User manual

xStack DGS/DXS-3300 Series Layer 3 Stackable Gigabit Ethernet Switch User Manual
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P2P Port...................................................................................................................................................................................... 58
802.1d / 802.1w / 802.1s Compatibility...................................................................................................................................... 58
STP Bridge Global Settings............................................................................................................................................................. 59
MST Configuration Table................................................................................................................................................................ 61
MSTP Port Information ................................................................................................................................................................... 64
STP Instance Settings ...................................................................................................................................................................... 65
STP Port Settings............................................................................................................................................................................. 68
Forwarding & Filtering .....................................................................................................................................................70
Unicast Forwarding ......................................................................................................................................................................... 70
Multicast Forwarding....................................................................................................................................................................... 71
VLANs ..............................................................................................................................................................................72
Understanding IEEE 802.1p Priority ............................................................................................................................................... 72
VLAN Description........................................................................................................................................................................... 72
Notes about VLANs in the xStack DGS/DXS-3300 Series........................................................................................................ 72
IEEE 802.1Q VLANs ...................................................................................................................................................................... 73
802.1Q VLAN Tags ................................................................................................................................................................... 74
Port VLAN ID............................................................................................................................................................................ 75
Tagging and Untagging .............................................................................................................................................................. 75
Ingress Filtering.......................................................................................................................................................................... 75
Default VLANs .......................................................................................................................................................................... 76
Port-based VLANs ..................................................................................................................................................................... 76
VLAN Segmentation.................................................................................................................................................................. 76
VLAN and Trunk Groups........................................................................................................................................................... 77
Protocol VLANs......................................................................................................................................................................... 77
Static VLAN Entry .......................................................................................................................................................................... 78
GVRP Settings................................................................................................................................................................................. 82
Traffic Control...................................................................................................................................................................84
Port Security......................................................................................................................................................................85
Port Lock Entries...............................................................................................................................................................86
QoS....................................................................................................................................................................................87
The Advantages of QoS................................................................................................................................................................... 87
Understanding QoS.......................................................................................................................................................................... 88
Bandwidth Control........................................................................................................................................................................... 89
QoS Scheduling Mechanism............................................................................................................................................................ 90
QoS Output Scheduling ................................................................................................................................................................... 91
Configuring the Combination Queue.......................................................................................................................................... 92
802.1p Default Priority .................................................................................................................................................................... 93
802.1p User Priority......................................................................................................................................................................... 94
Traffic Segmentation ....................................................................................................................................................................... 94
System Log Host ...............................................................................................................................................................96
SNTP Settings ...................................................................................................................................................................98
Time Settings.............................................................................................................................................................................. 98