How to Configure the New Cisco ASA

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In this article, you will learn How to INTERNET configuration without command - Cisco ASA, so that computers can connect to the internet using the GUI.

The Cisco ASA is installed as a pppoe client to connect to ISP. In most cases it is used between a private Network and the internet.

How to Configure the New Cisco ASA

The article guides pppoe dialing configuration for outside ports on Cisco ASA devices.

Go to "Configuration" > "Device Setup" > "Interfaces", Create a "vpdn" group, here I've called it "INTERNET". 

Configure the outside interface

Supply your username and password, set the authentication method, here I'am using "pap". Tick "store username and password in local flash".

How to Configure the New Cisco ASA

Tick "Obtain default route using PPPoE".

How to Configure the New Cisco ASA

Configure the inside interface

In order for a Cisco ASA interface to work, three things must be configured, the name of the interface, the security level, and the IP address.

How to Configure the New Cisco ASA

Next, configure NAT to allow computers from the internal network to the Internet.

Configure NAT

By default computers in the local network cannot ping outside the internet. To enable ping, follow these steps:

Go to "Configuration" > "Firewall" > "NAT Rules".

How to Configure the New Cisco ASA

Go to "Configuration" > "Firewall" > "Service Policy Rules".

How to Configure the New Cisco ASA

Configure DHCP Service for Inside Interface

Go to "Configuration" > "Device Management" > "DHCP" > "DHCP Server". Create a DHCP address pool.

How to Configure the New Cisco ASA

Do specify the IP addresses of the DNS servers the client will use.

How to Configure the New Cisco ASA

You can now browse the internet using any computer that connects to the internal interface.

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Tags: Cisco Asa