Step 1: Create a domain-name.
2651-3(config)#ip domain-name cyruslab.com
Step 2: Generate RSA key.
2651-3(config)#crypto key generate rsa general-keys modulus 1024
Step 3: Create local username database.
2651-3(config)#username cyrus secret 0 cyrus
Step 4:Configure vty login.
2651-3(config)#line vty 0 15
2651-3(config-line)#login local
Test from another router.
2651-4#ssh -l cyrus 10.0.0.1
2651-3>en
Password:
cyruslab 