Specifications

1-8
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 1 Network Design and Case Study Overview
Configuration Design Parameters
To obtain the latest Cisco IOS features and bug fixes, the access servers are upgraded to the following
software releases:
Use a mature Cisco IOS release whenever possible. For example, a mature release is 12.0(10)T
not 12.0(1)T. Maintenance release 10 is more mature than maintenance release 1. During the
development of this document, the most mature releases available are 12.0(5)T and 12.0(4)XL1.
Configuration Design Parameters
Before the equipment is deployed at the customer sites, both companies define the following
configuration design parameters:

IP subnetting and address strategy

Device parameters

Network dial plan
Default gateway To forward packets to the IP
intranet and Internet.
Router Router
Internet firewall To protect the IP intranet from
intruders and hackers.
Cisco PIX Cisco PIX
Edge router To provide connectivity between
the access subnet and the IP
backbone.
Router Router
1. Network Time Protocol
2. System logs (logging)
3. Simple Network Management Protocol
Table 1-1 Hardware
Elements
(continued)
Element Purpose Maui Onions THEnet
Table 1-2 Software Releases: Cisco IOS and MICA Portware
Hardware Start with Upgrade to
Cisco AS5300 Cisco IOS Release 11.3(7)AA
MICA portware 2.6.2.0
Cisco IOS Release 12.0(5)T
MICA portware 2.7.1.0
Cisco AS5800 Cisco IOS Release 11.3(9)AA2
MICA portware 2.6.2.0
Cisco IOS Release 12.0(4)XL1
MICA portware 2.6.2.0 (same)