of the (S, G) entry.

(1::1, ff0e::1)

(S, G) entry in the IPv6 multicast forwarding table.

Flags

Entry flag.

This field displays one flag or the sum of multiple flags. In this example, the value 0x0 means that the entry has only one flag 0x0.

The following flags are available for an entry:

·     0x0—The entry is in correct state.

·     0x1—The entry is in inactive state.

·     0x2—The entry is null.

·     0x4—The entry fails to update.

·     0x8—The outgoing interface information fails to update for the entry.

·     0x20—A register outgoing interface is available.

·     0x40—The entry is to be deleted.

·     0x80—The entry is in registration suppression state.

·     0x100—The entry is being deleted.

·     0x200—The entry is in GR state.

·     0x800—The entry has the associated ND entry for the IPv6 multicast source address.

·     0x20000000—The entry is an IPv6 BIDIR-PIM forwarding entry.

Uptime

Length of time for which the (S, G) entry has been up.

Timeout in

Length of time in which the (S, G) entry will time out.

Incoming interface

Incoming interface of the (S, G) entry.

Incoming sub-VLAN

This field is not supported in the current software version.

Incoming sub-VLAN of the super VLAN when the incoming interface of the (S, G) entry is the VLAN interface of this super VLAN.

Outgoing sub-VLAN

This field is not supported in the current software version.

Outgoing sub-VLAN of the super VLAN when the incoming interface of the (S, G) entry is the VLAN interface of this super VLAN.

List of 1 outgoing interfaces

Outgoing interface list of the (S, G) entry.

Sub-VLAN

This field is not supported in the current software version.

Outgoing sub-VLAN of the super VLAN when the outgoing interface of the (S, G) entry is the VLAN interface of this super VLAN.

Matched 19648 packets (20512512 bytes), Wrong If 0 packet

Number of packets (bytes) that match the (S, G) entry, and the number of packets with incoming interface errors.

Forwarded 19648 packets (20512512 bytes)

Number of packets (bytes) that have been forwarded.

 

Related commands

reset ipv6 multicast forwarding-table

display ipv6 multicast forwarding-table df-list

Use display ipv6 multicast forwarding-table df-list to display information about the DF list in the IPv6 multicast forwarding table.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] forwarding-table df-list [ ipv6-group-address ] [ verbose ] [ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays information about the DF list in the IPv6 multicast forwarding table on the public network.

ipv6-group-address: Specifies an IPv6 multicast address, in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F.

verbose: Displays detailed information. If you do not specify this keyword, the command displays brief information.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify this option, the command displays information about the DF list in the IPv6 multicast forwarding table on the master device.

Examples

# Display brief information about the DF list in the IPv6 multicast forwarding table on the public network.

<Sysname> display ipv6 multicast forwarding-table df-list

Total 1 entry, 1 matched

 

00001. (::, FF1E::1)

     List of 1 DF interface:

       1: Vlan-interface1

# Display detailed information about the DF list in the IPv6 multicast forwarding table on the public network.

<Sysname> display ipv6 multicast forwarding-table df-list verbose

Total 1 entry, 1 matched

 

00001. (::, FF1E::1)

       List of 1 DF interface:

         1: Vlan-interface1

            Product information: 0x347849f6, 0x14bd6837

            Tunnel  information: 0xc4857986, 0x128a9c8f

Table 6 Command output

Field

Description

Total 1 entry, 1 matched

Total number of entries, and the total number of matching entries.

00001

Sequence number of the entry.

(::, FF1E::1)

(*, G) entry.

List of 1 DF interface

DF interface list.

