101Available commands are listed below.E Configure ON/OFF of Spanning Tree Protocol.Press "E." The command prompt changes to "Enable or Disable STP (E/D)>." Enter"E" if you wish to use, or "D" if you don't wish to use, respectively.V Configure an operation mode of Spanning Tree Protocol.Press "V." The command prompt changes to "Set MSTP protocol version (S/R/M)>."Enter "S" if you wish to operate with IEEE802.1D Spanning Tree Protocol, or "R" tooperate with IEEE802.1w Rapid Spanning Tree Protocol, or "M" to operate withMultiple Spanning Tree Protocol, respectively.N Configure a name of MSTI.Press "N." The command prompt changes to "Enter configuration name>." Enteran MSTI name you wish to configure 32 characters or less.R Configure a revision level.Press "R." The command prompt changes to "Enter revision level>." Enter therevision level with a value of 0 to 65535.C Configure CIST setting.Press "C" to open the "CIST Configuration" screen and configure CIST setting.For configuration method, refer to the section (4.7.4.a).B Configure basic setting by port.Press "B" to open the "CIST Basic Port Configuration" screen and configure basicsetting by port. For configuration method, refer to the section (4.7.4.b).A Configure advanced setting by port.Press "A" to open the "CIST Advanced Port Configuration" screen and configureadvanced setting by port. For configuration method, refer to the section (4.7.4.c).T Configure MSTP instance.Press "T" to open the "MSTP Instance Configuration" screen and configure MSTPinstance setting. For configuration method, refer to the section (4.7.4.d).I Display topology information by port.Press "I" to open the "Designated Topology Information" screen and refertopology information by port. For details, refer to the section (4.7.4.g).G Display regional topology information by port.Press "I" to open the "Regional Topology Information" screen and refer regionaltopology information by port. For content of screen, refert to the section (4.7.4.i).Q Return to the previous menu.Note: When STP global status is changed to Enabled, response istemporarily stopped.