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show multicast sessions


Syntax (EX Series Switch and the QFX Series)


Display information about announced IP multicast sessions.


On all SRX Series Firewalls, only 100 packets can be queued during pending (S, G) route. However, when multiple multicast sessions enter the route resolve process at the same time, buffer resources are not sufficient to queue 100 packets for each session.



Display standard information about all multicast sessions for all routing instances.

brief | detail | extensive

(Optional) Display the specified level of output.

logical-system (all | logical-system-name)

(Optional) Perform this operation on all logical systems or on a particular logical system.


(Optional) Display information about announced sessions that match a UNIX-style regular expression.

Required Privilege Level


Output Fields

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

Table 1: show multicast sessions Output Fields

Field Name

Field Description


Name of the known announced multicast sessions.

Sample Output

show multicast sessions

show multicast sessions regular-expression detail

Release Information

Command introduced before Junos OS Release 7.4.