How to Know the password of R1 thru a PC DIRECTLY connected to R2

[huliodc]

We have one network, R1 is the main router and R2 is connected to R1 as an extension connected through a utp cable. pc1 is connected to R2. Is it possible to know the password of R1 using PC1?

 

[kerberos_20]

anything is possible, but nobody will answer you on how to get password here