multicast help info source

From: raul raul (juvenn@hotmail.com)
Date: Mon Jun 30 2008 - 10:11:48 ART


Hi ;
 
let say i have
 
       join 224.111.1.1 R1 R2join 224.222.2.2
                              | |
                              | |
RP and mapping agent SW1-----------------SW2 RP and mapping agent
 
why my info source show up is not the same as my mapping agent ?
 
Rack1R2#sh ip pim rp mappingPIM Group-to-RP Mappings
Group(s) 224.111.1.1/32 RP 15.15.7.7 (?), v2v1 Info source: 15.15.8.8 (?), elected via Auto-RP <----------y is not 15.15.7.7 which is SW1 ? Uptime: 00:00:31, expires: 00:02:29Group(s) 224.222.2.2/32 RP 15.15.8.8 (?), v2v1 Info source: 15.15.8.8 (?), elected via Auto-RP Uptime: 00:00:31, expires: 00:02:26Rack1R2#
 
Rack1R1#sh ip pim rp mappingPIM Group-to-RP Mappings
Group(s) 224.111.1.1/32 RP 15.15.7.7 (?), v2v1 Info source: 15.15.7.7 (?), elected via Auto-RP Uptime: 00:01:02, expires: 00:02:57Group(s) 224.222.2.2/32 RP 15.15.8.8 (?), v2v1 Info source: 15.15.7.7 (?), elected via Auto-RP <-----y is not 15.15.8.8 ? Uptime: 00:01:02, expires: 00:02:57Rack1R1#
 
Rack1SW1#sh ip pim rp mappingPIM Group-to-RP MappingsThis system is an RP (Auto-RP)This system is an RP-mapping agent (Loopback0)
Group(s) 224.111.1.1/32 RP 15.15.7.7 (?), v2v1 Info source: 15.15.7.7 (?), elected via Auto-RP <----this is correct Uptime: 00:02:27, expires: 00:02:32Group(s) 224.222.2.2/32 RP 15.15.8.8 (?), v2v1 Info source: 15.15.8.8 (?), elected via Auto-RP <---correct: 00:02:41, expires: 00:02:19Rack1SW1#
 
 
 



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