In an IPv6 BIDIR-PIM domain, one DF election per RP is implemented on all IPv6 PIM-enabled interfaces. As a best practice, do not configure multiple RPs to avoid unnecessary DF elections.

This configuration sets a limit on the number of IPv6 BIDIR-PIM RPs. If the number of RPs exceeds the limit, extra RPs do not take effect and can be used only for DF election rather than IPv6 multicast data forwarding.

Examples

# Set the maximum number of IPv6 BIDIR-PIM RPs to 3 on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] bidir-rp-limit 3

bsm-fragment enable (IPv6 PIM view)

Use bsm-fragment enable to enable bootstrap message (BSM) semantic fragmentation.

Use undo bsm-fragment enable to disable BSM semantic fragmentation.

Syntax

bsm-fragment enable

undo bsm-fragment enable

Default

BSM semantic fragmentation is enabled.

Views

IPv6 PIM view

Predefined user roles

network-admin

Usage guidelines

Disable the BSM semantic fragmentation feature if the IPv6 PIM-SM domain contains a device that does not support this feature.

Examples

# Disable BSM semantic fragmentation on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] undo bsm-fragment enable

bsr-policy (IPv6 PIM view)

Use bsr-policy to configure a BSR policy.

Use undo bsr-policy to remove the configuration.

Syntax

bsr-policy acl6-number

undo bsr-policy

Default

No BSR policy exists, and all bootstrap messages are regarded as legal.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

acl6-number: Specifies an IPv6 basic ACL by its number in the range of 2000 to 2999.

Usage guidelines

A BSR policy filters bootstrap messages to guard against BSR spoofing.

When you configure a rule in the IPv6 basic ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies a BSR address.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

If you execute this command multiple times, the most recent configuration takes effect.

Examples

# On the public network, configure a BSR policy so that only the devices on the subnet of 2001::2/64 can act as BSRs.

<Sysname> system-view

[Sysname] acl ipv6 number 2000

[Sysname-acl6-basic-2000] rule permit source 2001::2 64

[Sysname-acl6-basic-2000] quit

[Sysname] ipv6 pim

[Sysname-pim6] bsr-policy 2000

Related commands

c-bsr (IPv6 PIM view)

Use c-bsr to configure a candidate-BSR (C-BSR).

Use undo c-bsr to remove a C-BSR.

Syntax

c-bsr ipv6-address [ scope scope-id ] [ hash-length hash-length | priority priority ] *

undo c-bsr ipv6-address [ scope scope-id ]

Default

No C-BSRs exist.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

ipv6-address: Specifies the IPv6 address of a C-BSR. You must specify the IPv6 address of a local IPv6 PIM interface.

scope scope-id: Specifies an IPv6 admin-scoped zone by its ID in the range of 3 to 15. If you do not specify an IPv6 admin-scoped zone, this command designates the C-BSR to the global-scoped zone.

hash-length hash-length: Specifies a hash mask length in the range of 0 to 128. The default setting is 126.

priority priority: Specifies a C-BSR priority in the range of 0 to 255. The default setting is 64. A larger value represents a higher priority.

Usage guidelines

If you execute this command for a zone multiple times, the most recent configuration takes effect.

You can configure the same C-BSR for different zones.

Examples

# On the public network, configure the interface with IPv6 address of 1101::1 as a C-BSR for the global-scoped zone.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] c-bsr 1101::1

c-rp (IPv6 PIM view)

Use c-rp to configure a candidate-RP (C-RP).

Use undo c-rp to remove the configuration of a C-RP.

Syntax

c-rp ipv6-address [ advertisement-interval adv-interval | { group-policy acl6-number | scope scope-id } | holdtime hold-time | priority priority ] * [ bidir ]

undo c-rp ipv6-address

Default

No C-RPs exist.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

ipv6-address: Specifies the IPv6 address of a C-RP. You must specify the IPv6 address of a local IPv6 PIM interface.

advertisement-interval adv-interval: Specifies a C-RP advertisement message interval in the range of 1 to 65535 seconds. The default value is 60 seconds.

group-policy acl6-number: Specifies an IPv6 basic ACL number by its number in the range of 2000 to 2999. If you specify an ACL, this command designates the C-RP to IPv6 multicast groups that the ACL permits. The C-RP is designated to all IPv6 multicast groups when one of the following conditions exists:

· You do not specify an ACL.

· The specified ACL does not exist.

· The specified ACL does not have valid rules.

scope scope-id: Specifies an IPv6 admin-scoped zone by its ID in the range of 3 to 15.

holdtime hold-time: Specifies a C-RP lifetime in the range of 1 to 65535 seconds. The default value is 150 seconds.

priority priority: Specifies a C-RP priority in the range of 0 to 255. The default setting is 192. A larger value represents a lower priority.

bidir: Specifies IPv6 BIDIR-PIM to which the C-RP is designated. If you do not specify this keyword, the C-RP provides services for IPv6 PIM-SM.

Usage guidelines

When you configure a rule in the IPv6 basic ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies an IPv6 multicast group range.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

If you execute this command using the same IPv6 address of a C-RP multiple times, the most recent configuration takes effect.

Examples

# On the public network, configure the interface with IPv6 address of 2001::1 as a C-RP for IPv6 multicast group range FF0E:0:1391::/96, and set its priority to 10.

<Sysname> system-view

[Sysname] acl ipv6 number 2000

[Sysname-acl6-basic-2000] rule permit source ff0e:0:1391:: 96

[Sysname-acl6-basic-2000] quit

[Sysname] ipv6 pim

[Sysname-pim6] c-rp 2001::1 group-policy 2000 priority 10

crp-policy (IPv6 PIM view)

Use crp-policy to configure a C-RP policy.

Use undo crp-policy to remove the configuration.

Syntax

crp-policy acl6-number

undo crp-policy

Default

No C-RP policy exists, and all received C-RP messages are regarded as legal.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

acl6-number: Specifies an IPv6 advanced ACL number in the range of 3000 to 3999.

Usage guidelines

A C-RP policy filters C-RP advertisement messages to guard against C-RP spoofing.

The switch uses only the prefixes of the multicast group ranges in advertisement messages to match the destination field in ACL rules. For example, the IPv6 multicast group range specified in a C-RP advertisement message is FF0E:0:1::/96. If the prefix FF0E:0:1:: is in the IPv6 multicast group range specified in the destination field of the ACL, the advertisement message passes the filtering. Otherwise, the advertisement message is discarded.

When you configure a rule in the IPv6 ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies an RP address.

· The destination dest-address dest-prefix option specifies an IPv6 multicast group address.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

If you execute this command multiple times, the most recent configuration takes effect.

Examples

# On the public network, configure a C-RP policy so that only devices on the subnet of 2001::2/64 can be C-RPs for the groups in the range of FF03::101/64.

<Sysname> system-view

[Sysname] acl ipv6 number 3000

[Sysname-acl6-adv-3000] rule permit ipv6 source 2001::2 64 destination ff03::101 64

[Sysname-acl6-adv-3000] quit

[Sysname] ipv6 pim

[Sysname-pim6] crp-policy 3000

Related commands

c-rp (IPv6 PIM view)

display ipv6 pim bsr-info

Use display ipv6 pim bsr-info to display BSR information in the IPv6 PIM-SM domain.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] bsr-info

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, this command displays BSR information on the public network.

