HP Cisco MDS 9120 Cisco Nexus 5000 Series Command Reference Release 4.0(1a)N2( - Page 463

Chapter 6 Security Commands Send comments to [email protected] ssh key ssh key To create a Secure Shell (SSH) server key, use the ssh key command. To remove the SSH server key, use the no form of this command. ssh key {dsa [force] | rsa [length [force]]} no ssh key [dsa | rsa] Syntax Description dsa force rsa length Specifies the Digital System Algrorithm (DSA) SSH server key. (Optional) Forces the generation of a DSA SSH key even if previous ones are present. Specifies the Rivest, Shamir, and Adelman (RSA) public-key cryptography SSH server key. (Optional) Number of bits to use when creating the SSH server key. The range is from 768 to 2048. Command Default 1024-bit length. Command Modes Configuration mode Command History Release 4.0(0)N1(1a) Modification This command was introduced. Usage Guidelines The Cisco NX-OS software supports SSH version 2. If you want to remove or replace an SSH server key, you must first disable the SSH server using the no ssh server enable command. Examples This example shows how to create an SSH server key using RSA with the default key length: switch(config)# ssh key rsa This example shows how to create an SSH server key using RSA with a specified key length: switch(config)# ssh key rsa 768 This example shows how to replace an SSH server key using DSA with the force option: switch(config)# no ssh server enable switch(config)# ssh key dsa force switch(config)# ssh server enable OL-16599-01 Cisco Nexus 5000 Series Command Reference 6-129