C
HAPTER
39
| Multicast Filtering Commands
MVR for IPv6
– 1281 –
EXAMPLE
This example sets the proxy query interval for MVR proxy switching.
Console(config)#mvr profile rd 228.1.23.1 228.1.23.10
Console(config)#
mvr6
proxy-switching
This command enables MVR proxy switching, where the source port acts as
a host, and the receiver port acts as an MVR router with querier service
enabled. Use the no form to disable this function.
SYNTAX
[no] mvr6 proxy-switching
DEFAULT SETTING
Enabled
COMMAND MODE
Global Configuration
COMMAND USAGE
â—† When MVR proxy-switching is enabled, an MVR source port serves as
the upstream or host interface, and the MVR receiver port serves as the
querier. The source port performs only the host portion of MVR by
sending summarized membership reports, and automatically disables
MVR router functions.
â—† Receiver ports are known as downstream or router interfaces. These
interfaces perform the standard MVR router functions by maintaining a
database of all MVR subscriptions on the downstream interface.
Receiver ports must therefore be configured on all downstream
interfaces which require MVR proxy service.
â—† When the source port receives report and leave messages, it only
forwards them to other source ports.
â—† When receiver ports receive any query messages, they are dropped.
â—† When changes occurring in the downstream MVR groups are learned by
the receiver ports through report and leave messages, an MVR state
change report is created and sent to the upstream source port, which in
turn forwards this information upstream.
â—† When MVR proxy switching is disabled:
â–
Any membership reports received from receiver/source ports are
forwarded to all source ports.
â–
When a source port receives a query message, it will be forwarded
to all downstream receiver ports.
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