2009/03/20

cisco asa 5505 設定

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Step 1 Locate an RJ-45 to RJ-45 Ethernet cable. 

Step 2 Connect one end of the Ethernet cable to an Ethernet port (ports 0 through 7), as shown in Figure 4-2. (Typically Ethernet port 0 is used to connect to an Internet router.)
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Step 1 Make sure that the speed of the PC interface to be connected to one of the ASA 5505 inside ports is set to autonegotiate. This setting provides the best performance. 

By default, the ASA 5505 automatically negotiates the inside interface speed. If autonegotiate is not an option for the PC interface, set the speed to either 10 or 100 Mbps half duplex. Do not set the interface to full duplex; this causes a duplex mismatch that significantly impacts the total throughput capabilities of the interface. 

Step 2 Configure the PC to use DHCP (to receive an IP address automatically from the ASA 5505), which enables the PC to communicate with the ASA 5505 and the Internet as well as to run ASDM for configuration and management tasks. 

Alternatively, you can assign a static IP address to your PC by selecting an address in the 192.168.1.0 subnet. (Valid addresses are 192.168.1.2 through 192.168.1.254, with a mask of 255.255.255.0 and default route of 192.168.1.1.) 

When you connect other devices to any of the inside ports, make sure that they do not have the same IP address. 


Note The MGMT interface of the adaptive security appliance is assigned 192.168.1.1 by default, so this address is unavailable. 

Step 3 Use an Ethernet cable to connect the PC to a switched inside port on the rear panel of the ASA 5505 (one of the ports numbered 1 through 7). 

Step 4 Check the LINK LED to verify that the PC has basic connectivity to the ASA 5505. 

When connectivity is established, the LINK LED on the front panel of the ASA 5505 lights up solid green.