Cisco Catalyst 4500 Series - Configuring IGMP Snooping Querier

28-10
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 28 Configuring IGMP Snooping and Filtering, and MVR
Configuring IGMP Snooping
Switch# show ip igmp snooping show ip igmp snooping
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping : Enabled
IGMPv3 snooping : Enabled
Report suppression : Enabled
TCN solicit query : Disabled
TCN flood query count : 2
Last Member Query Interval : 200
Vlan 1:
--------
IGMP snooping : Enabled
IGMPv2 immediate leave : Disabled
Explicit host tracking : Enabled
Multicast router learning mode : pim-dvmrp
Last Member Query Interval : 200
CGMP interoperability mode : IGMP_ONLY
Vlan 10:
--------
IGMP snooping : Enabled
IGMPv2 immediate leave : Disabled
Explicit host tracking : Enabled
Multicast router learning mode : pim-dvmrp
Last Member Query Interval : 500
CGMP interoperability mode : IGMP_ONLY
Switch#
Configuring IGMP Snooping Querier
The IGMP Snooping Querier feature can be enabled either globally or per-VLAN.
Note The IGMP snooping querier is disabled by default.
To configure IGMP Snooping Querier, perform this task:
Command Purpose
Step 1
Switch# configure terminal
Enters global configuration mode.
Step 2
Switch(config)# [no] ip igmp snooping
[vlan vlan_id] querier
Enables IGMP Snooping Querier.
Step 3
Switch(config)# [no] ip igmp snooping
[vlan vlan_id] querier address abcd
Configures the IGMP Snooping Querier source IP address.
Step 4
Switch(config)# [no] ip igmp snooping
[vlan vlan_id] querier version [1 | 2]
Configures IGMP Snooping Querier IGMP version.
Step 5
Switch(config)# ip igmp snooping
[vlan vlan_id] querier query-interval
interval
Configures IGMP Snooping Querier query interval.
Step 6
Switch(config)# ip igmp snooping
[vlan vlan_id] querier max-response-time
value
Configures IGMP Snooping Querier query maximum response
time.
Step 7
Switch(config)# ip igmp snooping
[vlan vlan_id] querier timer expiry value
Configures IGMP Snooping Querier expiry time out.