IBM 12.1(22)EA6 - Manual (Page 296)

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Cisco Systems Intelligent Gigabit Ethernet Switch Modules for the IBM BladeCenter, Software Configuration Guide
24R9746
Chapter 14 Configuring IGMP Snooping and MVR
Configuring MVR
Default MVR Configuration
Table 14-5 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, see the command
reference for this release.
Configuring MVR Global Parameters
You do not need to set the optional MVR parameters if you choose to use the default settings. If you do
want to change the default parameters (except for the MVR VLAN), you must first enable MVR.
Beginning in privileged EXEC mode, follow these steps to configure MVR parameters:
Table 14-5 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
Command Purpose
Step 1 configure terminal Enter global configuration mode.
Step 2 mvr Enable MVR on the switch.