Foundation Summary 35
Table 2-3
Router Model Usage Location Table
Router Model
Site Usage
Notes
700
Home office
Inexpensive ISDN access router
800
Remote office/Branch
office
IOS software; ISDN access router
1000
Remote office/Branch
office
ISDN/serial LAN extender
2500/2600
Branch office
Medium flexibility with mid-range cost; supports a
variety of LAN/WAN technologies
3600
Central office
High-flexibility, high-cost modular configuration
that supports any office configuration
5000
Central office
Specifically targeted at high-density RAS sites that
support a large number of dial-up users over both
analog and ISDN lines
7000
Central office
Provides high-powered, high-cost, core router
functionality
Table 2-4
WAN Connection Options Table
Method
Speeds
Notes
Leased Lines
All speeds
High control; high bandwidth
Up to T1/T3
High-cost, enterprise network usage
Frame Relay
Up to T1 speed
Medium-control, shared-bandwidth,
branch office usage
X.25
Up to T1 speed
Low-control shared bandwidth that is
generally considered to be old technology
ISDN
PRI-T1 speed;
BRI-128 kbps
Low-control shared bandwidth that is
faster than asynchronous dialup
Asynchronous
Up to 53 kbps
Low control and variable cost that is
effective for limited usage environments