Dell Force10 S4820T FTOS Command Reference Guide - Page 1472

www.dell.com | support.dell.com Table 52-1. show spanning-tree 0 Command Information Field "Number of..." "Timers" "Times" "Port 1..." "Port path..." "Designated root..." "Designated port..." Description Displays the number of topology changes, the time of the last topology change, and on what interface the topology change occurred. Lists the values for the following bridge timers: hold time, topology change, hello time, max age, and forward delay. List the number of seconds since the last: • hello time • topology change • notification • aging Displays the Interface type slot/port information and the status of the interface (Disabled or Enabled). Displays the path cost, priority, and identifier for the interface. Displays the priority and MAC address of the root bridge of the STG that the interface belongs. Displays the designated port ID Example (brief) Example (guard) FTOS#show span 0 brief Executing IEEE compatible Spanning Tree Protocol Root ID Priority 32768 Address 0001.e800.0a56 Root Bridge hello time 2, max age 20, forward delay 15 Bridge ID Priority 32768, Address 0001.e800.0a56 Configured hello time 2, max age 20, forward delay 15 Interface Designated Name PortID Prio Cost Sts Cost Bridge ID Gi 1/1 8.26 8 4 FWD 0 32768 0001.e800.0a56 Gi 1/2 8.27 8 4 FWD 0 32768 0001.e800.0a56 Gi 1/3 8.28 8 4 FWD 0 32768 0001.e800.0a56 FTOS# PortID -----8.26 8.27 8.28 FTOS#show spanning-tree 0 guard Interface Name Instance Sts Gi 0/1 0 INCON(Root) Gi 0/2 0 LIS Gi 0/3 0 EDS (Shut) Guard type ---------- Rootguard Loopguard Bpduguard Table 52-2. show spanning-tree 0 guard Command Example Information Field Interface Name Instance Description STP interface STP 0 instance 1472 | Spanning Tree Protocol (STP)