Posted by : Anonymous Monday, 29 June 2015

Enable SSH in Switch And Router

Assuming the IP address, enable password and default route are in place, the additional steps needed are as follows:

1. Configure a domain name
cisco(config)# ip domain-name

2. Configure the RSA key generation for encryption
cisco(config)# crypto key generate rsa
* it may prompt user for the key length generated in the range of 360 to 2048. Default is 512-bit.

3. Configure authentication method
a) Using local database
cisco(config)# username cisco password cisco


b) Using Radius server
cisco(config)# aaa new-model
cisco(config)# aaa authentication login Radius_Server group radius
cisco(config)# radius-server host

4. Configure the terminal line
cisco(config)# line vty 0 4
cisco(config-line)# login local                                            // using local database


cisco(config-line)# login authentication Radius_Server          //using radius server
cisco(config-line)# transport input ssh

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