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Figure 12 Log in to another device from the current device

NOTE:

If the telnet client port and the telnet server port that connect them are not in the same subnet, make sure

that the two devices can reach each other.

Configuration procedure

Follow the step below to configure the device to log in to a telnet server as a telnet client:

To do… Use the command…

Remarks

Configure the device to log in to a

telnet server as a telnet client

telnet remote-host [ service-port ]

[ [ source { interface interface-type

interface-number | ip

ip-address } ] ]

Optional

Available in user view

Logging in through SSH

Secure Shell (SSH) offers an approach to log into a remote device securely. By providing encryption and

strong authentication, it protects devices against attacks such as IP spoofing and plain text password

interception. The device supports SSH, and you can log in to the device through SSH to remotely manage

and maintain the device, as shown in Figure 13.

Figure 13 SSH login dia

gram

The following table shows the configuration requirements of SSH login.

ect Re

uirements

SSH server

Configure the IP address of the VLAN interface, and make sure the SSH server

and client can reach each other.

Configure the authentication mode and other settings.

SSH client

Run the SSH client program.

Obtain the IP address of the VLAN interface on the server.

By default, the device is enabled with the SSH server and client functions.

• On a device that serves as the SSH client, you can log in to an SSH server to perform operations on

the server.

• On a device that serves as the SSH server, you can configure the authentication mode and user level

for SSH users. By default, password authentication is adopted for SSH login, but no login password

is configured, so you cannot log in to the device through SSH by default. Before you can log in to

HP 5120 series User Manual

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