At 11:30 AM +1300 7/3/01, Pete wrote:
> > "Knows nothing and caring nothing about the IP layer or addresses" is
>> inaccurate. The boxes are not routers nor NATs, but they do know and
>> care about IP stuff. They filter out ARP responses and packets not
>> from the designated IP address, broadcasts and non-IP packets.
>
>And therefore don't provide Appletalk support between Saturn customers ?

The filters currently set allow IPv4 and ARP through. Nothing else.
No IPX/NetBEUI/AppleTalk/etc. (Note, ARP is not IP, hence it needs
its own permit).

Some of the filters happen at the modem, others at the headend.

Because the box is however still a bridge (switch is closer to what
it is), broadcast/multicast scoots around, plus the odd fragment of
other stuff when a MAC address times out.

Oh, and everyone gets a real, global, static, IP address. It's an
always on service, so NAT does not conserve address space and causes
other problems. If you need or want to run NAT yourself however,
please do.

>
>Oh well, it was worth a try :)

Tunnel it if you really must. You don't need AT for much post MacOS 8.5
though.

>
>Can anyone confirm if Saturn 'charge[1]' for IP traffic between Saturn
>subscribers (ie national only or saturn only traffic)

Theoretically that traffic is charged for, at the local rate.

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Received on Wed Mar 7 12:32:13 2001