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Perform the following steps t troubleshoot: a) Checking whether the ESW version is the latest b) Connecting a PC or laptop to the port of the ESW, then ping 'iotsvr-as(or eu, this based on your location).ruijienetworks.com' on that PC or lapto to check whether it can ping normally. c) Checking whether the UDP 6683 5683 7683 ports were allowed in the network d) Reset device e) Analyzing by capturing packets (it needs to ping iotsvr-as.ruijienetworks.com or iotsvr-as.ruijienetworks.com) 1) Checking whether the packet captured on the upstream device of the ES includes port 5683 2) This is the one packet that captured in the test.  If the problem is still unsolvable, you may start a Live Chat with our Support Engineer for assistance: Ruijie Support |
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