712 VRRP C ONFIGURATIONVRRP Overview 151Virtual Router Overview 152Introduction to Backup Group 153VRRP Configuration 155Configuring a Virtual Router IP address 155Configuring Backup Group-Related Parameters 156Displaying and Clearing VRRP Information 157VRRP Configuration Example 157Single-VRRP Backup Group Configuration Example 157VRRP Tracking Interface Example 158Multiple-VRRP Backup Group Configuration Example 160Troubleshooting VRRP 16213 MSTP C ONFIGURATIONMSTP Overview 163MSTP Protocol Data Unit 163Basic MSTP Terminologies 164Fundamentals of MSTP 166MSTP Implementation on Switches 168Root Bridge Configuration 168Configuring an MST Region 169Setting the Switch as the Root/Secondary Root Bridge 170Setting the Bridge Priority of a Switch 171Configuring MSTP Operation Mode 172Configuring the Maximum Hop Count of an MST Region 172Configuring the Diameter of a Switched Network 173Configuring MSTP Time Parameters 173Configuring the Timeout Time Factor 175Configuring the Maximum Transmission Speed of a Port 175Setting a Port as an Edge Port 176Specifying whether a Port Connect to Point-to-Point Link 177Enabling MSTP 179Leaf Node Configuration 180Prerequisites 180Configuring an MST Region 180Configuring MSTP Operation Mode 181Configuring the Timeout Time Factor 181Configuring the Maximum Transmission Speed of a Port 181Setting a Port as an Edge Port 181Configuring the Path Cost of a Port 181Configuring the Priority of a Port 183Configuring a Port to Connect to Point-to-Point Link 184Enabling MSTP 184mCheck Configuration 184Prerequisites 184Configuration Procedure 185Configuration Example 185Protection Functions Configuration 185