 

display ipv6 multicast routing-table

Use display ipv6 multicast routing-table to display IPv6 multicast routing entries.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] routing-table [ ipv6-source-address [ prefix-length ] | ipv6-group-address [ prefix-length ] | incoming-interface interface-type interface-number | outgoing-interface { exclude | include | match } interface-type interface-number ] *

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays IPv6 multicast routing entries on the public network.

ipv6-source-address: Specifies an IPv6 multicast source address.

ipv6-group-address: Specifies an IPv6 multicast group address in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F.

prefix-length: Specifies an address prefix length. The default is 128. For an IPv6 multicast group address, the value range for this argument is 8 to 128. For an IPv6 multicast source address, the value range for this argument is 0 to 128.

incoming-interface: Displays the IPv6 routing entries that contain the specified incoming interface.

interface-type interface-number: Specifies an interface by its type and number.

outgoing-interface: Displays the IPv6 routing entries that contain the specified outgoing interface.

exclude: Displays the IPv6 routing entries that do not contain the specified interface in the outgoing interface list.

include: Displays the IPv6 routing entries that contain the specified interface in the outgoing interface list.

match: Displays the IPv6 routing entries that contain only the specified interface in the outgoing interface list.

Usage guidelines

IPv6 multicast routing tables are the basis of IPv6 multicast forwarding. You can display the establishment state of an (S, G) entry by examining the IPv6 multicast routing table.

Examples

# Display IPv6 multicast routing entries on the public network.

<Sysname> display ipv6 multicast routing-table

 Total 1 entry

 

 00001. (2001::2, FFE3::101)

       Uptime: 00:00:14

       Upstream Interface: Vlan-interface1

       List of 2 downstream interfaces

           1:  Vlan-interface2

           2:  Vlan-interface3

Table 7 Command output

Field

Description

Total 1 entry

Total number of (S, G) entries.

00001

Sequence number of the (S, G) entry.

(2001::2, FFE3::101)

(S, G) entry.

Uptime

Length of time for which the (S, G) entry has been up.

Upstream Interface

Upstream interface at which the (S, G) packets should arrive.

List of 2 downstream interfaces

List of downstream interface lists that need to forward (S, G) packets.

 

Related commands

reset ipv6 multicast routing-table

display ipv6 multicast rpf-info

Use display ipv6 multicast rpf-info to display RPF information for IPv6 multicast sources.

Syntax

display ipv6 multicast [ vpn-instance vpn-instance-name ] rpf-info ipv6-source-address [ ipv6-group-address ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays RPF information for IPv6 multicast sources on the public network.

ipv6-source-address: Specifies an IPv6 multicast source address.

ipv6-group-address: Specifies an IPv6 multicast group address in the range of FFxy::/16 (excluding FFx0::/16, FFx1::/16, FFx2::/16, and FF0y::), where "x" and "y" represent any hexadecimal numbers from 0 to F.

Examples

# Display all RPF information of the multicast source with an IPv6 address 2001::101 on the public network.

<Sysname> display ipv6 multicast rpf-info 2001::101

 RPF information about source 2001::101:

     RPF interface: Vlan-interface1, RPF neighbor: FE80::A01:101:1

     Referenced prefix/prefix length: 2001::/64

     Referenced route type: igp

     Route selection rule: preference-preferred

     Load splitting rule: disable

Table 8 Command output

Field

Description

RPF information about source 2001::101

RPF information of the IPv6 multicast source 2001::101.

RPF interface

Type and number of the RPF interface.

RPF neighbor

IPv6 address (link-local address) of the RPF neighbor.

Referenced prefix/prefix length

Referenced route and its prefix length.

Referenced route type

Type of the referenced route:

·     igp—IPv6 IGP unicast route.

·     egp—IPv6 EGP unicast route.

·     unicast (direct) —IPv6 directly connected unicast route.

·     unicast—Other IPv6 unicast route, such as IPv6 unicast static route.

Route selection rule

RPF route selection rule:

·     Route preference.

·     Longest prefix match.

Load splitting rule

Whether the load splitting feature is enabled.

 

Related commands

·     display ipv6 multicast forwarding-table

·     display ipv6 multicast routing-table

ipv6 multicast boundary

Use ipv6 multicast boundary to configure an IPv6 multicast forwarding boundary.

