From: Michael Zuo (mzuo@ixiacom.com)
Date: Fri Dec 01 2006 - 16:52:58 ART
Hi group,
I ran into a problem configuring pim dense mode in the frame-relay hub
and spoke environment. I configured "ip pim dense" on hub and spoke and
"ip igmp join 239.1.1.1" on one spoke. But when i do ping test, it
fails. Since "ip pim nbma-mode" is not meant for dense mode, is there
something I missed? Thanks
R1 (the HUB)
ip multicast-routing
interface Serial1/0
ip address 150.1.134.1 255.255.255.0
ip pim dense-mode
encapsulation frame-relay
no ip split-horizon eigrp 100
serial restart-delay 0
no dce-terminal-timing-enable
frame-relay map ip 150.1.134.3 103 broadcast
frame-relay map ip 150.1.134.4 104 broadcast
no frame-relay inverse-arp
end
R3 (Spoke)
ip multicast-routing
interface Serial1/0
ip address 150.1.134.3 255.255.255.0
ip pim dense-mode
encapsulation frame-relay
ip igmp join-group 239.1.1.1
serial restart-delay 0
no dce-terminal-timing-enable
frame-relay map ip 150.1.134.1 301 broadcast
frame-relay map ip 150.1.134.4 301 broadcast
no frame-relay inverse-arp
end
R4 (Spoke)
ip multicast-routing
interface Serial1/0
ip address 150.1.134.4 255.255.255.0
ip pim dense-mode
encapsulation frame-relay
serial restart-delay 0
no dce-terminal-timing-enable
frame-relay map ip 150.1.134.1 401 broadcast
frame-relay map ip 150.1.134.3 401 broadcast
no frame-relay inverse-arp
Rack1R4(config-if)#do ping 150.1.134.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 150.1.134.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/119/200
ms
Rack1R4(config-if)#do ping 239.1.1.1
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.1.1.1, timeout is 2 seconds:
.
Rack1R4(config-if)#
Rack1R1(config-if)#
*Mar 1 01:14:33.851: IP(0): s=150.1.134.4 (Serial1/0) d=239.1.1.1
id=48, ttl=25
4, prot=1, len=104(100), mroute olist null
*Mar 1 01:14:33.859: IP(0): s=150.1.134.4 (Serial1/0) d=239.1.1.1
id=48, ttl=25
4, prot=1, len=104(100), mroute olist null
Rack1R1(config-if)#
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