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Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
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Chapter 6      Configuring the System
Configuring MVR
Setting MVR Parameters
You do not need to set MVR parameters if you choose to use the default settings. 
If you do want to change the default parameters, you must do so before enabling 
MVR.
Beginning in privileged EXEC mode, follow these steps to configure MVR 
parameters:
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
mvr querytime value (Optional) Define the maximum time to wait for IGMP 
report memberships on a receiver port before removing the 
port from multicast group membership. The value is in 
units of tenths of a second. The default is 5 tenths or 
one-half second.
Step 3
mvr vlan vlan-id (Optional) Specify the VLAN in which multicast data will 
be received; all source ports must belong to this VLAN. 
The default is VLAN 1.
Step 4
interface interface  Enter interface configuration mode, and enter the type and 
number of the port to configure, for example, 
fastethernet 0/1.
Step 5
mvr threshold value (Optional) Define the maximum of multicast data packets 
received on a receiver port before it is administratively 
shut down. The default is 20.
Step 6
end  Exit configuration mode.
Step 7
show mvr 
show mvr interface
Verify the configuration.
Step 8
copy running-config 
startup-config 
Save your configuration changes to nonvolatile RAM 
(NVRAM).