Operation Manual – SSHH3C S3100 Series Ethernet Switches Chapter 1 SSH Configuration1-71.3.1 Configuring the User Interfaces for SSH ClientsAn SSH client accesses the device through a VTY user interface. Therefore, you needto configure the user interfaces for SSH clients to allow SSH login. Note that theconfiguration takes effect at the next login.Table 1-3 Follow these steps to configure the user interface for SSH clients:To do... Use the command... RemarksEnter system view system-view —Enter user interfaceview of one or moreuser interfacesuser-interface vtyfirst-number [ last-number ] —Configure theauthentication modeas schemeauthentication-modescheme[ command-authorization ]RequiredBy default, the userinterface authenticationmode is password.Specify the supportedprotocol(s)protocol inbound { all |ssh |telnet }OptionalBy default, both Telnetand SSH are supported.Caution:z If you have configured a user interface to support SSH protocol, you must configureAAA authentication for the user interface by using the authentication-modescheme command to ensure successful login.z On a user interface, if the authentication-mode password orauthentication-mode none command has been executed, the protocol inboundssh command is not available. Similarly, if the protocol inbound ssh commandhas been executed, the authentication-mode password andauthentication-mode none commands are not available.1.3.2 Configuring the SSH Management FunctionsThe SSH server provides a number of management functions. Some functions canprevent illegal operations such as malicious password guess, further guaranteeing thesecurity of SSH connections.
