Reference Guide

808 | Spanning Tree Protocol (STP)
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View only the root information using the show spanning-tree root command (Refer to Figure 46-9) from
EXEC privilege mode.
Figure 46-9. show spanning-tree root Command Example
SNMP Traps for Root Elections and Topology Changes
• Enable SNMP traps for Spanning Tree state changes using the command snmp-server enable traps
stp.
• Enable SNMP traps for RSTP, MSTP, and PVST+ collectively using the command
snmp-server
enable traps xstp.
FTOS#show spanning-tree 0 root
Root ID Priority 32768, Address 0001.e80d.2462
We are the root of the spanning tree
Root Bridge hello time 2, max age 20, forward delay 15
FTOS#