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• After passing both the authentication and the security check, the user can access Internet resources
that match ACL 3001.
# After the user passes authentication, use the following command to display information about the
portal user.
[SwitchA] display portal user interface vlan-interface 4
Total portal users: 1
Username: abc
Portal server: newpt
State: Online
Authorization ACL: 3001
VPN instance: --
MAC IP VLAN Interface
0015-e9a6-7cfe 8.8.8.2 4 Vlan-interface4
Configuring portal server detection and portal user
synchronization
Network requirements
As shown in Figure 56, the host is directly connected to the switch (the access device). The host is
assigned with a public IP address either manually or through DHCP. A portal server acts as both a portal
authentication server and a portal Web server. A RADIUS server acts as the authentication/accounting
server.
Configure direct portal authentication on the switch, so the host can access only the portal server before
passing the authentication and access Internet resources after passing the authentication.
Configure the switch to do the following:
• Detect the reachability state of the portal authentication server.
• Send log messages upon state changes.
• Disable portal authentication when the authentication server is unreachable.
• Synchronize portal user information with the portal server periodically.
Figure 56 Network diagram
Configuration prerequisites and guidelines
• Configure IP addresses for the switch and servers as shown in Figure 56 and make sure the host,
switch, and servers can reach each other.
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