How to configure DHCP relay in VSX Mode with Check Point R75.40VS and higher on the X-Series
Last Updated May 13, 2017
The goal is to enable DHCP relay functionality in one or more VS (Virtual systems) running Check Point VSX R75.40VS and higher.
Please note the following exception: With Check Point R77, DHCP Relay does not function in VSX mode installations. See the following Known Anomaly in the Check Point R77 for XOS Release Notes:
ID 102118 DHCP Relay does not function in VSX mode installations. Workaround: Contact Check Point Customer Support for a patch to resolve this issue.
1. In CLI, add the following DHCP-related flow rules to the relevant VAP group. These rules cover both client-to-server and server-to-client traffic directions. You may need to adjust the "priority" value to make sure there is no conflict with existing flow rules: