Authenticating multiple hosts connected to the same port

ICX devices support 802.1X authentication for ports with more than one host connected to them. The following figure illustrates a sample configuration where multiple hosts are connected to a single port.

Figure 1. Multiple hosts connected to a single 802.1X-enabled port

If multiple hosts are connected to a single 802.1X- or or MAC authentication-enabled port, the ICX device authenticates each of them individually. Each host authentication status is independent of the others, so that if one authenticated host disconnects from the network, it has no effect on the authentication status of any of the other authenticated hosts.

By default, traffic from hosts that cannot be authenticated by the RADIUS server is dropped in hardware. As an option, you can configure the ICX device to assign the port to a "restricted" VLAN if authentication of the client is unsuccessful.