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Chapter 20
Configuring IGMP Snooping and MVR
Command
Step 5
mvr type {source | receiver}
Step 6
mvr vlan vlan-id group [ip-address] (Optional) Statically configure a port to receive multicast traffic sent to the
Step 7
mvr immediate
Step 8
end
Step 9
show mvr
show mvr interface
or
show mvr members
Step 10
copy running-config startup-config (Optional) Save your entries in the configuration file.
To return the interface to its default settings, use the no mvr [type | immediate | vlan vlan-id | group]
interface configuration commands.
This example shows how to configure a port as a receiver port, statically configure the port to receive
multicast traffic sent to the multicast group address, configure Immediate Leave on the port, and verify
the results.
Switch(config)# mvr
Switch(config)# interface gigabitethernet0/2
Switch(config-if)# mvr type receiver
Switch(config-if)# mvr vlan 22 group 228.1.23.4
Switch(config-if)# mvr immediate
Switch(config)# end
Switch# show mvr interface
Port
----
Gi0/2
78-17058-01
Purpose
Configure an MVR port as one of these:
•
source—Configure uplink ports that receive and send multicast data as
source ports. Subscribers cannot be directly connected to source ports.
All source ports on a switch belong to the single multicast VLAN.
•
receiver—Configure a port as a receiver port if it is a subscriber port and
should only receive multicast data. It does not receive data unless it
becomes a member of the multicast group, either statically or by using
IGMP leave and join messages. Receiver ports cannot belong to the
multicast VLAN.
The default configuration is as a non-MVR port. If you attempt to configure
a non-MVR port with MVR characteristics, the operation fails.
multicast VLAN and the IP multicast address. A port statically configured as
a member of a group remains a member of the group until statically removed.
In compatible mode, this command applies to only receiver ports. In
Note
dynamic mode, it applies to receiver ports and source ports.
Receiver ports can also dynamically join multicast groups by using IGMP
join and leave messages.
(Optional) Enable the Immediate-Leave feature of MVR on the port.
This command applies to only receiver ports and should only be
Note
enabled on receiver ports to which a single receiver device is
connected.
Return to privileged EXEC mode.
Verify the configuration.
Type
Status
----
-------
RECEIVER
ACTIVE/DOWN
Immediate Leave
---------------
ENABLED
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
Configuring MVR
20-21
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Troubleshooting
