[aaa new-model]
aaa group server radius ibs
server 172.16.18.10 auth-port 1812 acct-port 1813
ip radius source-interface GigabitEthernet0/2
aaa authentication ppp ibs group ibs
aaa authorization network ibs group ibs
aaa accounting delay-start
aaa accounting update periodic 1
aaa accounting network ibs start-stop group ibs
[aaa server radius dynamic-author]
client 172.16.18.10 server-key 7 1533180105240B020B037B0B010618
auth-type any
ignore session-key
ignore server-key