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show multicast usage

Syntax

Syntax (EX Series Switch and the QFX Series)

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

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.

Sensor ID

Sensor ID corresponding to multicast route.

Sample Output

show multicast usage

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

show multicast usage detail

Release Information

Command introduced before Junos OS Release 7.4.

inet6 and instance options introduced in Junos OS Release 10.0 for EX Series switches.