From: Goh, Winston (winston.goh@xxxxxxxxxxxxx)
Date: Tue May 23 2000 - 04:33:38 GMT-3
Hi,
Since multicast uses RPF, then for MC to receive MS packet, it actually
route like a unicast packet. From your network, if that is the connection, i
would think that enabling multicast routing on the interfaces is needed. Do
a ping test to the multicast address. i think ISPs are running dvmrp. cheers
Winston Goh
CCNP, CVE
Snr Network Specialist
Unisys Singapore
mobile : 97469192
-----Original Message-----
From: Earl Aboytes [mailto:earl@linkline.com]
Sent: Tuesday, May 23, 2000 1:52 PM
To: ccielab@groupstudy.com
Subject: multicast routing
I am starting to look at multicast routing a little closer now. I have a
question about its functionality. If I have the following configuration
MS---(e0)R1(s0)-------(s0)R2(e0)----(e0)R3(s0)-------(s0)R4(e0)----(e0)R3(s0
)-------(s0)R5(e0)----(e0)R6(s0)-------(s0)R7(e0)------MC
Where MS is a multicast server and MC is a multicast client, do I need to
enable multicast routing on all routers and pim on all router interfaces?
I know that I receive multicast traffic on my internet connection but my isp
is not routing multicast traffic explicitly. That is, to say, it is not
running pim. What about 224.0.0.5 (ALLSPFROUTERS)? You don't have to
enable multicast routing to get that across your network. Where do you have
to enable it and where don't you have to enable it?
I am so confused!!! Any help is greatly appreciated!
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Earl Aboytes
Senior Technical Conultant
GTE Managed Solutions
805-381-8817
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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