This can be problematic if youre using static IPs on servers/printers etc.Configure the device BEFORE you plug it into the network! Software Setup - ASDMASDM Adaptive Security Device ManagerGUI configuration utility for the ASA The ASA 5505s internal interface is 192.168.1.1 and it is setup by default to assign 192.168.1.2-254 dynamically. You connect Port 0 (external interface) to the Internet and all other ports are considered (internal interfaces).To begin configuration simply plug Port 0 into the uplink to the Internet and plug your system into any of the remaining Ports 1-7.You many need to ipconfig /release and /renew before you get the correct ip address. Hardware SetupBasically the ASA 5505 by default is a firewall with built in switch. We dont have the Security Plus license so you can not configure full DMZ configuration. Maximum Number and Types of VLANsThe Cisco ASA 5505 comes pre-configured with 2 VLANS.Cisco is basically saying that Port 0 (external interface) is one VLAN, and the remaining ports (internal interfaces) are the second VLAN.You can configure as many as 3 VLANs (internal, external and DMZ)The license determines how many active VLANs you have. It also describes allocating ports for each of the VLANS. Some Terminologåisco states in Chapter 3 of the Getting Started Guide:Grouping ports into logical VLANs on the ASA 5505 enables you to segment large private networks and provide additional protection to critical network segments that may host resources such as servers, corporate computers, and IP phones.This chapter describes the options of deploying the ASA 5505 in a VLAN configuration and how to determine how many VLANs you need. Cisco ASA 5505Joseph CiceroNortheast Wisconsin Technical College
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