配置EDGER远程访问SSHv2 登录用户通过AAA服务器上的RADISU提供 预共享密码为“CISCO” 在AAA上创建RADIUS账户“radmin”密码“CISCO”  ``` ip domain-name pf.com #配置域名，ssh需要 ip ssh version 2 #更改版本号为2 R1(config)#crypto key generate rsa The name for the keys will be: R1.pf.com Choose the size of the key modulus in the range of 360 to 2048 for your General Purpose Keys. Choosing a key modulus greater than 512 may take a few minutes. How many bits in the modulus [512]: 2048 #2048 % Generating 2048 bit RSA keys, keys will be non-exportable...[OK] aaa new-model #开启AAA认证 aaa authentication login RADIUS group radius line vty 0 4 login authentication RADIUS transport input ssh radius-server host 192.168.192.168.20.1 auth-port 1645 #指向服务器地址 #服务器AAA端口号 radius-server key CISCO #密码 ```  ``` 登录 ssh -v 2 -l radmin 192.168.10.2 ```