From: Liam Helmer (linuxlists_at_thevenue.org)
Date: Thu 09 Dec 2004 - 00:18:47 GMT
Yes... you can do that using mac spoofing (e.g. with fake) and setting
the nics in promiscuous mode. It's more load on the NIC and the CPU, but
not too much if your network is properly switched.
I think this is in the realm of things that, if vserver were to support
it, it would cause more problems than it would actually help. These are
things best left to something like heartbeat, etc, for setups that need
On Tue, 2004-12-07 at 13:26 -0500, Matt Nuzum wrote:
> On Tue, 7 Dec 2004 11:30:25 -0500 (EST), Gregory (Grisha) Trubetskoy
> <grisha_at_ispol.com> wrote:
> > On Tue, 7 Dec 2004, Darryl Ross wrote:
> > > I haven't had a look to see how you're doing the network stuff, but does
> > > it support (or will it support) the ability to set the ethernet MAC
> > > address for the virtual interface inside a vserver?
> > AFAIK the decision on whether to accept a packet destined for a specific
> > MAC address lies within the hardware of the network card (unless it's
> > running in promiscuous mode), so this is a hardware limitation.
> > Grisha
> Some NICs (all?) have the ability to set or change the MAC address, or
> at least somehow affect what their mac address appears to be.
> Also, there's the concept of network bridging, which I've never used
> in linux but know works in Windows and Open BSD. In Window, the newly
> created "Bridge" gets a mac address and dishes the data to the right
> network card some how.
> Would either of these two things have any bearing?
-- Liam Helmer <linuxlists_at_thevenue.org>
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