Add IOS From Rommon

Add IOS From Rommon

1. ensure valid IOS MD5 checker
2. enable tftp server, set the tftp server (browse and server ip)
3. adjust the IP server instance: (192.168.1.1/24) with an IP router (192.168.1.2/24)

4. enter rommon, input command
rommon> IP_ADDRESS = 192.168.1.2
rommon> DEFAULT_GATEWAY = 192.168.1.1
rommon> TFTP_SERVER = 192.168.1.1
rommon> TFTP_FILE = c2801-mz.124-entbasek9-22.YB6.bin
rommon> IP_SUBNET_MASK = 255.255.255.0
rommon> BOOT = flash: c2801-entbasek9-mz.124-22.YB6.bin

5. check with command
rommon> set

6. connectkan server to the router with an ethernet cable to the port fe0 / 0
7. input command
rommon> tftpdnld