show multicast snooping route
Syntax
show multicast snooping route <logical-system logical-system> <all | active | inactive | control | data> <brief | detail | extensive> <inet | inet6> <vlan vlan-id> <qualified-vlan vlan-id> <mesh-group mesh-group-name> <group group> <source-prefix source-prefix> <regexp regexp> <bridge-domain bridge-domain-name> <instance instance-name> <l3-irb-elaboration-route> <evpn-core-nh-route>
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. |
| 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. |
| brief | detail | extensive |
(Optional) Display the specified level of output. |
| control |
(Optional) Display control route entries. |
| data |
(Optional) Display data route entries. |
| group group |
(Optional) Display the entries for a particular group. |
| inet |
(Optional) Display IPv4 information. |
| inet6 |
(Optional) Display IPv6 information. |
| instance instance-name |
(Optional) Display the entries for a multicast instance. |
| logical-system logical-system-name |
(Optional) Display information about a particular logical system, or type ’all’. |
| mesh-group mesh-group-name |
(Optional) Display the entries for a particular mesh group. |
| qualified-vlan vlan-id |
(Optional) Display the entries for a particular qualified VLAN. |
| regexp |
(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. |
| vlan vlan-id |
(Optional) Display the entries for a particular VLAN. |
| l3-irb-elaboration-route |
(Optional) Display all the IRB elaboration routes in the inet.1 table. |
| evpn-core-nh-route |
(Optional) Display all the EVPN core nexthop routes in the inet.1 table. |
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.
|
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. For (*,G) entries, this field is set to "*". |
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. Note:
EX4600, EX4650, and the QFX5000 line of switches don’t
provide packet rates for multicast transit traffic at
Layer 2, and any values displayed in this field for
|
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 |
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
- show multicast snooping route instance vs
- show multicast snooping route extensive
- show multicast snooping route extensive group
- show multicast snooping route l3-irb-elaboration-route
- show multicast snooping route evpn-core-nh-route
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 ge1/2/5.500show multicast snooping route extensive
user@host> show multicast snooping route extensive inet6 group ff03::1
Nexthop Bulking: OFF
Family: INET6
Group: ff03::1/128
Source: ::
Bridge-domain: BD-1
Mesh-group: __all_ces__
Downstream interface list:
ae0.1 -(562) 1048576
Statistics: 2697 kBps, 3875 pps, 758819039 packets
Next-hop ID: 1048605
Route state: Active
Forwarding state: Forwarding
Group: ff03::1/128
Source: 6666::2/128
Bridge-domain: BD-1
Mesh-group: __all_ces__
Downstream interface list:
ae0.1 -(562) 1048576
Statistics: 0 kBps, 0 pps, 0 packets
Next-hop ID: 1048605
Route state: Active
Forwarding state: Forwardingshow multicast snooping route extensive group
user@host> show multicast snooping route extensive instance evpn-vxlan group 233.252.0.1/
Group: 233.252.0.1/32
Source: *
Vlan: VLAN-100
Mesh-group: __all_ces__
Downstream interface list:
ge-0/0/3.0 -(662)
evpn-core-nh -(131076)
Statistics: 0 kBps, 0 pps, 0 packets
Next-hop ID: 131070
Route state: Active
Forwarding state: Forwarding
show multicast snooping route l3-irb-elaboration-route
user@host> show multicast snooping route l3-irb-elaboration-route
Group: 233.252.0.10/32
Source: 10.10.10.25/32
Downstream interface list:
irb.100 -(1048595)
Route Table ID: 0
Next-hop ID: 1048596show multicast snooping route evpn-core-nh-route
user@host> show multicast snooping route evpn-core-nh-route
Group: *
Source: *
Vlan/BD: bd1
Mesh-group: __ves__
Route Table ID: 8
Next-hop ID: 0
Group: 233.252.0.0/4
Source: *
Vlan/BD: bd1
Mesh-group: __ves__
Route Table ID: 8
Next-hop ID: 0
Group: *
Source: *
Vlan/BD: bd1
Mesh-group: __all_ces__
Route Table ID: 8
Next-hop ID: 0
Group: 233.252.0.0/4
Source: *
Vlan/BD: bd1
Mesh-group: __all_ces__
Route Table ID: 8
Next-hop ID: 0Release Information
Command introduced in Junos OS Release 8.5.
Support for control, data,
qualified-vlan and vlan options introduced in
Junos OS Release 13.3 for EX Series switches.
Support for l3-irb-elaboration-route and
evpn-core-nh-route options introduced in Junos OS Release
25.2R1 for QFX Series switches.