Spanning Tree Operation | HP J3178A guide

Spanning Tree Operation

Spanning Tree Protocol (STP)

•Active path from node A to node B: 1—> 3

•Backup (redundant) path from node A to node B: 4 —> 2 —> 3

1

path cost: 100

switch B

node

A

switch A

2

path cost: 100 switch C

4

path cost: 200

3

path cost: 100

switch D

node

B

Figure D-1. Example of Logical and Redundant Paths Between Two Nodes

Spanning Tree Operation

D-2

Image 104

HP J3178A manual Spanning Tree Operation

Contents

HP AdvanceStack Switch 208/224 Management Module Page HP AdvanceStack Switch 208/224 Management Module Installation and Reference Guide Publication Number HP Customer Support Services How to get the latest software/agent firmwareHP FTP Library Service World Wide Web Location Phone Number HP First Fax Retrieval ServiceAdditional HP Support Services Contents Monitoring Switch Operation From the Console Spanning Tree Operation Viii Installing the Management Module Installing the Management Module Installation Steps Anti-Static PrecautionsInstalling Installing the Management Module Included Parts Remove the cover plate At Power On Removing the Module Management Module Description Overview Management Module Description Management Module Description Module Features Page Switch Console T e Connecting a Console to the Switch Switch Console Connecting a PC or Terminal to the Console RS-232 Port Remote Console Connection Using a Modem and a PC Modem Cable Pin-Out How To Start a Console Session Starting and Ending a Console Session How To End a Console Session Main Menu Main Menu Features Screen Structure and Navigation Actions line How To Navigate in the Console TaskActions Using Password Security Level Actions Permitted Capabilities, also set an Operator password To set Manager and Operator passwords To Delete Password Protection To Recover from a Lost Manager Password To Recover from a Lost Operator Password Select Delete Password Protection Rebooting the Switch Reboot Switch Option in the Main Menu Switch Console Example of a Configuration Change Requiring a Reboot Advanced Commands How To Use the Advanced CommandsHow To Exit from the command prompt Listing of Commands Available under Advanced CommandsPage Configuring the Switch From the Console Configuring the Switch From the Console Configuring Default values are shown in brackets Configurable Features How To Access the Switch Configuration System Configuration Configuring Configuring the Switch From the Console Port Configuration Example of the Port Configuration Screen IPX Service Configuring the Switch From the Console Internet IP Service To configure the switch for Bootp Using BootpTo manually configure the switch for IP Bootp Operation Where How To Configure the Switch for Snmp Communities Snmp Communities Snmp Communities Add or Edit Screen Trap Receivers Serial Link Configuration 10. The Serial Link Configuration Screen Default Values Console Configuration 11. The Console Configuration Screen Default Values Spanning Tree Configuration Press the Space bar to select Yes . This enables STP 12. Example of the STP Configuration Screen 13. The Default Network Monitoring Configuration Screen Network Monitoring Port 14. Example of Selecting a Monitoring Port Saving Configurations Page Monitoring Switch Operation From the Console Main Menu Data Type Purpose Monitoring Monitoring Switch Operation From the ConsoleStatus and Counters Menu Switch Information Example of Switch Information Port Status Example of Port Status Port Counters Example of Port Counters Port Counters Show Details Example of Port Counters Show Details Address Table Example of the Address Table Port Address Table To use the port address table Example of a Port Address Table for a Specific Port Spanning Tree STP Information Example of Spanning Tree Information 10. Example of STP Port Information Operation and read the Ieee 802.1d standards document Event Log Severity Date Time System Module Event Log Control Keys Key Action Switch Console Using Snmp To Monitor and Manage the Switch Snmp Management Features HP Proprietary MIBs include Snmp Configuration Process Advanced Management Rmon Ease Support Rmon Troubleshooting Status Description TroubleshootingChecking the Module LEDs Problem/Solution Table Problem Solution Testing the Switch and Management Module IP Configuration ErrorsDiagnostic Tests Testing the Switch’s Ports and the Links Troubleshooting Resetting the Switch Clearing Passwords on the Switch Console T e HP BBS Page Specifications Environmental Specifications Supported Mibs Regulatory Statements Vcci Class 1 For Japan OnlyPage End Modem ConfigurationAt the switch Modem Configuration At the user end File Transfers Downloading an Operating System Using Tftp To Download the OS File File Transfers Writing System Software to FLASH, Back Soon Using the SNMP-Based HP Download Manager Using the Switch-to-Switch Download Using the Zmodem to Download the OS File Jumping to console code Troubleshooting Tftp Downloads Figure C-3. Example of Message for Download Failure File to be copied Transferring Switch Configurations Command Function Configuration Zput config remotefile overwrite dos/unix Spanning Tree Operation Spanning Tree Protocol STP Spanning Tree Operation Index Clear button description … Defaultconfig IP/IPX MIB STP Tftp Page 5966-5228