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Compaq 167050-001 - Netelligent 5708 Switch, Overview

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Compaq 167050-001 - Netelligent 5708 Switch Overview Download Page 6

N

ETWORK 

M

ANAGEMENT 

O

VERVIEW 

(cont’d)

6

043A/0996

In this manner, network management traffic is isolated to each segment.  A central manager can
then collect management data (performance, errors, configuration, etc.) from the segment or
domain managers when necessary, providing a total picture of the network environment without
generating excessive management-related traffic.

T

H E  

C

O S T   O F  

N

E T W O R K  

M

A N A G E M E N T

How do you justify the cost of the hardware, software, and training required to implement a
network management system? Although most network management solutions may seem
expensive, the lack of network management can be even more costly.  Ask yourself the following
questions:

What happens when my network fails?

Network failure significantly reduces productivity and revenue.  When your network goes down,
work ceases, paralyzing mission-critical operations - and you are responsible for reacting to and
resolving the situation.

How much does downtime cost?

When a network or a segment crashes,
every minute of downtime results in lost
revenue and productivity.  Each year, as
we rely more on computers in our daily
business, losses from network downtime
increase dramatically.  Figure 5 shows
the estimated cost of downtime from
network failure.

Why not just hire additional
support personnel?

Infonetics Research studies show that, as corporate management allocates funds to expand the
information system, they are not allocating proportional funding for the staff required to support
the system.

Therefore, as budgets tighten, network professionals will turn to management tools to maximize
the productivity of smaller support staffs.  Figure 6 illustrates the gap between network
management budgets and LAN segment growth.

Figure 5 - Source: Infonetics Research, Inc.

Figure 6 - Source:Infonetics Research, Inc.

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Summary of Contents for 167050-001 - Netelligent 5708 Switch

Page 1: ... Solutions 12 The Internet Management Initiative 12 Components of the Web based Enterprise Management Standards Effort 13 Summary 13 Network Management Overview THE ROLE OF NETWORK MANAGEMENT IN STRUCTURED NETWORK ENVIRONMENTS As corporate networks continue to grow in size and complexity to what extent do IS professionals protect and manage their investments Surprisingly administrators of many lar...

Page 2: ...R C H A N G E S T O T H I S P U B L I C A T I O N A N D T H E P R O D U C T S A N D S E R V I C E S D E S C R I B E D A T A N Y T I M E W I T H O U T N O T I C E O R O B L I G A T I O N This publication does not constitute an endorsement of the product or products that were tested The configuration or configurations tested or described may or may not be the only available solution This test is not...

Page 3: ...e enables you to monitor network traffic and configure the network infrastructure accordingly For example you can use a network management application to maintain or increase performance by isolating segments that communicate infrequently Scenario As a network administrator you need to increase performance in the network by segmenting groups of users that do not need to communicate directly How do...

Page 4: ...the proper tools small problems can often go undetected until they become major problems How will you address these situations Scenario A network user calls to inform you that his computer can no longer communicate with any of the servers on the network This type of problem frequently occurs on LANs of all sizes and configurations You could spend literally days troubleshooting the problem Where do...

Page 5: ...ed network you can manage devices that are hundreds or even thousands of miles away without leaving your office letting you focus on the problem THE DISTRIBUTED MANAGEMENT APPROACH In large enterprise networks even the centralized approach has its shortcomings Trying to manage a network consisting of thousands of nodes from a single location requires massive computing power and generates a substan...

Page 6: ...es down work ceases paralyzing mission critical operations and you are responsible for reacting to and resolving the situation How much does downtime cost When a network or a segment crashes every minute of downtime results in lost revenue and productivity Each year as we rely more on computers in our daily business losses from network downtime increase dramatically Figure 5 shows the estimated co...

Page 7: ... only when requested The manager agent relationship is similar to an office administrator and employees The administrator may occasionally ask an employee How is your report coming along to which the employee might respond It s finished Ideally each employee answers favorably Occasionally the administrator may find that one or two employees may not have completed the work or were not present to an...

Page 8: ...oprietary MIB Graphical Interfaces Most operations are greatly simplified by using a graphical representation of the device you want to manage by isolating the user from complex MIB groups Unlike a MIB browser performing most functions requires only a few clicks of a mouse button NETWORK MANAGEMENT PLATFORMS In recent years the network industry has agreed on standard management platforms For small...

Page 9: ...evices WAN access points and connections to each device Simply drag and drop device icons and connect them to various LANs and WANs Device icons are polled regularly to determine if they are available on the network Active devices are highlighted in green devices that fail to respond are highlighted in red This gives you an immediate at a glance status of your network Double clicking on a Compaq N...

Page 10: ...NETWORK MANAGEMENT OVERVIEW cont d 10 043A 0996 encompassing the map alarms and MIB browsers PMMs are product specific modules that add support for Netelligent repeater switch and router products ...

Page 11: ...ty to manage any SNMP MIB II compliant device The MIB browser displays the MIB in a hierarchical format represented by trees branches twigs and leaves As you move through the MIB you can display any variable change values and graph them Graphing is available in two formats dial graphs and line graphs Starting a graph is as simple as choosing the MIB variables to graph determining the polling rate ...

Page 12: ...t for open platform management solutions such as HP OpenView SunNet Manager IBM NetView 6000 and Novell ManageWise These platforms offer a wide array of management solutions for Windows and UNIX users and are considered the industry standard applications for medium to large networks Compaq understands the need to protect the investment of customers who have installed expensive network management p...

Page 13: ...bilities recently outlined at a meeting of the Internet Engineering Task Force IETF HyperMedia Management Schema HMMS an extensible data model representing the managed environment HyperMedia Management Protocol HMMP a communication protocol embodying HMMS run over HTTP The HyperMedia Management Protocol has been presented to the IETF and is currently under discussion This schema will be defined ma...

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