Examples

# Display BSR information in the IPv6 PIM-SM domain on the public network.

<Sysname> display ipv6 pim bsr-info

Scope: non-scoped

State: Accept Preferred

Bootstrap timer: 00:01:44

Elected BSR address: 12:12::1

Priority: 64

Hash mask length: 126

Uptime: 00:21:56

Scope: 5

State: Accept Any

Scope-zone expiry timer: 00:21:12

Scope: 6

State: Elected

Bootstrap timer: 00:00:26

Elected BSR address: 17:11::1

Priority: 64

Hash mask length: 126

Uptime: 02:53:37

Candidate BSR address: 17:11::1

Priority: 64

Hash mask length: 126

Scope: 7

State: Candidate

Bootstrap timer: 00:01:56

Elected BSR address: 61:37::1

Priority: 64

Hash mask length: 126

Uptime: 02:53:32

Candidate BSR address: 17:12::1

Priority: 64

Hash mask length: 126

Scope: 8

State: Pending

Bootstrap timer: 00:00:07

Candidate BSR address: 17:13::1

Priority: 64

Hash mask length: 126

Table 1 Command output

Field	Description
Scope-zone expiry timer	Scoped zone aging timer.
Elected BSR address	Address of the elected BSR.
Candidate BSR address	Address of the C-BSR.
Priority	BSR priority.
Uptime	Length of time the BSR has been up.

display ipv6 pim claimed-route

Use display ipv6 pim claimed-route to display information about all routes that IPv6 PIM uses.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] claimed-route [ipv6-source-address ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

ipv6-source-address: Specifies an IPv6 multicast source by its IPv6 address. If you do not specify an IPv6 multicast source, this command displays information about all routes that IPv6 PIM uses.

Examples

# Display information about all routes that IPv6 PIM uses on the public network.

<Sysname> display ipv6 pim claimed-route

RPF-route selecting rule: longest-match

Route/mask: 7:11::/64 (unicast (direct))

RPF interface: Vlan-interface2, RPF neighbor: 8::2

Total number of (S,G) or (*,G) dependent on this route entry: 4

(7:11::10, ff1e::1)

(7:11::10, ff1e::2)

(7:11::10, ff1e::3)

(*, ff1e::4)

Route/mask: 7:12::/64 (unicast)

RPF interface: Vlan-interface2, RPF neighbor: 8::3,

Total number of (S,G) or (*,G) dependent on this route entry: 2

(7:12::10, ff1e::1)

(7:12::10, ff1e::2)

Table 2 Command output

Field	Description
Route/mask	Route entry. Route types in parentheses include: · igp—IGP unicast route. · egp—EGP unicast route. · unicast (direct)—Directly connected unicast route. · unicast—Other unicast route, such as static unicast route. · mbgp—IPv6 MBGP route.
RPF interface	Name of the RPF interface.
RPF neighbor	IPv6 address of the RPF neighbor.
Total number of (S,G) or (*,G) dependent on this route entry	Total number (S, G) or (*, G) entries dependent on the RPF route and their details.

display ipv6 pim c-rp

Use display ipv6 pim c-rp to display C-RP information in the IPv6 PIM-SM domain.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] c-rp [ local ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

local: Specifies local C-RPs. If you do not specify this keyword, the command displays information about all C-RPs.

Usage guidelines

You can display information about learned C-RPs only on the BSR. On other devices, you can display information about the locally configured C-RPs.

Examples

# Display information about learned C-RPs on the public network.

<Sysname> display ipv6 pim c-rp

Scope: non-scoped

Group/MaskLen: FF00::/8 [B]

C-RP address Priority HoldTime Uptime Expires

8:12::2 (local) 192 150 00:27:48 00:01:43

Group/MaskLen: FF23::/92 Expires: 00:02:07

# Display information about the locally configured C-RPs.

<Sysname> display ipv6 pim c-rp local

Candidate RP: 8:12::2(Loop1)

Priority: 192

HoldTime: 150

Advertisement interval: 60

Next advertisement scheduled at: 00:00:46

Table 3 Command output

Field	Description
Group/MaskLen	IPv6 multicast group to which the C-RP is designated.
[B]	The C-RP provides services for IPv6 BIDIR-PIM. If this field is not displayed, the C-RP provides services for IPv6 PIM-SM.
C-RP address	IPv6 address of the C-RP. If the C-RP resides on the device where this command is executed, this field displays (local) after the IPv6 address.
HoldTime	C-RP lifetime.
Uptime	Length of time the C-RP has been up: · w—Weeks. · d—Days. · h—Hours.
Expires	Remaining lifetime for the C-RP and the IPv6 multicast group.
Candidate RP	IPv6 address of the locally configured C-RP.
Advertisement interval	Interval between two advertisement messages sent by the locally configured C-RP.
Next advertisement scheduled at	Remaining time for the locally configured C-RP to send the next advertisement message.

display ipv6 pim df-info

Use display ipv6 pim df-info to display the DF information of IPv6 BIDIR-PIM.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] df-info [ ipv6-rp-address ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

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

Examples

# Display the DF information of IPv6 BIDIR-PIM on the public network.

<Sysname> display ipv6 pim df-info

RP address: 1:1::1

Interface State DF-Pref DF-Metric DF-Uptime DF-Address

XGE1/1/1 Lose 0 0 00:20:13 FE80:7:11::1

Vlan2 Win 10 1 00:20:12 FE80:10:1::2 (local)

Table 4 Command output

Field	Description
State	DF election state: · Win—The interface wins the DF election. · Lose—The interface loses the DF election. · Offer—The interface is in the initial state of the DF election. · Backoff—The interface is acting as the DF, but there are more appropriate devices running for the DF. · -—The interface does not participate in the DF election.
DF-Pref	Advertised route preference for DF election.
DF-Metric	Advertised route metric for DF election.
DF-Uptime	Length of time the DF has been up.
DF-Address	IP address of DF. If the DF resides on the device where this command is executed, this field displays (local) after the IPv6 address.

display ipv6 pim interface

Use display ipv6 pim interface to display IPv6 PIM information on an interface.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] interface [ interface-type interface-number ] [ verbose ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

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

verbose: Displays detailed IPv6 PIM information. If you do not specify this keyword, the command displays brief IPv6 PIM information.

Examples

# Display IPv6 PIM brief information on all interfaces on the public network.

<Sysname> display ipv6 pim interface

Interface NbrCnt HelloInt DR-Pri DR-Address

XGE1/1/1 1 30 1 FE80::200:5EFF:FE04:8700

Table 5 Command output

Field	Description
Interface	Name of the interface.
NbrCnt	Number of IPv6 PIM neighbors.
HelloInt	Interval for sending hello messages.
DR-Pri	DR priority.
DR-Address	IPv6 address (link-local address) of the DR.

