Extreme Networks

what is the default username and password for Summit X250e-48t? and what is the procedure for factory reset,incase password is forgotten?

There is physical loop detected on Extremex250e-24t switch,due to this entire network went down at one of our customer site. Is anybody can help me how to block the port if the loop is detected on the switch? So that in future if physical loop detec...

whenever connecting one uplink between cisco 2960 switch to Black diamond then we are not getting communication between both the switches.Is there any STP parameter needs to be set on this?