Cyber Security Through Technology Risk Management

Assume you are supporting a big datacenter where multiple Access Switches are connected to the core switches or routers and  then tracing a device like a PC or a server for troubleshooting or security purposes is one of those tasks  that you often end up doing. This is not a difficult task but can certainly  a time consuming.

Encapsulation is a kind of  mechanism that transport packets of one type of protocol within another protocol. The protocol that is been carried is called as the Passenger Protocol , and the protocol that is used for carrying the passenger protocol is called as the Transport Protocol .

Every product vendors have their own implementation of NAT and terminologies related to it like " Hide-NAT " is associated with Checkpoint firewall while " MIP, DIP & VIP "are associated with Juniper firewall like wise NAT-Control is associated with Cisco PIX/ASA firewall, it's an Cisco way of NAT implementation and understanding NAT-Control concept is highly crucial if you have to deal with PIX/ASA firewall.

My struggle for installing Cisco ASA on GNS3 lead me to write this procedure which is already floating around in various versions around the internet but this attempt was to write a concise and still informative  procedure to configure Cisco ASA successfully on GNS3. The relevant snapshots will be updated shortly  :-)