RE: unicast-2-multicast

From: Adam Crisp (adam.crisp@totalise.co.uk)
Date: Mon Dec 16 2002 - 15:15:41 GMT-3


what about this,
I don't know if this will work, but what about using policy routing and
setting the next hop to your host?
you could match on your criteria and set the next hop.
I'm not sure about the "set ip next-hop" command working with policy routing

Adam

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Kumar, Senthil
Sent: 16 December 2002 16:21
To: Abdallah Al-Suwailem; Kumar, Senthil
Cc: ccielab@groupstudy.com
Subject: RE: unicast-2-multicast

many thanks for your reply. but i was wondering i could could map even all
unicasts to a host on a particular protocol and port number to convert it
into a multicast to feed the multicast domain.. i've tried using helper-map,
configs look okay but couldnt figure out a method to do testing with it. did
permit udp any any broadcast-2-multicast-2broadcast. did forward protocol
udp
and enabled directed-broadcast..did a ping on the local segment x.x.x.255
and 255.255.255.255 ..got reply from the local broadcast domain but the
remote never replied..

-----Original Message-----
From: Abdallah Al-Suwailem [mailto:aalsuwailem@myrealbox.com]
Sent: 16 December 2002 16:08
To: Kumar, Senthil
Cc: ccielab@groupstudy.com
Subject: Re: unicast-2-multicast

Hello

check this command "r2(config-if)#ip multicast helper-map"

r2(config-if)#ip multicast ?
  boundary Boundary for administratively scoped multicast addresses
  helper-map Broadcast to Multicast map OR Multicast to Broadcast map
  rate-limit Rate limit multicast data packets
  tagswitch Enable IP Multicast Tagswitching
  ttl-threshold TTL threshold for multicast packets

Thanks

Abdallah

Kumar, Senthil wrote:

>can nat convert all traffic on a local network, @ port xx.udp to
mulitcast,
>haven't got a traffic generator to test.
>the idea is for the host on my brodcast lan to send data to multicast
>machines hops away. my firsthop doesnt do mulitcast routing..
>
>any ideas, help very appreciated.
>
>Thanks, Senthil
>
>
>
>
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