Configuring DHCP Traffic Flow using a Masquerade Firewall Rule

Configuring DHCP Traffic Flow using a Masquerade Firewall Rule

Overview

This article is for creating a firewall rule to masquerade all packet from the DHCP subnet where
the output interface is the one connected to the internet.

Setup the Masquerade: 


From the Web UI:
- Click on the Security icon and select NAT from the menu bar 

- Click on the POSTROUTING with IPv4 

 

- Next click on ADD 

 

- Change the Target drop down to MASQUERADE 

- Add the SourceIP/Mask (which is the subnet of the DHCP Network) 

- Make sure that the Destination IP/Mask is 0.0.0.0 if you want to allow all traffic out to the internet

- Make sure to select the correct Output interface (that you want traffic to flow out of) 

 


- The POSTROUTING should look something like this: