[ntp:questions] Re: multicast/broadcast to multi subnet

Danny Mayer mayer at ntp.isc.org
Tue Feb 28 17:38:50 UTC 2006


Heiko Gerstung wrote:
> Hi,
> 
> IIRC this needs to be configured at your router(s) connecting all those
> subnets. And, as a routing issue, this is off topic here (sorry).
> 

Not really. You should not need to mess with the routers unless they
have multicasting turned off for some reason. You just use the TTL
option to specify the maximum number of hops allowed.

Danny

> Kind regards,
> Heiko
> 
> 
> dengfeng at gmail.com schrieb:
>> We have about 20 subnet and want to use one server as a
>> multicast/broadcast server for all the subnet, if it's within
>> subnet(224.0.1.1), it works fine. If I set the server to broadcast to
>> a.b.255.255, it did not go through.
>> Any suggestions?
>>
> 
> 




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