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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!zombie.ncsc.mil!news.duke.edu!gallatin From: gallatin@davinci.isds.duke.edu (Andrew Gallatin) Newsgroups: comp.unix.bsd.bsdi.misc Subject: configuring BSD/OS to use PC as a router Date: 12 Oct 1995 15:00:28 GMT Organization: Institute of Statistics and Decision Sciences, Duke U. Lines: 40 Message-ID: <45jaic$7hm@news.duke.edu> NNTP-Posting-Host: davinci.isds.duke.edu Our departmental network (consisiting of about 12 Alphas, 20 DECstations, and a handful of PCs running BSD/OS) is separated from the networks of about 20 other departments here at Duke using an 8 year old bridge. The bridge is having trouble keeping up w/all of the traffic on both sides, and is my main suspect for our bad network performance (main symptom is a very high collision rate). Removing the bridge from the loop only makes things worse. We don't have the budget to install a 'real' router, and I was hoping we could get adequate performance from a PC w/2 ethernet cards running BSD/OS. I was hoping to get advice on 3 issues: - Which PC? We've got two older 486s (dx33 and sx25, both w/8MB & tiny IDE HD) that I could use. Would the dx33 be signifigantly better than the sx25? Would it be worth it to spend a few hundred dollars to upgrade the motherboard of one to a dx100? - What kind of Ethernet cards? Both these machines have cheap 8-bit ne2000 clones in them now. Would 3c509 cards provide adequte performance for what I want to do? - How to configure? I'd like to pass all IP packets going to/from any machine on our network (152.3.22.x) and reject all broadcast packets, all Novell, all EtherTalk, and all other PC based-traffic. Is there a cookbook someplace that will tell me how to configure routed? Thanks in advance for any advice you can give me! ############################################################################## # Andrew Gallatin, Computer Project Manager # # Institute of Statistics and Decision Sciences # # Box 90251, Duke University, Durham, NC 27708-0251 # ##############################################################################