Chapter 16
| Multicast Filtering
Layer 2 IGMP (Snooping and Query)
– 476 –
Figure 313: Showing Current Interfaces Attached a Multicast Router
Assigning Interfaces
to Multicast Services
Use the Multicast > IGMP Snooping > IGMP Member (Add Static Member) page to
statically assign a multicast service to an interface.
Multicast filtering can be dynamically configured using IGMP Snooping and IGMP
Query messages (see “Configuring IGMP Snooping and Query Parameters” on
page 470). However, for certain applications that require tighter control, it may be
necessary to statically configure a multicast service on the switch. First add all the
ports attached to participating hosts to a common VLAN, and then assign the
multicast service to that VLAN group.
Command Usage
◆ Static multicast addresses are never aged out.
◆ When a multicast address is assigned to an interface in a specific VLAN, the
corresponding traffic can only be forwarded to ports within that VLAN.
Parameters
These parameters are displayed:
◆ VLAN – Specifies the VLAN which is to propagate the multicast service.
(Range: 1-4094)
◆ Interface – Activates the Port or Trunk scroll down list.
◆ Port or Trunk – Specifies the interface assigned to a multicast group.
◆ Multicast IP – The IP address for a specific multicast service.
Web Interface
To statically assign an interface to a multicast service:
1. Click Multicast, IGMP Snooping, IGMP Member.
2. Select Add Static Member from the Action list.
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