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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nntp.coast.net!fu-berlin.de!zib-berlin.de!news.tu-chemnitz.de!irz401!uriah.heep!news From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Can't traceroute to virtual hosts Date: 18 May 1996 22:42:40 GMT Organization: Private BSD site, Dresden Lines: 22 Message-ID: <4nljp0$1l5@uriah.heep.sax.de> References: <4mhaeg$f8@venus.os.com> <4mjnl4$hgn@paperboy.livenet.net> <4mkakq$51s@uriah.heep.sax.de> <4nd1nv$1cn@anorak.coverform.lan> <4nhq8j$f5p@itchy.serv.net> Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) NNTP-Posting-Host: localhost.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: knews 0.9.6 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E zeno@serv.net (Sean T. Lamont) wrote: > >The mask should be 0xffffffff - meaning that anything on this network can > >be reached down this interface.... ie. only that machine. > > From a TCP/IP standpoint, this makes little sense. All bits are significant > for the network, none for the host? What about IP broadcast for that > subnetwork? It is already caught by the `primary' address of this interface. Only the `secondary' address(es) should get 0xffffffff. (I.e., unlike filename hard links, the different aliases are not uniform each other.) From a TCP/IP standpoint, alias addresses are a DON'T DO anyway. :) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)