Name: Cisco 2950 - Catalyst Switch
Brand: Cisco
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21-17

Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide

78-11380-10

Chapter 21 Configuring IGMP Snooping and MVR

Configuring MVR

These sections include basic MVR configuration information:

• Default MVR Configuration, page 21-17

• MVR Configuration Guidelines and Limitations, page 21-17

• Configuring MVR Global Parameters, page 21-18

• Configuring MVR Interfaces, page 21-19

Default MVR Configuration

Table 21-5 shows the default MVR configuration.

MVR Configuration Guidelines and Limitations

Follow these guidelines when configuring MVR:

• Receiver ports cannot be trunk ports. Receiver ports on a switch can be in different VLANs, but

should not belong to the multicast VLAN.

• The maximum number of multicast entries that can be configured on a switch (that is, the maximum

number of television channels that can be received) is 256.

• Each channel is one multicast stream destined for a unique IP multicast address. These IP addresses

cannot alias between themselves or with the reserved IP multicast addresses (in the

range 224.0.0.xxx).

• MVR does not support IGMPv3 messages.

Note For complete syntax and usage information for the commands used in this section, refer to the command

reference for this release.

Table 21-5 Default MVR Configuration

Feature Default Setting

MVR Disabled globally and per interface

Multicast addresses None configured

Query response time 0.5 second

Multicast VLAN VLAN 1

Mode Compatible

Interface (per port) default Neither a receiver nor a source port

Immediate Leave Disabled on all ports

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Cisco 2950 - Catalyst Switch Specifications

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