[ntp:questions] Re: Multicast TTL and FreeBSD trouble

David L. Mills mills at udel.edu
Sun Aug 21 22:22:38 UTC 2005


The campus routers are sparkling new. The problem is the campus IT staff 
haven't got around to turning it up. They still have a pending request 
to turn up IPv6. We do multicast on the department subnets, but my 
backroom Cisco ISDN routers don't understand it.


Danny Mayer wrote:

> David L. Mills wrote:
>> Danny,
>> Don't expect much. This code was born years ago before IPv6 and never 
>> tested. I've only used manycast on the local wire, as our routersa 
>> don't do multicasting.
>> Dave
> Dave, that would REALLY surprise me that your routers are THAT old. 
> Almost all routers now support IGMP V3 these days and that's what's 
> required for modern multicasting. In addition, I would expect most IPv6 
> packets not to get routed if the routers were really that old since the 
> routers wouldn't know what to do with the packets.
> Danny
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