C
HAPTER
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| Multicast Filtering Commands
Multicast VLAN Registration
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MULTICAST VLAN REGISTRATION
This section describes commands used to configure Multicast VLAN
Registration (MVR). A single network-wide VLAN can be used to transmit
multicast traffic (such as television channels) across a service provider’s
network. Any multicast traffic entering an MVR VLAN is sent to all
subscribers. This can significantly reduce to processing overhead required
to dynamically monitor and establish the distribution tree for a normal
multicast VLAN. Also note that MVR maintains the user isolation and data
security provided by VLAN segregation by passing only multicast traffic into
other VLANs to which the subscribers belong.
mvr This command enables Multicast VLAN Registration (MVR) globally on the
switch, statically configures MVR multicast group IP address(es) using the
group keyword, or specifies the MVR VLAN identifier using the vlan
keyword. Use the no form of this command without any keywords to
globally disable MVR. Use the no form with the group keyword to remove
a specific address or range of addresses. Or use the no form with the vlan
keyword to restore the default MVR VLAN.
SYNTAX
[no] mvr [group ip-address [count] | vlan vlan-id]
group - Defines a multicast service sent to all attached subscribers.
ip-address - IP address for an MVR multicast group.
(Range: 224.0.1.0 - 239.255.255.255)
count - The number of contiguous MVR group addresses.
(Range: 1-1024)
vlan - Specifies the VLAN through which MVR multicast data is
received. This is also the VLAN to which all source ports must be
assigned.
vlan-id - MVR VLAN ID (Range: 1-4093)
Table 130: Multicast VLAN Registration Commands
Command Function Mode
mvr Globally enables MVR, statically configures MVR group
address(es), or specifies the MVR VLAN identifier
GC
mvr immediate-leave Enables immediate leave capability IC
mvr type Configures an interface as an MVR receiver or source
port
IC
mvr vlan group Statically binds a multicast group to a port IC
show mvr Shows information about the global MVR configuration
settings, interfaces attached to the MVR VLAN, or the
multicast groups assigned to the MVR VLAN
PE
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