H3C Technologies H3C Intelligent Management Center - Manual (Page 24)

6
Application scenarios
• Small-scale rebuilding of an existing network.
• User access control at the network distribution layer.
• Control access only to the external network. Users can access the internal network, but must pass
authentication to access the external network.
Figure 3 Network diagram of portal access
Features
Portal access has the following features:
• UAM serves as both the RADIUS server and the portal server.
• The network distribution layer, core layer (portal gateway attached), or egress device controls user
access to the network.
Password exchange methods
The portal access process supports the following password exchange methods:
• CHAP
• EAP-MD5
• EAP-PEAP
• EAP-TLS
• EAP-TTLS
• PAP