Date: Wed, 17 Apr 2002 01:00:13 -0700 (PDT) From: Ruslan Ermilov <ru@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/37173: ifconfig ... alias has problems setting aliases Message-ID: <200204170800.g3H80DX86586@freefall.freebsd.org>
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The following reply was made to PR kern/37173; it has been noted by GNATS. From: Ruslan Ermilov <ru@FreeBSD.org> To: Nicolas Rachinsky <list@rachinsky.de> Cc: bug-followup@FreeBSD.org Subject: Re: kern/37173: ifconfig ... alias has problems setting aliases Date: Wed, 17 Apr 2002 10:59:18 +0300 On Wed, Apr 17, 2002 at 12:10:09AM -0700, Nicolas Rachinsky wrote: > The following reply was made to PR kern/37173; it has been noted by GNATS. > > From: Nicolas Rachinsky <list@rachinsky.de> > To: Martin.Kraemer@Fujitsu-Siemens.com > Cc: FreeBSD-gnats-submit@FreeBSD.ORG > Subject: Re: kern/37173: ifconfig ... alias has problems setting aliases > Date: Wed, 17 Apr 2002 09:08:08 +0200 > > * Martin.Kraemer@Fujitsu-Siemens.com [2002-04-17 08:52:50 +0200]: > > >Description: > > Using FreeBSD-4.5-STABLE from ~2 months ago, I had no problems > > setting several IP aliases on my xl0 interface by setting the > > following in /etc/rc.conf: > > ifconfig_xl0="inet 172.25.124.236 netmask 255.255.255.0" > > ifconfig_xl0_alias0="inet 172.25.124.237 netmask 255.255.255.0" > > ifconfig_xl0_alias1="inet 172.25.124.238 netmask 255.255.255.0" > > ifconfig_xl0_alias2="inet 192.168.172.1 netmask 255.255.255.0" > > With a current kernel however, after reboot only one or two of these > > IP addresses are actually set. The other IP addresses are unset. > > From man ifconfig: > | If the address is on the same subnet as the first network address for > | this interface, a netmask of 0xffffffff has to be specified. > > Use netmask 255.255.255.255 for the aliases. > To be more precise, you should use netmask of all ones for aliases in the same subnet only. See ifconfig(8) manpage for more details. Cheers, -- Ruslan Ermilov Sysadmin and DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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