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Xref: sserve comp.protocols.tcp-ip:27855 comp.unix.bsd:13514 comp.unix.ultrix:21679 Newsgroups: comp.protocols.tcp-ip,comp.unix.bsd,comp.unix.ultrix Path: sserve!newshost.anu.edu.au!munnari.oz.au!foxhound.dsto.gov.au!fang.dsto.gov.au!yoyo.aarnet.edu.au!news.adelaide.edu.au!news.cs.su.oz.au!metro!dmssyd.syd.dms.CSIRO.AU!marka From: marka@syd.dms.CSIRO.AU (Mark Andrews) Subject: Re: How do multi-homed hosts choose the interface? Message-ID: <CM44Ex.2Hy@syd.dms.CSIRO.AU> Sender: news@syd.dms.CSIRO.AU Nntp-Posting-Host: drugs.syd.dms.csiro.au Organization: CSIRO Division of Mathematics and Statistics, Australia References: <2khb6f$9fl@breeze.dra.hmg.gb> <CM2H75.7ww@wang.com> Date: Thu, 3 Mar 1994 23:40:08 GMT Lines: 32 In article <CM2H75.7ww@wang.com> fitz@wang.com (Tom Fitzgerald) writes: >heading@signal.dra.hmg.gb (Anthony Heading) writes: > >> I want the two routing machines to use the FDDI network to >> talk to each other, but they steadfastly refuse to use anything >> but the ethernet. > >> This makes me suspect that multiple A records >> are used by trying each address in the gethostbyjingo() structure >> in turn, but there seems to be no way of making the DNS server >> impose order onto those addresses. > >Isn't this what the "sortlist" directive in named.boot is supposed to do? >Try sticking it on your nameserver. > >The disadvantage to sortlist is that if your ethernet has routers to nets >other than the fddi net, then traffic to one of the multihomed systems may >go outside->router->ether->one-fddi-host->fddi->other-fddi-host, even >though the other-fddi-host has a leg on the ethernet. This depends on >which multihomed host is preferred as a route to the fddi. > >-- >Tom Fitzgerald Wang Labs Lowell MA, USA 1-508-967-5278 fitz@wang.com >Pardon me, I'm lost, can you direct me to the information superhighway? Get the bind 4.9.2 resolver code when it is released. The sorting is now done in gethostbyname and overrides any sorting done in the nameserver. 4.9.2 is due to be released RSN. Mark.