802.1X is a network access control protocol that restricts access until the device or user is authenticated.
Guest VLAN Configuration:
When hosts fail authentication, they need to be placed in a separate VLAN to provide limited network access.
server-reject-vlan Command:
This command configures a VLAN for unauthenticated devices.
Ensures that devices that fail authentication are placed in a designated guest VLAN.
Configuration Example:
shell
Copy code
set protocols dot1x authenticator interface ge-0/0/1.0 server-reject-vlan guest-vlan
References:
Juniper 802.1X Authentication Configuration Guide
Juniper Guest VLAN Configuration
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