Date: Fri, 31 Aug 2001 21:49:30 -0400 (EDT) From: Matthew Emmerton <matt@gsicomp.on.ca> To: Bryce Newall <data@dreamhaven.org> Cc: FreeBSD Questions List <freebsd-questions@FreeBSD.ORG> Subject: Re: Multiple aliases, can't ping each other Message-ID: <Pine.BSF.4.21.0108312148000.2321-100000@xena.gsicomp.on.ca> In-Reply-To: <20010831180558.D525-100000@dreamhaven.org>
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On Fri, 31 Aug 2001, Bryce Newall wrote: > Greetings all, > > I'm writing on behalf of a friend of mine who has a FreeBSD box with 1 > ethernet interface, with 4 IP addresses attached to it. In the list > below, the first IP address is the machine's "primary" IP, and the other 3 > are aliases: > > xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > inet xx.yy.17.211 netmask 0xfffffff8 broadcast xx.yy.17.215 > inet xx.yy.17.210 netmask 0xfffffff8 broadcast xx.yy.17.215 > inet xx.yy.17.212 netmask 0xfffffff8 broadcast xx.yy.17.215 > inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255 > > (I have blotted out the first 2 octets of the internet visible IP > addresses for security reasons.) > > The problem is that I cannot ping the .210 or .212 addresses from the > local host, although I *can* ping 10.0.0.1. Aliases on the same subnet as the "primary" IP for an interface *must* have the all-one's netmaks (255.255.255.255), as outlined in ifconfig(8). -- Matt Emmerton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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