# Display detailed IPv6 PIM information on Ten-GigabitEthernet 1/1/1 on the public network.

<Sysname> display ipv6 pim interface ten-gigabitethernet 1/1/1 verbose

Interface: Ten-GigabitEthernet1/1/1, FE80::200:5EFF:FE04:8700

PIM version: 2

PIM mode: Sparse

PIM DR: FE80::200:AFF:FE01:101

PIM DR Priority (configured): 1

PIM neighbor count: 1

PIM hello interval: 30 s

PIM LAN delay (negotiated): 500 ms

PIM LAN delay (configured): 500 ms

PIM override interval (negotiated): 2500 ms

PIM override interval (configured): 2500 ms

PIM neighbor tracking (negotiated): disabled

PIM neighbor tracking (configured): disabled

PIM generation ID: 0xF5712241

PIM require generation ID: disabled

PIM hello hold interval: 105 s

PIM assert hold interval: 180 s

PIM triggered hello delay: 5 s

PIM J/P interval: 60 s

PIM J/P hold interval: 210 s

PIM BSR domain border: disabled

PIM BFD: disabled

PIM passive: disabled

Number of routers on network not using DR priority: 0

Number of routers on network not using LAN delay: 0

Number of routers on network not using neighbor tracking: 2

Table 6 Command output

Field	Description
Interface	Interface name and IPv6 address (link-local address).
PIM mode	IPv6 PIM mode: dense or sparse.
PIM DR	IPv6 address (link-local address) of the DR.
PIM DR Priority (configured)	Configured DR priority.
PIM neighbor count	Total number of IPv6 PIM neighbors.
PIM hello interval	Interval for sending hello messages.
PIM LAN delay (negotiated)	Negotiated IPv6 message propagation delay.
PIM LAN delay (configured)	Configured IPv6 message propagation delay.
PIM override interval (negotiated)	Negotiated interval for overriding prune messages.
PIM override interval (configured)	Configured interval for overriding prune messages.
PIM neighbor tracking (negotiated)	Negotiated neighbor tracking status: enabled or disabled.
PIM neighbor tracking (configured)	Configured neighbor tracking status: enabled or disabled.
PIM require generation ID	Whether the feature of dropping hello messages without Generation_ID is enabled.
PIM hello hold interval	IPv6 PIM neighbor lifetime.
PIM assert hold interval	Assert holdtime timer.
PIM triggered hello delay	Maximum delay for sending hello messages.
PIM J/P interval	Interval for sending join/prune messages.
PIM J/P hold interval	Joined/pruned state holdtime timer.
PIM BSR domain border	Whether an IPv6 PIM domain border is configured.
PIM BFD	Whether IPv6 PIM is enabled to work with BFD.
PIM passive	Whether IPv6 PIM passive mode is enabled.
Number of routers on network not using DR priority	Number of routers that do not use the DR priority field on the subnet where the interface resides.
Number of routers on network not using LAN delay	Number of routers that do not use the LAN delay field on the subnet where the interface resides.
Number of routers on network not using neighbor tracking	Number of routers that are not enabled with neighbor tracking on the subnet where the interface resides.

display ipv6 pim neighbor

Use display ipv6 pim neighbor to display IPv6 PIM neighbor information.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] neighbor [ipv6-neighbor-address | interface interface-type interface-number | verbose ] *

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

ipv6-neighbor-address: Specifies an IPv6 PIM neighbor by its IPv6 address. If you do not specify an IPv6 PIM neighbor, this command displays information about all IPv6 PIM neighbors.

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

verbose: Displays detailed IPv6 PIM neighbor information. If you do not specify this keyword, the command displays brief IPv6 PIM neighbor information.

Examples

# Display brief information about all IPv6 PIM neighbors on the public network.

<Sysname> display ipv6 pim neighbor

Total Number of Neighbors = 2

Neighbor Interface Uptime Expires DR-Priority Mode

FE80::A01:101:1 XGE1/1/1 02:50:49 00:01:31 1 B

FE80::A01:102:1 XGE1/1/2 02:49:39 00:01:42 1

# Display detailed information about the IPv6 PIM neighbor with IPv6 address 11.110.0.20 on the public network.

<Sysname> display ipv6 pim neighbor fe80::a01:101:1 verbose

Neighbor: FE80::A01:101:1

Interface: Ten-GigabitEthernet1/1/3

Uptime: 00:00:10

Expiry time: 00:00:30

DR Priority: 1

Generation ID: 0x2ACEFE15

Holdtime: 105 s

LAN delay: 500 ms

Override interval: 2500 ms

State refresh interval: 60 s

Neighbor tracking: Disabled

Bidirectional PIM: Enabled

Secondary address(es):

1::1

Table 7 Command output

Field	Description
Neighbor	Primary IPv6 address (link-local address) of the IPv6 PIM neighbor.
Interface	Interface that connects to the IPv6 PIM neighbor.
Uptime	Length of time the IPv6 PIM neighbor has been up.
Expires/Expiry time	Remaining lifetime for the IPv6 PIM neighbor. If the IPv6 PIM neighbor is always up and reachable, this field displays never.
DR-Priority/DR Priority	DR priority of the IPv6 PIM neighbor.
Mode	IPv6 PIM mode. If the IPv6 PIM mode is BIDIR-PIM, this field displays B. If an IPv6 PIM mode other than IPv6 BIDIR-PIM is used, this field does not display a value.
Generation ID	Generation ID of the IPv6 PIM neighbor. (A random value represents a status change of the IPv6 PIM neighbor.)
Holdtime	Lifetime of the IPv6 PIM neighbor. If the IPv6 PIM neighbor is always up and reachable, this field displays forever.
LAN delay	IPv6 PIM message propagation delay on the shared-media LAN.
Override interval	Interval for overriding prune messages.
State refresh interval	Interval for refreshing state. This field is displayed only when the IPv6 PIM neighbor is operating in IPv6 PIM-DM mode and the state refresh feature is enabled.
Neighbor tracking	Neighbor tracking status: enabled or disabled.
Bidirectional PIM	Whether IPv6 BIDIR-PIM is enabled.
Secondary address(es)	Secondary IPv6 address (non-link-local address) of the IPv6 PIM neighbor.

display ipv6 pim routing-table

Use display ipv6 pim routing-table to display IPv6 PIM routing entries.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] routing-table [ ipv6-group-address [ prefix-length ] | ipv6-source-address [ prefix-length ] | flags flag-value | fsm | incoming-interface interface-type interface-number | mode mode-type | outgoing-interface { exclude | include | match } interface-type interface-number ] *

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

ipv6-group-address: Specifies an IPv6 multicast group by its IPv6 address. The value range for this argument is 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 IPv6 PIM routing entries for all IPv6 multicast groups.

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

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

flags flag-value: Specifies a flag. If you do not specify a flag, this command displays IPv6 PIM routing entries that contain all flags.

The following lists the values for the flag-value argument and their meanings:

· act: Specifies IPv6 PIM routing entries that have been used for routing data.

· del: Specifies IPv6 PIM routing entries to be deleted.

· exprune: Specifies IPv6 PIM routing entries that contain outgoing interfaces pruned by other IPv6 multicast routing protocols.

· ext: Specifies IPv6 PIM routing entries that contain outgoing interfaces provided by other multicast routing protocols.

· loc: Specifies IPv6 PIM routing entries on the devices that reside on the same subnet as the IPv6 multicast source.

· niif: Specifies IPv6 PIM routing entries that contain unknown incoming interfaces.

· nonbr: Specifies IPv6 PIM routing entries with IPv6 PIM neighbor lookup failure.

· rpt: Specifies IPv6 PIM routing entries on the RPT branches where (S, G) prunes have been sent to the RP.

· spt: Specifies IPv6 PIM routing entries on the SPT.

· swt: Specifies IPv6 PIM routing entries in the process of RPT-to-SPT switchover.

· wc: Specifies IPv6 PIM routing entries with wildcards.

fsm: Displays detailed information about the finite state machine.

incoming-interface interface-type interface-number: Specifies an incoming interface. If you do not specify an incoming interface, this command displays IPv6 PIM routing entries that contain all incoming interfaces.

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

mode mode-type: Specifies an IPv6 PIM mode. If you do not specify an IPv6 PIM mode, this command displays IPv6 PIM routing entries in all modes. The available IPv6 PIM modes include:

· bidir: Specifies IPv6 BIDIR-PIM.

· dm: Specifies IPv6 PIM-DM.

· sm: Specifies IPv6 PIM-SM.

· ssm: Specifies IPv6 PIM-SSM.

outgoing-interface { exclude | include | match } interface-type interface-number: Specifies an outgoing interface. If you do not specify an outgoing interface, this command displays IPv6 PIM routing entries that contain all outgoing interfaces. Whether the specified outgoing interface is contained in the IPv6 PIM routing table depends on the following conditions:

· If you specify an excluded interface, this command displays IPv6 PIM routing entries that do not contain the specified outgoing interface.

· If you specify an included interface, this command displays IPv6 PIM routing entries that contain the specified outgoing interface.

· If you specify a matching interface, this command displays IPv6 PIM routing entries that contain only the specified outgoing interface.

