Channel Bonding

Jared Hodge jared_hodge at
Thu Aug 16 10:19:19 EDT 2001

I thought the MAC was determined by the NIC (which would mean it would
vary from NIC to NIC even if in the same machine).  I may be wrong.

Rocky McGaugh wrote:
> On Wed, 15 Aug 2001, Michael Sowka wrote:
> > Hello,
> > I was hoping someone could point me in the right direction with some
> > question I have about channel bonding. Linux kernel side seems to be
> > easy enough with the CONFIG_BONDING=Y and other "various" /etc stuff...
> > but what about the switches?! In the kernel Configuration Documentation
> > it mentions something like a Cisco 5500 switch... I looked it up and it
> > seems that the 5000 series switches are the "standard" for what Cisco
> > calls Etherchannel (Channel bonding = Etherchannel). Now I sorta' assume
> > that's an expensive piece of equipment, and the goal of our little
> > project here is to build a very VERY "Class I" system (read: cheap, VERY
> > off the shelf equipment)... won't a simple 300$ 8-port switch do???
> > Thanks for any comment and pointers,
> > Mike
> >
> >
> Actually, 2 of the 8-port switches will work for 8 nodes, or 2 four
> ports for 4 machines. Main consideration is that both nics will present
> the same MAC address to the switch, and you cant have 2 nics with the same
> MAC address on the same wire without special support. If you put all of
> eth0 on one switch, and all of eth1's on the other, then this will work.
> --
> Rocky McGaugh
> Atipa Technologies
> rocky at
> rmcgaugh at
> 1-800-360-4346 x3110
> http://1087800222/
> perl -e 'print unpack(u, ".=W=W+F%T:7!A+F-O;0H`");'
> _______________________________________________
> Beowulf mailing list, Beowulf at
> To change your subscription (digest mode or unsubscribe) visit

Jared Hodge
Institute for Advanced Technology
The University of Texas at Austin
3925 W. Braker Lane, Suite 400
Austin, Texas 78759

Phone: 512-232-4460
Fax: 512-471-9096
Email: Jared_Hodge at

Beowulf mailing list, Beowulf at
To change your subscription (digest mode or unsubscribe) visit

More information about the Beowulf mailing list