Telco and ISP Dial Scenarios and Configurations
Small- to
Individual Remote PCs Using Analog Modems
ISPs can configure a single Cisco AS5200 access servers to receive analog calls from remote PCs connected to modems, as shown in Figure 51. The point of presence (POP) at the ISP central site could also be a Cisco 2511 access server connected to external modems.
Network Topology
Figure 51 shows a small-scale dial-in scenario using modems.
Figure 51 Remote PC Using an Analog Modem to Dial In to a Cisco AS5200 Access Server
Internet
PC running Windows 95 and accessing
the Internet
Analog calls
Analog | Standard telephone |
|
network (POTS) | T1 PRI | |
modem |
|
|
Cisco AS5200 used to provide Internet access by an ISP
S6537
Running Configuration for ISDN PRI
The following example runs on the Cisco AS5200 access server, as shown in Figure 51, which enables remote analog users to dial in:
!
version 11.2
service timestamps debug datetime msec service timestamps log datetime msec service
no service
!
hostname NAS
!
aaa new-model
aaaauthentication login console enable aaa authentication login vty tacacs+ aaa authentication login dialin tacacs+ aaa authentication ppp default tacacs+
aaa authentication ppp dialin
!
!
Cisco IOS Dial Services Configuration Guide: Network Services
