RE: Multicasting with bsr. Who is my rp?

From: Brian Dennis (brian@5g.net)
Date: Sat Sep 28 2002 - 12:35:55 GMT-3


If you're just referring to the RP then it's the highest IP address.

Brian Dennis, CCIE #2210 (R&S/ISP Dial)

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Richard Davidson
Sent: Friday, September 27, 2002 9:45 PM
To: 'groupstudy'
Subject: RE: Multicasting with bsr. Who is my rp?

Hello Brian,
I though, that is how the C-BSR is picked and the C-RP has a selection
process as well, which is the one I'm speeking of. The book said the
C-RP is selected by the losest ip of the C-RP's. The C-RP does not have
a preferance that I know of, only the C-BSR.
Rich
 Brian Dennis
wrote:Selection is based on the preference value first and then the
highest IP
address is used as the tie breaker.

Brian Dennis, CCIE #2210 (R&S/ISP Dial)

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Richard Davidson
Sent: Friday, September 27, 2002 8:34 PM
To: groupstudy
Subject: Multicasting with bsr. Who is my rp?

I have configured BSR-candidate on a router and rp-candidate on R1 and
R2. The rp address of r1 is 172.16.101.1 and R2 172.16.102.1. From
what I understand, the one with the lower ip address should be the rp
and this is chosen by the router that recieves the bootstrap message. I
got this from Doyle page 564. Is this correct. MY config is showing
the one with the higher ip being the rp.

Rich

****

r3#sho ip pim rp ma
PIM Group-to-RP Mappings

Group(s) 224.0.0.0/4
RP 172.16.102.1 (?), v2
Info source: 172.16.101.1 (?), via bootstrap
Uptime: 00:54:30, expires: 00:02:51
RP 172.16.101.1 (?), v2
Info source: 172.16.101.1 (?), via bootstrap
Uptime: 00:56:31, expires: 00:02:00
r3#sho ip pim rp
Group: 231.1.1.1, RP: 172.16.102.1, v2, uptime 00:28:12, expires
00:03:36



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