Allied Telesis AT-S79 manual 102

Contents
Chapter 6: Port Mirroring	65
Port Mirroring Overview	66
Configuring Port Mirroring	67
Disabling Port Mirroring	69
Chapter 7: Virtual LANs	71
VLAN Features	72
Increased Performance	72
Improved Manageability	72
Increased Security	72
Types of VLANs	73
Port-based VLAN Overview	74
VLAN Name	74
VLAN Identifier	74
Untagged Ports	75
Port VLAN Identifier	75
Guidelines to Creating a Port-based VLAN	75
Drawbacks of Port-based VLANs	76
Port-based Example 1	77
Port-based Example 2	78
Tagged VLAN Overview	80
Tagged and Untagged Ports	81
Port VLAN Identifier	81
Guidelines to Creating a Tagged VLAN	81
Tagged VLAN Example	82
Creating a VLAN	84
Configuring the PVID of Untagged Ports	87
Displaying the VLANs	89
Modifying a VLAN	91
Deleting a VLAN	93
Chapter 8: Quality of Service (QoS)	95
QoS Overview	96
Mapping CoS Priorities to Egress Queues	99
Configuring CoS	102
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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