Preface; Topology; Configuration Validation - ZyXEL Communications NXC5500 Troubleshooting Manual

Wlan controller

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Preface

How should we do when the 802.1X authentication failed? There are three phases for you to

find what the problem let the authentication failed is. The check order is configuration, network

and information collection. First, we have to confirm that the configuration are setting correct

and then check the network is no problem. If there is no problem for configuration and network

and the issue still exist, then collect the regarding information for us to realize the symptom as

soon as possible and fix it.

There is an example for wireless station is authenticated by external authenticated server via

NXC5500, which has managed VLAN on NXC5500 is VLAN 1 with IP range 192.168.100.x.

USG100 acts as a DHCP server to assign an IP address to the device. Wireless stations pass

authentication by using AD/LDAP/RADIUS accounts.

There are many authentication failed cause by the error settings, so it is necessary to check the

configuration of NXC correctly when the authentication failed. NXC support three types of

external authenticated server separately are AD, LDAP and Radius.

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