R3166-R3206-HP High-End Firewalls Network Management Configuration Guide-6PW101

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MSDP configuration
NOTE:
The firewall supports MSDP configuration only in the CLI.
Multicast source discovery protocol (MSDP) is an inter-domain multicast solution developed to address
the interconnection of protocol independent multicast sparse mode (PIM-SM) domains. It is used to
discover multicast source information in other PIM-SM domains.
In the basic PIM-SM mode, a multicast source registers only with the RP in the local PIM-SM domain, and
the multicast source information of a domain is isolated from that of another domain. As a result, the RP
is aware of the source information only within the local domain and a multicast distribution tree is built
only within the local domain to deliver multicast data from a local multicast source to local receivers. If
there is a mechanism that allows RPs of different PIM-SM domains to share their multicast source
information, the local RP will be able to join multicast sources in other domains and multicast data can
be transmitted among different domains.
MSDP achieves this goal. With MSDP peer relationships established between appropriate routers in the
network, the RPs of different PIM-SM domains are interconnected with one another. Source active (SA)
messages are exchanged between these MSDP peers and thus the multicast source information is shared
among these different domains.
CAUTION:
• MSDP is applicable only if the intra-domain multicast protocol is PIM-SM.
• MSDP is meaningful only for the any-source multicast (ASM) model.
MSDP configuration task list
Complete these tasks to configure MSDP:
Task Remarks
Configuring basic functions of
MSDP
Enabling MSDP Required
Creating an MSDP peer connection Required
Configuring a static RPF peer Optional
Configuring an MSDP peer
connection
Configuring MSDP peer description Optional
Configuring an MSDP mesh group Optional
Configuring MSDP peer connection control Optional
Configuring SA messages
related parameters
Configuring SA message content Optional
Configuring SA request messages Optional
Configuring SA message filtering rules Optional
Configuring the SA cache mechanism Optional