Examples

# Display IPv6 PIM routing entries on the public network.

<Sysname> display ipv6 pim routing-table

Total 0 (*, G) entry; 1 (S, G) entry

(2001::2, FFE3::101)

RP: FE80::A01:100:1

Protocol: pim-sm, Flag: SPT LOC ACT

UpTime: 02:54:43

Upstream interface: Ten-GigabitEthernet1/1/1

Upstream neighbor: NULL

RPF prime neighbor: NULL

Downstream interface(s) information:

Total number of downstreams: 1

1: Ten-GigabitEthernet1/1/2

Protocol: pim-sm, UpTime: 02:54:43, Expires: 00:02:47

# Display the state machine information about the IPv6 PIM routing entries on the public network.

<Sysname> display ipv6 pim routing-table fsm

Total 0 (*, G) entry; 1 (S, G) entry

Abbreviations for FSM states:

NI - no info, J - joined, NJ - not joined, P - pruned,

NP - not pruned, PP - prune pending, W - winner, L - loser,

F - forwarding, AP - ack pending, DR - designated router,

NDR - non-designated router, RCV - downstream receivers

(2001::2, FFE3::101)

RP: FE80::A01:100:1

Protocol: pim-sm, Flag: SPT LOC ACT

UpTime: 02:54:43

Upstream interface: Ten-GigabitEthernet1/1/1

Upstream neighbor: NULL

RPF prime neighbor: NULL

Join/Prune FSM: [SPT: J] [RPT: NP]

Downstream interface(s) information:

Total number of downstreams: 1

1: Ten-GigabitEthernet1/1/2

Protocol: pim-sm, UpTime: 02:54:43, Expires: 00:02:47

DR state: [DR]

Join/Prune FSM: [NI]

Assert FSM: [NI]

FSM information for non-downstream interfaces: None

Table 8 Command output

Field	Description
Total 0 (*, G) entry; 1 (S, G) entry	Total number of (S, G) entries and (*, G) entries.
(2001::2, FFE3::101)	(S, G) entry.
Protocol	IPv6 PIM mode: IPv6 PIM-SM or IPv6 PIM-DM.
Flag	Flag of the (S, G) entry or (*, G) entry: · ACT—The entry has been used for routing data. · DEL—The entry will be removed. · EXPRUNE—Some outgoing interfaces are pruned by other IPv6 multicast routing protocols. · EXT—The entry contains outgoing interfaces provided by other multicast routing protocols. · LOC—The entry is on a router directly connected to the same subnet with the IPv6 multicast source. · NIIF—The entry contains unknown incoming interfaces. · NONBR—The entry has an IPv6 PIM neighbor lookup failure. · RPT—The entry is on an RPT branch where (S, G) prunes have been sent to the RP. · SPT—The entry is on the SPT. · SWT—The entry is in the process of RPT-to-SPT switchover. · WC—The entry contains a wildcard.
Uptime	Length of time since the (S, G) entry or (*, G) entry was installed.
Upstream interface	Upstream (incoming) interface of the (S, G) entry or (*, G) entry.
Upstream neighbor	Upstream neighbor of the (S, G) entry or (*, G) entry.
RPF prime neighbor	RPF neighbor of the (S, G) or (, G) entry: · For a (, G) entry, if the RPF neighbor is the RP, the field displays NULL. · For an (S, G) entry, if the RPF neighbor is a router that directly connects to the IPv6 multicast source, this field displays NULL.
Downstream interface(s) information	Information about the downstream interfaces: · Total number of downstream interfaces. · Names of the downstream interfaces. · Protocol type on the downstream interfaces. · Uptime of the downstream interfaces. · Expiration time of the downstream interfaces.

display ipv6 pim rp-info

Use display ipv6 pim rp-info to display RP information in the IPv6 PIM-SM domain.

Syntax

display ipv6 pim [ vpn-instance vpn-instance-name ] rp-info [ ipv6-group-address ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

ipv6-group-address: Specifies an IPv6 multicast group by its address. The value range for this argument is FFxy::/16 (excluding FFx0::/16, FFx1::/16, FFx2::/16, and FF0y::), where "x" and "y" represent any hexadecimal numbers from 0 to F. If you do not specify an IPv6 multicast group, this command displays RP information for all IPv6 multicast groups.

Examples

# Display information about the RP for IPv6 multicast group FF0E::101 on the public network.

<Sysname> display ipv6 pim rp-info ff0e::101

BSR RP address is: 7:12::1

Priority: 192

HoldTime: 180

Uptime: 03:01:10

Expires: 00:02:30

Static RP address is: 7:12::1

Preferred: No

Configured ACL: 2003

RP mapping for this group is: 7:12::1 (local host)

# Display information about all RPs for all IPv6 multicast groups.

<Sysname> display ipv6 pim rp-info

BSR RP information:

Scope: non-scoped

Group/MaskLen: FF00::/8

RP address Priority HoldTime Uptime Expires

8:12::2 (local) 192 180 03:01:36 00:02:29

Group/MaskLen: FF23::/92 [B]

RP address Priority HoldTime Uptime Expires

7:12::1 (local) 192 180 00:00:39 00:02:57

Static RP information:

RP address ACL Mode Preferred

3:3::1 2000 pim-sm No

3:3::2 2001 bidir Yes

3:3::3 2002 pim-sm No

3:3::4 pim-sm No

3:3::5 2002 pim-sm Yes

Table 9 Command output

Field	Description
Group/MaskLen	IPv6 multicast group to which the RP is designated.
[B]	The RP provides services for IPv6 multicast groups in the BIDIR-PIM domain. This field is not displayed if the RP provides services for groups in the IPv6 PIM-SM domain.
RP address	IPv6 address of the RP. If the RP resides on the device where this command is executed, this field displays (local) after the IPv6 address.
Priority	Priority of the RP.
HoldTime	RP lifetime.
Uptime	Length of time the RP has been up.
Expires	Remaining time for the RP lifetime.
Preferred	Whether the static RP is preferred.
Configured ACL/ACL	ACL defining the IPv6 multicast groups to which the static RP is designated.
Mode	RP service mode, IPv6 PIM-SM or IPv6 BIDIR-PIM.
RP mapping for this group	IPv6 address of the RP that provides services for the IPv6 multicast group.

display ipv6 pim statistics

Use display ipv6 pim statistics to display statistics for IPv6 PIM packets.

Syntax

display ipv6 pim statistics

Views

Any view

Predefined user roles

network-admin

network-operator

Examples

# Display statistics for IPv6 PIM packets.

<Sysname> display ipv6 pim statistics

Received PIM packets: 3295

Sent PIM packets : 5975

Valid Invalid Succeeded Failed

Hello : 3128 0 4333 0

Reg : 14 0 0 0

Reg-stop : 0 0 0 0

JP : 151 0 561 0

BSM : 0 0 1081 0

Assert : 0 0 0 0

Graft : 0 0 0 0

Graft-ACK: 0 0 0 0

C-RP : 0 0 0 0

SRM : 0 0 0 0

DF : 0 0 0 0

AutoRP : 0 0 0 0

Table 10 Command output

Field	Description
Received PIM packets	Total number of received IPv6 PIM packets.
Sent PIM packets	Total number of sent IPv6 PIM packets.
Valid	Number of received valid IPv6 PIM packets.
Invalid	Number of received invalid IPv6 PIM packets.
Succeeded	Number of valid IPv6 PIM packets that were sent successfully.
Failed	Number of valid IPv6 PIM packets that failed to be sent.
Hello	Hello message statistics.
Reg	Register message statistics.
Reg-stop	Register-stop message statistics.
JP	Join/prune message statistics.
BSM	Bootstrap message statistics.
Assert	Assert message statistics.
Graft	Graft message statistics.
Graft-ACK	Graft-ACK message statistics.
C-RP	C-RP-Adv message statistics.
SRM	State refresh message statistics.
DF	Designated forwarder statistics.
Auto-RP	Auto-RP message statistics.

hello-option dr-priority (IPv6 PIM view)

Use hello-option dr-priority to set the global DR priority.

Use undo hello-option dr-priority to restore the default.

Syntax

hello-option dr-priority priority

undo hello-option dr-priority

Default

The global DR priority is 1.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

priority: Specifies a DR priority in the range of 0 to 4294967295. A larger value represents a higher priority.

Usage guidelines

You can set the DR priority globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the global DR priority to 3 on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] hello-option dr-priority 3

Related commands

ipv6 pim hello-option dr-priority

hello-option holdtime (IPv6 PIM view)

Use hello-option holdtime to set the global IPv6 PIM neighbor lifetime.

