switch>(enable) set spantree backbonefast Commands to Use for Troubleshooting The Configuration： show spantree vlan_id – Shows the current state of the spanning tree for the ”vlan_id” entered from the perspective of the switch on which it is entered. show spantree summary – Provides a summary of connected spanning tree ports by VLAN. show spantree statistics [...]
Posts Tagged ‘STP’
December 2nd, 2008 - 2:24 am ≡ by admin ≡ in CCNP
Chapter $ 3 STP
I. STP introduce Spanning-Tree Protocol (STP) is a Layer 2 (L2) protocol designed to run on bridges and switches. The specification for STP is called 802.1d. The main purpose of STP is to ensure that you do not run into a loop situation when you have redundant paths in your network. Loops are deadly to [...]