4-18 Cisco 2524 and Cisco 2525 Router User Guide
Configuring the Router
Take the following steps to configure the 4-wire 56/64-kbps DSU/CSU WAN module for
DDS, substituting the correct addresses and host names as appropriate for your network:
Step 1
Enter enable mode:
Router> enable
password:
enablepassword
Step 2
Enter configuration mode:
Router# config term
Router(config)#
Step 3
Assign an IP address to the serial port on the module:
Router(config)# interface serial
port_number
Router(config-if)# ip address
ipaddress subnetmask
Router(config-if)# no keepalive
Step 4
Set the network type to DDS:
Router(config-if)# service-module 56k network-type dds
Step 5
Return to user EXEC mode:
Router(config-if)# exit
Router(config)# exit
Router# exit
Router>
Configuring the Fractional T1/T1 DSU/CSU WAN Module
This section describes how to configure the fractional T1/T1 DSU/CSU WAN module. This
module is configured for Extended Superframe Format (ESF) signal format, bipolar eight
zero substitution (B8ZS), and full bandwidth as the factory default. Depending on your
networking environment, you might need to change these settings.
For Cisco IOS Release 11.0 and earlier releases, refer to the Router Products Command
Reference for more information about the commands in this section. For Cisco IOS
Release 11.1 and later releases, refer to the Configuration Fundamentals Command
Reference.