promiscuous mode, was Re: [HECnet] Multinet Tunnel Connections to SG1::

Dave McGuire mcguire at neurotica.com
Fri Jun 8 08:14:47 PDT 2012


On 06/08/2012 03:13 AM, Johnny Billquist wrote:
But reading it through now, I see that there was one implicit assumption
in my text which I could have pointed out.
If you need to share the device with the system, while using a different
MAC address, you need to place the device in promiscuous mode. And such
is the case if we talk DECnet, since DECnet requires that you use a
specific MAC address which is not the same as the default MAC address of
a device.

    In the case of Linux DECnet, it actually changes the "main" MAC
address of the interface, it doesn't add another one.

Right. And in that case, you don't need promiscuous mode.

We could go on about details, corner cases, other systems, potential
network problems, and so on... But I think we both know what we're
talking about, and I doubt we need to drag this any further. Contact me
directly if you want us to continue. :-)

  I think what we need to do is convince Chrissie to continue working on
her DECnet implementation. =)

                      -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA



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