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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.wildstar.net!cancer.vividnet.com!hunter.premier.net!news.mathworks.com!howland.erols.net!feed1.news.erols.com!news From: Ken Bigelow <kbigelow@www.play-hookey.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Alias on ethernet interface Date: Thu, 12 Dec 1996 20:20:52 +0000 Organization: Erol's Internet Services Lines: 33 Message-ID: <32B06924.487E@www.play-hookey.com> References: <58olkl$j4p@samba.rahul.net> Reply-To: kbigelow@www.play-hookey.com NNTP-Posting-Host: kenjb05.play-hookey.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0 (Win16; U) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:32491 Rainer Busch wrote: > > This is one for the networking experts: > > we are changing our provider. Now I want to be able to receive e-mail etc. > for some time at the new as well as the old internet address. Both lines > and routers are active. > Now I changed the address of ed0 to the new address, and aliased the old: > > ifconfig ed0 addr.in.new.addrspace netmask 0xfffffff0 > ifconfig ed0 addr.in.old.addrspace netmask 0xfffffff0 > > Both addresses can be pinged from in- and outside now. > > This works fine so far for some time. But then - I guess some dynamic > routing kicks in - ed0 kinda "forgets" its primary, and flips over to > the other (aliased) one. This conflicts with the default route, of course, > and - bang - the machine is off-net. > > Any suggestions to resolve this cleanly ? Hmmm. Does your old ISP have a secondary mailbox for your old account? If so, maybe you can forget the aliasing and just use popclient or a similar utility to periodically get mail from them. That's what I'm doing from two different ISPs I had before I set up a full-time connection and server. -- Ken Are you interested in | byte-sized education | http://www.play-hookey.com over the Internet? |