06-IP Multicast Command Reference

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02-PIM snooping commands
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PIM snooping commands

display pim-snooping neighbor

Use display pim-snooping neighbor to display PIM snooping neighbor information.

Syntax

display pim-snooping neighbor [ vlan vlan-id ] [ slot slot-number ] [ verbose ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vlan vlan-id: Specifies a VLAN by its VLAN ID in the range of 1 to 4094. If you do not specify a VLAN, this command displays PIM snooping neighbor information for all VLANs.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, this command displays PIM snooping neighbor information for the master device.

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

Examples

# Display detailed information about PIM snooping neighbors for VLAN 2.

<Sysname> display pim-snooping neighbor vlan 2 verbose

Total 2 neighbors.

 

VLAN 2: Total 2 neighbors.

  10.1.1.2

    Slots (0 in total):

    Ports (1 in total):

      XGE1/0/1                              (02:02:23)    LAN Prune Delay(T)

  10.1.1.3

    Slots (0 in total):

    Ports (1 in total):

      XGE1/0/2                              (02:02:25)

Table 1 Command output

Field

Description

Total 2 neighbors

Total number of PIM snooping neighbors.

VLAN 2: Total 2 neighbors

Total number of PIM snooping neighbors in VLAN 2.

10.1.1.2

IP address of the PIM snooping neighbor.

Slots (0 in total)

Member IDs and total number of the member devices that have the neighbor, except for the specified member device or the master device when no member device is specified.

Ports (1 in total)

Ports where the PIM snooping neighbors reside, and the total number of the ports.

(02:02:23)

Remaining aging timer for a PIM snooping neighbor on the port.

This field is always displayed for global ports (such as Layer 2 aggregate interfaces).

For a non-global port, this field is displayed when one of the following conditions exists:

·     The port is on the specified member device.

·     The port is on the master device and no member device is specified.

LAN Prune Delay

The PIM hello message sent by the PIM snooping neighbor has the LAN_Prune_Delay option.

(T)

The join message suppression feature has been disabled for the PIM snooping neighbor.

 

display pim-snooping router-port

Use display pim-snooping router-port to display PIM snooping router port information.

Syntax

display pim-snooping router-port [ vlan vlan-id ] [ slot slot-number ] [ verbose ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vlan vlan-id: Specifies a VLAN by its VLAN ID in the range of 1 to 4094. If you do not specify a VLAN, this command displays PIM snooping router port information for all VLANs.

verbose: Displays detailed information about PIM snooping router ports. If you do not specify this keyword, the command displays brief information about PIM snooping router ports.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, this command displays PIM snooping router port information for the master device.

Examples

# Display brief information about PIM snooping router ports for VLAN 2.

<Sysname> display pim-snooping router-port vlan 2

VLAN 2:

  Router ports (2 in total):

    XGE1/0/1                              (00:01:30)

    XGE1/0/2                              (00:01:32)

# Display detailed information about PIM snooping router ports for VLAN 2.

<Sysname> display pim-snooping router-port vlan 2 verbose

VLAN 2:

  Router slots (0 in total):

  Router ports (2 in total):

    XGE1/0/1                             (00:01:30)

    XGE1/0/2                             (00:01:32)

Table 2 Command output

Field

Description

VLAN 2

VLAN ID.

Router slots (0 in total)

Member IDs and total number of the member devices that have router ports, except for the specified member device or the master device when no member device is specified.

Router ports (2 in total)

Router ports and total number of router ports.

(00:01:30)

Remaining aging time for the router port.

For a global port, this field is always displayed.

For a non-global port, this field is displayed when one of the following conditions exists:

·     The port is on the specified member device.

·     The port is on the master device and no member device is specified.

 

display pim-snooping routing-table

Use display pim-snooping routing-table to display PIM snooping routing entries.

Syntax

display pim-snooping routing-table [ vlan vlan-id ] [ slot slot-number ] [ verbose ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vlan vlan-id: Specifies a VLAN by its VLAN ID in the range of 1 to 4094. If you do not specify a VLAN, this command displays PIM snooping routing entries for all VLANs.

