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- Path: sparky!uunet!decwrl!sdd.hp.com!think.com!barmar
- From: barmar@think.com (Barry Margolin)
- Newsgroups: comp.protocols.tcp-ip
- Subject: Re: Broadcasting and Subnets
- Date: 3 Sep 1992 22:52:53 GMT
- Organization: Thinking Machines Corporation, Cambridge MA, USA
- Lines: 15
- Distribution: world,local
- Message-ID: <186505INN7ei@early-bird.think.com>
- References: <2490@cronos.metaphor.com> <184hnoINN7tu@early-bird.think.com> <1992Sep3.090735.3657@arizona.edu>
- NNTP-Posting-Host: telecaster.think.com
-
- In article <1992Sep3.090735.3657@arizona.edu> Leonard@Arizona.EDU writes:
- >The best and easiest approach is just to use ALL 1's (255.255.255.255) as your
- >broadcast address. That way you don't have to worry about your subnet mask,
- >or for that matter even what your own IP address is. Recommended by
- >RFC-1122, sec. 3.3.6 (discussion section.)
-
- One issue that's not raised in that section is the situation when multiple
- IP subnets are on the same link. The choice between limited broadcasts and
- subnet broadcasts affects which group of machines will receive the
- broadcasts, and may affect the behavior of the protocols you use.
- --
- Barry Margolin
- System Manager, Thinking Machines Corp.
-
- barmar@think.com {uunet,harvard}!think!barmar
-