Configuration Guide User guide

FastIron Configuration Guide 1477
53-1002494-02
IGMP snooping show commands
Disabling PIM SM snooping on a VLAN
When PIM SM snooping is enabled globally, you can still disable it for a specific VLAN. For example,
the following commands disable PIM SM snooping for VLAN 20. This setting overrides the global
setting.
Brocade(config)# vlan 20
Brocade(config-vlan-20)# multicast disable-pimsm-snoop
Syntax: [no] multicast disable-pimsm-snoop
IGMP snooping show commands
This section describes the show commands for IGMP snooping.
Displaying the IGMP snooping configuration
To display the global IGMP snooping configuration, enter the show ip multicast command at any
level of the CLI.
To display the IGMP snooping information for a specific VLAN, enter the following command.
Syntax: show ip multicast vlan [<vlan-id>]
If you do not specify a <vlan-id>, information for all VLANs is displayed.
The following table describes the information displayed by the show ip multicast vlan command.
Field Description
Version The global IGMP version. In this example, the device is configured for IGMP version 2.
Query How often a querier sends a general query on the interface. In this example, the general queries
are sent every 125 seconds.
Group Age The number of seconds membership groups can be members of this group before aging out.
Max Resp The maximum number of seconds a client waits before replying to a query.
Brocade# show ip multicast
Summary of all vlans. Please use "sh ip mu vlan <vlan-id>" for details
Version=2, Intervals: Query=125, Group Age=260, Max Resp=10, Other Qr=260
VL10: cfg V3, vlan cfg passive, , pimsm (vlan cfg), 1 grp, 0 (SG) cache, no rtr
port
Brocade# show ip multicast vlan 10
Version=3, Intervals: Query=10, Group Age=260, Max Resp=10, Other Qr=30
VL10: cfg V3, vlan cfg passive, , pimsm (vlan cfg), 3 grp, 1 (SG) cache, no rtr
port,
e2 has 3 groups, non-QR (passive), default V3
**** Warning! has V2 client (life=240),
group: 239.0.0.3, life = 240
group: 224.1.1.2, life = 240
group: 224.1.1.1, life = 240
e4 has 0 groups, non-QR (passive), default V3