Product Manual
Page 371
... Use uppercase format, the RADIUS authentication username will be formatted as delimiter, the format is : AABBCC.DDEEFF. 2 - Use ":" as : AA-BB-CC-DD-EE-FF. Delimiter Number Use the drop-down menu to Enabled and clicking Apply. Single delimiter, the format is : AA:BB:CC:DD... is : AA.BB.CC.DD.EE.FF. The port can be locked such that the current source MAC addresses entered into the MAC address forwarding table cannot be changed once the port lock is enabled. Uppercase - Use "." Colon - xStack® DGS-3620 Series Managed Switch Web UI Reference Guide...
... Use uppercase format, the RADIUS authentication username will be formatted as delimiter, the format is : AABBCC.DDEEFF. 2 - Use ":" as : AA-BB-CC-DD-EE-FF. Delimiter Number Use the drop-down menu to Enabled and clicking Apply. Single delimiter, the format is : AA:BB:CC:DD... is : AA.BB.CC.DD.EE.FF. The port can be locked such that the current source MAC addresses entered into the MAC address forwarding table cannot be changed once the port lock is enabled. Uppercase - Use "." Colon - xStack® DGS-3620 Series Managed Switch Web UI Reference Guide...