Filter
Top Products
Field Description
Sts Port state: root-inconsistent (INCON Root), forwarding
(FWD), listening (LIS), blocking (BLK), disabled (DIS), or shut
down (EDS Shut).
Guard Type Types of STP guard configured (Root, Loop, or BPDU guard)
Example (Brief)
Dell#show spanning-tree rstp brief
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 8192, Address 0001.e805.e306
Root Bridge hello time 4, max age 20, forward delay 15
Bridge ID Priority 16384, Address 0001.e801.6aa8
Configured hello time 2, max age 20, forward delay 15
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
---------- ------- --- ------- -------------------- --------
Te 2/0 128.418 128 20000 FWD 20000 16384 0001.e801.6aa8 128.418
Te 2/1 128.419 128 20000 FWD 20000 16384 0001.e801.6aa8 128.419
Te 2/8 128.426 128 20000 FWD 20000 8192 0001.e805.e306 128.130
Te 2/9 128.427 128 20000 BLK 20000 8192 0001.e805.e306 128.131
Interface
Name Role PortID Prio Cost Sts Cost Link-type Edge
----------- ---- ------- --- ------- --------- ----
Te 2/0 Desg 128.418 128 20000 FWD 20000 P2P Yes
Te 2/1 Desg 128.419 128 20000 FWD 20000 P2P Yes
Te 2/8 Root 128.426 128 20000 FWD 20000 P2P No
Te 2/9 Altr 128.427 128 20000 BLK 20000 P2P No
Dell#
Example (EDS,
LBK)
NOTE: “LBK_INC” (bold) means Loopback BPDU Inconsistency.
Dell#show spanning-tree rstp br
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 32768, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15
Bridge ID Priority 32768, Address 0001.e801.6aa8
We are the root
Configured hello time 2, max age 20, forward delay 15
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
- ---- ------- --- ------- -------------------- --------
Te 0/0 128.257 128 20000 EDS 0 32768 0001.e801.6aa8 128.257
Interface
Name Role PortID Prio Cost Sts Cost Link-type Edge
--- ------ -------- ---- ------- --- ------- --------- ----
Te 0/0 ErrDis 128.257 128 20000 EDS 0 P2P No
Dell#show spanning-tree rstp
Root Identifier has priority 32768, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15, max
hops 0
Bridge Identifier has priority 32768, Address 0001.e801.6aa8
Configured hello time 2, max age 20, forward delay 15, max
hops 0
We are the root
Current root has priority 32768, Address 0001.e801.6aa8
Number of topology changes 1, last change occurred 00:00:31
ago on Te 0/0
Rapid Spanning Tree Protocol (RSTP)
1587