Dell Force10 E600i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 716
Elect an RP using the BSR Mechanism, IP Version, Command Syntax, Command Mode
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www.dell.com | support.dell.com Elect an RP using the BSR Mechanism Every PIM router within a domain must map a particular multicast group address to the same RP. The group-to-RP mapping may be statically or dynamically configured. RFC 5059 specifies a dynamic, self-configuring method called the Bootstrap Router (BSR) mechanism, by which an RP is elected from a pool of RP candidates (C-RPs). Some routers within the domain are configured to be C-RPs. Other routers are configured to be Bootstrap Router candidates (C-BSRs); one router is elected the BSR for the domain and is responsible for forwarding Bootstrap messages (BSM) containing the results of the RP election to the other routers in the domain. The RP election process is as follows: 1. C-BSRs flood their candidacy throughout the domain in a BSM. Each message contains a BSR priority value, and the C-BSR with the highest priority value becomes the BSR. 2. Each C-RP unicasts periodic Candidate-RP-Advertisements to the BSR. Each message contains an RP priority value and the group ranges for which it is a C-RP. 3. The BSR determines the most efficient and stable group-to-RP mappings, which is called the RP-Set. 4. The BSR floods the RP-Set throughout the domain periodically in case new C-RPs are announced, or an RP failure occurs. IP Version IPv4 Task Make a PIM router a BSR candidate. Make a PIM router a RP candidate. Display Bootstrap Router information. IPv6 Make a PIM router a BSR candidate. Make a PIM router a RP candidate. Display Bootstrap Router information. Command Syntax ip pim bsr-candidate ip pim rp-candidate show ip pim bsr-router ipv6 pim bsr-candidate ipv6 pim rp-candidate show ipv6 pim bsr-router Command Mode CONFIGURATION CONFIGURATION EXEC Privilege CONFIGURATION CONFIGURATION EXEC Privilege 716 | PIM Sparse-Mode
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