From: Lee Donald (Lee.Donald@t-systems.co.uk)
Date: Fri Dec 02 2005 - 08:10:51 GMT-3
Steve,
Multicast or broadcasts could not be sent to just one unicast address no.
At the destination this multicast would be turned into a broadcast and
flooded out onto the local subnet, this would go to all hosts.
HTH
Lee.
-----Original Message-----
From: steven richards [mailto:ccie_2005@hotmail.com]
Sent: Friday, December 02, 2005 10:57 AM
To: ccielab@groupstudy.com
Subject: Using the IP Multicast Helper Map command
I am trying to understand how this command is used to convert from
broadcast to multicast and then back to broadcast to a single host address.
From this example from what I can see if I wanted to convert the multicast
to broadcast on the destination subnet I can use ip broadcast-address
172.16.0.255 and ip multicast helper-map 224.5.5.5 172.16.0.255 ? At least I
think ;) Would I just be able to send this to a single host on the
destination side ? Like if I just wanted to send this to 172.16.0.11 would I
use ip broadcast-address 172.16.0.11 and ip multicast helper-map 224.5.5.5
172.16.0.11 ?
Thanks,
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr
mc_r/mult/1rfmult2.htm#wp1089138
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