Use undo hello-option holdtime to restore the default.

Syntax

hello-option holdtime time

undo hello-option holdtime

Default

The global IPv6 PIM neighbor lifetime is 105 seconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

time: Specifies an IPv6 PIM neighbor lifetime in the range of 1 to 65535 seconds. If you set the value to 65535 seconds, the IPv6 PIM neighbors are always reachable.

Usage guidelines

You can set the IPv6 PIM neighbor lifetime globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the global IPv6 PIM neighbor lifetime to 120 seconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] hello-option holdtime 120

Related commands

ipv6 pim hello-option holdtime

hello-option lan-delay (IPv6 PIM view)

Use hello-option lan-delay to set the global IPv6 PIM message propagation delay on a shared-media LAN.

Use undo hello-option lan-delay to restore the default.

Syntax

hello-option lan-delay delay

undo hello-option lan-delay

Default

The global IPv6 PIM message propagation delay on a shared-media LAN is 500 milliseconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

delay: Specifies an IPv6 PIM message propagation delay on a shared-media LAN in the range of 1 to 32767 milliseconds.

Usage guidelines

You can set the IPv6 PIM message propagation delay globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the global IPv6 PIM message propagation delay on a shared-media LAN to 200 milliseconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] hello-option lan-delay 200

Related commands

· hello-option override-interval (IPv6 PIM view)

· ipv6 pim hello-option lan-delay

· ipv6 pim hello-option override-interval

hello-option neighbor-tracking (IPv6 PIM view)

Use hello-option neighbor-tracking to enable neighbor tracking and disable join message suppression globally.

Use undo hello-option neighbor-tracking to restore the default.

Syntax

hello-option neighbor-tracking

undo hello-option neighbor-tracking

Default

Neighbor tracking is disabled, and join message suppression is enabled.

Views

IPv6 PIM view

Predefined user roles

network-admin

Usage guidelines

You can enable neighbor tracking globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Enable neighbor tracking globally on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] hello-option neighbor-tracking

Related commands

ipv6 pim hello-option neighbor-tracking

hello-option override-interval (IPv6 PIM view)

Use hello-option override-interval to set the global override interval.

Use undo hello-option override-interval to restore the default.

Syntax

hello-option override-interval interval

undo hello-option override-interval

Default

The global override interval is 2500 milliseconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

interval: Specifies an override interval in the range of 1 to 65535 milliseconds.

Usage guidelines

You can set the override interval globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the global override interval to 2000 milliseconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] hello-option override-interval 2000

Related commands

· hello-option lan-delay (IPv6 PIM view)

· ipv6 pim hello-option lan-delay

· ipv6 pim hello-option override-interval

holdtime join-prune (IPv6 PIM view)

Use holdtime join-prune to set the global joined/pruned state holdtime.

Use undo holdtime join-prune to restore the default.

Syntax

holdtime join-prune time

undo holdtime join-prune

Default

The global joined/pruned state holdtime is 210 seconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

time: Specifies a joined/pruned state holdtime in the range of 1 to 65535 seconds.

Usage guidelines

You can set the joined/pruned state holdtime globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

To prevent the upstream neighbors from aging out, you must configure the join/prune interval to be less than the joined/pruned state holdtime timer.

Examples

# Set the global joined/pruned state holdtime to 280 seconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] holdtime join-prune 280

Related commands

· ipv6 pim holdtime join-prune

· timer join-prune (IPv6 PIM view)

ipv6 pim

Use ipv6 pim to enter IPv6 PIM view.

Use undo ipv6 pim to remove all configurations in IPv6 PIM view.

Syntax

ipv6 pim [ vpn-instance vpn-instance-name ]

undo ipv6 pim [ vpn-instance vpn-instance-name ]

Views

System view

Predefined user roles

network-admin

Parameters

vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify a VPN instance, you enter public network IPv6 PIM view.

Examples

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

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6] quit

[Sysname] ipv6 pim

[Sysname-pim6]

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

<Sysname> system-view

[Sysname] ipv6 multicast routing vpn-instance mvpn

[Sysname-mrib6-mvpn] quit

[Sysname] ipv6 pim vpn-instance mvpn

[Sysname-pim6-mvpn]

ipv6 pim bfd enable

Use ipv6 pim bfd enable to enable BFD for IPv6 PIM.

Use undo ipv6 pim bfd enable to disable BFD for IPv6 PIM.

Syntax

ipv6 pim bfd enable

undo ipv6 pim bfd enable

Default

BFD is disabled for IPv6 PIM.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

This command takes effect only when IPv6 PIM-DM or IPv6 PIM-SM is enabled on the interface.

Examples

# On the public network, enable IPv6 multicast routing, enable IPv6 PIM-DM on interface VLAN-interface 100, and enable BFD for IPv6 PIM on the interface.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6] quit

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim dm

[Sysname-Vlan-interface100] ipv6 pim bfd enable

Related commands

· ipv6 pim dm

· ipv6 pim sm

ipv6 pim bsr-boundary

Use ipv6 pim bsr-boundary to configure an IPv6 PIM domain border (a bootstrap message boundary).

Use ipv6 pim bsr-boundary to remove an IPv6 PIM domain border.

Syntax

ipv6 pim bsr-boundary

undo ipv6 pim bsr-boundary

Default

No PIM domain border is configured.

Views

Interface view

Predefined user roles

network-admin

Examples

# Configure VLAN-interface 100 as a PIM domain border.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim bsr-boundary

Related commands

· c-bsr (IPv6 PIM view)

· ipv6 multicast boundary

ipv6 pim dm

Use ipv6 pim dm to enable IPv6 PIM-DM.

Use undo ipv6 pim dm to disable IPv6 PIM-DM.

Syntax

ipv6 pim dm

undo ipv6 pim dm

Default

IPv6 PIM-DM is disabled.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

This command takes effect only when IPv6 multicast routing is enabled on the public network or for the VPN instance to which the interface belongs.

Examples

# Enable IPv6 multicast routing, and enable IPv6 PIM-DM on VLAN-interface 100 on the public network.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6] quit

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim dm

Related commands

ipv6 multicast routing

ipv6 pim hello-option dr-priority

Use ipv6 pim hello-option dr-priority to set the DR priority on an interface.

Use undo ipv6 pim hello-option dr-priority to restore the default.

Syntax

ipv6 pim hello-option dr-priority priority

undo ipv6 pim hello-option dr-priority

Default

The DR priority is 1.

Views

Interface view

Predefined user roles

network-admin

Parameters

priority: Specifies a DR priority in the range of 0 to 4294967295. A larger value represents a higher priority.

Usage guidelines

You can set the DR priority for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the DR priority to 3 on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim hello-option dr-priority 3

Related commands

hello-option dr-priority (IPv6 PIM view)

ipv6 pim hello-option holdtime

Use ipv6 pim hello-option holdtime to set the IPv6 PIM neighbor lifetime on an interface.

Use undo ipv6 pim hello-option holdtime to restore the default.

Syntax

ipv6 pim hello-option holdtime time

undo ipv6 pim hello-option holdtime

Default

The IPv6 PIM neighbor lifetime is 105 seconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

time: Specifies an IPv6 PIM neighbor lifetime in the range of 1 to 65535 seconds. If you set the value to 65535 seconds, the IPv6 PIM neighbor is always reachable.

Usage guidelines

You can set the IPv6 PIM neighbor lifetime for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the IPv6 PIM neighbor lifetime to 120 seconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim hello-option holdtime 120

Related commands

hello-option holdtime (IPv6 PIM view)

ipv6 pim hello-option lan-delay

Use ipv6 pim hello-option lan-delay to set the IPv6 PIM message propagation delay on a shared-media LAN for an interface.

Use undo ipv6 pim hello-option lan-delay to restore the default.

Syntax

ipv6 pim hello-option lan-delay delay

undo ipv6 pim hello-option lan-delay

Default

The IPv6 PIM message propagation delay on a shared-media LAN is 500 milliseconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

delay: Specifies an IPv6 PIM message propagation delay on a shared-media LAN in the range of 1 to 32767 milliseconds.

