Multicast Routing Commands 4

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.)

Table 4-102 Multicast Routing Commands

Command Groups

Function

Page

 

 

 

Static Multicast Routing

Configures static multicast router ports

4-295

 

 

 

General Multicast Routing

Enables IP multicast routing globally; also displays the IP multicast

4-297

 

routing table created from static and dynamic routing information

 

DVMRP Multicast Routing

Configures global and interface settings for DVMRP

4-299

 

 

 

PIM-DM Multicast Routing

Configures global and interface settings for PIM-DM

4-308

 

 

 

Static Multicast Routing Commands

Table 4-103 Static Multicast Routing Commands

Command

Function

Mode

Page

 

 

 

 

ip igmp snooping vlan

Adds a multicast router port

GC

4-295

mrouter

 

 

 

show ip igmp snooping

Shows multicast router ports

PE

4-296

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-idmrouter interface

•vlan-id- VLAN ID (Range: 1-4093)

•interface

•ethernet unit/port

-unit - Stack unit. (Range: 1-8)

-port - Port number. (Range: 1-25/49)

•port-channel channel-id(Range: 1-32)

4-295

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Microsoft ES4649, ES4625 manual Multicast Routing Commands, 297, Configures global and interface settings for Dvmrp 299
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