Allied Telesis AT-S80 Guía de usuario Pagina 4

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Contents
4
Chapter 6: Port Mirroring ..............................................................................................................................67
Port Mirroring Overview ....................................................................................................................................68
Configuring Port Mirroring .................................................................................................................................69
Disabling Port Mirroring ....................................................................................................................................71
Chapter 7: Virtual LANs .................................................................................................................................73
VLAN Features ................................................................................................................................................. 74
Increased Performance .............................................................................................................................. 74
Improved Manageability ............................................................................................................................. 74
Increased Security...................................................................................................................................... 74
Types of VLANs..........................................................................................................................................75
Port-based VLAN Overview ..............................................................................................................................76
VLAN Name................................................................................................................................................76
VLAN Identifier ........................................................................................................................................... 76
Untagged Ports...........................................................................................................................................77
Port VLAN Identifier.................................................................................................................................... 77
Guidelines to Creating a Port-based VLAN ................................................................................................77
Drawbacks of Port-based VLANs ...............................................................................................................78
Port-based Example 1 ................................................................................................................................79
Port-based Example 2 ................................................................................................................................80
Tagged VLAN Overview ...................................................................................................................................82
Tagged and Untagged Ports ......................................................................................................................83
Port VLAN Identifier.................................................................................................................................... 83
Guidelines to Creating a Tagged VLAN ..................................................................................................... 83
Tagged VLAN Example ..............................................................................................................................84
Creating a VLAN ...............................................................................................................................................86
Configuring the PVID of Untagged Ports ..........................................................................................................89
Displaying the VLANs ....................................................................................................................................... 92
Modifying a VLAN ............................................................................................................................................. 94
Deleting a VLAN ...............................................................................................................................................96
Chapter 8: Quality of Service (QoS) .............................................................................................................97
QoS Overview ...................................................................................................................................................98
Mapping CoS Priorities to Egress Queues .....................................................................................................101
Changing the Temporary Priority Level of Untagged Traffic ...........................................................................104
Chapter 9: Rapid Spanning Tree Protocol (RSTP) ....................................................................................107
RSTP Overview ..............................................................................................................................................108
Bridge Priority and the Root Bridge .......................................................................................................... 108
Designated Bridge and Designated Port............................................................................................109
Path Costs and Port Costs.................................................................................................................109
Port Priority ........................................................................................................................................110
Hello Time and Bridge Protocol Data Units (BPDUs) ........................................................................111
Point-to-Point and Edge Ports............................................................................................................111
Mixed STP and RSTP Networks ..............................................................................................................113
Rapid Spanning Tree and VLANs ............................................................................................................114
Enabling or Disabling RSTP ...........................................................................................................................115
Configuring the RSTP Bridge Settings............................................................................................................118
Configuring STP Compatibility ..................................................................................................
......................120
Configuring RSTP Port Settings .....................................................................................................................121
Configuring the Basic RSTP Port Settings ............................................................................................... 121
Configuring the Advanced RSTP Port Settings ........................................................................................123
Displaying the RSTP Topology ....................................................................................................................... 126
Chapter 10: 802.1x Port-based Network Access Control .........................................................................129
802.1x Port-based Network Access Control Overview ................................................................................... 130
Authentication Process.............................................................................................................................131
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