Cisco PVDM2 24DM - Digital Modem Module User Manual page 5

Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules
Tasks Common to All Configurations
Complete the following tasks for all configurations of digital modem PVDM2s.
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Configuring the Loopback Interface
The loopback 0 interface is the interface that dial-in users access when dialing in to the network. Usually,
all dial-in users are assigned to a single IP subnet. This subnet can be identified with the loopback 0
interface, a logical interface whose network number can be borrowed by each asynchronous dial-in
interface.
To configure the loopback 0 interface, perform the following tasks, beginning in global configuration mode:
SUMMARY STEPS
1.
2.
DETAILED STEPS
Command or Action
Step 1
interface Loopback number
Example:
Router(config)# loopback 0
Step 2
ip address ip-address ip-address mask
Example:
Router(config-if)# ip address 127.0.0.1
255.255.0.0
Configuring the Loopback Interface, page 5
Configuring the Modem Country Code, page 6
Configuring Modem Lines for Dial-In and Dial-Out, page 6
Configuring the Default IP Pool Information, page 8
Creating Group Asynchronous Interfaces, page 8
Configuring the Dialer Interface, page 10
Configuring Modem Pooling, page 11
Configuring Modem Recovery, page 12
Loading Modem Firmware, page 13
interface Loopback number
ip address ip-address ip-address mask
How to Configure Digital Modem PVDM2s
(required)
(required)
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(optional)
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Purpose
Selects the loopback 0 interface.
Assigns an IP address and subnet mask to the loopback 0
interface.
Cisco IOS Release 12.4(9)T, 12.4(11)XW, and 12.4(20)T
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