Re: Quick NetBEUI question

Alan Cox (
Tue, 28 Jul 1998 16:17:00 +0100 (BST)

> You wouldn't even need promiscuous mode. NetBEUI broadcasts everything.
> It has been banned on most college campuses because of the horrible
> traffic problems it causes. At CMU, if you run NetBEUI, even if not
> on purpose, your ethernet jack is disconnected within hours.

There is a lot wrong with netbeui, but that information isnt correct.
NetBEUI is an 802.2 layer carrier for frames implementing the NetBIOS API.
Its defined by the IBM Lan technical reference and it is not pure broadcast

Netbios has the notion of reliable packet streams using 802.2LLC unicast,
unicast host->host messages and broadcast messages.

Almost all name and group name resolution is however broadcast.


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