3com WX3000 User Manual

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Follow these steps to enable the device to support first-time authentication: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enable the device to support 
first-time authentication 
ssh client first-time enable 
Optional 
By default, the client is enabled 
to run initial authentication. 
 
Follow these steps to disable first-time authentication support: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Disable first-time authentication 
support 
undo ssh client first-time 
Required 
By default, the client is enabled 
to run first-time authentication. 
Configure server public key 
 
Required 
The method of configuring 
server public key on the client is 
similar to that of configuring 
client public key on the server. 
Specify the host key name of 
the server 
ssh client { server-ip | 
server-name assign 
publickey rsa-key } 
keyname 
Required 
 
Establish the connection between the SSH client and server 
The client’s method of establishing an SSH connection to the SSH server varies with authentication 
types. See the table below for details. 
Follow these steps to establish an SSH connection: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Start the client to establish a 
connection with an SSH server 
ssh2 { host-ip | host-name 
port-num ] [ identity-key { dsa 
rsa } | prefer_kex 
dh_group1 | 
dh_exchange_group } | 
prefer_ctos_cipher { des | 
aes128 } | prefer_stoc_cipher 
des aes128 } | 
prefer_ctos_hmac { sha1 | 
sha1_96 | md5 | md5_96 } | 
prefer_stoc_hmac { sha1 | 
sha1_96 | md5 | md5_96 } ] * 
Required 
In this command, you can also 
specify the preferred key 
exchange algorithm, encryption 
algorithms and HMAC 
algorithms between the server 
and client. 
HMAC: Hash-based message 
authentication code 
Note that: 
The identity-key keyword is 
unnecessary in password 
authentication and optional in 
public key authentication.