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Multicast Filtering Commands
4-197
4
Default Setting
None
Command Mode
Privileged Exec
Example
Related Commands
map ip dscp (Global Configuration) (4-193)
map ip dscp (Interface Configuration) (4-194)
Multicast Filtering Commands
This switch uses IGMP (Internet Group Management Protocol) to query for any
attached hosts that want to receive a specific multicast service. It identifies the ports
containing hosts requesting a service and sends data out to those ports only. It then
propagates the service request up to any neighboring multicast switch/router to
ensure that it will continue to receive the multicast service.
Console#show map ip dscp ethernet 1/1
DSCP mapping status: disabled
Port DSCP COS
--------- ---- ---
Eth 1/ 1 0 0
Eth 1/ 1 1 0
Eth 1/ 1 2 0
Eth 1/ 1 3 0
.
.
.
Eth 1/ 1 61 0
Eth 1/ 1 62 0
Eth 1/ 1 63 0
Console#
Table 4-68 Multicast Filtering Commands
Command Groups Function Page
IGMP Snooping Configures multicast groups via IGMP snooping or static assignment,
sets the IGMP version, displays current snooping and query settings,
and displays the multicast service and group members
4-198
IGMP Query Configures IGMP query parameters for multicast filtering at Layer 2 4-201
Static Multicast Routing Configures static multicast router ports 4-204