Usage guidelines

You can set the IPv6 PIM message propagation delay for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the IPv6 PIM message propagation delay on a shared-media LAN to 200 milliseconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim hello-option lan-delay 200

Related commands

· hello-option lan-delay (IPv6 PIM view)

· hello-option override-interval (IPv6 PIM view)

· ipv6 pim hello-option override-interval

ipv6 pim hello-option neighbor-tracking

Use ipv6 pim hello-option neighbor-tracking to enable neighbor tracking and disable join message suppression on an interface.

Use ipv6 pim hello-option neighbor-tracking disable to disable neighbor tracking on an interface when join message suppression is disabled globally.

Use undo ipv6 pim hello-option neighbor-tracking to restore neighbor tracking on an interface to be consistent with the global setting.

Syntax

ipv6 pim hello-option neighbor-tracking

ipv6 pim hello-option neighbor-tracking disable

undo ipv6 pim hello-option neighbor-tracking

Default

Neighbor tracking is disabled, and join message suppression is enabled.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

You can enable neighbor tracking for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Enable neighbor tracking on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim hello-option neighbor-tracking

# On the public network, disable neighbor tracking on VLAN-interface 100 when neighbor tracking is enabled globally.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] hello-option neighbor-tracking

[Sysname-pim6] quit

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim hello-option neighbor-tracking disable

Related commands

hello-option neighbor-tracking (IPv6 PIM view)

ipv6 pim hello-option override-interval

Use ipv6 pim hello-option override-interval to set the override interval on an interface.

Use undo ipv6 pim hello-option override-interval to restore the default.

Syntax

ipv6 pim hello-option override-interval interval

undo ipv6 pim hello-option override-interval

Default

The override interval is 2500 milliseconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

interval: Specifies an override interval in the range of 1 to 65535 milliseconds.

Usage guidelines

You can set the override interval for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the override interval to 2000 milliseconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim hello-option override-interval 2000

Related commands

· hello-option lan-delay (IPv6 PIM view)

· hello-option override-interval (IPv6 PIM view)

· ipv6 pim hello-option lan-delay

ipv6 pim holdtime join-prune

Use ipv6 pim holdtime join-prune to set the joined/pruned state holdtime on an interface.

Use undo ipv6 pim holdtime join-prune to restore the default.

Syntax

ipv6 pim holdtime join-prune time

undo ipv6 pim holdtime join-prune

Default

The joined/pruned state holdtime is 210 seconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

time: Specifies a joined/pruned state holdtime in the range of 1 to 65535 seconds.

Usage guidelines

You can set the joined/pruned state holdtime for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

To prevent the upstream neighbors from aging out, you must configure the join/prune interval to be less than the joined/pruned state holdtime timer.

Examples

# Set the joined/pruned state holdtime to 280 seconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim holdtime join-prune 280

Related commands

· holdtime join-prune (IPv6 PIM view)

· ipv6 pim timer join-prune

ipv6 pim neighbor-policy

Use ipv6 pim neighbor-policy to configure an IPv6 PIM hello policy.

Use undo ipv6 pim neighbor-policy to restore the default.

Syntax

ipv6 pim neighbor-policy acl6-number

undo ipv6 pim neighbor-policy

Default

No IPv6 PIM hello policy exists, and all the received hello messages are regarded as legal.

Views

Interface view

Predefined user roles

network-admin

Parameters

acl6-number: Specifies an IPv6 basic ACL number in the range of 2000 to 2999.

Usage guidelines

An IPv6 PIM hello policy filters IPv6 PIM hello messages to guard against hello message spoofing.

When you configure a rule in the IPv6 basic ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies a source IPv6 address.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

If you execute this command multiple times, the most recent configuration takes effect.

Examples

# Configure an IPv6 PIM hello policy on VLAN-interface 100, so that only the devices on the subnet of FE80:101::101/64 can become PIM neighbors of this switch.

<Sysname> system-view

[Sysname] acl ipv6 number 2000

[Sysname-acl6-basic-2000] rule permit source fe80:101::101 64

[Sysname-acl6-basic-2000] quit

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim neighbor-policy 2000

ipv6 pim non-stop-routing

Use ipv6 pim non-stop-routing to enable IPv6 PIM NSR.

Use undo ipv6 pim non-stop-routing to disable IPv6 PIM NSR.

Syntax

ipv6 pim non-stop-routing

undo ipv6 pim non-stop-routing

Default

IPv6 PIM NSR is disabled.

Views

System view

Predefined user roles

network-admin

Usage guidelines

IPv6 BIDIR-PIM does not support this command.

Examples

# Enable IPv6 PIM NSR.

<Sysname> system-view

[Sysname] ipv6 pim non-stop-routing

ipv6 pim passive

Use ipv6 pim passive to enable IPv6 PIM passive mode on an interface.

Use undo ipv6 pim passive to restore the default.

Syntax

ipv6 pim passive

undo ipv6 pim passive

Default

The IPv6 PIM passive mode is disabled for an interface.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

This command takes effect only when IPv6 PIM-DM or IPv6 PIM-SM is enabled on the interface.

Examples

# On the public network, enable IPv6 multicast routing. Then, enable IPv6 PIM-DM and IPv6 PIM passive mode on VLAN-interface 100.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib] quit

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim dm

[Sysname-Vlan-interface100] ipv6 pim passive

ipv6 pim require-genid

Use ipv6 pim require-genid to enable dropping hello messages without the generation ID options.

Use undo ipv6 pim require-genid to restore the default.

Syntax

ipv6 pim require-genid

undo ipv6 pim require-genid

Default

Hello messages without the generation ID options are accepted.

Views

Interface view

Predefined user roles

network-admin

Examples

# Enable VLAN-interface 100 to drop hello messages without the generation ID options.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim require-genid

ipv6 pim sm

Use ipv6 pim sm to enable IPv6 PIM-SM.

Use undo ipv6 pim sm to disable IPv6 PIM-SM.

Syntax

ipv6 pim sm

undo ipv6 pim sm

Default

IPv6 PIM-SM is disabled.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

This command takes effect only when IPv6 multicast routing is enabled on the public network or for the VPN instance to which the interface belongs.

Examples

# On the public network, enable IPv6 multicast routing, and enable IPv6 PIM-SM on VLAN-interface 100.

<Sysname> system-view

[Sysname] ipv6 multicast routing

[Sysname-mrib6] quit

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim sm

Related commands

ipv6 multicast routing

ipv6 pim state-refresh-capable

Use ipv6 pim state-refresh-capable to enable the state refresh feature on an interface.

Use undo ipv6 pim state-refresh-capable to disable the state refresh feature.

Syntax

ipv6 pim state-refresh-capable

undo ipv6 pim state-refresh-capable

Default

The state refresh feature is enabled.

Views

Interface view

Predefined user roles

network-admin

Examples

# Disable state refresh on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] undo ipv6 pim state-refresh-capable

Related commands

· state-refresh-hoplimit (IPv6 PIM view)

· state-refresh-interval (IPv6 PIM view)

· state-refresh-rate-limit (IPv6 PIM view)

ipv6 pim timer graft-retry

Use ipv6 pim timer graft-retry to set a graft retry timer.

Use undo ipv6 pim timer graft-retry to restore the default.

Syntax

ipv6 pim timer graft-retry interval

undo ipv6 pim timer graft-retry

Default

The graft retry timer is 3 seconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

interval: Specifies a graft retry timer in the range of 1 to 65535 seconds.

Examples

# Set the graft retry timer to 80 seconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim timer graft-retry 80

ipv6 pim timer hello

Use ipv6 pim timer hello to set the hello interval on an interface.

Use undo ipv6 pim timer hello to restore the default.

Syntax

ipv6 pim timer hello interval

undo ipv6 pim timer hello

Default

The hello interval is 30 seconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

interval: Specifies the hello interval in the range of 0 to 18000 seconds. If you set the value to 0 seconds, the interface does not send hello messages.

