
Configuring Dial Services
3-12
An alternative to configuring adjacent hosts is to configure IP unnumbered
interfaces. An unnumbered interface is a point-to-point connection that does not
use an IP address. Instead, you configure the address to be 0.0.0.0. You can use
unnumbered interfaces to advertise routing information across the network. Since
all traffic over an unnumbered interface uses broadcast addressing at the link
layer, you do not need adjacent hosts.
Adjacent hosts and unnumbered interfaces are features of the router’s IP interface.
To configure these features, refer to Configuring IP Services.
Implementation Notes Specific to Dial-on-Demand
The following sections detail dial-on-demand operation.
Data Compression
Site Manager allows you to configure the Bay Networks proprietary compression
protocol, WCP, over any PPP demand circuit.
Enabling compression improves bandwidth efficiency by eliminating redundant
strings in data streams. This, in turn, improves network response times and yields
line-cost savings.
To implement data compression, you must be in the Demand Circuits
configuration window. To display the list of available protocols, click on
Protocols, which appears after creating a demand circuit, and select WCP from the
Select Protocols menu (Chapter 5). Note that WCP does not work with any other
router’s compression protocol.
For further information about data compression, see Configuring Data
Compression Services.
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