RE: [openMosix-general] Newbie subnet question

[inf636@Fh-Worms.de]

On Fri, 2003-08-29 at 09:39, Warnich Rust wrote:
> Hi
>
> Yes, I've read somewhere that multicast is used and not broadcast.  Does
> multicast then run over routers?
>
> Regards
>
> wr
>
> > 5428 unreachable [tos 0xc0] 15:32:49.231808 genome1.32783 >
> > 239.192.0.1.1334:  udp 29 (DF) [ttl 1]

Well, if i remember corretly, then it should run over, but the TTL of 1
makes it disappear at any ethernet device. also including routers.
switches are (usually) no problem as long as they don't decrement the
TTL, but a router has to decrement it, and won't hand over a TTL 0
paket.

Maybe the Complex Network topology flag is also a greater TTL ? that
would make it also run over one router (if TTL is set to 2).

Im just guessing, and my network engineering skills are not too great
(guess thats why i flunked the exam *g*)

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