Operation Manual - SSH Terminal Services
Quidway S3900 Series Ethernet Switches-Release 1510
Chapter 1 SSH Terminal Services
1.1 SSH Terminal Services
1.1.1 Introduction to SSH
Secure Shell (SSH) can provide information security and powerful authentication to
prevent such assaults as IP address spoofing, plain-text password interception when
users log on to the Switch remotely through an insecure network environment.
A Switch can connect to multiple SSH clients, and currently supports SSHv2.0 version.
SSH client functions to enable SSH connections between users and the Switch or
UNIX host that support SSH server.
Figure 1-1 and Figure 1-2 shows respectively SSH connection establishment for client
and server.
SSH connections through LAN
Workstation
Workstation
Server
Server
Figure 1-1 Establish SSH channels through LAN
SSH connections through WAN
100BASE-TX
100BASE-TX
Ethernet
Ethernet
Laptop
Laptop
Huawei Technologies Proprietary
1-1
Chapter 1 SSH Terminal Services
Switch
Switch
SSH-Server
SSH-Server
PC
PC
SSH-Client
SSH-Client