Configuring Mvr Interfaces - Cisco Catalyst 2950 Software Configuration Manual
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Also See for Catalyst 2950:
- Configuration manual (710 pages) ,
- Command reference manual (686 pages) ,
- Software configuration manual (544 pages)
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Chapter 20
Configuring IGMP Snooping and MVR
Switch(config)# mvr querytime 10
Switch(config)# mvr vlan 22
Switch(config)# mvr mode dynamic
Switch(config)# end
Switch# show mvr
MVR Running: TRUE
MVR multicast vlan: 22
MVR Max Multicast Groups: 256
MVR Current multicast groups: 1
MVR Global query response time: 10 (tenths of sec)
MVR Mode: dynamic
You can use the show mvr members privileged EXEC command to verify the MVR multicast group
addresses on the switch.
Configuring MVR Interfaces
Beginning in privileged EXEC mode, follow these steps to configure MVR interfaces:
Command
Step 1
configure terminal
Step 2
mvr
Step 3
interface interface-id
Step 4
mvr type {source | receiver}
Step 5
mvr vlan vlan-id group ip-address
Step 6
mvr immediate
Step 7
end
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Purpose
Enter global configuration mode.
Enable MVR on the switch.
Enter the port to configure and enter interface configuration mode.
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.
(Optional) Statically configure a port to receive multicast traffic sent to the
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.
Note
This command applies to only receiver ports and should only be
enabled on receiver ports to which a single receiver device is
connected.
Return to privileged EXEC mode.
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
Configuring MVR
20-21
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