![]() ![]() When an administrator wants a specific switch to become a root bridge, the bridge priority value must be adjusted to ensure that it is lower than the bridge priority values of all the other switches on the network. Spanning-tree VLAN port cost (configurable on a per-VLAN basis)Ĭonfiguring and Verifying the Bridge ID (3.3.1.2) ![]() Spanning-tree VLAN port priority (configurable on a per-VLAN basis) Spanning-tree port cost (configurable on a per-interface basis) Spanning-tree port priority (configurable on a per-interface basis) PVST+ (Rapid PVST+ and MSTP are disabled.) Table 3-7 Default Switch Configuration Feature Notice that the default spanning-tree mode is PVST+. ![]() Table 3-7 shows the default spanning-tree configuration for a Cisco Catalyst 2960 Series switch. Catalyst 2960 Default Configuration (3.3.1.1) The focus of this topic is on how to configure PVST+ in a switched LAN environment. ![]() “Shutdown” shuts down the interface, while “no shutdown” brings up the interface.In this section, you will learn how to implement PVST+ and Rapid PVST+ in a switched LAN environment. Sets a host name to the current Cisco network deviceĪn enable mode command that copies files from one file location to anotherĪn enable mode command that saves the active config, replacing the startup config when a Cisco network device initializesĪn enable mode command that merges the startup config with the currently active config in RAMĪn enable mode command that deletes the startup config Logs you into enable mode, which is also known as user exec mode or privileged modeĮnters interface configuration mode for the specified fast ethernet interfaceĪn exec mode command that reboots a Cisco switch or router Here is a Cisco commands cheat sheet that describes the basic commands for configuring, securing and troubleshooting Cisco network devices. The basic CLI commands for all of them are the same, which simplifies Cisco device management. Almost all Cisco devices use Cisco IOS to operate and Cisco CLI to be managed. ![]()
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