Chapter 32 Introducing the Commands

32.2.4 SSH

You can use an SSH client program to access the switch. The following figure shows an example using a text-based SSH client program. Refer to the documentation that comes with your SSH program for information on using it.

C:\>ssh2 admin@192.168.0.1

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@ WARNING: HOST IDENTIFICATION HAS CHANGED! @

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IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!

Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that the host key has just been changed.

Please contact your system administrator.

Add correct host key to "C:/Documents and Settings/Administrator/Application Data/SSH/hostkeys/key_22_192.168.0.1.pub" to get rid of this message. Received server key's fingerprint: xigil-gidot-homug-duzab-tocyh-pamyb- ronep-tisaf-hebip-gokeb-goxix You can get a public key's fingerprint by running % ssh-keygen -F publickey.pub

on the keyfile. Agent forwarding is disabled to avoid attacks by corrupted servers. X11 forwarding is disabled to avoid attacks by corrupted servers. Are you sure you want to continue connecting (yes/no)? yes

Do you want to change the host key on disk (yes/no)? yes

Agent forwarding re-enabled.

X11 forwarding re-enabled.

Host key saved to C:/Documents and Settings/Administrator/Application Data/ SSH/hostkeys/key_22_192.168.0.1.pub host key for 192.168.0.1, accepted by Administrator Thu May 12 2005 09:52:21

admin's password: Authentication successful.

Copyright (c) 1994 - 2005 ZyXEL Communications Corp. sysname>

32.3 The Login Screen

After you have successfully established a connection to the switch using a direct console connection or Telnet, a login screen displays. The following figure shows an example. For your first login, enter the default administrator login username “admin” and password “1234”.

Enter User Name : admin

Enter Password : XXXX

32.4 Command Syntax Conventions

The rules of the commands are listed next.

The command keywords are in courier new font.

The required fields in a command are enclosed in angle brackets <>, for instance, ping <ip> means that you must specify an IP number for this command.

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VES-1616F-3x Series User’s Guide