Hello everyone,   first of all I want to describe our network topology:   We got two SG550XG switches. One fibre switch which connects to our access layer switches (also cisco) and one copper switch. They're both stacked.   Attached you could find cu...

Hi Everyone,   my school bought recently two SG550xg switches. One Fibre Switch which connects to our access layer switches (also cisco) and one copper switch. They´re both stacked.   When the technician configured the DHCP relay with the following c...