Dear all,   3 switches SX500-XG are linked through a fiber optical modules without make a loop.   From many weeks a STP Warning (See bellow) comes. It doesn't matter for 90% of network device connected on 2 switches but for 5% of them, it makes some ...

Hi,I have 3 network switches, SG550XG-48T, SG550XG-24T and SG550XG-8F8T. The two first are configured and stacked together. The 3rd, SG550XG-8F8T doesn't want to boot in normal mode. I can't access it via its Web page and I can't ping its default ip ...