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show multicast snooping route

Syntax

show multicast snooping route<brief | detail | extensive><active | all | inactive><bridge-domain bridge-domain-name><group group><instance instance-name><mesh-group mesh-group-name><regular-expression><source-prefix source-prefix>

Release Information

Command introduced in Junos OS Release 8.5.

Description

Display the entries in the IP multicast snooping forwarding table. You can display some of this information with the show route table inet.1 command.

Options

none

Display standard information about all entries in the multicast snooping table for all virtual switches and all bridge domains.

brief | detail | extensive

(Optional) Display the specified level of output.

active | all | inactive

(Optional) Display all active entries, all entries, or all inactive entries, respectively, in the multicast snooping table.

bridge-domain bridge-domain

(Optional) Display the entries for a particular bridge domain.

group group

(Optional) Display the entries for a particular group.

instance instance-name

(Optional) Display the entries for a multicast instance.

mesh-group mesh-group-name

(Optional) Display the entries for a particular mesh group.

regular-expression

(Optional) Display information about the multicast forwarding table entries that match a UNIX-style regular expression.

source-prefix source-prefix

(Optional) Display the entries for a particular source prefix.

Required Privilege Level

view

List of Sample Output

show multicast snooping route bridge-domain
show multicast snooping route instance vs

Output Fields

Table 1 describes the output fields for the show multicast snooping route command. Output fields are listed in the approximate order in which they appear.

Table 1: show multicast snooping route Output Fields

Field Name

Field Description

Level of Output

Nexthop Bulking

Displays whether next-hop bulk updating is ON or OFF (only for routing-instance type of virtual switch or vpls).

All levels

Family

IPv4 address family (INET) or IPv6 address family (INET6).

All levels

Group

Group address.

All levels

Source

Prefix and length of the source as it is in the multicast forwarding table.

All levels

Routing-instance

Name of the routing instance to which this routing information applies. (Displayed when multicast is configured within a routing instance.)

All levels

Learning Domain

Name of the learning domain to which this routing information applies.

detail extensive

Statistics

Rate at which packets are being forwarded for this source and group entry (in Kbps and pps), and number of packets that have been forwarded to this prefix.

detail extensive

Next-hop ID

Next-hop identifier of the prefix. The identifier is returned by the router's Packet Forwarding Engine and is also displayed in the output of the show multicast nexthops command.

detail extensive

Route state

Whether the group is Active or Inactive.

extensive

Forwarding state

Whether the prefix is Pruned or Forwarding.

extensive

Cache lifetime/timeout

Number of seconds until the prefix is removed from the multicast forwarding table. A value of never indicates a permanent forwarding entry.

extensive

Sample Output

show multicast snooping route bridge-domain

user@host> show multicast snooping route bridge-domain br-dom-1 extensive
Family: INET

Group: 232.1.1.1
    Source: 192.168.3.100/32
    Downstream interface list:
        ge-0/1/0.200
    Statistics: 0 kBps, 0 pps, 1 packets
    Next-hop ID: 1048577
    Route state: Active
    Forwarding state: Forwarding
    Cache lifetime/timeout: 240 seconds

show multicast snooping route instance vs

user@host> show multicast snooping route instance vs
Nexthop Bulking: ON

Family: INET

Group: 224.0.0.0
    Bridge-domain: vsid500

Group: 225.1.0.1
    Bridge-domain: vsid500
    Downstream interface list: vsid500
       ge-0/3/8.500 ge-1/1/9.500 ge1/2/5.500

Published: 2013-07-31

Supported Platforms

Published: 2013-07-31