User`s guide

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If a client that does not support 802.1X is connected to an unauthorized 802.1X port,
the switch requests the client's identity. In this situation, the client does not respond to
the request, the port remains in the unauthorized state, and the client is not granted
access to the network.
In contrast, when an 802.1X-enabled client connects to a port that is not running the
802.1X protocol, the client initiates the authentication process by sending the
EAPOL-start frame. When no response is received, the client sends the request for a
fixed number of times. Because no response is received, the client begins sending
frames as if the port is in the authorized state
If the client is successfully authenticated (receives an Accept frame from the
authentication server), the port state changes to authorized, and all frames from the
authenticated client are allowed through the port. If the authentication fails, the port
remains in the unauthorized state, but authentication can be retried. If the
authentication server cannot be reached, the switch can retransmit the request. If no
response is received from the server after the specified number of attempts,
authentication fails, and network access is not granted.
When a client logs off, it sends an EAPOL-logoff message, causing the switch port to
transition to the unauthorized state.
If the link state of a port transitions from up to down, or if an EAPOL-logoff frame is
received, the port returns to the unauthorized state.
2.4.2.2 802.1X Configuration
This switch has two 802.1X Mode: Radius Server & Local Authenticate, choose one
you need
Local Authenticate — In this situation, do not need Radius server in the network,
all authentication completed by 802.1x Switch，the normal topologies as below
Figure 2-43
1. Enter “
““
“ 802.1X Port Status Configuration ”
””
” , there are 3“Authenticate
authorization” states