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, this command displays PIM snooping routing entries for the master device.

verbose: Displays detailed information about PIM snooping routing entries. If you do not specify the keyword, this command displays brief information about PIM snooping routing entries.

Examples

# Display detailed information about PIM snooping routing entries for VLAN 2.

<Sysname> display pim-snooping routing-table vlan 2 verbose

Total 1 entries.

FSM Flag: NI-no info, J-join, PP-prune pending

 

VLAN 2: Total 1 entries.

  (172.10.10.1, 225.1.1.1)

    FSM information: dummy

    Upstream neighbor: 20.1.1.1

      Upstream Slots (0 in total):

      Upstream Ports (1 in total):

        XGE1/0/1

      Downstream Slots (0 in total):

      Downstream Ports (2 in total):

        XGE1/0/2

          Expires: 00:03:01, FSM: J

          Downstream Neighbors (2 in total):

            7.1.1.1

              Expires: 00:59:19, FSM: J

            7.1.1.11

              Expires: 00:59:20, FSM: J

        XGE1/0/3

          Expires: 00:02:21, FSM: PP

Table 3 Command output

Field

Description

Total 1 entries

Total number of (S, G) entries and (*, G) entries.

FSM Flag: NI-no info, J-join, PP-prune pending

State machine flag of the downstream port:

·     NI—Initial state.

·     J—Join.

·     PP—Prune pending.

VLAN 2: Total 1 entries

Total number of (S, G) entries and (*, G) entries in VLAN 2.

(172.10.10.1, 225.1.1.1)

(S, G) entry.

FSM information

Finite state machine information of the entry:

·     delete—The entry attributes have been deleted.

·     dummy—The entry is a new temporary entry.

·     no info—The entry does not exist.

Upstream neighbor

Upstream neighbor of the (S, G) or (*, G) entry.

Upstream Slots (0 in total)

Member IDs and total number of the member devices that have the upstream neighbor, except for the specified member device or the master device when no member device is specified.

Upstream Ports (1 in total)

Upstream ports, and the total number of upstream ports.

This field is displayed when one of the following conditions exists:

·     The port is on the specified member device.

·     The port is on the master device and no member device is specified.

Downstream Slots (0 in total)

Member IDs and total number of the member devices that have downstream ports, except for the specified member device or the master device when no member device is specified.

Downstream Ports (2 in total)

Downstream ports of the upstream neighbor, and the total number of the downstream ports.

Downstream Neighbors (2 in total)

Downstream neighbors of the downstream port, and the total number of the downstream neighbors.

Expires: 00:03:01, FSM: J

Remaining aging time for the downstream port or downstream neighbor, and the finite state machine information.

For a global port, this field is always displayed.

For a non-global port, this field is displayed when one of the following conditions exists:

·     The port is on the specified member device.

·     The port is on the master device and no member device is specified.

 

display pim-snooping statistics

Use display pim-snooping statistics to display statistics for the PIM messages learned through PIM snooping.

Syntax

display pim-snooping statistics

Views

Any view

Predefined user roles

network-admin

network-operator

Examples

# Display statistics for the PIM messages learned through PIM snooping.

<Sysname> display pim-snooping statistics

Received PIMv2 hello:  100

Received PIMv2 join/prune:  100

Received PIMv2 error:  0

Received PIMv2 messages in total:  200

Received PIMv1 messages in total:  0

Table 4 Command output

Field

Description

Received PIMv2 hello

Number of received PIMv2 hello messages.

Received PIMv2 join/prune

Number of received PIMv2 join/prune messages.

Received PIMv2 error

Number of received PIMv2 messages with errors.

Received PIMv2 messages in total

Total number of received PIMv2 messages.

Received PIMv1 messages in total

Total number of received PIMv1 messages.

 

Related commands

reset pim-snooping statistics

pim-snooping enable

Use pim-snooping enable to enable PIM snooping for a VLAN.

