Date: Thu, 11 Jun 1998 03:09:22 +0000 From: "Frank Pawlak" <fpawlak@execpc.com> To: "Victor M. Carranza G." <victor@mp.lex.gob.gt>, FreeBSD Questions mailing list <questions@freefall.freebsd.org> Cc: isp@FreeBSD.ORG Subject: Re: IP Aliases / DNS round-robbin ... how? Message-ID: <980611030922.ZM7070@darkstar.connect.com> In-Reply-To: "Victor M. Carranza G." <victor@mp.lex.gob.gt> "IP Aliases / DNS round-robbin ... how?" (Jun 10, 5:30pm) References: <Pine.BSF.3.96.980610171044.4444C-100000@mp-dbs.mp.intralex>
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Check this URL http://www.webtechniques.com/features/1998/05/engelschall/engelschall.shtml Hope this helps. Frank On Jun 10, 5:30pm, Victor M. Carranza G. wrote: > Subject: IP Aliases / DNS round-robbin ... how? > I am trying to set up several IP addresses (same subnet) in one of my > ethernet interfaces. I have a Squid http proxy and socks5 proxy in this > machine, which work very well... but some problems arise when a site does > not allow more than one concurrent connection from the same IP address... > so, I was thinking about assigning several addresses to the outside > interface and use DNS to sequentially assign them to outgoing connections. > > My problem is: When I try to assign more than three IP addresses (netmask > 0xfffffff8) to the same interface, the fourth attempt (and the subsequent > ones) produces a "ifconfig: ioctl (SIOCAIFADDR): File exists" error. The > address appears assigned, but it does not respond to ping. Reading the > handbook, I found that the "correct" method is to assign the IP aliases > using a 0xffffffff netmask. Doing so effectively permits adding several > aliases, but then, DNS ignores all of them and returns only the original > (non-alias) address :( > > What am I doing wrong? Is there another procedure to accomplish the same > task (besides using several ethernet cards)? > > Thanks in advance for your help. > > Best regards, > > Victor M. Carranza G. > > P.S. The ethernet card is an ISA one. My FreeBSD version is > 3.0-971006-SNAP. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message >-- End of excerpt from Victor M. Carranza G. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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