T1 AND E1 REMOTE ACCESS CONCENTRATORS
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Perhaps this is what the Configuration Worksheet for our example network looks like:
Configuration Option
Setting 1
Setting 2
IP address for Concentrator
2.2.2.1
Phone number for Concentrator
(555) 555-1234
RADIUS or CSM on same subnet
as Concentrator?
Yes
Authentication:
CSM secret
CSM_sec
Concentrator name
Conc_LRA3
Concentrator secret
LRA3_sec
Concentrator password
LRA3_pw
Remote Device Name
Router1
Router2
Secret/password for Device
secret2
secret3
IP address for Device
2.2.2.2
1.1.1.1
Phone Number for Device
N/A
(888) 555-4321
This example requires proper setup of:
• The Concentrator (see
Section 6.3.1
),
• CSM (see
Section 6.3.2
), and
• The remote IP Router (“Router2”; see
Section 6.3.3
).
The Concentrator must have a static IP address. The remote router Router2 must have a static IP address and
a static route configured to the Concentrator. Its default gateway must be set equal to Router1 (which is “local”
to the Concentrator). The remote end station must have a static address. Its default gateway must be equal to
Router2.
Standard PAP/CHAP/CLID authentication options are supported. The Concentrator will be configured
to call out.
