Cisco ASA Series Cli Configuration Manual page 513

Chapter 1 Configuring Basic Settings
Step 2
dns server-group DefaultDNS
Example:
hostname(config)# dns server-group
DefaultDNS
Step 3
name-server ip_address [ip_address2]
[...] [ip_address6]
Example:
hostname(config-dns-server-group)#
name-server 10.1.1.5 192.168.1.67
209.165.201.6
http://www.cisco.com/en/US/products/ps6121/products_tech_note09186a0080aaeff5.shtml
Performing Password Recovery
This section includes the following topics:
•
•
Recovering Passwords for the ASA
To recover passwords for the ASA, perform the following steps:
Step 1
Connect to the ASA console port according to the instructions in
Command-Line Interface" section on page 1-2
Interface" section on page
Step 2
Power off the ASA, and then power it on.
Step 3
After startup, press the Escape key when you are prompted to enter ROMMON mode.
Step 4
To update the configuration register value, enter the following command:
rommon #1> confreg 0x41
Update Config Register (0x41) in NVRAM...
Step 5
To set the ASA to ignore the startup configuration, enter the following command:
rommon #1> confreg
The ASA displays the current configuration register value, and asks whether you want to change it:
Current Configuration Register: 0x00000041
Configuration Summary:
boot default image from Flash
ignore system configuration
Do you wish to change this configuration? y/n [n]: y
Step 6
Record the current configuration register value, so you can restore it later.
Step 7
At the prompt, enter Y to change the value.
Recovering Passwords for the ASA, page 1-13
Disabling Password Recovery, page 1-14
1-1.
Specifies the DNS server group that the ASA uses for outgoing
requests.
Other DNS server groups can be configured for VPN tunnel groups.
See the tunnel-group command in the command reference for more
information.
Specifies one or more DNS servers. You can enter all six IP addresses
in the same command, separated by spaces, or you can enter each
command separately. The ASA tries each DNS server in order until
it receives a response.
or the "Accessing the Appliance Command-Line
Cisco ASA Series CLI Configuration Guide
Performing Password Recovery
"Accessing the ASA Services Module
1-13