ASA 5505 Default Configuration

Posted by alex on Sep 28, 2010 in CISCO |

The default factory configuration for the ASA 5505 adaptive security appliance configures the following:

•An inside VLAN 1 interface that includes the Ethernet 0/1 through 0/7 switch ports. If you did not set the IP address in the configure factory-default command, then the VLAN 1 IP address and mask are 192.168.1.1 and 255.255.255.0.
•An outside VLAN 2 interface that includes the Ethernet 0/0 switch port. VLAN 2 derives its IP address using DHCP.
•The default route is also derived from DHCP.
•All inside IP addresses are translated when accessing the outside using interface PAT.
•By default, inside users can access the outside with an access list, and outside users are prevented from accessing the inside.
•The DHCP server is enabled on the security appliance, so a PC connecting to the VLAN 1 interface receives an address between 192.168.1.2 and 192.168.1.254.
•The HTTP server is enabled for ASDM and is accessible to users on the 192.168.1.0 network.

The configuration consists of the following commands:

interface Ethernet 0/0
switchport access vlan 2
no shutdown

interface Ethernet 0/1
switchport access vlan 1
no shutdown

interface Ethernet 0/2
switchport access vlan 1
no shutdown

interface Ethernet 0/3
switchport access vlan 1
no shutdown

interface Ethernet 0/4
switchport access vlan 1
no shutdown

interface Ethernet 0/5
switchport access vlan 1
no shutdown

interface Ethernet 0/6
switchport access vlan 1
no shutdown

interface Ethernet 0/7
switchport access vlan 1
no shutdown

interface vlan2
nameif outside
no shutdown
ip address dhcp setroute

interface vlan1
nameif inside
ip address 192.168.1.1 255.255.255.0
security-level 100
no shutdown

global (outside) 1 interface
nat (inside) 1 0 0
http server enable
http 192.168.1.0 255.255.255.0 inside
dhcpd address 192.168.1.2-192.168.1.254 inside
dhcpd auto_config outside
dhcpd enable inside
logging asdm informational

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