Posted by : Christina Evangeline 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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