Use undo ipv6 multicast boundary to delete the specified IPv6 multicast forwarding boundary.

Syntax

ipv6 multicast boundary { ipv6-group-address prefix-length | scope { scope-id | admin-local | global | organization-local | site-local } }

undo ipv6 multicast boundary { ipv6-group-address prefix-length| all | scope { scope-id | admin-local | global | organization-local | site-local } }

Default

No IPv6 multicast forwarding boundary is configured.

Views

Interface view

Predefined user roles

network-admin

Parameters

ipv6-group-address: Specifies an IPv6 multicast group address in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F.

prefix-length: Specifies an address prefix length in the range of 8 to 128.

all: Specifies all IPv6 multicast boundaries configured on the interface.

scope-id: Specifies the ID of an admin-scope zone, in the range of 3 to 15, which is identified by the scope field in the IPv6 multicast group address.

admin-local: Specifies the scope zone as admin-local, which has a scope ID of 4.

global: Specifies the scope zone as global, which has a scope ID of 14.

organization-local: Specifies the scope zone as organization-local, which has a scope ID of 8.

site-local: Specifies the scope zone as site-local, which has a scope ID of 5.

Usage guidelines

You do not need to enable IPv6 multicast routing before executing this command.

A multicast forwarding boundary sets the boundary condition for the IPv6 multicast groups in the specified address range. If the destination address of an IPv6 multicast packet matches the set boundary condition, the packet is not forwarded.

An interface can act as a forwarding boundary for multiple IPv6 multicast groups in different address ranges. You can implement this by using this command on the interface for each multicast address range. These multicast groups must be in the same scope. The latest configuration of a scope overwrites the previous one.

Assume that Set A and Set B are both IPv6 multicast forwarding boundary sets with different address ranges, and that B is a subset of A. A takes effect on the interface no matter whether A is configured earlier or later than B.

Examples

# Configure VLAN-interface 100 to be the forwarding boundary of the IPv6 multicast groups in the range of FF03::/16.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 multicast boundary ff03:: 16

# Configure VLAN-interface 100 to be the forwarding boundary of the IPv6 multicast groups in the admin-local scope.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 multicast boundary scope 4

Related commands

display ipv6 multicast boundary

ipv6 multicast routing

Use ipv6 multicast routing to enable IPv6 multicast routing and enter IPv6 MRIB view.

Use undo ipv6 multicast routing to disable IPv6 multicast routing.

Syntax

ipv6 multicast routing [ vpn-instance vpn-instance-name ]

undo ipv6 multicast routing [ vpn-instance vpn-instance-name ]

Default

IPv6 multicast routing is disabled.

Views

System view

Predefined user roles

network-admin

parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command enables IPv6 multicast routing on the public network.

Usage guidelines

Other Layer 3 IPv6 multicast commands take effect only when IPv6 multicast routing is enabled.

The switch does not forward IPv6 multicast packets before IPv6 multicast routing is enabled.

Examples

# Enable IPv6 multicast routing and enter IPv6 MRIB view on the public network.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6]

# Enable IPv6 multicast routing and enter IPv6 MRIB view in VPN instance mvpn.

<Sysname> system-view

[Sysname] ipv6 multicast routing vpn-instance mvpn

[Sysname-mrib6-mvpn]

load-splitting (IPv6 MRIB view)

Use load-splitting to enable IPv6 multicast load splitting.

Use multicast load-splitting to restore the default.

Syntax

load-splitting { source | source-group }

undo load-splitting

Default

IPv6 multicast load splitting is disabled.

Views

IPv6 MRIB view

Predefined user roles

network-admin

Parameters

source: Specifies IPv6 multicast load splitting on a per-source basis.

source-group: Specifies IPv6 multicast load splitting on a per-source basis and on a per-group basis.

Usage guidelines

This command does not take effect on IPv6 BIDIR-PIM.

Examples

# Enable IPv6 multicast load splitting on a per-source basis on the public network.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6] load-splitting source

longest-match (IPv6 MRIB view)

Use longest-match to specify the longest prefix match principle for RPF route selection.

