xStack Stackable Gigabit Layer 3 Switch Manual
3
Edge Port .......................................................................................................................................................................................71
P2P Port .........................................................................................................................................................................................71
802.1d / 802.1w / 802.1s Compatibility........................................................................................................................................71
STP Bridge Global Settings ................................................................................................................................................................71
MST Configuration Table...................................................................................................................................................................74
MSTP Port Information......................................................................................................................................................................76
STP Instance Settings..........................................................................................................................................................................78
STP Port Settings ................................................................................................................................................................................81
Forwarding & Filtering........................................................................................................................................................................83
Unicast Forwarding.............................................................................................................................................................................83
Static Multicast Forwarding................................................................................................................................................................84
VLANs....................................................................................................................................................................................................85
Understanding IEEE 802.1p Priority..................................................................................................................................................85
VLAN Description..............................................................................................................................................................................85
Notes about VLANs in the xStack Family ....................................................................................................................................85
IEEE 802.1Q VLANs.........................................................................................................................................................................86
802.1Q VLAN Tags.......................................................................................................................................................................87
Port VLAN ID...............................................................................................................................................................................88
Tagging and Untagging.................................................................................................................................................................89
Ingress Filtering.............................................................................................................................................................................89
Default VLANs..............................................................................................................................................................................89
Port-based VLANs.........................................................................................................................................................................90
VLAN Segmentation.....................................................................................................................................................................90
VLAN and Trunk Groups..............................................................................................................................................................90
Protocol VLANs............................................................................................................................................................................91
Static VLAN Entry..............................................................................................................................................................................92
GVRP Settings ....................................................................................................................................................................................95
Traffic Control.......................................................................................................................................................................................98
Port Security.........................................................................................................................................................................................100
Port Lock Entries.................................................................................................................................................................................102
QoS........................................................................................................................................................................................................103
The Advantages of QoS....................................................................................................................................................................103
Understanding QoS...........................................................................................................................................................................104
Bandwidth Control............................................................................................................................................................................104
QoS Scheduling Mechanism.............................................................................................................................................................106
QoS Output Scheduling....................................................................................................................................................................107
Configuring the Combination Queue...........................................................................................................................................107
802.1p Default Priority.....................................................................................................................................................................109
802.1p User Priority..........................................................................................................................................................................110
Traffic Segmentation.........................................................................................................................................................................110
System Log Host.................................................................................................................................................................................111
SNTP Settings......................................................................................................................................................................................114