yes, it is possible.
aaa new-model
aaa authen login default radius
aaa authen login noradius enable
aaa authori network radius
aaa account exec start-stop radius
aaa account network start-stop radius
radius-server host [x.x.x.x] auth-port [1645] acct-port [1646]
radius-server key [secret]
line con 0
login authen noradius
line vty 0 4
login authen default
