Specifications

1-4
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 1 Network Design and Case Study Overview
Dial Planning Questionnaire
When users connect to modems, what
access service will they use?

EXEC shell
sessions

PPP sessions

SLIP sessions
Yes
Yes
No
Yes
Yes
No
Will you support multilink? If yes, will you
scale to a stacked multi-chassis solution?

Yes or No No Yes. A stacked
solution.
Will you support PPP timeouts
(accounting)?

Yes or No No No
For the short term, where are the users’
passwords stored?

Local AAA
database in the
router

Remote AAA
database in a
server
Local AAA Local AAA
In the long term, will you use a AAA
server? If yes, what protocol will you use?

TACACS+

RADIUS
Yes
TACACS+
Yes
RADIUS
Will users be allowed to change their own
passwords? If yes, how?

EXEC shell

CiscoSecure web
page
Yes
EXEC shell
Yes
CiscoSecure
web page
Will the access network use an external
authentication database such as SecureID,
Windows NT, or Novell NDS?

Yes or No Yes No
Will you support per-user attribute
definitions (authorization)?

Yes or No Yes No
Do you have an existing accounting system
to monitor call-detail records?

Yes or No No Yes
Are you running an existing network
management system?

Yes or No No No
1. Three months = current deployment requirement.
One year = current design plan requirement.
Five years = future scalability plan requirement.
Table 1-1 Dial Services Questionnaire (continued)
Design Questions Design Options
Maui Onions
Design
Choices
THEnets
Design Choices