ZyXEL Communications Prestige 642R Series - Manual (Page 81)

Prestige 642R Series ADSL Router
6-2 IPX Configuration
Figure 6-1 NetWare Network Numbers
6.1.3 External Network Number
Each of the four logical networks (based on frame type) has its own external network number.
6.1.4 Internal Network Number
In addition to the external network numbers, each NetWare server has its own internal network number that
is a virtual network to which the server is attached. It is important to remember that every network number
must be unique for that entire internetwork, either internal or external.