show multicast usage
Syntax
Syntax (EX Series Switch)
Release Information
Command introduced before Junos OS Release 7.4.
Command introduced in Junos OS Release 9.0 for EX Series switches.
inet6 and instance options introduced in Junos OS Release 10.0 for EX Series switches.
Description
Display usage information about the 10 most active Distance Vector Multicast Routing Protocol (DVMRP) or Protocol Independent Multicast (PIM) groups.
Options
- none
Display multicast usage information for all supported address families for all routing instances.
- brief | detail
(Optional) Display the specified level of output.
- inet | inet6
(Optional) Display usage information for IPv4 or IPv6 family addresses, respectively.
- instance instance-name
(Optional) Display information about the most active DVMRP or PIM groups for a specific multicast instance.
- logical-system (all | logical-system-name)
(Optional) Perform this operation on all logical systems or on a particular logical system.
Required Privilege Level
view
List of Sample Output
show multicast usageshow multicast usage brief
show multicast usage instance
show multicast usage detail
Output Fields
Table 1 describes the output fields for the show multicast usage command. Output fields are listed in the approximate order in which they appear.
Table 1: show multicast usage Output Fields
Field Name | Field Description |
|---|---|
Instance | Name of the routing instance. (Displayed when multicast is configured within a routing instance.) |
Group | Group address. |
Sources | Number of sources. |
Packets | Number of packets that have been forwarded to this prefix. If one or more of the packets forwarded statistic queries fails or times out, the packets field displays unavailable. |
Bytes | Number of bytes that have been forwarded to this prefix. If one or more of the packets forwarded statistic queries fails or times out, the bytes field displays unavailable. |
Prefix | IP address. |
/len | Prefix length. |
Groups | Number of multicast groups. |
Sample Output
show multicast usage
user@host> show multicast usage Group Sources Packets Bytes 228.0.0.0 1 52847 4439148 239.1.1.1 2 13450 1125530 Prefix /len Groups Packets Bytes 10.255.14.144 /32 2 66254 5561304 10.255.70.15 /32 1 43 3374...
show multicast usage brief
The output for the show multicast usage brief command is identical to that for the show multicast usage command. For sample output, see show multicast usage.
show multicast usage instance
user@host> show multicast usage instance VPN-A Group Sources Packets Bytes 224.2.127.254 1 5538 509496 224.0.1.39 1 13 624 224.0.1.40 1 13 624 Prefix /len Groups Packets Bytes 192.168.195.34 /32 1 5538 509496 10.255.14.30 /32 1 13 624 10.255.245.91 /32 1 13 624 ...
show multicast usage detail
user@host> show multicast usage detail Group Sources Packets Bytes
228.0.0.0 1 53159 4465356
Source: 10.255.14.144 /32 Packets: 53159 Bytes: 4465356
239.1.1.1 2 13450 1125530
Source: 10.255.14.144 /32 Packets: 13407 Bytes: 1122156
Source: 10.255.70.15 /32 Packets: 43 Bytes: 3374
Prefix /len Groups Packets Bytes
10.255.14.144 /32 2 66566 5587512
Group: 228.0.0.0 Packets: 53159 Bytes: 4465356
Group: 239.1.1.1 Packets: 13407 Bytes: 1122156
10.255.70.15 /32 1 43 3374
Group: 239.1.1.1 Packets: 43 Bytes: 3374