stp restore

Switch stp configuration, switch stp Topology Configuration code SW1 --------------------------------------------------- 1. configuration code Sys Vlan 2 Vlan 3 Quit Interface eth-trunk 1 Quit Interface g0/0/1 Eth-trunk 1 Quit Interface g0/0/2 Eth-trunk 1 Quit Interface eth-trunk 1 Port link-type trunk Port trunk allow-pass vlan all Quit Interface g0/0/3 Port link-type trunk Port trunk allow-pass vlan all

RSTP = 802.1wNote The main points: Fast convergence is based on switch-related process synchronization To open a command:-Spanning Tree mode MST-Spanning Tree mode Rapid-pvst The synchronization process only occurs on the peer Non-edge port (the full Duplex,non-edge to have the Bpdu,edge port configured portfast command) Note: If Portfast is not configured on the edge port and the port is full duplex, the host does not reply to agree when it receives the rapid

network will open the inactive blocking port and restore the previously disconnected link, ensure network connectivity. As shown in: data frames that arrive at PC1 from PC0 pass through a loop consisting of three switches in the middle. The STP protocol selects a shortest path for data frames to arrive at pc1. If the STP protocol is computed and it is considered

is generated by the switch that receives the second advantage BPDU configuration. It is sent from the root port to the root bridge to check whether the link to the root or the root is stable. STP protection mechanism BPDUGuard is an STP protection feature to prevent loops in the switching network caused by portfast ports. The portfast port with BPDUguard configured enters the errdisable status when the BPD

The STP (Spanning tree Protocol) is the acronym for the Spanning Tree protocol. This protocol can be used to establish a tree topology in the network, eliminate the loop in the network, and can realize path redundancy through certain methods, but it is not certain that path redundancy can be realized. Spanning tree protocol is suitable for all manufacturers of network equipment, in the configuration and reflect the functional strength of the differenc

Session 1 STPThe STP (Spanning tree Protocol) is the acronym for the Spanning Tree protocol. This protocol can be used to establish a tree topology in the network, eliminate the loop in the network, and can realize path redundancy through certain methods, but it is not certain that path redundancy can be realized. Spanning tree protocol is suitable for all manufacturers of network equipment, in the configuration and reflect the functional strength of

(second step) and the specified port (the third step) has established a loop-free topology map. You can think of this topology diagram as a wheel, the root bridge is the axis, the active non-ring path (vehicle spokes) outward radiation. On a network with stable network conditions, only the root bridge sends BPDUs outward on the network. When the above three steps are completed, the network converges on the loop-free topology, and the other topology changes are handled by the topology Change p

The Spanning Tree Protocol (STP) is an important concept and Technology in switched Ethernet. The purpose of this Protocol is to achieve redundant connections between switches while avoiding the emergence of network loops, achieve high network reliability. It transmits the Bridge Protocol Data Unit (BPDU) between switches to inform each other of information such as the bridge ID, link nature, and root bridge ID of the switch, to determine the root bri

STP (Spanning Tree Protocol) is a layer-2 management protocol that selectively blocks redundant network links to eliminate L2 network loops, it also supports link backup. Like other protocols, the Spanning Tree Protocol is constantly updated with the continuous development of the network. The Spanning Tree Protocol is a broad concept. It does not refer to the STP protocol defined in IEEE 802.1d, but includ

650) this. width = 650; "src =" http://img1.51cto.com/attachment/201309/164626789.jpg "title =" stp.jpg "alt =" 164626789.jpg"/> "Networking requirements 』1. All devices run the Spanning Tree Protocol to generate the Tree Protocol.2. SwitchB is used as the root bridge to block loops in the network and achieve redundant link backup."Switch STP configuration process 』By changing the STP priority of the switch

3.9 advanced STP Configuration Purpose: 1. Master the configuration and principles of Portfast, Uplinkfast, and Backbonefast. 2. Understand STP link convergence. Tutorial topology: 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/06224SF3-0.png "title =" 3.9.png "/> Tutorial steps: 1. Deploy STP Technology Based on the topology in the

Cisco 3550 switch stp learning notes STP (Spanning Tree Protocol) (IEEE 802.1D) Spanning Tree Protocol-review the working principles of SW: 1. the frame it forwards cannot be modified. create a MAC-PORT ing table based on source MAC learning. forward the frames in the target MAC ing table directly from the corresponding port. for frames without target MAC ing/Target wide (Group) broadcasting, SW learns diff

STP (Spanning-tree Protocol, Spanning Tree Protocol), the protocol can be used to establish a tree topology in the network, eliminate loops in the network, and can be achieved through a certain method of path redundancy. 1.1 Problems in a redundant topology650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/5A/17/wKiom1T2W7Gi2-9CAADY8l6k6sQ671.jpg "title=" No redundancy. png "alt=" wkiom1t2w7gi2-9caady8l6k6sq671.jpg "/>Figure 1-1 Topology of a

The Spanning Tree Protocol (Spanning Tree) is a layer-2 management protocol that selectively blocks redundant network links to eliminate L2 loops. It also supports link backup.Like other protocols, the Spanning Tree Protocol is constantly updated with the continuous development of the network. The Spanning Tree Protocol is a broad concept. It does not refer to the STP protocol defined in IEEE 802.1D, but includes