North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: RFC for Mask/Gateway
On Fri, Aug 05, 2005 at 03:09:53PM -0400, [email protected] wrote: > On Fri, 05 Aug 2005 13:55:58 CDT, Scott Altman said: > > Is there an RFC or other standard that specifies that IPv4 connected > > devices must support the concepts of Subnet Mask and Default Gateway? > > No, because there's plenty of applications (embedded systems, for example), > where you have no need or desire to be able to talk to things off-local-net. Which doesn't really excuse you from subnet mask, I wouldn't think. You clearly don't need a default gateway if you're not going to reply to off-net packets, but how would you idenfity broadcast packets if you didn't know the netmask? > > I have a kludgy (<- technical term) vendor that has developed a custom > > AP that only has an IP address. > > Be afraid. Be very afraid. Any vendor in *this* year who makes gear that > is supposed to connect edge devices to the rest of the net but doesn't > get the ideas of subnet masks and default gateways should be feared. Indeed, run far, far away. And yes, Scott: RFC 791. It's not just a good idea... Cheers, -- jra -- Jay R. Ashworth [email protected] Designer Baylink RFC 2100 Ashworth & Associates The Things I Think '87 e24 St Petersburg FL USA http://baylink.pitas.com +1 727 647 1274 "NPR has a lot in common with Nascar... we both turn to the left." - Peter Sagal, on Wait Wait, Don't Tell Me!
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