1. Use password authentication method:
<Huawei>system-view Enter system view
[Huawei]telnet server enable //Enable Telnet service
[Huawei]user-interface vty 0 4 //Try to enter VTY
[Huawei-ui-vty0-4]authentication-mode password //Set the authentication mode to password
Please configure the login password (maximum length 16):mf88855514 //Enter the password
[Huawei-ui-vty0-4]user privilege level 15 // Set level (0-15)
[Huawei-ui-vty0-4]protocol inbound telnet //Specify the protocol supported by the VTY user interface as Telnet
2. Use the user name and password authentication method (AAA)
<Huawei>system-view Enter system view
[Huawei]telnet server enable //Enable Telnet service
[Huawei]user-interface vty 0 4 //Try to enter VTY
[Huawei-ui-vty0-4]authentication-mode aaa //Set the authentication mode to aaa
[Huawei-ui-vty0-4]protocol inbound telnet //Specify the protocol supported by the VTY user interface as Telnet
[Huawei]aaa //Try to enter AAA
[Huawei-aaa]local-user mingfeng password cipher mf88855514 //Set the user name (mingfeng) and password (mf88855514)
Info: Add a new user.
[Huawei-aaa]local-user mingfeng service-type telnet //Set the user mingfeng access type to Telnet
[Huawei-aaa]local-user mingfeng privilege level 15 //Set the level of local user mingfeng to 15 (0-15), default to 0
3. View Telnet port status
[Huawei]display telnet server status
TELNET IPV4 server :Enable
TELNET IPV6 server :Enable
TELNET server port :23
4. Modify Telnet port
[Huawei]telnet server port 2323 //The default port is 23
[Huawei]dis telnet server status
TELNET IPV4 server :Enable
TELNET IPV6 server :Enable
TELNET server port :2323