From: Rich Collins (nilsi2002@gmail.com)
Date: Tue Sep 25 2007 - 22:39:42 ART
Sometimes it takes a few minutes for the auto rp mapping. Try a clear rp
mapping and observe again. What does show ip igmp groups and ip mroute on
R1 show?
On 9/25/07, Carlos glez <cciecarlogon@gmail.com> wrote:
>
> Hi all
>
>
>
> I am seeing a weird behavior running pim in lab 8 IE workbook ver 4, I
> wonder if some of you guys might saw it too, basically the task asks for 2
> rps and one MA , R1 should be RP for the even multicast addresses and R2
> should be the RP for the odd ones, so the MA will be the one having
> deciding
> who is RP for each group , my config is the same as the solution workbook,
> the weird thing that im seeing is that R1 is sending the RP information
> however when R3 replies with RP info to all its pim neigh the update does
> not get to R1
>
>
>
> Check the debug on R3
>
> *Apr 21 01:09:44.615: Auto-RP(0): Send RP-discovery packet on Serial1/2 (2
> RP entries)-----**`s1/2 is R1 connection*
>
> *Apr 21 01:09:44.615: Auto-RP(0): Send RP-discovery packet on
> Virtual-Access1 (2 RP entries)
>
> *Apr 21 01:09:44.619: Auto-RP(0): Send RP-discovery packet on
> Virtual-Access2 (2 RP entries)
>
> *Apr 21 01:09:44.619: Auto-RP(0): Send RP-discovery packet on
> Virtual-Access4 (2 RP entries)
>
> *Apr 21 01:09:44.619: Auto-RP(0): Send RP-discovery packet on Ethernet0/0
> (2
> RP entries)
>
> *Apr 21 01:09:44.619: Auto-RP(0): Send RP-discovery packet on Ethernet0/1
> (2
> RP entries)
>
>
>
> I have the debug running in R1 too ( deb ip pim auto) im not seeing the
> reply however on R2 I do see it ( virtual access )
>
>
>
> If I go to R2 and check the rp mappings, they show correct, ( R1 being the
> rp for events and R2 being the rp for odds)
>
>
>
> Is like the link the serial interface in R1 connecting to R3 were not
> listening for the MP replies, if you wonder if there is a pim neigh form
> ,
> yeap its form .
>
>
>
> Any ideas will be great, I tried to move to sw2 being the RP for the even
> it works but again R1 does not see the replies from R3
>
>
>
> The link between R2 and R3 is basic point to pointo hdlc encap link , no
> acls , nada!
>
>
>
>
>
> R1
>
> interface Serial0/1
>
> ip address 174.6.13.1 255.255.255.0
>
> ip pim sparse-mode
>
> clock rate 64000
>
>
>
>
>
>
>
> R3
>
> interface Serial1/2
>
> ip address 174.6.13.3 255.255.255.0
>
> ip pim sparse-mode
>
> end
>
>
>
>
>
> if you wonder if ip pim autorp listener is on, yep its on.
>
>
>
> thanks for any ideas
>
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