Configure stp spanning tree protocol in switches techengineertv. The spanningtree algorithm calculates the best loopfree path throughout a layer 2 network. Configure the ethernet interfaces of pc1, pc2, pc3, and pc4 with the ip address, subnet mask, and gateway indicated in the addressing table at the beginning of the lab. First, the commands for configuring stprstp on the switches are covered. Understanding and configuring spanning tree protocol stp. Understanding and configuring multiple spanning trees cisco. Catalyst 4500 series switch software configuration guide. Configure stp spanning tree protocol in switches youtube.
Understanding stp, understanding system identifiers for bridges in stp or rstp instances, configuring stp on ex series switches cli procedure. Configuring stp protocol techlibrary juniper networks. Mst establishes and maintains additional spanning trees within each mst region. Spanning tree forces redundant data paths into a standby blocked state. However, if you configure additional portbased vlans on an hp device, then each of those vlans on.
The bridge supports both pervlan spanning tree pvst and a single 802. The spanning tree feature cannot be turned off in switches on a perport basis. An ist is the spanning tree that runs in an mst region. This is the mac address of the root switch for vlan 1. Instance 0 is a special instance for a region, known as the ist. Spanning tree defines a tree with a root switch and a loopfree path from the root to all switches in the layer 2 network. Switch15 enableshow spantree 1 vlan 1 spanningtree enabled spanningtree type ieee designated root 00100db17800. This section will show how to configure stprstp and mstp on each of the switches. Second, when redundant loops are planned on a network, stp deals with remediation of network. Dear students, we made an efforts to facilitate the students who are interested in networks and want to practice at home. First, it prevents problems caused by loops on a network. Configuring spanning tree protocol stp ftp directory listing hp. Pvst, rapid spanning tree protocolrstp and multi spanning tree protocol mstp. Spanning tree protocol stp was developed before switches were created in order to deal with an issue that occurred with networks that were implementing network bridges.
Spanning tree protocol stp was developed to prevent the broadcast storms caused by. On each switch, display the spanning tree table with the show spanningtree command. Observe and explain the default behavior of spanning tree protocol stp, 802. Each of these commands configure priority for mst instance 0. Infrastructure devices such as wireless access pointbridges and. Rstp is enabled by default with default settings on all switch ports to prevent layer 2 loops in your network. Cbt nuggets trainer jeremy cioara explains how to configure spanning tree protocol as well as the different types of spanning tree protocols.
Configuration procedure for rstp command description. Spanningtreeinstanceinterfaceshavepriorities36 whatisspanningtreeinstanceinterfacecost. When a switching loop is introduced into the network, a destructive. Switching loops a layer2 switch belongs to only one broadcast domain, and will forward both broadcasts and multicasts out every port but the originating port. Presentation et configuration du protocole spanning tree. Thus, by default each hp device has one spanning tree. This chapter describes how to configure the spanning tree protocol stp on a catalyst 4500 series switch. This chapter describes how to configure the cisco implementation of the ieee 802.