Avaya Configuring IP Multicasting and Multimedia Services Uživatelský manuál stáhnout pdf (Strana 85)

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101

Configuring and Customizing IGMP

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3-35

In Figure 3-2, multicast traffic is forwarded from a nonmulticast network to a

nonmulticast interface on the router and is sent out through multicast interfaces on

the same router. To create an IGMP static forwarding policy for this type of

scenario:

• Set the forwarding mode to “static to dynamic.”

• Specify the in circuit (in this example, IGMP interface 1).

• Set the inbound IGMP circuit’s static forward cache lifetime to a value

appropriate for the multicast protocol that will be transferring the traffic out of

the router. For instructions, see “Specifying the Static Forward Cache

Lifetime” on page 3-27.

Figure 3-2. Forwarding Multicast Traffic from a Static Network to a

Dynamic Network

Unicast network

Multicast traffic

Multicast network

Multicast receivers

Router with

DVMRP or MOSPF

multicast protocols

on outgoing interfaces

Configure IGMP static

forwarding policy as follows:

Forwarding Mode: Static to Dynamic

In Circuit: Specify interface 1

1 IGMP

HostHost

Traffic forwarded

per multicast

protocol rules

IP0103A

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 379 380

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