C
HAPTER
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| Multicast Filtering
Layer 2 IGMP (Snooping and Query)
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2. Select Show Static Multicast Router from the Action list.
3. Select the VLAN for which to display this information.
Figure 229: Showing Static Interfaces Attached a Multicast Router
Multicast routers that are attached to ports on the switch use information
obtained from IGMP, along with a multicast routing protocol (such as PIM)
to support IP multicasting across the Internet. These routers may be
dynamically discovered by the switch or statically assigned to an interface
on the switch. To show all the interfaces attached to a multicast router:
1. Click Multicast, IGMP Snooping, Multicast Router.
2. Select Current Multicast Router from the Action list.
3. Select the VLAN for which to display this information. Ports in the
selected VLAN which are attached to a neighboring multicast router/
switch are displayed.
Figure 230: Showing Current Interfaces Attached a Multicast Router
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