Use undo longest-match to restore the default.

Syntax

longest-match

undo longest-match

Default

Route preference is used for RPF route selection.

Views

IPv6 MRIB view

Predefined user roles

network-admin

Usage guidelines

This command enables the switch to use the matching route with the longest prefix as the RPF route.

Examples

# Specify the longest prefix match principle for RPF route selection on the public network.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6] longest-match

reset ipv6 multicast forwarding event

Use reset ipv6 multicast forwarding event to clear statistics for IPv6 multicast forwarding events.

Syntax

reset ipv6 multicast [ vpn-instance vpn-instance-name ] forwarding event

Views

User view

Predefined user roles

network-admin

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command clears statistics for the IPv6 multicast forwarding events on the public network.

Examples

# Clear statistics for the IPv6 multicast forwarding events on the public network.

<Sysname> reset ipv6 multicast forwarding event

Related commands

display ipv6 multicast forwarding event

reset ipv6 multicast forwarding-table

Use reset ipv6 multicast forwarding-table to clear IPv6 multicast forwarding entries.

Syntax

reset ipv6 multicast [ vpn-instance vpn-instance-name ] forwarding-table { { ipv6-source-address [ prefix-length ] | ipv6-group-address [ prefix-length ] | incoming-interface { interface-type interface-number } } * | all }

Views

User view

Predefined user roles

network-admin

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command clears IPv6 multicast forwarding entries on the public network.

ipv6-source-address: Specifies an IPv6 multicast source address.

ipv6-group-address: Specifies an IPv6 multicast group address in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F.

prefix-length: Specifies an address prefix length. The default value is 128. For an IPv6 multicast group address, the value range for this argument is 8 to 128. For an IPv6 multicast source address, the value range for this argument is 0 to 128.

incoming-interface: Specifies the IPv6 multicast forwarding entries that contain the specified incoming interface.

interface-type interface-number: Specifies an incoming interface by its type and number.

all: Specifies all forwarding entries in the IPv6 multicast forwarding entries.

Usage guidelines

When a forwarding entry is deleted from the IPv6 multicast forwarding table, the associated routing entry is also deleted from the IPv6 multicast routing table.

Examples

# Clear IPv6 multicast forwarding entries for IPv6 multicast group FF0E::1 on the public network.

<Sysname> reset ipv6 multicast forwarding-table ff0e::1

Related commands

display ipv6 multicast forwarding-table

reset ipv6 multicast routing-table

Use reset ipv6 multicast routing-table to clear IPv6 multicast routing entries.

Syntax

reset ipv6 multicast [ vpn-instance vpn-instance-name ] routing-table { { ipv6-source-address [ prefix-length ] | ipv6-group-address [ prefix-length ] | incoming-interface interface-type interface-number } * | all }

Views

User view

Predefined user roles

network-admin

Parameters

vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command clears IPv6 multicast routing entries on the public network.

ipv6-source-address: Specifies an IPv6 multicast source address.

ipv6-group-address: Specifies an IPv6 multicast group address in the range of FFxy::/16, where "x" and "y" represent any hexadecimal numbers from 0 to F.

prefix-length: Specifies an address prefix length. The default is 128. For an IPv6 multicast group address, the value range for this argument is 8 to 128. For an IPv6 multicast source address, the value range for this argument is 0 to 128.

incoming-interface: Specifies the IPv6 multicast routing entries that contain the specified incoming interface.

interface-type interface-number: Specifies an incoming interface by its type and number.

all: Specifies all IPv6 multicast routing entries.

Usage guidelines

When a routing entry is deleted from the IPv6 multicast routing table, the associated forwarding entry is also deleted from the IPv6 multicast forwarding table.

Examples

# Clear IPv6 multicast routing entries for IPv6 multicast group FF03::101 on the public network.

<Sysname> reset ipv6 multicast routing-table ff03::101

Related commands

display ipv6 multicast routing-table

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