Cisco Password 5 Cracker ((better)) -

Network administrators should avoid using Type 5 passwords in modern configurations. The command username <user> secret <password> currently defaults to Type 5 in older IOS versions but should be explicitly set to stronger types in newer versions.

john --cisco cisco_hash.txt

! Force the device to use the stronger Type 9 algorithm username Admin privilege 15 secret 9 <password> cisco password 5 cracker

In Cisco networking devices (routers and switches), passwords are not stored in plaintext within the configuration file. Instead, they are hashed. The "Type 5" designation refers to a specific hashing algorithm used by Cisco IOS to secure passwords. Network administrators should avoid using Type 5 passwords