910 BigIron RX Series Configuration Guide53-1001986-01Configuring SSH30Syntax: show ip client-pub-key [| begin | exclude | include]To clear the public keys from the buffers, enter the following command.BigIron RX# clear public-keySyntax: clear public-keyUse the ip ssh pub-key remove command to delete the public key from the system.Enabling DSA challenge-response authenticationDSA challenge-response authentication is enabled by default. You can disable or re-enable itmanually.To enable DSA challenge-response authentication.BigIron RX(config)# ip ssh key-authentication yesTo disable DSA challenge-response authentication.BigIron RX(config)# ip ssh key-authentication noSyntax: ip ssh key-authentication yes | noSetting the number of SSH authentication retriesBy default, the device attempts to negotiate a connection with the connecting host three times. Thenumber of authentication retries can be changed to between 1 – 5.For example, the following command changes the number of authentication retries to 5.BigIron RX(config)# ip ssh authentication-retries 5Syntax: ip ssh authentication-retries Deactivating user authenticationAfter the SSH server on the device negotiates a session key and encryption method with theconnecting client, user authentication takes place. Brocade’s implementation of SSH supports DSAchallenge-response authentication and password authentication.BigIron RX# show ip client-pub-key---- BEGIN SSH2 PUBLIC KEY ----Comment: DSA Public KeyAAAAB3NzaC1kc3MAAACBAPY8ZOHY2yFSJA6XYC9HRwNHxaehvx5wOJ0rzZdzoSOXxbETW6ToHv8D1UJ/z+zHo9Fiko5XybZnDIaBDHtblQ+Yp7StxyltHnXF1YLfKD1G4T6JYrdH YI14Om1eg9e4NnCRleaqoZPF3UGfZia6bXrGTQf3gJq2e7Yisk/gF+1VAAAAFQDb8D5cvwHWTZDPfX0D2s9Rd7NBvQAAAIEAlN92+Bb7D4KLYk3IwRbXblwXdkPggA4pfdtW9vGfJ0/RHd+NjB4eo1D+0dix6tXwYGN7PKS5R/FXPNwxHPapcj9uL1Jn2AWQ2dsknf+i/FAAvioUPkmdMc0zuWoSOEsSNhVDtX3WdvVcGcBq9cetzrtOKWOocJmJ80qadxTRHtUAAACBAN7CY+KKv1gHpRzFwdQm7HK9bb1LAo2KwaoXnadFgeptNBQeSXG1vO+JsvphVMBJc9HSn24VYtYtsMu74qXviYjziVucWKjjKEb11juqnF0GDlB3VVmxHLmxnAz643WK42Z7dLM5sY29ouezv4Xz2PuMch5VGPP+CDqzCM4loWgV---- END SSH2 PUBLIC KEY ----
