Use of External Forwarding rules

What is a Forwarding Rule?

In Cloud Computing and specifically focusing on Google Cloud Platform, a Forwarding Rule is set up to allow incoming traffic and direct it from individual ports within a specific range to particular ports on user VM’s on Google Cloud Platform. This range of ports can be opened on the public IP Address by using firewall rules. A Forwarding Rule resource specifies which pool of target virtual machines to forward a packet to if it matches the given [IPAddress, IPProtocol, portRange] tuple. The main application of these...

Forwarding Rule Classification

Depending on the range or the extent of your network, a forwarding rule can be classified as either an Internal forwarding rule or an External forwarding rule. In the context of scope, forwarding rules resources can also be further grouped as Global or Regional....

Difference Between Internal and External Forwarding Rule in GCP

Internal Forwarding Rule External Forwarding Rule It is mainly applied to forward traffic that originates inside a Google Cloud network It is used for forwarding traffic that originates from the internet, outside of your VPC network. For an internal forwarding rule, you need to have the clients in the same Virtual Private Cloud Network as a backend service, or in a connected network For an external forwarding rule, you are allowed to have the clients globally located outside the scope of your VPC network....

Use of Internal Forwarding rules :

Internal Forwarding Rules are used by two types of Google Cloud load balancers:...

Use of External Forwarding rules :

Whereas, External forwarding rules are used by the following Google Cloud load balancers:...

Internal and External Forwarding Rule in GCP- FAQs

What are forwarding rules in GCP?...