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    Monitoring the Number of IGMP Groups on a Port

    Purpose

    Display the number of IGMP groups that ports have accepted and, if configured, the maximum number of groups that ports can accept.

    Note: Only ports that have accepted IGMP groups and ports for which you have configured a limit for the number of IGMP groups appear in this output.

    Action

    To display the number of IGMP groups that ports have accepted and, if configured, the maximum number of groups that ports can accept:

    host1:boston#show multicast group limit
    Port      limit count
    --------- ----- -----
    2/0           5     0
    2/1          -1     1

    Meaning

    Table 1 lists the output fields of the show multicast group limit command.

    Table 1: show multicast group limit Output Fields

    Field Name

    Field Description

    Port

    Identifier of the port in slot/port format:

    • slot—Number of the chassis slot in the range 0–6 (ERX7xx models) and 0–13 (ERX14xx models)
    • port—Port number on the I/O module

    limit

    Maximum number of IGMP groups that the port can accept. A value of –1 indicates that no limit has been specified.

    count

    Actual number of IGMP groups that the port has accepted

    Published: 2014-08-19