Displaying the igmp status of an interface – Brocade BigIron RX Series Configuration Guide User Manual

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BigIron RX Series Configuration Guide

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IGMP v3

24

Displaying the IGMP status of an interface

You can display the status of a multicast enabled port by entering a command such as the
following:

Syntax: show ip igmp interface [ve | ethernet <number> <group-address>]

Enter ve and its <number> or ethernet and its <number> to display information for a specific
virtual routing interface or ethernet interface.

Entering an address for <group-address> displays information for a specified group on the
specified interface.

The report shows the following information.

Mode

Indicates current mode of the interface: Include or Exclude. If the interface is
in Include mode, it admits traffic only from the source list. If an interface is in
Exclude mode, it denies traffic from the source list and accepts the rest.

#_src

Identifies the source list that will be included or excluded on the interface.
If IGMP V2 group is in Exclude mode with a #_src of 0, the group excludes
traffic from 0 (zero) source list, which means that all traffic sources are
included.

Group

If you requested a detailed report, the following information is displayed:

The multicast group address

The mode of the group

A list of sources from which traffic will be admitted (include) or denied
(exclude) on the interface is listed.

The life of each source list.

If you requested a tracking report, the clients from which reports were
received are identified.

This field

Displays

Query interval

Displays how often a querier sends a general query on the interface.

Max response

The maximum number of seconds a client can wait before it replies to the
query.

This field

Displays

BigIron RX# show ip igmp interface

query interval = 60, max response time= 3, group membership time=140

v5: default V2, PIM dense, addr=1.1.1.2

e4/12 has 0 groups, non-Querier (age=40), default V2

v18: default V2, DVMRP, addr=2.2.2.1

e4/20 has 0 groups, Querier, default V2

v20: configured V3, PIM dense (port down), addr=1.1.20.1

v110: configured V3, PIM dense, addr=110.110.110.1

e4/6 has 2 groups, Querier, default V3

group: 239.0.0.1, exclude, life=100, deny 13

group: 224.1.10.1, include, permit 2

e4/5 has 3 groups, Querier, default V3

group: 224.2.2.2, include, permit 100

group: 239.0.0.1, include, permit 10

group: 224.1.10.1, include, permit 1

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