Specifications

Configuring the D Channels for Modem Signaling
Cisco AS5300 Universal Access Server Software Configuration Guide
3-24
Configuring the D Channels for Modem Signaling
Configure the ISDN D channels, which carry the control and signaling information for ISDN calls,
for each ISDN PRI line.
Configure
Table 3-13 Configuring the D Channels for Modem Signaling
Step Command Purpose
1 5300> enable
Password: <password>
5300#
Enter enable mode (also called
privileged EXEC mode).
Enter the password.
You have entered enable mode when the
prompt changes to
5300#.
2 5300# configure terminal
Enter configuration commands, one per line. End
with CNTL/Z.
5300(config)#
Enter global configuration mode. You
have entered global configuration mode
when the prompt changes to
5300(config)#.
3 5300(config)# interface serial 0:23
5300(config-if)#
Enter serial interface configuration
mode. After configuring the controller, a
corresponding D channel serial interface
is created instantly. For example, serial
interface 0:23 is the D channel for
controller 0. You must configure each
serial interface to receive incoming and
send outgoing modem signaling.
4 5300(config-if)# ip address 172.16.253.254
255.255.255.0
Assign an IP address and subnet mask to
the interface.
5 5300(config-if)# isdn incoming-voice modem
Configure all incoming voice calls to go
to the modems.
6 5300(config-if)# dialer-group 1
Assign serial interface to dialer group 1.
The dialer group number is used with the
dialer-list command to determine which
packets will be meet the criteria
specified by the dialer-list command and
activate the ISDN connection.
7 5300(config-if)# encapsulation ppp
Changes the default to encapsulation ppp
so you can enter ppp commands.
8 5300(config-if)# ppp multilink
Enable PPP
1
multilink on the serial
interface.
1. PPP = Point-to-Point Protocol.
9 5300(config-if)# ppp authentication chap pap
Enable CHAP
2
and PAP
3
authentication
on the serial interface.
2. CHAP = Challenge Handshake Authentication Protocol.
3. PAP = Password Authentication Protocol.
10 5300(config-if)# peer default ip address pool
default
Support dial-in PC clients.
11 5300(config-if)# Ctrl-Z
5300#
%SYS-5-CONFIG_I: Configured from console by
console
Return to enable mode.
This message is normal and does not
indicate an error.