From: Brian Hescock (bhescock@xxxxxxxxx)
Date: Fri Jun 02 2000 - 09:24:36 GMT-3
abcd,
I don't see the rp configured anywhere. Also, a really great command
for troubleshooting multicast problems is "show tech ipmulticast", which
is a collection of all the pertinent multicast show commands.
Brian
On Fri, 2 Jun 2000, abcd abcd wrote:
> Hi, everyone, here is the problem.
> I have 3 routers in hub-and-spoke fr.
> r1,r3 is spoke, and r2 is hub, like that:
>
> -(e0)r1------vc------r2-----vc-----r3(e0)
> spoke hub spoke
>
> when i set r1 e0 join in multi-group 234.5.6.7, and r1
> should be rp in sparse-mode.
> the client is r3 e0 can't join the multi-group, and r3
> also can't ping the address 234.5.6.7.
>
> here is config:
> r1
> =============
> inter e0
> ip add 1.1.1.1 255.255.255.0
> ip igmp join 234.5.6.7
> ip pim sparse-mode
>
> inter s0
> en frame
> ip add 1.1.123.1 255.255.255.0
> frame map ip 1.1.123.2 102 bro
> frame map ip 1.1.123.3 102 bro
> ip pim sparse-mode
> ip ospf network broadcast
> ip ospf priority 0
>
> r2:
> ============
> inter s0
> en frame
> ip add 1.1.123.2 255.255.255.0
> frame map ip 1.1.123.1 201 bro
> frame map ip 1.1.123.3 203 bro
> ip pim sparse-mode
> ip ospf network broadcast
> ip ospf priority 255
>
> r3:
> =============
> inter e0
> ip add 1.1.3.3 255.255.255.0
> ip pim sparse-mode
>
> inter s0
> en frame
> ip add 1.1.123.3 255.255.255.0
> frame map ip 1.1.123.1 302 bro
> frame map ip 1.1.123.2 302 bro
> ip ospf network broadcast
> ip ospf priority 0
> ip pim sparse-mode
>
> Can anybody help me?
>
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