Hope I have understood your question correctly :-)
Multicast is on by default on Windows while we need to do it explicitly on 
Linux. With newer versions of Linux (Mine is RedHat) the multicast is enabled 
by default with increased need of P2P systems trying to publish and discover 
each others' presence.

Hope this helps.
Rajesh

On Wednesday 12 June 2002 20:36, you wrote:
> Isn't this present by default in the routing table on w2k? I remember
> having to configure this manually on linux 2.0 in order to get dhcp-server
> to work, but that is long ago ...
>
> Here is my routing-table (that I have not altered, use `route print` to see
> yours):
>
> <snip>
>
> ===========================================================================
> Interface List
> 0x1 ........................... MS TCP Loopback interface
> 0x2 ...00 50 04 29 8d 9c ...... FE575 Ethernet Adapter
> ===========================================================================
> ===========================================================================
> Active Routes:
> Network Destination        Netmask          Gateway       Interface  Metric
>           0.0.0.0          0.0.0.0       172.16.2.1     172.16.3.30       1
>         127.0.0.0        255.0.0.0        127.0.0.1       127.0.0.1       1
>        172.16.2.0    255.255.254.0      172.16.3.30     172.16.3.30       1
>       172.16.3.30  255.255.255.255        127.0.0.1       127.0.0.1       1
>    172.16.255.255  255.255.255.255      172.16.3.30     172.16.3.30       1
>         224.0.0.0        224.0.0.0      172.16.3.30     172.16.3.30       1
>   255.255.255.255  255.255.255.255      172.16.3.30     172.16.3.30       1
> Default Gateway:        172.16.2.1
> ===========================================================================
> Persistent Routes:
>   None
>
> </snip>
>
> I think the entry
>
>        172.16.2.0    255.255.254.0      172.16.3.30     172.16.3.30       1
>
> would be the result after applying a w2k-version of the example route add
> -net linux-command in your post. My IP is 172.16.3.30 and netmask
> 255.255.254.0, so I could add this route with the command
>
> route add 172.16.2.0 MASK 255.255.254.0 172.16.3.30 metric 1 if 0x2
>
> but it's already there, so ...
>
> The "173.16.3.30"-part is actually the gateway address for my network. My
> PC is it's own gateway to the network it's on. The linux-variant of the
> route command uses the -net option and a local device (like eth0)
> as gateway-specification for the route. As the gateway-ip is specified,
> it seems w2k is smart enough that you can skip the device "if 0x2"-part.
>
> Hence
>
>       `route add 224.0.0.0 MASK 240.0.0.0 224.50.50.50 metric 1`
>
> should do the trick, if your IP is 224.50.50.50.
>
> Still no clustering, though ...

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