Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.4 - Page 1494
Example Brief, Usage Information, Interface Name, Instance, Guard Type, Example Guard
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Designated root has priority 32768, address 0001.e800.0a56 Designated bridge has priority 32768, address 0001.e800.0a56 Designated port id is 8.26, designated path cost 0 Timers: message age 0, forward_delay 0, hold 0 Number of transitions to forwarding state 1 BPDU: sent:18, received 0 The port is not in the portfast mode Port 27 (GigabitEthernet 1/2) is Forwarding Port path cost 4, Port priority 8, Port Identifier 8.27 Designated root has priority 32768, address 0001.e800.0a56 Designated bridge has priority 32768, address 0001.e800.0a56 Designated port id is 8.27, designated path cost 0 Timers: message age 0, forward_delay 0, hold 0 Number of transitions to forwarding state 1 BPDU: sent:18, received 0 The port is not in the portfast mode Port 28 (GigabitEthernet 1/3) is Forwarding Port path cost 4, Port priority 8, Port Identifier 8.28 Designated root has priority 32768, address 0001.e800.0a56 Designated bridge has priority 32768, address 0001.e800.0a56 Designated port id is 8.28, designated path cost 0 Timers: message age 0, forward_delay 0, hold 0 Number of transitions to forwarding state 1 BPDU: sent:31, received 0 The port is not in the portfast mode DellEMC# Example (Brief) DellEMC# 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 PortID Gi 1/1 8.26 8 4 FWD 0 32768 0001.e800.0a56 8.26 Gi 1/2 8.27 8 4 FWD 0 32768 0001.e800.0a56 8.27 Gi 1/3 8.28 8 4 FWD 0 32768 0001.e800.0a56 8.28 DellEMC# Usage Information The following describes the show spanning-tree 0 guard command shown in the example. Field Description Interface Name STP interface. Instance STP 0 instance. Sts Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS), blocking (BLK), or shut down (EDS Shut). Guard Type Type of STP guard configured (Root, Loop, or BPDU guard). Example (Guard) DellEMC#show spanning-tree 0 guard Interface Name Instance Sts Guard type Gi 1/1 0 INCON(Root) Rootguard Gi 1/2 0 LIS Loopguard Gi 1/3 0 EDS (Shut) Bpduguard 1494 Spanning Tree Protocol (STP)
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