Use undo pim-snooping enable to disable PIM snooping for a VLAN.

Syntax

pim-snooping enable

undo pim-snooping enable

Default

PIM snooping is disabled for a VLAN.

Views

VLAN view

Predefined user roles

network-admin

Usage guidelines

You must enable the IGMP snooping feature and enable IGMP snooping for a VLAN before you enable PIM snooping for the VLAN.

PIM snooping does not take effect on sub-VLANs of a multicast VLAN.

Examples

# Enable the IGMP snooping feature, and then enable IGMP snooping and PIM snooping for VLAN 2.

<Sysname> system-view

[Sysname] igmp-snooping

[Sysname-igmp-snooping] quit

[Sysname] vlan 2

[Sysname-vlan2] igmp-snooping enable

[Sysname-vlan2] pim-snooping enable

Related commands

igmp-snooping

igmp-snooping enable

pim-snooping graceful-restart join-aging-time

Use pim-snooping graceful-restart join-aging-time to set the aging time for global downstream ports and global router ports on the new master device after a master/subordinate switchover.

Use undo pim-snooping graceful-restart join-aging-time to restore the default.

Syntax

pim-snooping graceful-restart join-aging-time seconds

undo pim-snooping graceful-restart join-aging-time

Default

The aging time is 210 seconds for global downstream ports and global router ports on the new master device after a master/subordinate switchover.

Views

VLAN view

Predefined user roles

network-admin

Parameters

seconds: Specifies an aging time in the range of 210 to 18000 seconds.

Usage guidelines

You must enable PIM snooping for a VLAN before you execute this command.

Global ports include Layer 2 aggregate interfaces. A global downstream port or a global router port is a global port that acts as a downstream port or router port, respectively.

Examples

# In VLAN 2, set the aging time to 600 seconds for global downstream ports and global router ports on the new master device after a master/subordinate switchover.

<Sysname> system-view

[Sysname] igmp-snooping

[Sysname-igmp-snooping] quit

[Sysname] vlan 2

[Sysname-vlan2] igmp-snooping enable

[Sysname-vlan2] pim-snooping enable

[Sysname-vlan2] pim-snooping graceful-restart join-aging-time 600

Related commands

pim-snooping enable

pim-snooping graceful-restart neighbor-aging-time

Use pim-snooping graceful-restart neighbor-aging-time to set the aging time for global neighbor ports on the new master device after a master/subordinate switchover.

Use undo pim-snooping graceful-restart neighbor-aging-time to restore the default.

Syntax

pim-snooping graceful-restart neighbor-aging-time seconds

undo pim-snooping graceful-restart neighbor-aging-time

Default

The aging time is 105 seconds for global neighbor ports on the new master device after a master/subordinate switchover.

Views

VLAN view

Predefined user roles

network-admin

Parameters

seconds: Specifies an aging time in the range of 105 to 18000 seconds.

Usage guidelines

You must enable PIM snooping in a VLAN before you execute this command.

Global ports include Layer 2 aggregate interfaces. A global neighbor port is a global port that acts as a neighbor port.

Examples

# In VLAN 2, set the aging time to 300 seconds for global neighbor ports on the new master device after a master/subordinate switchover.

<Sysname> system-view

[Sysname] igmp-snooping

[Sysname-igmp-snooping] quit

[Sysname] vlan 2

[Sysname-vlan2] igmp-snooping enable

[Sysname-vlan2] pim-snooping enable

[Sysname-vlan2] pim-snooping graceful-restart neighbor-aging-time 300

Related commands

pim-snooping enable

reset pim-snooping statistics

Use reset pim-snooping statistics to clear statistics for the PIM messages learned through PIM snooping.

Syntax

reset pim-snooping statistics

Views

User view

Predefined user roles

network-admin

Examples

# Clear statistics for the PIM messages learned through PIM snooping.

<Sysname> reset pim-snooping statistics

Related commands

display pim-snooping statistics