Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!ucsd!pacbell.com!decwrl!ucbvax!VAX.FTP.COM!jbvb From: jbvb@VAX.FTP.COM (James B. Van Bokkelen) Newsgroups: comp.protocols.tcp-ip Subject: Re: Why does a wrong broadcast address cause arp-havoc? Message-ID: <9007181417.AA15124@vax.ftp.com> Date: 18 Jul 90 14:17:38 GMT Sender: daemon@ucbvax.BERKELEY.EDU Reply-To: jbvb@vax.ftp.com Organization: The Internet Lines: 8 RFC 1122 says that 1) machines with only one IP address shall not act as routers by default, 2) nobody shall forward or issue ICMP error messages in response to packets that arrive via an IP or MAC level broadcast, and 3) that everyone must be cognizant of the old 4bsd IP broadcast address as well as the correct (RFC 950) one. James B. VanBokkelen 26 Princess St., Wakefield, MA 01880 FTP Software Inc. voice: (617) 246-0900 fax: (617) 246-0901