ii 
Configuring Loop Guard ················································································································1-37 
Configuring TC-BPDU Attack Guard ·····························································································1-37 
Configuring Digest Snooping ················································································································1-38 
Introduction····································································································································1-38 
Configuring Digest Snooping·········································································································1-38 
Configuring Rapid Transition ················································································································1-39 
Introduction····································································································································1-39 
Configuring Rapid Transition·········································································································1-41 
STP Maintenance Configuration ···········································································································1-42 
Introduction····································································································································1-42 
Enabling Log/Trap Output for Ports of MSTP Instance·································································1-42 
Configuration Example ··················································································································1-42 
Enabling Trap Messages Conforming to 802.1d Standard···································································1-43 
Displaying and Maintaining MSTP ········································································································1-43 
MSTP Configuration Example···············································································································1-43