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Multicast Routing Commands
This router uses IGMP snooping and query to determine the ports connected to
downstream multicast hosts, and to propagate this information back up through the
multicast tree to ensure that requested services are forwarded through each
intermediate node between the multicast server and its hosts, and also to filter traffic
from all of the other interfaces that do not require these services.
Multicast routers use snooping and query messages, along with a multicast routing
protocol to deliver IP multicast packets across different subnetworks. This router
supports both the Distance-Vector Multicast Routing Protocol (DVMRP) and
Protocol Independent Multicasting (PIM). (Note that you should enable IGMP for any
interface that is using multicast routing.)
Command Groups
Static Multicast Routing
General Multicast Routing
DVMRP Multicast Routing
PIM-DM Multicast Routing
Static Multicast Routing Commands
Command
ip igmp snooping vlan
mrouter
show ip igmp snooping
mrouter
ip igmp snooping vlan mrouter
This command statically configures a multicast router port. Use the no form to
remove the configuration.
Syntax
[no] ip igmp snooping vlan vlan-id mrouter interface
• vlan-id - VLAN ID (Range: 1-4094)
• interface
• ethernet unit/port
- unit - Stack unit
- port - Port number. (Range: 1-28)
• port-channel channel-id (Range: 1-12)
63. Stacking is not supported in the current firmware.
Table 4-102 Multicast Routing Commands
Function
Configures static multicast router ports
Enables IP multicast routing globally; also displays the IP multicast
routing table created from static and dynamic routing information
Configures global and interface settings for DVMRP
Configures global and interface settings for PIM-DM
Table 4-103 Static Multicast Routing Commands
Function
Adds a multicast router port
Shows multicast router ports
63
. (Range: 1-1)
Multicast Routing Commands
4
Page
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4-299
4-301
4-310
Mode
Page
GC
4-297
PE
4-298
4-297
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