User Manual
UMN:CLI
V8102
297
8.4
Secure Shell (SSH)
Network security is getting more important because the access network has been gener-
alized among numerous users. However, typical FTP and telnet service have big weak-
ness for their security. Secure shell (SSH) is a network protocol that allows establishing a
secure channel between a local and a remote computer. It uses public-key cryptography
to authenticate the remote computer and to allow the remote computer to authenticate the
user.
8.4.1
SSH Server
The V8102 can be operated as SSH server. You can configure the switch as SSH server.
8.4.1.1
Enabling SSH Server
To enable/disable SSH server, use the following command.
Command
Mode
Description
service ssh
Global
Enables SSH server.
no service ssh
Disables SSH server.
show service
Enable/Global
Shows the status of network connection services
(telnet/ssh/ftp/tftp/snmp).
8.4.1.2
Displaying On-line SSH Client
To display SSH clients connected to SSH server, use the following command.
Command
Mode
Description
show ssh
Enable
Global
Shows SSH clients connected to SSH server.
8.4.1.3
Disconnecting SSH Client
To disconnect an SSH client connected to SSH server, use the following command.
Command
Mode
Description
ssh disconnect
PID
Global
Disconnects SSH clients connected to SSH server.
PID: SSH client number
ssh disconnect all
8.4.1.4
Assigning Specific Authentication Key
After enabling SSH server, each client will upload its own generated authentication key.
The SSH server can assign the specific key among the uploaded keys from several cli-
ents.
To verify an authentication key, use the following command.
Command
Mode
Description
