Operation Manual – SSHH3C S7500E Series Ethernet Switches Chapter 1 SSH Configuration1-121.3.2 Specifying a Source IP address/Interface for SSH ClientThis configuration task allows you to specify a source IP address or interface for theclient to access the SSH server, improving service manageability.To do… Use the command… RemarksEnter system view system-view —Specify asource IPv4address orinterface for theSSH clientssh client source { ipip-address | interfaceinterface-type interface-number }Specify asource IPaddress orinterfacefor theSSH clientSpecify asource IPv6address orinterface for theSSH clientssh client ipv6 source { ipv6ipv6-address | interfaceinterface-type interface-number }RequiredBy default, theaddress of theinterfacedecided by therouting is usedto access theSSH server1.3.3 Configuring First-time AuthenticationWhen the device connects to the SSH server as an SSH client, you can configurewhether the device supports first-time authentication.z With first-time authentication, when an SSH client not configured with the serverhost public key accesses the server for the first time, the user can continueaccessing the server, and save the host public key on the client for use insubsequent authentications.z Without first-time authentication, a client not configured with the server host publickey will be denied of access to the server. To access the server, a user mustconfigure in advance the server host public key locally and specify the public keyname for authentication.I. Enable the device to support first-time authenticationFollow these steps to enable the device to support first-time authentication:To do... Use the command… RemarksEnter system view system-view —Enable the device tosupport first-timeauthenticationssh client first-timeenableOptionalBy default, first-timeauthentication issupported on a client.
