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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Adjusting BSR RP Parameters

Adjusting BSR RP Parameters

If a BSR RP is used, you can adjust parameters about C-RPs and C-BSRs and configure a BSR administrative domain.

Usage Scenario

Initially, each C-BSR considers itself as a BSR and sends Bootstrap messages carrying the C-BSR addresses and C-BSR priorities on the entire network. Each router receives the Bootstrap messages sent by all C-BSRs. The router then compares these messages and elects a BSR. All routers use the same election rule and therefore the elected BSRs are the same.

All routers on the network must know the BSR address. C-RPs send Advertisement messages to the BSR. An Advertisement message carries the C-RP address, the range of multicast groups the C-RP serves, and the C-RP priority. The BSR summarizes these information into an RP-Set, encapsulates the RP-Set in a Bootstrap message, and advertises the message to all the other routers on the network. Based on the RP-Set, each router calculates routes by using the same rule and elects the RP of this group from the multiple C-RPs to which a specific group corresponds.

The router can work normally with default control parameters. You are allowed to adjust BSR RP parameters based on the specific networking environment.


If there is no special requirement, default parameter values are recommended.

Pre-configuration Tasks

Before adjusting BSR RP parameters, complete the following tasks:

  • Configure a unicast routing protocol to ensure that unicast routes are reachable.

  • Configure PIM-SM and configure the system to use a BSR RP.

Configuration Procedures

Perform one or more of the following configurations as required.

Updated: 2019-01-03

Document ID: EDOC1100055017

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