Cisco Catalyst 2950 User Manual

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

Cisco Catalyst 2950 Specifications

General

Forwarding Bandwidth	8.8 Gbps
Switching Capacity	13.6 Gbps
Forwarding Rate	6.6 Mpps
Weight	3.6 kg
RAM	16 MB
Flash Memory	8 MB
Operating Humidity	10% to 85% non-condensing
Uplink Ports	2 x 10/100/1000Base-T
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Quality of Service (QoS), VLAN support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicators	system
Operating Temperature	0 to 45°C
Ports	24 x 10/100 Ethernet ports
MAC Address Table Size	8, 192 entries
Power Supply	Internal 100-240V AC, 50-60Hz