3-4
[Sysname-radius-cams] key authentication expert
[Sysname-radius-cams] server-type extended
# Configure the IP address of the security policy server.
[Sysname-radius-cams] security-policy-server 10.110.91.166
# Associate the domain with the RADIUS scheme.
[Sysname-radius-cams] quit
[Sysname] domain system
[Sysname-isp-system] radius-scheme cams