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Important Points to Remember
• The system supports 802.1X with EAP-MD5, EAP-OTP, EAP-TLS, EAP-TTLS, PEAPv0, PEAPv1, and MS-
CHAPv2 with PEAP.
• All platforms support only RADIUS as the authentication server.
• If the primary RADIUS server becomes unresponsive, the authenticator begins using a secondary
RADIUS server, if configured.
• 802.1X is not supported on port-channels or port-channel members.
Enabling 802.1X
Enable 802.1X globally.
Figure 6. 802.1X Enabled
1. Enable 802.1X globally.
CONFIGURATION mode
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802.1X