Why cannot my stacking switches connect by DAC cable?
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Zyxel_Melen
Posts: 3,448 
Zyxel Employee
Zyxel Employee
Some users might have stacking switches that cannot connect with a DAC cable. This is because the media type of stacking port is incorrect. Please change to the correct media type to ensure stacking stability.
The configuration path is based on XGS2220 v4.80 patch 2 firmware.
Configuration path:
System > Stacking > Stacking Port Setup
Verification:
Please go to System > Stacking > Stacking Status and check the stacking status.
Zyxel Melen
0
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