About Ssh; About The Ssh Server Key Pair - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual

SSH Services
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
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About SSH

SSH provides secure communications to the Cisco NX-OS CLI. You can use SSH keys for the following
SSH options:
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About the SSH Server Key Pair

Be sure to have an SSH server key pair with the appropriate version before enabling the SSH service.
Generate the SSH server key pair according to the SSH client version used. The number of bits specified
for each key pair ranges from 768 to 2048.
The SSH service accepts three types of key pairs for use by SSH versions 1 and 2.
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Caution
Cisco MDS 9000 Family Fabric Manager Configuration Guide
39-16
Generating the SSH Server Key Pair, page 39-17
Overwriting a Generated Key Pair, page 39-18
Enabling SSH or Telnet Service, page 39-18
SSH Authentication Using Digital Certificates, page 39-19
SSH1
SSH2, using RSA
SSH2 using DSA
The rsa1 option generates the RSA1 key pair for the SSH version 1 protocol.
The dsa option generates the DSA key pair for the SSH version 2 protocol.
The rsa option generates the RSA key pair for the SSH version 2 protocol.
If you delete all of the SSH keys, you cannot start a new SSH session.
Chapter 39 Configuring Users and Common Roles
OL-17256-03, Cisco MDS NX-OS Release 4.x