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PowerConnect B-Series FCX Configuration Guide 1209
53-1002266-01
Setting optional parameters
33
The <filename> variable is the name of the dsa public key file that you want to import into the Dell
PowerConnect device.
The remove parameter deletes the key from the system.
To display the currently loaded public keys, enter the following command.
Syntax: show ip client-pub-key [begin <expression> | exclude <expression> | include
<expression>]
To clear the public keys from the buffers, enter the following command.
PowerConnect#clear public-key
Syntax: clear public-key
Use the ip ssh pub-key remove command to delete the public key from the system.
Enabling DSA challenge-response authentication
DSA challenge-response authentication is enabled by default. You can disable or re-enable it
manually.
To enable DSA challenge-response authentication.
PowerConnect(config)#ip ssh key-authentication yes
To disable DSA challenge-response authentication.
PowerConnect(config)#ip ssh key-authentication no
Syntax: ip ssh key-authentication yes | no
Setting optional parameters
You can adjust the following SSH settings on the Dell PowerConnect device:
• The number of SSH authentication retries
• The user authentication method the Dell PowerConnect device uses for SSH connections
• Whether the Dell PowerConnect device allows users to log in without supplying a password
• The port number for SSH connections
• The SSH login timeout value
PowerConnect#show ip client-pub-key
---- BEGIN SSH2 PUBLIC KEY ----
Comment: DSA Public Key
AAAAB3NzaC1kc3MAAACBAPY8ZOHY2yFSJA6XYC9HRwNHxaehvx5wOJ0rzZdzoSOXxbET
W6ToHv8D1UJ/
z+zHo9Fiko5XybZnDIaBDHtblQ+Yp7StxyltHnXF1YLfKD1G4T6JYrdH YI14Om
1eg9e4NnCRleaqoZPF3UGfZia6bXrGTQf3gJq2e7Yisk/gF+1VAAAAFQDb8D5cv
wHWTZDPfX0D2s9Rd7NBvQAAAIEAlN92+Bb7D4KLYk3IwRbXblwXdkPggA4pfdtW9v
GfJ0/RHd+NjB4eo1D+0dix6tXwYGN7PKS5R/FXPNwxHPapcj9uL1Jn2AWQ2dsknf+i/FAA
vioUPkmdMc0zuWoSOEsSNhVDtX3WdvVcGcBq9cetzrtOKWOocJmJ80qadxTRHtUAAACB
AN7CY+KKv1gHpRzFwdQm7HK9bb1LAo2KwaoXnadFgeptNBQeSXG1vO+JsvphVMBJc9HS
n24VYtYtsMu74qXviYjziVucWKjjKEb11juqnF0GDlB3VVmxHLmxnAz643WK42Z7dLM5
sY29ouezv4Xz2PuMch5VGPP+CDqzCM4loWgV
---- END SSH2 PUBLIC KEY ----