Lucent Technologies PortMaster Manual Do Utilizador

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15-1
Using Office-to-Office Connections
15
This chapter uses an example to demonstrate how to configure the PortMaster to 
connect your office to another office using a dial-on-demand modem configuration. This 
type of connection is designed to take the place of a costly dedicated line between the 
two locations, where the amount and duration of traffic do not justify a leased line or 
Frame Relay connection. 
This chapter also briefly describes how to configure multiline load balancing and ISDN 
BRI on-demand connections for office-to-office use.
The following topics are discussed:
See the PortMaster Command Line Reference for more detailed command descriptions and 
instructions.
Overview of Example Configuration
The example described in this chapter connects a PortMaster Office Router located in a 
branch office in London with a PortMaster 2 in the headquarters in Paris. These models 
are used as an example; you can use any PortMaster for this configuration. 
The PortMaster Office Router is designed to provide cost-effective connectivity between 
small remote (branch) offices and larger headquarters (main) offices. These types of 
connections are typically established on an as-needed basis. For most applications, a 
continuous connection is not cost-effective to maintain when a dial-on-demand 
connection can be established to transfer network traffic when necessary. 
A dial-on-demand link establishes a connection with the specified location when 
network traffic is queued. The PortMaster PCMCIA Office Router OR-M is designed to 
support a dial-on-demand connection with another office using the PCMCIA modem 
port S1. Figure 15-1 shows an example of this configuration. The console port S0 can be