background image

10 

C

HAPTER

 1: O

VERVIEW

 

OF

 N

ETWORK

 M

ANAGEMENT

Summary of Contents for SuperStack II 3C16971

Page 1: ...http www 3com com tns Part No DUA1510 0AAA04 PDF Published April 2001 Getting the Best from 3Com Network Supervisor Software Version 3 0 for Windows ...

Page 2: ...copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software ...

Page 3: ...el 8 Reducing Equipment Costs 8 Key Network Management Functions 8 Monitoring Network Capacity 8 Predicting Problem Links and Devices 9 2 USING TRANSCEND NETWORK SUPERVISOR TO MANAGE YOUR NETWORK Overview of Network Supervisor Wizards 12 Major Benefits of Network Management with Network Supervisor 12 Color Coded View of Your Network Connectivity 12 Real Time Detailed Stress Monitoring 12 Total Vis...

Page 4: ... Generation 19 Instant Notification of Significant Activity Using Alerts 20 Viewing Network Trends and Patterns 21 Tracking the Devices on Your Network 21 Planning Your Network Capacity 22 Listing All the Devices Attached to Each Port 22 Network Discovery Report 22 3 LIVE UPDATE About Live Update 23 Live Update 23 Using Live Update 23 Live Update Setup 23 3COM END USER SOFTWARE LICENSE AGREEMENT ...

Page 5: ... guide to using Network Supervisor For detailed information on how to use and configure Network Supervisor use one of the Wizards provided with the application or consult the online help Who Is This Guide For This guide is designed for users who are PC literate with some experience of networking hardware particularly managed products However you are not expected to have any experience of network m...

Page 6: ...For information onYear 2000 compliance and 3Com products visit the 3Com Year 2000 Web page http www 3com com products yr2000 html Documentation Comments Your suggestions are very important to us They will help make our documentation more useful to you Please e mail comments about this document to 3Com at pddtechpubs_comments 3com com Please include the following information when commenting Documen...

Page 7: ...ffect your users This in turn helps you to run your business more efficiently The Benefits of Network Management Network management provides the following benefits Full Network View from a Single PC Reducing Downtime Improving Performance Freeing Up Personnel Reducing Equipment Costs Full Network View from a Single PC Some network management software including 3Com Network Supervisor allows you to...

Page 8: ...sing a network management solution which gives a full view of your network and actively warns you of problems reduces the day to day demands on personnel to find and fix problems This automation allows people to focus on key management activities Reducing Equipment Costs Network management enables you to make better use of current equipment delaying expensive and disruptive upgrades until they are...

Page 9: ...less staff hours and reduces the amount of time that your network is either inefficient or unavailable For example network management software can show History of problem areas Devices on your network suffering from stress Stress is the performance measure of a network object a device or link against pre defined thresholds ...

Page 10: ...10 CHAPTER 1 OVERVIEW OF NETWORK MANAGEMENT ...

Page 11: ...hernet networks with up to 1500 devices or 3000 devices if you have IP phones on your network It works best on networks which are based on 3Com devices although other vendors devices are supported This chapter contains the following sections Overview of Network Supervisor Wizards Major Benefits of Network Management with Network Supervisor Setting up Network Supervisor for the First Time Viewing t...

Page 12: ...aded links on your network The map shows the devices and connections on your network including the links attaching the hubs switches and routers to PCs This provides an instant color coded view of the state of your network Network Supervisor s map also provides physical connectivity information for your network Real Time Detailed Stress Monitoring Good monitoring involves examining a combination o...

Page 13: ...entify and resolve Immediate Notification of Problems You also need to be confident that you will know of network problems before or at the same time as your users Network Supervisor provides an alert system which ensures that you are notified of problems immediately You can choose various visual and audible methods to notify you of significant network activity for example an e mail sound or popup...

Page 14: ...core network For your initial settings it is probably best to monitor only these devices which are critical to your network s operation and performance levels Network Supervisor also shows the state of each core link For example it shows whether each core link is up or down Network Supervisor uses color coding to enable easy recognition of the stress level on each device and link If there is not e...

