Configuring Igmp Snooping - Cisco WS-C3020 Software Configuration Manual

Chapter 22 Configuring IGMP Snooping and MVR

Configuring IGMP Snooping

IGMP snooping allows switches to examine IGMP packets and make forwarding decisions based on their
content. These sections contain this configuration information:
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Default IGMP Snooping Configuration
Table 22-3
Table 22-3
Feature
IGMP snooping
Multicast routers
Multicast router learning (snooping) method
IGMP snooping Immediate Leave
Static groups
TCN
TCN query solicitation
IGMP snooping querier
IGMP report suppression
1. TCN = Topology Change Notification
OL-8915-03
Default IGMP Snooping Configuration, page 22-7
Enabling or Disabling IGMP Snooping, page 22-8
Setting the Snooping Method, page 22-8
Configuring a Multicast Router Port, page 22-9
Configuring a Blade Server Statically to Join a Group, page 22-10
Enabling IGMP Immediate Leave, page 22-11
Configuring the IGMP Leave Timer, page 22-11
Configuring TCN-Related Commands, page 22-12
Configuring the IGMP Snooping Querier, page 22-14
Disabling IGMP Report Suppression, page 22-16
shows the default IGMP snooping configuration.
Default IGMP Snooping Configuration
1
flood query count
Default Setting
Enabled globally and per VLAN
None configured
PIM-DVMRP
Disabled
None configured
2
Disabled
Disabled
Enabled
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
Configuring IGMP Snooping
22-7