
Configuring Dial Services
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Setting Up the Caller Resolution Table
For network security, all three dial services use a PPP identification mechanism to
determine who is calling the router. PPP performs this identification process using
one of two authentication protocols, CHAP or PAP. CHAP is the default protocol.
To identify an incoming remote caller using CHAP, you enter the caller name and
CHAP secret of each remote caller in a caller resolution table, and associate each
name with a local demand, primary, or bandwidth circuit. When a router receives
an incoming call, it checks the caller resolution table for an entry that identifies
the caller. If the caller is authorized, the local router maps the caller to a logical
circuit number, and then activates that circuit.
To configure the caller resolution table:
Note:
If you are configuring RADIUS with a dial service, the router uses
vendor-specific attributes for authentication. In this case, do not configure a
caller resolution table.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window
choose
Dialup
.
The Dialup menu opens.
2. Choose
Caller Resolution Table
. The Caller Resolution Table window
opens.
3. Click on
Add
. The Caller Name and Secret/Password
window opens.
(continued)
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