[Info-vax] tcpip gateway question

[jbriggs444]

On Sep 15, 9:39 am, sapienzaf <sapie... at noesys.com> wrote:
> On Sep 15, 8:39 am, jbriggs444 <jbriggs... at gmail.com> wrote:
>
> > In the typical environment there's no such concept.  The NIC is set to
> > use the DECnet modified MAC address very early in the boot process.
> > The network never sees any other MAC address.  As far as the network
> > is concerned, the DECnet MAC address is the machine's true MAC
> > address.
>
> Not correct.
>
> In the case of an OpenVMS cluster satellite booting over the network
> interface, the initial MOP requests use the physical MAC associated
> with the network adapter.  After OpenVMS has booted and DECnet is
> started the MAC address is changed to the DECnet form.
>
> So the network switch/router can see a change in MAC address.

Fair enough.  I hadn't considered the case of booting over Ethernet.

I still don't know what the concept of "registration" is supposed to
refer to.