Hi,in a remote site I have already a SG500 28P. Now I want add a second switch,  in stack.I'm not able to find a info if  I can create a stack with the port S1 e S2 with a "normal" ethernet copper cable,  or if I have to use mandatory a Gbic / fiber ...

Dear all,introducing 802.1x authentication, I have the problem to use MAB -  mac adress authentication to a NPS 2012R2 server.The switch is sending the userid and password (the macaddress) with MD5 encryption, but on NPS Eap-Md5 is not supported.Is t...