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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mira.net.au!inquo!in-news.erinet.com!bug.rahul.net!rahul.net!a2i!genmagic!sgigate.sgi.com!news.msfc.nasa.gov!newsfeed.internetmci.com!in2.uu.net!csnews!coopnews.coop.net!hops.entertain.com!usenet From: dwatson@abwam.com (Darryl Watson) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Multiple IP address : what's the limit ? Date: 25 Apr 1996 14:28:13 GMT Organization: ABWAM, Inc. Lines: 23 Message-ID: <4lo25t$rt4@hops.entertain.com> References: <317E4080.41C6@marben.be> <4lmub0$f8q@tribune.concentric.net> NNTP-Posting-Host: 199.45.153.241 X-Newsreader: WinVN 0.92.5 In article <4lmub0$f8q@tribune.concentric.net>, Yadra@cris.com (Howard Lamarr) says: > >I'm currently running 57 aliases on one ethernet card under FreeBSD 2.1R >with the Apache Web server. I too, would like to know the upper limit of >aliases. I would also like to know how to use a different Class C on the >card from the primary one as we are running out of ips on the first Class >C. The ifconfig alias command doesn't appear to work with more than one >class C. > >H.Lamarr > The issue is more a question of when your web server uses up the available file descriptors on your system. I have heard that when you get up to around 125 virtual hosts, the system starts to flake. Here is how I add IP addresses, whether they are in the same class C or not: ifconfig <interface> www.whatever.com alias route add -host www.whatever.com 127.1