1. Cisco交换机、路由器开启telnet命令username XX privi 15 password XXenable secret XXline vty 0 4login localtransport input telnet2.华为交换机、路由器开启telnet命令telnet server enable

1. Cisco交换机、路由器开启ssh命令ip domain-name czjt.comip ssh version 2username XX privilege 15 password XXenable secret XXcrypto key generate rsaline vty 0 4login localtransport input ssh