The captive portal feature of Pfsense which provides the security to the network by means of username and password entered on the portal, in our case it was the captive portal vouchers which provided the access to the internet, some of the boxes were allowed to bypass the portal by means of Pass-thru MAC was not behaving in the way it was suppose to i.e by simply logging on to the network the boxes(allowed using Pass thru MAC) will be able to access the network, instead it was asking for voucher.

Reason
Even though the deployment was meant for small network which included various wifi routers acting only as access point. One of the access point namely universal WiFi Internet adapter (WNCE2001) which inturn was connected to a switch was giving out its MAC address to the pfsense router instead of each machine's MAC id connected to the switch

The screenshot of the Netgear web interface showing the ip address and the MAC id of the device

Screenshot of the PFSense where the machines namely ranjit-build and NPRIYA1 are connected via switch to netgear which inturn gets connected to the router. One can see that the MAC id is same so the Pass thru MAC is not working in PFsense



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