Compatible Systems 5.4 Manuale Utente

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Chapter 4 - AppleTalk Routing & Bridging
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connected to this interface, for Phase 2. Acceptable values vary from 1 to 
65,279. The value on the left must be smaller than the value on the right.
Each individual number in the range will support up to 253 node addresses.
v Note:  Accidental selection of an AppleTalk network number (or range of 
numbers) which is already in use on another network segment may cause 
hard-to-diagnose problems. You should carefully track which AppleTalk 
network numbers are in use, and where they are used.
Phase 2 Zones
For an AppleTalk Phase 2 Bridge Group which you set to Seed Phase 2, you 
must provide a network number range. These are the names associated with 
the network number range entered above. You must specify at least one name, 
but it isn’t necessary to specify a name for every number in the range. Zone 
names may be up to 32 characters in length.
Typically names are chosen which have some significance to the physical 
location or the corporate purpose of the network segment(s). Examples would 
be “Main Accounting,” “Cost Accounting” and “Bookkeeping.”
These names will appear in the Chooser program of computers which support 
AppleTalk. using the Network Control Panel, Macintosh computers are able 
to pick the zone in which they are located.
Phase 2 Default Zone
Use the Default button next to the Zone list to select which entry the router 
should designate as the default zone name for the segment(s) which are part 
of the group. If you do not specify a default name, the router will designate 
the first name in the list.
Phase 2 Node
You can provide a suggestion for the node number the router should use on 
this AppleTalk Phase 2 Bridge Group.
v Note:  The AppleTalk protocol allows network nodes to dynamically claim 
node numbers when they start up. Assigning known AppleTalk node numbers 
to router interfaces can make it easier to diagnose network problems using a 
network packet monitor.
NBP Lookup Filters (Filtering)
The parameters required for NBP Filtering are contained in a configuration 
screen brought up by the “Filtering” button. This screen is discussed later in 
this chapter.