NetBEUI is the only listed protocol that is not routable; the rest are.
Windows XP does not automatically install NetBEUI, as Microsoft considers it a legacy protocol.
Because it is not IP based.
Windows XP
Worth noting is the popular confusion between the names NetBIOS and NetBEUI. NetBEUI originated strictly as the moniker for IBM's enhanced 1985 NetBIOS emulator for token ring. The name NetBEUI should have died there, considering that at the time, the NetBIOS implementations by other companies were known simply as NetBIOS regardless of whether they incorporated the API extensions found in that emulator. For MS-NET, however, Microsoft elected to name its implementation of the NBF protocol "NetBEUI" - literally naming its implementation of the transport protocol after IBM's second version of the API. Consequently, even today, Microsoft file and printer sharing over Ethernet continues to be called NetBEUI, with the name NetBIOS commonly used only in reference to file and printer sharing overTCP/IP. In truth, the former is NetBIOS over NBF, and the latter is NetBIOS over NBT.
NetBEUI is the only listed protocol that is not routable; the rest are.
IPX/SPX : Routable // TCP/IP : Routable // NetBEUI : Not Routable
Windows XP does not automatically install NetBEUI, as Microsoft considers it a legacy protocol.
The Transport Layer
Because it is not IP based.
Windows XP
Worth noting is the popular confusion between the names NetBIOS and NetBEUI. NetBEUI originated strictly as the moniker for IBM's enhanced 1985 NetBIOS emulator for token ring. The name NetBEUI should have died there, considering that at the time, the NetBIOS implementations by other companies were known simply as NetBIOS regardless of whether they incorporated the API extensions found in that emulator. For MS-NET, however, Microsoft elected to name its implementation of the NBF protocol "NetBEUI" - literally naming its implementation of the transport protocol after IBM's second version of the API. Consequently, even today, Microsoft file and printer sharing over Ethernet continues to be called NetBEUI, with the name NetBIOS commonly used only in reference to file and printer sharing overTCP/IP. In truth, the former is NetBIOS over NBF, and the latter is NetBIOS over NBT.
NetBEUI
It's not routable network + Guide to networks pg196
Pronounced net-booey, NetBEUI is short for NetBios Extended User Interface.It is an enhanced version of the NetBIOS protocol used by network operating systems such as LAN Manager, LAN Server, Windows for Workgroups, Windows 95 and Windows NT.
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