► Each Cisco router has it’s own rommon password that is determined by the cookie. So next we need to calculate the password
rommon 1 > cookie
cookie:
00 01 78 11 2a bc 7f c9 ff 73 af 18 50 12 00 20
25 11 89 64 b0 ff 01 02 09 ff ff ff ff ff 00 02
► Enter the values in pairs of two number,
in this case:
First hex quartet: 0001
Second hex quartet: 7811
Third hex quartet: 2abc
Fourth hex quartet: 7fc9
Fifth hex quartet: ff73
send form and return the password is only four characters: 220A