show multicast snooping route
Syntax
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-domainshow 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 secondsshow 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
