Configure the device BEFORE you plug it into the network!.This can be problematic if you’re using static IP’s on servers/printers etc. The ASA 5505’s internal interface is 192.168.1.1 and it is setup by default to assign 192.168.1.2-254 dynamically.ASDM – Adaptive Security Device Manager.You many need to ipconfig /release and /renew before you get the correct ip address.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 connect Port 0 (external interface) to the “Internet” and all other ports are considered (internal interfaces). Basically the ASA 5505 by default is a firewall with built in switch.We don’t have the Security Plus license so you can not configure full DMZ configuration. The license determines how many active VLANs you have.You can configure as many as 3 VLANs (internal, external and DMZ).Cisco is basically saying that Port 0 (external interface) is one VLAN, and the remaining ports (internal interfaces) are the second VLAN.The Cisco ASA 5505 comes pre-configured with 2 VLANS.It also describes allocating ports for each of the VLANS.

This chapter describes the options of deploying the ASA 5505 in a VLAN configuration and how to determine how many VLANs you need.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.

Cisco states in Chapter 3 of the Getting Started Guide:.

Cisco ASA 5505 Joseph Cicero Northeast Wisconsin Technical College

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