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Cisco ASA: Password Recovery Process

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Image Recovery Using ROMMON mode

If incase ASA system image is lost or got corrupted we can recover it by booting ASA in ROMMON mode and executing following commands please refer above mentioned diagram. Step 1: Make sure you have assigned the right IP address to the PC which has ASA system image and tftp installed. Step 2: Set the following parameters rommon #0> address 10.1.1.254 rommon #1 > server 10.1.1.1 rommon #2> interface GigabitEthernet0/0 GigabitEthernet0/1 MAC Address: 000f. f775.4b54 rommon #3> file asa801 -k8. bin Step 3: Verify your configured parameters in ROMON mode rommon #4> set ROMMON Variable Settings: ADDRESS=10.1.1.254 SERVER=10.1.1.1 PORT=GigabitEthernet0/0 VLAN=untagged IMAGE=asa801-k8. bin CONFIG= rommon #12> set ROMMON Variable Settings: ADDRESS=10.1.1.50 SERVER=10.1.1.1 ------- output omitted for brevity ----- rommon #13> unset ADDRESS ROMMON Variable Settings: ADDRESS=0.0.0.0 SERVER=10.1.1.1 GATEWAY=0.0.0.0 ------- output omitted f...
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ASA TFTP Backup

If you have no backup solution, you can still take backup on your machine by executing single command. But before, there some prerequisite which has be fulfill. 1. TFTP software 2. Configuring ASA For first requirement you can use any freely available. Second you have to make sure, PC on which you are installing tftp you can ping from ASA simply you have connectivity. Than simple execute following command in config mode of ASA: tftp-server peceuplink <tftp-server-ip> /<filename> ASA1(config)#tftp-server inside_.1.1 lan 192.168/ASA001.cfg In above example inside_lan is nameif on inside interface, 192.168.1.1 is tftp server ip and /ASA001.cfg is the file name. Now in order to send copy of running file to tftp server you have excute write net . Make sure on your PC the folder has proper privileges.
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