Date: Thu, 04 Jan 2001 07:46:55 -0500 From: mikel <mikel@ocsinternet.com> To: David Kelly <dkelly@hiwaay.net> Cc: Tim Gustafson <tim@falconsoft.com>, freebsd-questions@FreeBSD.ORG Subject: Re: Two NICs In FreeBSD Message-ID: <3A5470BF.5FFE090C@ocsinternet.com> References: <200101040626.f046Qqp18465@grumpy.dyndns.org>
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One reason might be: APAP. Auto Port Agregation Protocol. HP and Cisco support aggregation accross multiple NIC on the same LAN (via a switch only, gee let's trythat on a mini-HUB...;| ) In their scenarios you can use up to 8 NIC's (if memory server me correcty) thus an achieving 800Mbit channel to the other device. Of course at that point I'd say why not use a gbic...;) But they thought of that too cause with APAP you get failover ballancing over the remaining NIC's and of course if the gbic goes so does you connection. But wait theirs more..cause Cisco's added gbic/gbix to the mix and in there version you can achieve an 8gbit channel over multiple gbic/gbix...adatpers... The only problem is that I don't think it's support on fBSD yet... Cheers, mikel David Kelly wrote: > Tim Gustafson writes: > > Hello > > > > I just installed two NIC cards into my FreeBSD machine that are on the same > > LAN, each with a different IP. However, I keep getting this sort of > > message in my syslog: > > I fail to understand why one would put two NICs on the same LAN. What > does this do for you that an aliased address on one NIC won't do? Is > this something you have to do to NT to fool it into appearing on the > net with multiple IP addresses? > > See the "alias" option in ifconfig(8): > > alias Establish an additional network address for this interface. This > is sometimes useful when changing network numbers, and one wishes > to accept packets addressed to the old interface. If the address > is on the same subnet as the first network address for this in- > terface, a netmask of 0xffffffff has to be specified. > > -- > David Kelly N4HHE, dkelly@hiwaay.net > ===================================================================== > The human mind ordinarily operates at only ten percent of its > capacity -- the rest is overhead for the operating system. > > 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
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