In this specific case, it started with HP/Lefthand iSCSI SAN "Adaptive Load Balancing" but the question was more general.
On Fri, Sep 17, 2010 at 12:17 PM, Nick Hilliard <[email protected]> wrote: > On 17/09/2010 16:52, Jay Nakamura wrote: >> >> Some hosts/OS can do load balancing between NICs. If a host has two >> NICs connected to two switches,(the two switches are connected >> together) and load balancing between them, switch will see the same >> source MAC from two ports. How does a switch decide which ports to >> put in the forwarding table? Would it switch back and forth every >> time there is a packet? Is there any negative effect on the switch >> when that happens? Is this platform dependent? > > Are you talking about Network Load Balancing (NLB) here? This is very hacky > stuff which depends on switch port flooding and MAC address spoofing to > operate correctly. I wouldn't be the world's greatest fan of this approach, > to be honest. > >> >> http://blogs.technet.com/b/networking/archive/2008/05/15/preparing-the-network-for-nlb-2008.aspx > > On switches, it's generally not hardware dependent. > > Nick > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
