Operation Manual – MSTPH3C S7500 Series Ethernet Switches Table of Contentsii1.5.3 BPDU Guard Configuration................................................................................... 1-321.5.4 Root Guard Configuration ..................................................................................... 1-331.5.5 Loop Guard Configuration..................................................................................... 1-331.5.6 TC-BPDU Attack Guard Configuration.................................................................. 1-341.6 Digest Snooping Configuration ........................................................................................ 1-341.6.1 Introduction............................................................................................................ 1-341.6.2 Digest Snooping Configuration ............................................................................. 1-351.7 Rapid Transition Configuration ........................................................................................ 1-361.7.1 Introduction............................................................................................................ 1-361.7.2 Rapid Transition Configuration.............................................................................. 1-381.8 VLAN-VPN Tunnel Configuration .................................................................................... 1-391.8.1 Introduction............................................................................................................ 1-391.8.2 VLAN-VPN Tunnel Configuration.......................................................................... 1-401.9 Displaying and Debugging MSTP.................................................................................... 1-411.10 MSTP Configuration Example ....................................................................................... 1-411.11 VLAN-VPN Tunnel Configuration Example ................................................................... 1-43