Cisco Catalyst 4500 Series Software Configuration Guide

28-5
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
Configuring IGMP Snooping
Note When configuring IGMP, configure the VLAN in the VLAN database mode. See Chapter 17,
“Configuring VLANs, VTP, and VMPS.”
IGMP snooping allows switches to examine IGMP packets and make forwarding decisions based on their
content.
These sections describe how to configure IGMP snooping:
• Default IGMP Snooping Configuration, page 28-5
• Enabling IGMP Snooping Globally, page 28-6
• Enabling IGMP Snooping on a VLAN, page 28-6
• Configuring Learning Methods, page 28-7
• Configuring a Static Connection to a Multicast Router, page 28-8
• Enabling IGMP Immediate-Leave Processing, page 28-8
• Configuring the IGMP Leave Timer, page 28-9
• Configuring IGMP Snooping Querier, page 28-10
• Configuring Explicit Host Tracking, page 28-11
• Configuring a Host Statically, page 28-11
• Suppressing Multicast Flooding, page 28-12
Default IGMP Snooping Configuration
Table 28-1 shows the IGMP snooping default configuration values.
Table 28-1 IGMP Snooping Default Configuration Values
Feature Default Value
IGMP snooping Enabled
Multicast routers None configured
Explicit Host Tracking Enabled for IGMPv3; Not available for IGMPv2
Immediate-leave processing Enabled for IGMPv3; Disabled for IGMPv2
Report Suppression Enabled
IGMP snooping learning method PIM/DVMRP
1
1. PIM/DVMRP = Protocol Independent Multicast/Distance Vector Multicast Routing Protocol

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E