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Hello, We are trying to use NetworkManager to handle connections on a wired network with authentication via 802.1X and a special configuration but we can't manage to make it work. All ports of the switches where the clients are connecting are configured in general mode, allowing traffic from different vlans, and also untagged traffic. If we use a Windows host on that port, everything works perfectly, the authentication to the radius server works fine and the machine receive the traffic as expected.
The problem is that when connecting a linux to the network the machine authenticates correctly and radius assign the vlan to the port, then the machine gets the traffic tagged with the vlan, but Network Manager does not seem to pick it
up and bring up a vlan sub-interface to handle that traffic. If we bring it up manually using ifup eth0.vlan_number, it works We assume that the Switch sends the same traffic to both the Windows and the Linux, but the network stack is managing it differently. Is there any configuration that we are missing on the network manager to make it work? Is this kind of
setup supported? Thanks, Andreu Gallofré
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