
AppleTalk Overview
1-13
Figure 1-7. ZIP GetNetInfo Packets
Name Binding Protocol (NBP)
Macintosh users on an AppleTalk network refer to services by name, rather than
by physical location. For example, if you want to locate a printer, select the
Chooser and then pick the printer by name, rather than by its AppleTalk address.
The Bay Networks AppleTalk router uses the Name Binding Protocol (NBP) and
the Zone Information Protocol to map names of services to AppleTalk addresses.
Command = 5
0
0
Zone Name Length
Zone Name
Command = 6
Flags
Network Number
Range Start
Network Number
Range End
Zone Name Length
Zone Name
Multicast Address Length
Multicast Address
Default Zone Length
Only one zone
Use broadcast
Zone invalid
Flags
ZIP GetNetInfo Request ZIP GetNetInfo Reply
Default Zone
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