From: Eugene Ward (eward15@juno.com)
Date: Thu Nov 02 2006 - 09:25:50 ART
You are just missing a hostname for the router. Use "ip host" on the local
router to configure a hostname for the other routers, and you should see it
show up.
Eugene
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Folks, can someone please explain this oddity for me ? (Or is this an oddity
at the
first place ?)
Cisco documentation defines the Info source field as:
Info source
RP mapping agent that advertised the mapping.
I have 3 routers connected to each other forming a triangle: R4, R6 and R2
R4 is the RP for a group. R6 is the mapping agent for the group. Auto-RP is
used. This
triangle of routers is connected to 4 other routers.
When I do "show ip pim rp mappings" ... on all routers
R4 is the RP for the group ... rightfully so.
On R2 and R4 the "Info source" is set to R6
But on R6 the "Info source" is set to R4
I even reset R6 ro see if there is a change. All other routers in the
network show R6 as
the Info Source.
Here is the output:
R4--293#show ip pim rp mapping
PIM Group-to-RP Mappings
This system is an RP (Auto-RP)
Group(s) 224.0.0.0/4
RP 4.4.4.4 (?), v2v1
Info source: 6.6.6.6 (?), elected via Auto-RP
Uptime: 00:01:18, expires: 00:02:40 R4--293#
R6--295#show ip pim rp mapping
PIM Group-to-RP Mappings
This system is an RP-mapping agent (Loopback0)
Group(s) 224.0.0.0/4
RP 4.4.4.4 (?), v2v1
Info source: 4.4.4.4 (?), elected via Auto-RP
Uptime: 00:00:59, expires: 00:01:59 R6--295#
R2--291#show ip pim rp mapping
PIM Group-to-RP Mappings
Group(s) 224.0.0.0/4
RP 4.4.4.4 (?), v2v1
Info source: 6.6.6.6 (?), elected via Auto-RP
Uptime: 00:01:14, expires: 00:02:42 R2--291#
Any comments ?
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