DGS-3024 Gigabit Ethernet Switch Manual 
 
Unicast Forwarding............................................................................................................................................................ 48
 
Multicast Forwarding ......................................................................................................................................................... 48 
VLANs.................................................................................................................................................................................... 49 
Understanding IEEE 802.1p Priority .............................................................................................................................. 49 
VLAN Description.......................................................................................................................................................... 50 
Notes About VLANs on the DGS-3024.......................................................................................................................... 50 
IEEE 802.1Q VLANs...................................................................................................................................................... 50 
802.1Q VLAN Tags........................................................................................................................................................ 52 
Port VLAN ID................................................................................................................................................................. 53 
Tagging and Untagging................................................................................................................................................... 54 
Ingress Filtering .............................................................................................................................................................. 54 
Default VLANs............................................................................................................................................................... 55 
VLAN and Trunk Groups ............................................................................................................................................... 55 
Static VLAN Entry............................................................................................................................................................... 55 
8021Q Port Settings............................................................................................................................................................ 57 
SNTP Settings........................................................................................................................................................................ 59 
Time Setting ........................................................................................................................................................................ 59 
Time Zone and DST............................................................................................................................................................. 61 
QoS......................................................................................................................................................................................... 63 
Advantages of QoS.......................................................................................................................................................... 63 
Understanding QoS......................................................................................................................................................... 63 
Traffic Control .................................................................................................................................................................... 65 
802.1p Default Priority....................................................................................................................................................... 66 
802.1p User Priority ........................................................................................................................................................... 67 
QoS Scheduling Mechanism................................................................................................................................................ 68 
QoS Output Scheduling....................................................................................................................................................... 69 
MAC Notification.................................................................................................................................................................. 69 
MAC Notification Global Settings....................................................................................................................................... 69 
MAC Notification Port Settings........................................................................................................................................... 70 
System Log Server................................................................................................................................................................. 72 
Port Access Entity................................................................................................................................................................. 74 
802.1x Port-Based Access Control.................................................................................................................................. 74 
Authentication Server...................................................................................................................................................... 74 
Authenticator................................................................................................................................................................... 75 
Client............................................................................................................................................................................... 76 
Authentication Process.................................................................................................................................................... 76 
Port-Based Network Access Control............................................................................................................................... 76 
Configure Authenticator ..................................................................................................................................................... 77 
Local users.......................................................................................................................................................................... 80 
802.1x Capability Settings .................................................................................................................................................. 80 
Initialize Port(s)............................................................................................................................................................... 82 
v