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Posted by Walter Roberson on May 22, 2007, 10:44 pm
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>How many MAC addresses are there for the switch and router?
>As many as the number of ports or just one?
Switches that participate in Spanning Tree Protocol must have
a different MAC for each participating port.
Routers only need one MAC in theory, but are likely to have
one MAC per interface.
I've seen at least one router that used a different MAC for each
VLAN on a port.
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>As many as the number of ports or just one?