Chapter 56 Troubleshooting
Device HA is not working.
•You may need to disable STP (Spanning Tree Protocol).
•The master and its backups must all use the same device HA mode (either
•Configure a static IP address for each interface that you will have device HA monitor.
•Configure a separate management IP address for each interface. You can use it to access the ZyWALL for management whether the ZyWALL is the master or a backup. The management IP address should be in the same subnet as the interface IP address.
•Enable monitoring for the same interfaces on the master and backup ZyWALLs.
•Each monitored interface must have a static IP address and be connected to the same subnet as the corresponding interface on the backup or master ZyWALL.
•If you have multiple ZyWALL virtual routers on your network, use a different cluster ID to identify each virtual router. There can only be one master ZyWALL in each virtual router (same cluster ID).
A broadcast storm results when I turn on Device HA.
Do not connect the bridge interfaces on two ZyWALLs without device HA activated on both. Either activate device HA before connecting the bridge interfaces or disable the bridge interfaces, connect the bridge interfaces, activate device HA, and finally reactivate the bridge interfaces.
I cannot get the RADIUS server to authenticate the ZyWALL‘s default admin account.
The default admin account is always authenticated locally, regardless of the authentication method setting. (See Chapter 44 on page 749 for more information about authentication methods.)
The ZyWALL fails to authentication the
An external server such as AD, LDAP or RADIUS must authenticate the
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