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Contents
xvii
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Enabling VTP Pruning 17-14
Adding a VTP Client Switch to a VTP Domain 17-14
Monitoring VTP 17-15
CHAPTER
18 Configuring Voice VLAN 18-1
Understanding Voice VLAN 18-1
Configuring Voice VLAN 18-2
Default Voice VLAN Configuration 18-2
Voice VLAN Configuration Guidelines 18-3
Configuring a Port to Connect to a Cisco 7960 IP Phone 18-3
Configuring Ports to Carry Voice Traffic in IEEE 802.1Q Frames 18-4
Configuring Ports to Carry Voice Traffic in IEEE 802.1p Priority-Tagged Frames 18-4
Overriding the CoS Priority of Incoming Data Frames 18-5
Configuring the IP Phone to Trust the CoS Priority of Incoming Data Frames 18-5
Displaying Voice VLAN 18-6
CHAPTER
19 Configuring DHCP Features 19-1
Understanding DHCP Features 19-1
DHCP Server 19-2
DHCP Relay Agent 19-2
DHCP Snooping 19-2
Option-82 Data Insertion 19-3
Configuring DHCP Features 19-5
Default DHCP Configuration 19-5
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 20-1
IGMP Versions 20-2
Joining a Multicast Group 20-3
Leaving a Multicast Group 20-4
Immediate-Leave Processing 20-5
IGMP Configurable-Leave Timer 20-5
IGMP Report Suppression 20-5
Source-Only Networks 20-6