1. Routing and Switching :
2600 series routers
3600 series routers
Catalyst 3550 series switches
2. Security :
2500 series routers
2600 series routers
3600 series routers
4000 and 4500 series routers
3900 series token ring switches
Catalyst 5000 series switches
PIX - running Pix software version 5.2
Certificate Authority Support
Cisco Secure Access Control System
Cisco Secure Intrusion Detection System
3. Communication and Services :
2600 series routers
3600 series routers
Catalyst 3550 series switches
思科官方网站连接请点这里