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Huawei Quidway S5600 Series User Manual

Huawei Quidway S5600 Series
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Operation Manual – Multicast Protocol
Quidway S5600 Series Ethernet Switches-Release 1510 Chapter 8 MSDP Configuration
Huawei Technologies Proprietary
8-1
Chapter 8 MSDP Configuration
 Note:
z The multicast source discovery protocol (MSDP) does not support the IRF feature,
so MSDP cannot be configured in Fabric.
z Routers and router icons in this chapter represent routers in the common sense and
Ethernet switches running routing protocols.
8.1 Overview
Internet service providers (ISP) are not willing to rely on devices of their competitors to
forward multicast traffic. On the other hand, ISPs want to obtain information from
information sources no matter where the information resources reside and forward the
information to their own members. MSDP is designed to address this issue and used to
discover multicast sources in other protocol independent multicast sparse mode
(PIM-SM) domains. MSDP is only valid for the any-source multicast (ASM) model.
MSDP describes a mechanism of interconnecting multiple PIM-SM domains. It requires
that the inter-domain multicast routing protocol must be PIM-SM and allows the
rendezvous points (RPs) of different domains to share multicast source information.
I. MSDP peers
The RP in a PIM-SM domain can sense the existence of an active multicast source S, if
any, in this domain through multicast source register messages. If a PIM-SM domain
managed by another ISP wants to obtain information from this multicast source, the
routers in both PIM-SM domains must establish an MSDP peering relationship with
each other, as shown in
Figure 8-1:

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Huawei Quidway S5600 Series Specifications

General IconGeneral
BrandHuawei
ModelQuidway S5600 Series
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LanguageEnglish

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