
Configuring AppleTalk Services
1-2
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AppleTalk Addresses
There are two types of AppleTalk networks:
extended
and
nonextended
. An
extended network theoretically supports up to 16 million nodes and has the
following characteristics:
• The network is assigned a
range
of 16-bit network numbers.
• Each node within the network is dynamically assigned a 24-bit AppleTalk
address (F
igure 1-1) that consists of a 16-bit network number, chosen from
within the range assigned, combined with an 8-bit node number. The values 0,
$FF, and $FE are reserved for future use.
Figure 1-1. AppleTalk Address with 24 Bits
For example, in F
igure 1-2, Networks 2-3, 4-4, 5-7, and 8-11 are extended
networks.
A nonextended network supports up to 254 nodes and has the following
characteristics:
• The entire network is assigned a
single
16-bit network number.
• Each node within the network is dynamically assigned a 24-bit AppleTalk
address that consists of the assigned network number combined with a
unique, 8-bit node number.
For example, in F
igure 1-2, Network 1 is a nonextended network.
Network Number
8 bits
16 bits
Node Number
APT0001A
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