
7-1
Chapter 7
Configuring Multiline Services
This chapter provides an overview of multiline configurations and describes how
to use the Configuration Manager to configure multiline services. Site Manager
supports multiline services over the following types of WAN media:
• Synchronous (Bay Networks Standard, PPP, and Frame Relay protocols)
• T1/E1
• MCE1/MCT1
• HSSI
Overview of Multiline Configurations
A multiline configuration is a circuit that consists of more than one WAN data
path. A data path is a connection between two points, and can be a permanent
physical line, a dial-up physical line, or a virtual circuit connection.
Using a multiline configuration rather than a single path provides the following
advantages
• Greater bandwidth between two sites
Bandwidth is the rate at which traffic travels on the circuit. A multiline circuit
has greater bandwidth because traffic can travel via more than one data path.
• Greater degree of fault tolerance
In a multiline configuration, multiple data paths exist for a single circuit.
Consequently, if one data path becomes disabled, traffic can travel over
another data path.
The following example illustrates the benefits of using multiline services.
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