17.3.5 Configuring Port Priority .............................................................................17-21
17.3.6 Configuring Path Cost of the Port ..............................................................17-22
17.3.7 Configuring Default Calculation Method of Path Cost (path cost method) 17-23
17.3.8 Configuring Hello Time ...............................................................................17-24
17.3.9 Configuring Forward-Delay Time ...............................................................17-24
17.3.10 Configuring Max-Age Time ........................................................................17-25
17.3.11 Configuring Tx-Hold-Count ........................................................................17-25
17.3.12 Configuring Link-type .................................................................................17-26
17.3.13 Configuring Protocol Migration Processing ................................................17-27
17.3.14 Configuring MSTP Region .........................................................................17-27
17.3.15 Configuring Maximum-Hop Count..............................................................17-28
17.4 Configuring Optional Features of MSTP ................................................................................17-29
17.4.1 Default Setting of Optional Features for Spanning Tree ............................17-29
17.4.2 Enabling Port Fast .....................................................................................17-29
17.4.3 Enabling BPDU Guard ...............................................................................17-30
17.4.4 Enabling BPDU Filter .................................................................................17-30
17.4.5 Enabling Tc_Protection ..............................................................................17-31
17.4.6 Enabling TC Guard ....................................................................................17-31
17.4.7 Enabling the BPDU source MAC check .....................................................17-32
17.4.8 Disabling the Automatic Identification of Edge Ports .................................17-33
17.5 Showing MSTP Configuration and Status ..............................................................................17-33
18 SPAN Configuration .......................................................................................................................... 18-1
18.1 Overview ..................................................................................................................................18-1
18.1.1 Understanding SPAN ...................................................................................18-1
18.1.2 Precautions ..................................................................................................18-1
18.2 SPAN Concepts and Terms .....................................................................................................18-2
18.2.1 SPAN Session ..............................................................................................18-2
18.2.2 Frame Type ..................................................................................................18-2
18.2.3 Source Port ..................................................................................................18-3
18.2.4 Destination Port ...........................................................................................18-3
18.2.5 SPAN Traffic .................................................................................................18-3
18.2.6 Interfaces between the SPAN and Other Functions ....................................18-3
18.2.7 Configuring SPAN ........................................................................................18-3
18.2.8 SPAN Configuration Guide ..........................................................................18-4
18.2.9 Creating a SPAN Session and Specifying the Monitoring Port and Monitored
Port 18-4
18.2.10 Deleting a Port from the SPAN Session.......................................................18-5
18.3 Showing the SPAN Status ........................................................................................................18-6