Usage guidelines

You can set the hello interval for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

Examples

# Set the hello interval to 40 seconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim timer hello 40

Related commands

timer hello (IPv6 PIM view)

ipv6 pim timer join-prune

Use ipv6 pim timer join-prune to set the join/prune interval on an interface.

Use undo ipv6 pim timer join-prune to restore the default.

Syntax

ipv6 pim timer join-prune interval

undo ipv6 pim timer join-prune

Default

The join/prune interval is 60 seconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

interval: Specifies a join/prune interval in the range of 0 to 18000 seconds. If you set the value to 0 seconds, the interface does not send join or prune messages.

Usage guidelines

You can set the join/prune interval for an interface in interface view or globally for all interfaces in IPv6 PIM view. For an interface, the interface-specific configuration takes priority over the global configuration.

The configuration takes effect after the current interval ends.

To prevent the upstream neighbors from aging out, you must configure the interval for sending join/prune messages to be less than the joined/pruned state holdtime timer.

Examples

# Set the join/prune interval to 80 seconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim timer join-prune 80

Related commands

· ipv6 pim holdtime join-prune

· timer join-prune (IPv6 PIM view)

ipv6 pim triggered-hello-delay

Use ipv6 pim triggered-hello-delay to set the triggered hello delay.

Use undo ipv6 pim triggered-hello-delay to restore the default.

Syntax

ipv6 pim triggered-hello-delay delay

undo ipv6 pim triggered-hello-delay

Default

The triggered hello delay is 5 seconds.

Views

Interface view

Predefined user roles

network-admin

Parameters

delay: Specifies a triggered hello delay in the range of 1 to 60 seconds.

Usage guidelines

The triggered hello delay defines the maximum delay for sending a hello message.

Examples

# Set the triggered hello delay to 3 seconds on VLAN-interface 100.

<Sysname> system-view

[Sysname] interface vlan-interface 100

[Sysname-Vlan-interface100] ipv6 pim triggered-hello-delay 3

jp-pkt-size (IPv6 PIM view)

Use jp-pkt-size to set the maximum size of each join/prune message.

Use undo jp-pkt-size to restore the default.

Syntax

jp-pkt-size size

undo jp-pkt-size

Default

The maximum size of a join/prune message is 8100 bytes.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

size: Specifies the maximum size of each join/prune message, in the range of 100 to 64000 bytes.

Examples

# Set the maximum size of each join/prune message to 1500 bytes on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] jp-pkt-size 1500

register-policy (IPv6 PIM view)

Use register-policy to configure an IPv6 PIM register policy.

Use undo register-policy to remove the configuration.

Syntax

undo register-policy

Default

No IPv6 PIM register policy exists, and all IPv6 PIM register messages are regarded as legal.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

acl6-number: Specifies an IPv6 advanced ACL number in the range of 3000 to 3999.

Usage guidelines

When you configure a rule in the IPv6 advanced ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies an IPv6 multicast source address.

· The destination dest-address dest-prefix option specifies an IPv6 multicast group range.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

If you execute this command multiple times, the most recent configuration takes effect.

Examples

# On the public network, configure an IPv6 PIM register policy to accept register messages from the sources on the subnet of 3:1::/64 to the groups on the subnet of FF0E:13::/64.

<Sysname> system-view

[Sysname] acl ipv6 number 3000

[Sysname-acl6-adv-3000] rule permit ipv6 source 3:1:: 64 destination ff0e:13:: 64

[Sysname-acl6-adv-3000] quit

[Sysname] ipv6 pim

[Sysname-pim6] register-policy 3000

register-whole-checksum (IPv6 PIM view)

Use register-whole-checksum to configure the device to calculate the checksum based on an entire register message.

Use undo register-whole-checksum to restore the default.

Syntax

undo register-whole-checksum

Default

The device calculates the checksum based on the register message header.

Views

IPv6 PIM view

Predefined user roles

network-admin

Examples

# On the public network, configure the device to calculate the checksum based on an entire register message.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] register-whole-checksum

source-lifetime (IPv6 PIM view)

Use source-lifetime to set the IPv6 multicast source lifetime.

Use undo source-lifetime to restore the default.

Syntax

source-lifetime time

undo source-lifetime

Default

The IPv6 multicast source lifetime is 210 seconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

time: Specifies an IPv6 multicast source lifetime in the range of 0 to 31536000 seconds. If you set the value to 0 seconds, IPv6 multicast sources are never aged out.

Examples

# Set the IPv6 multicast source lifetime to 200 seconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] source-lifetime 200

source-policy (IPv6 PIM view)

Use source-policy to configure an IPv6 multicast source policy.

Use undo source-policy to remove the configured IPv6 multicast source policy.

Syntax

source-policy acl6-number

undo source-policy

Default

No IPv6 multicast source policy exists. IPv6 multicast data packets are not filtered.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

acl6-number: Specifies an IPv6 basic or advanced ACL number in the range of 2000 to 3999.

Usage guidelines

An IPv6 multicast source policy filters IPv6 multicast data packets to control information available to downstream receivers.

When you configure a rule in the IPv6 ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· In a basic ACL, the source source-address source-prefix option specifies a source IPv6 address.

· In an advanced ACL, the source source-address source-prefix option specifies a source IPv6 address. The destination dest-address dest-prefix option specifies an IPv6 multicast group address.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

If you execute this command multiple times, the most recent configuration takes effect.

Examples

# On the public network, configure an IPv6 multicast source policy to accept the IPv6 multicast data from source 3121::1 and to deny the data from source 3121::2.

<Sysname> system-view

[Sysname] acl ipv6 number 2000

[Sysname-acl6-basic-2000] rule permit source 3121::1 128

[Sysname-acl6-basic-2000] rule deny source 3121::2 128

[Sysname-acl6-basic-2000] quit

[Sysname] ipv6 pim

[Sysname-pim6] source-policy 2000

[Sysname-pim6] quit

spt-switch-threshold (IPv6 PIM view)

Use spt-switch-threshold to configure a criterion for an RPT-to-SPT switchover.

Use undo spt-switch-threshold to delete criteria for RPT-to-SPT switchovers.

Syntax

spt-switch-threshold { immediacy | infinity } [ group-policy acl6-number ]

undo spt-switch-threshold [ immediacy | infinity ] [ group-policy acl6-number ]

Default

The first IPv6 multicast packet triggers an RPT-to-STP switchover.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

immediacy: Triggers an RPT-to-STP switchover.

infinity: Disables RPT-to-STP switchover.

group-policy acl6-number: Specifies an IPv6 basic ACL by its number in the range of 2000 to 2999. If you specify an ACL, the configuration applies to the IPv6 multicast groups that the ACL permits. The configuration applies to all IPv6 multicast groups when one of the following conditions exists:

· You do not specify an ACL.

· The specified ACL does not exist.

· The specified ACL does not have valid rules.

Usage guidelines

CAUTION:

If the device is an RP, disabling RPT-to-STP switchover might cause multicast traffic forwarding failures on the source-side DR. When disabling RPT-to-STP switchover, make sure you fully understand its impact on your network.

When you configure a rule in the IPv6 basic ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies an IPv6 multicast group address.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

Examples

# Disable RPT-to-STP switchover on receiver-side DR on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] spt-switch-threshold infinity

ssm-policy (IPv6 PIM view)

Use ssm-policy to configure the IPv6 SSM group range.

Use undo ssm-policy to restore the default.

Syntax

ssm-policy acl6-number

undo ssm-policy

Default

The IPv6 SSM group range is FF3x::/32, where x can be any valid scope.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

acl6-number: Specifies an IPv6 basic ACL number in the range of 2000 to 2999.

Usage guidelines

This command defines an IPv6 multicast group range that is used by IPv6 PIM-SSM. For IPv6 multicast packets that are permitted by the ACL, the IPv6 PIM-SSM mode is used. For IPv6 multicast packets that are not permitted by the ACL, the IPv6 PIM-SM mode is used.

