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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Adjusting the Parameters of SA Messages

Adjusting the Parameters of SA Messages

MSDP peers share (S, G) information by exchanging SA messages. You can configure the capacity of the SA cache, enable the sending of SA Request messages, enable the encapsulation of multicast data into SA messages, and create filtering policies for SA messages and SA Request messages.

Usage Scenario

SA messages carry the following information and are transmitted among multiple RPs.

  • IP address of the source's RP

  • Number of (S, G) entries contained in the message

  • Active (S, G) lists in the domain

Enabling the sending of SA Request message on the local RP and enabling the SA cache function on the remote MSDP peer can shorten the time taken by a receiver to obtain multicast source information.

  • The local RP sends an SA Request message, carrying the required group address, for obtaining the (S, G) list of this group.

  • Upon receipt of the SA Request message, the remote MSDP peer responds with an SA Response message carrying the required (S, G) information.

Pre-configuration Tasks

Before adjusting the parameters of SA messages, complete the following tasks:

Configuration Procedures

Perform one or more of the following configurations as required.

Updated: 2019-01-03

Document ID: EDOC1100055017

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