Displaying Querier Information - Cisco Catalyst 4500 series Administration Manual

Chapter 27 Configuring IGMP Snooping and Filtering, and MVR
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Displaying Querier Information

To display querier information, perform this task:
Command
Switch# show ip igmp snooping querier [vlan
vlan_ID]
This example shows how to display the IGMP snooping querier information for all VLANs on the
switch:
Switch# show ip igmp snooping querier
Vlan
---------------------------------------------------
2
3
This example shows how to display the IGMP snooping querier information for VLAN 3:
Switch# show ip igmp snooping querier vlan 3
Vlan
---------------------------------------------------
3
Displaying IGMP Host Membership Information
By default, EHT maintains a maximum of 1000 entries in the EHT database. Once this limit is reached,
Note
no additional entries are created. To create additional entries, clear the database with the
clear ip igmp snooping membership vlan command.
To display host membership information, perform this task:
Command
Switch# show ip igmp snooping membership
[interface interface_num][vlan vlan_ID]
[reporter a.b.c.d] [source a.b.c.d group
a.b.c.d]
This example shows how to display host membership information for VLAN 20 and to delete the EHT
database:
Switch# show ip igmp snooping membership vlan 20
#channels: 5
#hosts : 1
Source/Group Interface Reporter Uptime Last-Join Last-Leave
OL_28731-01
Displaying MAC Address Multicast Entries, page 27-18
Displaying IGMP Snooping Information on a VLAN Interface, page 27-18
Configuring IGMP Filtering, page 27-30
IP Address IGMP Version
10.10.10.1 v2
172.20.50.22 v3
IP Address IGMP Version
172.20.50.22 v3
Purpose
Displays multicast router interfaces.
Port
Router
Fa3/15
Port
Fa3/15
Purpose
Displays EHT information.
This command is valid only if EHT is
Note
enabled on the switch.
Software Configuration Guide—Release IOS XE 3 6.0E and IOS 15.2(2)E
Displaying IGMP Snooping Information
27-15