Date: Mon, 12 Nov 2001 09:29:47 -0600 From: Albert Everett <freebsd@webintl.com> To: freebsd-questions@freebsd.org Subject: RE: Max number of NIC's and aliases Message-ID: <a05100301b8159745ec4c@[192.168.123.20]> In-Reply-To: <002f01c16b82$01f46940$1401a8c0@tedm.placo.com> References: <002f01c16b82$01f46940$1401a8c0@tedm.placo.com>
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Time for me to chime in on this IP aliasing question. Although I've been running a few FreeBSD systems for some time, they've all only required one or two aliases. Now I've made my main web server a FreeBSD box and we're beginning to add SSL sites at a great rate. My first inclination is to add an IP alias per SSL site, and I've been wondering myself how many aliases I can add with ifconfig before things start to break. Where should we be reading to use routing instead of aliases in this context? I'm not connecting what the handbook has to say to my situation. Albert >Because it's totally, completely stupid to put 64 aliases on a FreeBSD >interface with you can simply route a /26 to it. > >Ted Mittelstaedt tedm@toybox.placo.com >Author of: The FreeBSD Corporate Networker's Guide >Book website: http://www.freebsd-corp-net-guide.com > > >>-----Original Message----- >>From: owner-freebsd-questions@FreeBSD.ORG >>[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Noor Dawod >>Sent: Monday, November 12, 2001 3:05 AM >>To: Guido Fortunati >>Cc: freebsd-questions@FreeBSD.ORG >>Subject: RE: Max number of NIC's and aliases >> >> >>Hmm, quite interesting.. if there's a known bug in BIND as you say, why >>no one fixes it? >> >>Noor >> >> >>-----Original Message----- >>From: Guido Fortunati [mailto:zuez@smartdigitalinc.com] >>Sent: Monday, November 12, 2001 12:57 PM >>To: 'Noor Dawod' >>Subject: RE: Max number of NIC's and aliases >> >> >>I don't think there's a limit for aliases. >>But afaik, there's a bug when using BIND that prevents named from >>starting >>properly when there are more than 64 aliases on an interface. >>Besides that, i don't think you'll have any problem using as many >>aliases as you want. >> >>-guido >> >> >>-----Original Message----- >>From: owner-freebsd-questions@FreeBSD.ORG >>[mailto:owner-freebsd-questions@FreeBSD.ORG] On Behalf Of Noor Dawod >>Sent: Lunes, 12 de Noviembre de 2001 07:45 a.m. >>To: Ted Mittelstaedt; freebsd-questions@FreeBSD.ORG >>Subject: RE: Max number of NIC's and aliases >> >> >>And what about the aliases? How many aliases can FreeBSD or a NIC >>handle? >> >>Noor >> >> >>-----Original Message----- >>From: Ted Mittelstaedt [mailto:tedm@toybox.placo.com] >>Sent: Monday, November 12, 2001 12:25 PM >>To: Noor Dawod; freebsd-questions@FreeBSD.ORG >>Subject: RE: Max number of NIC's and aliases >> >> >>No to both - but consider the speed of the average PCI bus. Your not >>going to be able to keep a bunch of NICS in saturation on a PC, >>espically 100Mbt full duplex ones. >> >>Ted Mittelstaedt >>tedm@toybox.placo.com >>Author of: The FreeBSD Corporate Networker's >>Guide >>Book website: >>http://www.freebsd-corp-net-guide.com >> >> >>>-----Original Message----- >>>From: owner-freebsd-questions@FreeBSD.ORG >>>[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Noor Dawod >>>Sent: Sunday, November 11, 2001 4:40 AM >>>To: freebsd-questions@FreeBSD.ORG >>>Subject: Max number of NIC's and aliases >>> >>> >>>Hi, >>> >>>I have two questions to the list: >>> >>>1) is there a known number of NIC's that FreeBSD cannot handle anymore? >>>2) is there a known number of aliases on one NIC that FreeBSD cannot >>>handle anymore? >>> >>>Thanks in advance. >>> >>>Noor >>> >>> >>>To Unsubscribe: send mail to majordomo@FreeBSD.org >>>with "unsubscribe freebsd-questions" in the body of the message >>> >> >> >>To Unsubscribe: send mail to majordomo@FreeBSD.org >>with "unsubscribe freebsd-questions" in the body of the message >> >> >> >>To Unsubscribe: send mail to majordomo@FreeBSD.org >>with "unsubscribe freebsd-questions" in the body of the message >> > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message -- ----------------------------------------------------------------------- Albert Everett - Web International, Inc. <freebsd@webintl.com> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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