Date: Tue, 22 Aug 2006 10:48:09 +1000 From: Mark Andrews <Mark_Andrews@isc.org> To: Forrest Aldrich <forrie@forrie.com> Cc: freebsd-stable@freebsd.org Subject: Re: Order of devices listed in "ifconfig" Message-ID: <200608220048.k7M0m9FM090263@drugs.dv.isc.org> In-Reply-To: Your message of "Mon, 21 Aug 2006 20:14:40 -0400." <44EA4C70.2050609@forrie.com>
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> I'm certain I read up on this somewhere before... > > When you install a FreeBSD system (6.1 here), the devices don't always > configure "in order". For example, I have a few Dell PowerEdge systems, > upon which 2 are FreeBSD.... > > The devices would normally appear "in order" (similar to Linux) where > they are physically attached... first, em0 and em1 would be the > motherboard NICs, then any PCI cards. > > So, I look at them physically, expecting to hook em1 into a separate > network, but em1 is actually another port. > > BOTH systems are different, too. > > That's the best way I can think of to describe it. > > Anyone know how to solve this problem in FreeBSD-6.x. > > > Thanks. I would post /var/run/dmesg.boot. I would also check that both boxes a physically wired the same, same system board rev. etc. On my multihomed box tx0 is always before sis0 which corresponds to the device order. tx0: <SMC EtherPower II 10/100> port 0x1400-0x14ff mem 0xf4806000-0xf4806fff irq 9 at device 15.0 on pci0 sis0: <NatSemi DP83815 10/100BaseTX> port 0x1800-0x18ff mem 0xf4807000-0xf4807fff irq 9 at device 16.0 on pci0 -- ISC Training! October 16-20, 2006, in the San Francisco Bay Area, covering topics from DNS to DHCP. Email training@isc.org. -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org
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