Contents
xvii
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-12
Configuring DHCP Features 19-5
Default DHCP Configuration 19-6
DHCP Snooping Configuration Guidelines 19-6
Configuring the DHCP Server 19-7
Enabling DHCP Snooping and Option 82 19-7
Displaying DHCP Information 19-8
CHAPTER
20 Configuring IGMP Snooping and MVR 20-1
Understanding IGMP Snooping 20-2
IGMP Versions 20-2
Joining a Multicast Group 20-3
Leaving a Multicast Group 20-5
Immediate-Leave Processing 20-5
IGMP Configurable-Leave Timer 20-5
IGMP Leave Timer Guidelines 20-6
IGMP Report Suppression 20-6
IGMP Snooping Querier Configuration Guidelines and Restrictions 20-6
Source-Only Networks 20-7
Configuring IGMP Snooping 20-7
Default IGMP Snooping Configuration 20-8
Enabling or Disabling IGMP Snooping 20-8
Setting the Snooping Method 20-9
Configuring a Multicast Router Port 20-10
Configuring a Host Statically to Join a Group 20-10
Enabling IGMP Immediate-Leave Processing 20-11
Configuring the IGMP Leave Timer 20-12
Disabling IGMP Report Suppression 20-12
Disabling IP Multicast-Source-Only Learning 20-13
Configuring the Aging Time 20-14
Configuring the IGMP Snooping Querier 20-14
Displaying IGMP Snooping Information 20-15
Understanding Multicast VLAN Registration 20-16
Using MVR in a Multicast Television Application 20-17
Configuring MVR 20-19
Default MVR Configuration 20-19
MVR Configuration Guidelines and Limitations 20-19
Configuring MVR Global Parameters 20-20
Configuring MVR Interfaces 20-21
Displaying MVR Information 20-22
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