Understanding and configuring multiple spanning trees cisco. Thus, by default each hp device has one spanning tree. 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. Rstp is enabled by default with default settings on all switch ports to prevent layer 2 loops in your network. This chapter describes how to configure the cisco implementation of the ieee 802. The spanning tree feature cannot be turned off in switches on a perport basis. Observe and explain the default behavior of spanning tree protocol stp, 802. This chapter describes how to configure the spanning tree protocol stp on a catalyst 4500 series switch. Cbt nuggets trainer jeremy cioara explains how to configure spanning tree protocol as well as the different types of spanning tree protocols.
Dear students, we made an efforts to facilitate the students who are interested in networks and want to practice at home. 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. Mst establishes and maintains additional spanning trees within each mst region. Spanningtreeinstanceinterfaceshavepriorities36 whatisspanningtreeinstanceinterfacecost. The bridge supports both pervlan spanning tree pvst and a single 802. The spanningtree algorithm calculates the best loopfree path throughout a layer 2 network. 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. Infrastructure devices such as wireless access pointbridges and.
Understanding and configuring spanning tree protocol stp. When a switching loop is introduced into the network, a destructive. Understanding stp, understanding system identifiers for bridges in stp or rstp instances, configuring stp on ex series switches cli procedure. Second, when redundant loops are planned on a network, stp deals with remediation of network. Configuring stp protocol techlibrary juniper networks. Configure stp spanning tree protocol in switches techengineertv. Configuring spanning tree protocol stp ftp directory listing hp. Each of these commands configure priority for mst instance 0. Catalyst 4500 series switch software configuration guide. Switch15 enableshow spantree 1 vlan 1 spanningtree enabled spanningtree type ieee designated root 00100db17800.
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. This is the mac address of the root switch for vlan 1. Configuration procedure for rstp command description. First, the commands for configuring stprstp on the switches are covered. On each switch, display the spanning tree table with the show spanningtree command. Spanning tree defines a tree with a root switch and a loopfree path from the root to all switches in the layer 2 network. Pvst, rapid spanning tree protocolrstp and multi spanning tree protocol mstp. First, it prevents problems caused by loops on a network.
Instance 0 is a special instance for a region, known as the ist. Configure stp spanning tree protocol in switches youtube. Spanning tree protocol stp was developed to prevent the broadcast storms caused by. An ist is the spanning tree that runs in an mst region.
595 513 158 1437 964 1106 766 1298 691 1031 79 731 565 265 838 1515 1019 282 192 373 176 578 1478 1231 1098 682 238 752 48 918 448 97 728 1137 172 1470 38 68 1497 1470 757 389 430 1398 1326 303 548