Huawei eNSP (Enterprise Network Simulation Platform)

Huawei launched the simulation program called eNSP (Enterprise Network Simulation Platform). You can access and download as free from this URL http://support.huawei.com/ecommunity/bbs/10142183.html. This is a beta version and Huawei need some feedback before August 30, 2012.

Here's configuration you can do at VRP (Versatile Routing Platform): http://ip-datacomm.blogspot.com/2011/10/wan-protocol.html. You can connect the eNSP topology to the real network too.

Screenshot:

Tutorial: Implementing Radius in Wireless Router

Topology

Server
IP address : 192.168.0.2/24
AAA configuration :

• Client name : ap
• Client IP : 192.168.0.1
• Server type : Radius
• Secret key : cisco
• User name : admin
• Password : cisco

Linksys WRT300N
IP address : 192.168.0.1/24
Wireless Security : WPA2-Enterprise
Encryption : AES
Radius Server : 192.168.0.2
Key : cisco

Client
IP address : 192.168.0.100/24 (static or DHCP)
Wireless Security : WPA2-Enterprise
Encryption : AES
Username : admin
Password : cisco

To connect per user (client), you need to add more the username and password  fields in AAA Server so that every user will authenticate using their own account.