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DES-3550 Fast Ethernet Layer 2 Switch
Forwarding Filtering..........................................................................................................................................................54
Unicast Forwarding ......................................................................................................................................................................... 54
Static Multicast Forwarding............................................................................................................................................................. 54
Multicast Port Filtering.................................................................................................................................................................... 56
VLANs..............................................................................................................................................................................57
Understanding IEEE 802.1p Priority ............................................................................................................................................... 57
VLAN Description........................................................................................................................................................................... 57
Notes About VLANs on the DES-3550...................................................................................................................58
IEEE 802.1Q VLANs...................................................................................................................................................................... 58
802.1Q VLAN Tags.................................................................................................................................................59
Port VLAN ID .........................................................................................................................................................60
Tagging and Untagging............................................................................................................................................60
Ingress Filtering.......................................................................................................................................................61
Default VLANs........................................................................................................................................................61
Port-based VLANs...................................................................................................................................................61
VLAN Segmentation ...............................................................................................................................................62
VLAN and Trunk Groups........................................................................................................................................62
Static VLAN Entry.......................................................................................................................................................................... 62
GVRP Setting.................................................................................................................................................................................. 64
Traffic Control................................................................................................................................................................................. 66
Port Security......................................................................................................................................................................67
QoS....................................................................................................................................................................................69
The Advantages of QoS................................................................................................................................................................... 69
Understanding QoS.......................................................................................................................................................................... 70
Port Bandwidth................................................................................................................................................................................ 71
Scheduling....................................................................................................................................................................................... 73
802.1p Default Priority.................................................................................................................................................................... 74
802.1p User Priority......................................................................................................................................................................... 76
Traffic Segmentation....................................................................................................................................................................... 76
System Log Server........................................................................................................................................................................... 78
SNTP Settings.................................................................................................................................................................................. 80
Current Time Settings..............................................................................................................................................80
Time Zone and DST ................................................................................................................................................81
Access Profile Table..........................................................................................................................................................83
Configuring the Access Profile Table.............................................................................................................................................. 83
PAE Access Entity (802.1X).............................................................................................................................................96
802.1x Port-Based and MAC-Based Access Control....................................................................................................................... 96
Authentication Server ..............................................................................................................................................97
Authenticator ...........................................................................................................................................................98
Client........................................................................................................................................................................99
Authentication Process .................................................................................................................................................................... 99
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