Hi Marta,
I'm not using Serial interfaces on R2 to talk to KS.
Have just rebooted it and found that it doesn't have any idea about my 
multicast address used by KS

R2#sh ip igmp groups
IGMP Connected Group Membership
Group Address    Interface                Uptime    Expires   Last Reporter   
Group Accounted
239.0.0.1        Serial0/0/0              00:15:23  stopped   192.168.23.2
224.0.1.40       Loopback0                00:15:34  00:02:14  2.2.2.2

What drives me insane is that when I add mroute on GM I got the same error 
messages on KS. Where's this 224.0.1.40 coming from ?

R2(config)#ip mroute 1.1.1.1 255.255.255.255 tunnel126

R1
*Aug  7 19:17:18.100: %PIM-6-INVALID_RP_JOIN: Received (*, 224.0.1.40) Join 
from 10.10.10.2 for invalid RP 1.1.1.1

Eugene


From: Marta Sokolowska [mailto:[email protected]]
Sent: Tuesday, August 07, 2012 11:54 AM
To: Eugene Pefti
Cc: [email protected]
Subject: Re: [OSL | CCIE_Security] GETVPN multicast rekey through GRE tunnel


2012/8/7 Eugene Pefti <[email protected]<mailto:[email protected]>>

[...]
Ok, I removed this route and the error message is gone and then silence.
I don't see any joins on the GM and no mroutes

R2(config)#do sh ip igmp group
IGMP Connected Group Membership
Group Address    Interface                Uptime    Expires   Last Reporter   
Group Accounted
239.1.1.254      Serial0/0/0              16:06:00  stopped   192.168.23.2
239.0.0.1        Serial0/0/0              13:34:58  stopped   192.168.23.6
224.0.1.40       Tunnel126                14:31:13  stopped   10.10.10.2

R2(config)#do sh ip mroute

(*, 224.0.1.40), 14:38:18/stopped, RP 1.1.1.1, flags: SJPCL
  Incoming interface: Null, RPF nbr 0.0.0.0, Mroute
  Outgoing interface list: Null

Eugene, can you post the configuration of physical interfaces also? I mean 
those Serial0/0/0 interfaces. Did you turn "ip pim sparse mode" also on 
physical interfaces? I'm asking because you only need this command on the 
tunnel and loopback interfaces.

Marta Sokolowska.

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