Page 15: ...ification mechanism They can be an e mail sound popup message or can launch an application They are attached to an item on your network map and are triggered when an event occurs Once you have configured your first set of alerts you can then use the following steps to quickly locate and identify any problems on your network 1 React to an alert 2 Look in the Event List 3 Follow the link from the Ev...

Page 16: ... a fully lit red bar shows that something is seriously wrong with the performance of that device and that it probably needs urgent attention A monitor is a measure of the stress being experienced by a network device or link Viewing Detailed Stress Indicators Once Network Supervisor has identified which device or link is causing a problem you may want more detailed information on the individual mea...

Page 17: ...ialog Box shown in Figure 2 The language used in the What s Wrong Dialog Box is non technical making the definitions easy to understand Figure 2 What s Wrong Dialog Box Detailed Monitoring Information As an alternative a more detailed view of how a network device or link is being monitored is available Network Supervisor gives you this type of information by letting you see the embedded devices po...

Page 18: ... or off A monitor is a specific stress measure for a network device or link Information on each monitor is gathered by an individual monitor Information from the individual monitors for each device is combined to form one overall monitor This composite monitor gives a profile of the network device which Network Supervisor uses to calculate the stress for that device or link Figure 3 All Monitors D...

Page 19: ... threshold was passed The events in the Event List are generated internally by Network Supervisor they are not SNMP traps generated by network devices Network Supervisor provides the following to help you manage generated events Filtering Commenting Sorting Acknowledging Ageing Filtering Filtering temporarily removes entries from the Event List to provide a clear view of a selected type of event Y...

Page 20: ...ge number of days are deleted Instant Notification of Significant Activity Using Alerts Although the Event List gives you a comprehensive view of network activity it is also useful to find out instantly if there is any significant activity on your network Network Supervisor provides alerts for this purpose They instantly notify you of significant network activity without requiring that you continu...

Page 21: ... expansion of your network when your business volume of network traffic and number of users expand Reports can be generated for all devices on your network map or on selected devices only Tracking the Devices on Your Network You can use the Network Inventory Report shown in Figure 4 to help track the number of PCs and other devices currently on your network This is particularly useful for asset ma...

Page 22: ...n then plan when you should start to invest in new devices before the capacity is reached and the state of your network becomes critical Listing All the Devices Attached to Each Port The Network Topology Report lets you list and identify what devices and types of device are attached to each port It gives you a printable list of devices and their connectivity status This makes it especially useful ...

Page 23: ...ovides a secure method for downloading information in a manner that is cost effective convenient and above all current This method of delivery provides day one management for all newly developed devices Using Live Update Live Update connects to a 3Com server using the same method as your default Internet browser This configuration is established the first time you run Live Update When you launch L...

Page 24: ...automatically use them to connect to the Internet Otherwise you will need to specify custom proxy settings before Live Update can connect to the 3Com server Select File Groups Select File Groups allows you to choose the files you wish to download Depending on the files available on the 3Com server you can choose from the following Network Supervisor updates service packs Device Agents Configuratio...

Page 25: ...materials not transferred Except as set forth above you may not transfer or assign the Software or your rights under this License Agreement Modification reverse engineering reverse compiling or disassembly of the Software is expressly prohibited However if you are a European Community EC resident information necessary to achieve interoperability of the Software with other programs within the meani...

Page 26: ...CT TORT INCLUDING NEGLIGENCE STRICT PRODUCT LIABILITY OR OTHERWISE EVEN IF ANY REPRESENTATIVE OF 3COM OR ITS SUPPLIERS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES NOTHING IN THIS AGREEMENT SHALL HAVE THE EFFECT OF LIMITING OR EXCLUDING 3COM S LIABILITY FOR DEATH OR PERSONAL INJURY CAUSED BY ITS OWN NEGLIGENCE DISCLAIMER Some countries states or provinces do not allow the exclusion or limit...

Reviews: