From: Keith T. Hall (kthall@xxxxxxxxxxxxxx)
Date: Mon Nov 13 2000 - 19:30:37 GMT-3
I ran a cleaned-up version of your config and was able to receive ping
responses without any further 'tweaks'. I'm pretty sure the issue is
limited to an ip routing problem with only one multicast issue. One of the
routers (r2) in the original config ran ip pim sparse-dense-mode with ip pim
nbma-mode. 'nbma-mode' is only for pure sparse-mode. Plus, really
shouldn't run dense mode at all over NBMA. I'd suggest stripping down your
configs until it works.
*** (FR HUB) IOS 12.0 ROUTER ***
hostname r2
ip multicast-routing
interface Loopback0
ip address 172.16.2.2 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
ip igmp join-group 225.2.2.2
interface Serial1
ip address 172.16.1.2 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
ip pim send-rp-discovery scope 5
*** IOS 12.0 ROUTER ***
hostname r3
ip multicast-routing
interface Loopback0
ip address 172.16.3.3 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
ip igmp join-group 225.3.3.3
interface Serial0
ip address 172.16.1.3 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
*** IOS 11.2 ROUTER ***
hostname r4
ip multicast-routing
interface Loopback0
ip address 172.16.4.4 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
ip igmp join-group 225.4.4.4
interface Serial1
ip address 172.16.1.4 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
ip pim send-rp-announce Loopback0 scope 5
Keith T. Hall
Sr. Network Engineer, Service Provider Accounts
Greenwich Technology Partners
3810 Concorde Parkway, Suite 500
Chantilly, VA 20151
(703) 966-1854 Cell
(703) 222-6465 Office
(703) 222-6424 Fax
khall@greenwichtech.com
http://www.greenwichtech.com
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