When you configure a rule in the IPv6 basic ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance keyword.

· The source keyword matches the multicast group address in MLD reports.

· Other optional parameters except the fragment, source, and time-range keywords do not take effect.

If you execute this command multiple times, the most recent configuration takes effect.

Examples

# Configure the IPv6 SSM group range as FF3E:0:8192::/96.

<Sysname> system-view

[Sysname] acl ipv6 number 2000

[Sysname-acl6-basic-2000] rule permit source ff3e:0:8192:: 96

[Sysname-acl6-basic-2000] quit

[Sysname] ipv6 pim

[Sysname-pim6] ssm-policy 2000

state-refresh-hoplimit (IPv6 PIM view)

Use state-refresh-hoplimit to set the hop limit for state refresh messages.

Use undo state-refresh-hoplimit to restore the default.

Syntax

state-refresh-hoplimit hoplimit-value

undo state-refresh-hoplimit

Default

The hop limit for state refresh messages is 255.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

hoplimit-value: Specifies the hop limit for state refresh messages, in the range of 1 to 255.

Examples

# Set the hop limit for state refresh messages to 45 on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] state-refresh-hoplimit 45

Related commands

· ipv6 pim state-refresh-capable

· state-refresh-interval (IPv6 PIM view)

· state-refresh-rate-limit (IPv6 PIM view)

state-refresh-interval (IPv6 PIM view)

Use state-refresh-interval to set the state refresh interval.

Use undo state-refresh-interval to restore the default.

Syntax

state-refresh-interval interval

undo state-refresh-interval

Default

The state refresh interval is 60 seconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

interval: Specifies a state refresh interval in the range of 1 to 255 seconds.

Examples

# Set the state refresh interval to 70 seconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] state-refresh-interval 70

Related commands

· ipv6 pim state-refresh-capable

· state-refresh-hoplimit (IPv6 PIM view)

· state-refresh-rate-limit (IPv6 PIM view)

state-refresh-rate-limit (IPv6 PIM view)

Use state-refresh-rate-limit to configure the amount of time that the device waits before accepting a new state refresh message.

Use undo state-refresh-rate-limit to restore the default.

Syntax

state-refresh-rate-limit time

undo state-refresh-rate-limit

Default

The device waits 30 seconds before it accepting a new state refresh message.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

time: Specifies an amount of time that the device waits before accepting a new refresh message, in the range of 1 to 65535 seconds.

Examples

# On the public network, configure the device to wait 45 seconds before it accepts a new state refresh message.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] state-refresh-rate-limit 45

Related commands

· ipv6 pim state-refresh-capable

· state-refresh-hoplimit (IPv6 PIM view)

· state-refresh-interval (IPv6 PIM view)

static-rp (IPv6 PIM view)

Use static-rp to configure a static RP.

Use undo static-rp to remove a static RP.

Syntax

static-rp ipv6-rp-address [ acl6-number | bidir | preferred ] *

undo static-rp ipv6-rp-address

Default

No static RPs exist.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

ipv6-rp-address: Specifies the IPv6 address of the static RP. This address must be a valid IPv6 global unicast address.

acl6-number: Specifies an IPv6 basic ACL number in the range of 2000 to 2999. The static RP is designated to only IPv6 multicast groups that the ACL permits. The static RP is designated to all IPv6 multicast groups when one of the following conditions exists:

· You do not specify an ACL.

· The specified ACL does not exist.

· The specified ACL does not have valid rules.

bidir: Specifies IPv6 BIDIR-PIM to which the static RP is designated. If you do not specify this keyword, the PIM mode is IPv6 PIM-SM.

preferred: Gives priority to the static RP if the static RP and the dynamic RP exist at the same time on the network. The dynamic RP takes effect only if no static RP exists on the network. If you do not specify this keyword, the dynamic RP has priority. The static RP takes effect only if no dynamic RP exists on the network or when the dynamic RP fails.

Usage guidelines

You do not need to enable IPv6 PIM on an interface that acts as a static RP.

When you configure a rule in the IPv6 basic ACL, follow these restrictions and guidelines:

· For the rule to take effect, do not specify the vpn-instance vpn-instance option.

· The source source-address source-prefix option specifies an IPv6 multicast group address.

· Among the other optional parameters, only the fragment keyword and the time-range time-range-name option take effect.

When rules in the ACL used by a static RP change, new RPs are dynamically elected for all IPv6 multicast groups.

You can configure multiple static RPs by using this command multiple times. However, if you specify the same static RP address or reference the same ACL in this command, the most recent configuration takes effect. If you configure multiple static RPs for the same IPv6 multicast group, the static RP with the highest IPv6 address is used.

Examples

# On the public network, configure the interface with IPv6 address 2001::2 as a static RP for IPv6 multicast group range FF03::101/64, and give priority to this static RP.

<Sysname> system-view

[Sysname] acl ipv6 number 2001

[Sysname-acl6-basic-2001] rule permit source ff03::101 64

[Sysname-acl6-basic-2001] quit

[Sysname] ipv6 pim

[Sysname-pim6] static-rp 2001::2 2001 preferred

Related commands

display ipv6 pim rp-info

timer hello (IPv6 PIM view)

Use timer hello to set the global hello interval.

Use undo timer hello to restore the default.

Syntax

timer hello interval

undo timer hello

Default

The global hello interval is 30 seconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

interval: Specifies a hello interval in the range of 0 to 18000 seconds. If you set the value to 0 seconds, the device does not send hello messages.

Usage guidelines

You can set the hello interval globally for all interfaces in IPv6 PIM view or for an interface in interface view. The interface-specific configuration takes priority over the global configuration.

Examples

# Set the global hello interval to 40 seconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] timer hello 40

Related commands

ipv6 pim timer hello

timer join-prune (IPv6 PIM view)

Use timer join-prune to set the global join/prune interval.

Use undo timer join-prune to restore the default.

Syntax

timer join-prune interval

undo timer join-prune

Default

The global join/prune interval is 60 seconds.

Views

IPv6 PIM view

Predefined user roles

network-admin

Parameters

interval: Specifies a join/prune interval in the range of 0 to 18000 seconds. If you set the value to 0, the device does not send join or prune messages.

Usage guidelines

You can set the join/prune interval globally for all interfaces in IPv6 PIM view or for an interface in interface view. For an interface, the interface-specific configuration takes priority over the global configuration.

The configuration takes effect after the current interval ends.

To prevent the upstream neighbors from aging out, you must configure the join/prune interval to be less than the joined/pruned state holdtime.

Examples

# Set the global join/prune interval to 80 seconds on the public network.

<Sysname> system-view

[Sysname] ipv6 pim

[Sysname-pim6] timer join-prune 80

Related commands

· holdtime join-prune (IPv6 PIM view)

· ipv6 pim timer join-prune

07-IP Multicast Command Reference

bidir-rp-limit (IPv6 PIM view)

bsm-fragment enable (IPv6 PIM view)

bsr-policy (IPv6 PIM view)

c-bsr (IPv6 PIM view)

c-rp (IPv6 PIM view)

crp-policy (IPv6 PIM view)

display ipv6 pim routing-table

display ipv6 pim rp-info

hello-option dr-priority (IPv6 PIM view)

hello-option holdtime (IPv6 PIM view)

hello-option lan-delay (IPv6 PIM view)

hello-option neighbor-tracking (IPv6 PIM view)

hello-option override-interval (IPv6 PIM view)

holdtime join-prune (IPv6 PIM view)

ipv6 pim hello-option neighbor-tracking

jp-pkt-size (IPv6 PIM view)

register-whole-checksum (IPv6 PIM view)

source-lifetime (IPv6 PIM view)

source-policy (IPv6 PIM view)

spt-switch-threshold (IPv6 PIM view)

state-refresh-hoplimit (IPv6 PIM view)

static-rp (IPv6 PIM view)

timer hello (IPv6 PIM view)

timer join-prune (IPv6 PIM view)

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