Hello, no, can't try serial cause SG200-26 does not have one. Of course, i can try to do a full reset. But the fault has a history. This switch was replaced by RMA 9 months ago.Meanwhile i talked to the seller, my internet provider. He is willing to ...

I have nearly the same problem on a SG 200-26. I can not ping the host, arp is incomplete. But he is still running with a modified configuration (VLANs) and working as expected. No Web Access, no Ping, and a strange arp entry for the switch (192.168....