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Telco and ISP Dial Scenarios and Configurations
Small- to Medium-Scale POPs
DNC-310
Cisco IOS Dial Services Configuration Guide: Network Services
ip classless
!
dialer-list 1 protocol ip permit
!
line con 0
login authentication console
line 1 48
autoselect ppp
autoselect during-login
login authentication dialin
modem DialIn
line aux 0
login authentication console
line vty 0 4
login authentication vty
transport input telnet rlogin
!
end
Individual PCs Using ISDN Terminal Adapters
ISPs can configure a single Cisco AS5200 access server to receive digital multilink calls from remote
PCs connected to terminal adapters, as shown in Figure 52. The POP at the central site of the ISP can be
any Cisco router that supports ISDN PRI, such as the Cisco 4700-M router loaded with a channelized
T1 PRI network module.
Network Topology
Figure 52 shows a small-scale dial-in scenario using terminal adapters.
Figure 52 Remote PC Using a Terminal Adapter to Dial In to a Cisco AS5200 Access Server
To configure one Cisco AS5200 to accept both incoming ISDN and analog calls from individual terminal
adapters and modems, see the section “Mixture of ISDN and Analog Modem Calls” later in this chapter.
Terminal
adapter
BRI
T1 PRI
Cisco AS5200
used to provide
Internet access
by an ISP
H
ome office remote
P
C running Windows 95
ISDN network
Digital calls
Internet
S6536