Date: Sat, 27 Feb 1999 11:19:17 +1030 From: Leigh Hart <hart@at.dotat.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: pete@sms.fi (Petri Helenius), archie@whistle.com, venkats@austin.ibm.com, freebsd-net@FreeBSD.ORG Subject: Re: etherchannel support Message-ID: <199902270049.LAA28713@at.dotat.com> In-Reply-To: Your message of "Fri, 26 Feb 1999 19:00:13 BST." <199902261800.TAA26142@labinfo.iet.unipi.it>
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... > > > > > How do you chose which interface to use for output, what > > > > > about load balancing, etc ? > > > > > > > > Well, what does Cisco do? > > > > They XOR the low byte of the source and destination mac addresses > > and use 1-3 low order bits to determine the link to transmit on. > > (etherchannel supports at least up to 8 links between two devices) > > hmm... so if all your cards use the same mac address (which could > be useful to simplify life when doing ARP-related stuff etc) you > effectively only use one link ? That would depend on the *destination* address too, wouldn't it? Cheers Leigh -- | "By the time they had diminished | Leigh Hart, <hart@dotat.com> | | from 50 to 8, the other dwarves | Dotat Communications Pty Ltd | | began to suspect 'Hungry' ..." | GPO Box 487 Adelaide SA 5001 | | -- Gary Larson, "The Far Side" | http://www.dotat.com/hart/ | To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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