I'm planning on setting up ethernet bridging on a Windows XP system, in order to get a connection with OpenVPN working. From what I understand, when I bridge the two ethernet adapters in XP (*), it makes some sort of announcement that the bridge has been set up.
(*) One being the physical NIC, the other the "virtual" OpenVPN NIC.
What is the nature of this announcement? Is there an RFC that covers the details? Is it routable, or does it only go as far as the local subnets attached to the two interfaces?
Enquiring minds want to know.
Thanks in advance.