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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mira.net.au!inquo!news.seinf.abb.se!news.mdh.se!columba.udac.uu.se!newsfeed.sunet.se!news00.sunet.se!sunic!news.sprintlink.net!newsfeed.internetmci.com!news.igcom.net!terra.igcom.net!david From: david@terra.igcom.net (David B. Bauman) Newsgroups: comp.unix.bsd.bsdi.misc Subject: Re: Multiple IP networks on one interface (during switchover)? Date: 19 Apr 1996 15:21:37 GMT Organization: InterGlobal Communications Lines: 37 Message-ID: <4l8b21$25g@moon.igcom.net> References: <4l6dea$mn9@Mars.mcs.com> NNTP-Posting-Host: terra.igcom.net X-Newsreader: TIN [version 1.2 PL2] Leslie Mikesell (les@MCS.COM) wrote: : I am in the process of switching internet feeds and thus need to : change my IP numbers, including that of my nameservers. During : the switch I will have two routers connecting to the old and : new addresses. Would it be feasible to connect the routers to : the same ethernet and alias the nameservers' interfaces so they : will respond to the new network address as well as the old one? : Then after the rest of the world starts connecting to the new : nameserver address I can switch everything else over. Or do : I need a couple of other machines to make this work? I think you pretty much have this down. You dont HAVE to have 2 routers to do this, assuming you have an extra WAN port on your router to connect your new feed from your DSU. To do this with one router, just add the new IPS to your WAN and ethernet interfaces. You will need to alias the new network address to your name server. : If it will work, is there documentation for configuring multiple : class C network addresses onto the same interface? Check out your router manual, and your BSDI BSD/OS manual (assuming you are using BSD since you are posting in this group.) Or maybe as your system admin Karl to help you with this(unless you are leaving his service). David Bauman -- InterGlobal Communications =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= David Bauman <david@igcom.net> == <Shell, SLIP, PPP, UUCP, Leased Lines> voice: 708.298.9933 == <WWW design, programming, implementation> fax: 708.298.1473 == <3 Dial-up locations around Chicagoland> modem: 708.298.1120 == <Competitive pricing, great customer service> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 230 N. Michicagan Avenue Suite 2107 Chicago, Illinois 60601