When Eth-Trunk is deployed for the heartbeat links between firewalls, the Eth-Trunk interface can be configured as a Layer 2 interface as long as the total bandwidth of active links on the Eth-Trunk is greater than 30% of the bandwidth required by service traffic.
Authentication rules configured on iMaster NCE-Campus support multiple matching conditions, such as matching account information, SSID information, and terminal IP address ranges, so that different authentication rules can be executed for different users.