Contents

C H A P T E R 1 0

C H A P T E R 1 1

C H A P T E R 1 2

Specifying the Link Type 111

 

 

 

 

Restarting the Protocol

111

 

 

 

 

Verifying MST Configurations 112

 

 

 

 

Configuring STP Extensions

113

 

 

 

 

About STP Extensions 113

 

 

 

 

Information About STP Extensions

113

 

Understanding STP Port Types

113

 

Spanning Tree Edge Ports

113

 

Spanning Tree Network Ports

114

 

Spanning Tree Normal Ports

114

 

Understanding Bridge Assurance

114

 

Understanding BPDU Guard 114

 

 

Understanding BPDU Filtering

115

 

Understanding Loop Guard

116

 

 

 

Understanding Root Guard

116

 

 

 

Configuring STP Extensions 117

 

 

 

STP Extensions Configuration Guidelines 117

 

Configuring Spanning Tree Port Types Globally

117

Configuring Spanning Tree Edge Ports on Specified Interfaces 118

Configuring Spanning Tree Network Ports on Specified Interfaces 119

Enabling BPDU Guard Globally

120

 

Enabling BPDU Guard on Specified Interfaces 121

Enabling BPDU Filtering Globally 122

 

Enabling BPDU Filtering on Specified Interfaces

123

Enabling Loop Guard Globally

124

 

Enabling Loop Guard or Root Guard on Specified Interfaces 124 Verifying STP Extension Configuration 125

Configuring LLDP 127

Configuring Global LLDP Commands 127

Configuring Interface LLDP Commands 129

Configuring the MAC Address Table 131

Information About MAC Addresses 131

Cisco Nexus 3000 NX-OS Layer 2 Switching Configuration Guide, Release 5.0(3)U3(1)

OL-26590-01

ix

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Cisco Systems N3KC3064TFAL3, N3KC3048TP1GE manual Configuring Lldp