NETGEAR NMS100 manuale d’uso

September 2004 202-100 58-01 202-10058-01 September 2004 NETGEAR , Inc. 4500 Great America Parkway Santa Clara, CA 95 054 USA Reference Manual for the ProSafe Network Management System NMS100[...]

ii September 2004 202-100 58-01 © 2004 by NETGEAR, Inc. All ri ghts reserved. September 2004. T rademarks NETGEAR is a trademark of Netge ar , Inc. SNMPc, SNMPc W orkgroup, SNMPc Enterp rise, and Castle Rock Computing are trademarks of Castle Rock Computing. Air Messenger Pro is a trad emark of Internet Software Solutions . Microsoft, W i ndows, a[...]

Contents i July 2004 202-10036-01 Content s Chapter 1 Introduction Audience, Scope, Conventions, and Formats . ......... ................. ................ ............. ........ 2-1 Overview ............. ................ ................ ................ ................ ................ ................ ......... ... 2-2 Other ProSafe NMS Featur[...]

July 2004 20 2-10036-01 ii Contents Chapter 3 Dat a and St atistics Working with the Map Database ............................ ................ ................. ................ ........ 4-1 The Map Selection T ree .. ............. ................ ................ ................ ................ ............ 4-1 Using Map View Windows .. ......[...]

Contents iii July 2004 202-10036-01 TCP Service Polling .................. ................ ................ ................ ............. ................ .. 5-4 Custom TCP Service Polling .................. ................ ................ ................ ................ .. 5-5 Managing Polling for the Device .. ... ... .... ... ... ... ... .[...]

July 2004 20 2-10036-01 iv Contents[...]

Introduction 1-1 September 2004 202-1005 8-01 Chapter 1 Introduction Audience, Scope, Conventions, and Format s This reference manual assumes that the reader h as basic to interme diate computer and Internet skills. This guide uses the follo wing typographical conventions: This guide uses the following format to highlight special messages: This man[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 1-2 Introduction September 2004 202-10058-01 Overview ProSafe NMS uses the popular SNMP management protocol to poll and configure devices, workstations, and servers over IP networks. Al ong with all the features expected in any SNMP management statio n, ProSafe NMS al so includes th[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Introduction 1-3 September 2004 202-1005 8-01 • Alarm box event action • Event forwarding • Running external programs • Automatic Icon and Program selection • Programming interfaces ProSafe Network Management System This is a single user version for managi ng sma ll to m[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 1-4 Introduction September 2004 202-10058-01 None (TCP Only) Null access is used for polling TCP services on ly , where ICMP (Ping) and SNMP access is restricted by a firewall. ICMP (Ping) ICMP (Ping) mode is used fo r devices that do not support SNMP but can sti ll be pinged to see[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Introduction 1-5 September 2004 202-1005 8-01[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 1-6 Introduction September 2004 202-10058-01[...]

Installation and Startup 2-1 September 2004 202-1005 8-01 Chapter 2 Inst allation and St artup Inst alling the ProSafe NMS Server and Local Console 1. Log on to W in do ws with administrator permission. 2. Insert the ProSafe NMS CD into the computer CD drive. 3. Use the W indows Start/Ru n menu and enter d:NMSsetup , where d: is the CD drive. The [...]

Reference Manual for the ProSafe Network Manag ement System NMS100 2-2 Installation and Startup September 2004 202-10058-01 Inst alling the Air Messenger Pro Paging Software ProSafe NMS includes a copy of the Air Messenger Pro paging application. This softwa re is required if you want ProSafe NMS to p age you when an event occurs. Air M essenger Pr[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Installation and Startup 2-3 September 2004 202-1005 8-01 Disabling Automatic Console Login T o disable automatic console startup and login, go to the W indows Start menu and use the Programs/NETGEAR ProSafe NMS/Configure T asks me nu. Disable the Auto Login Us er check box and cl[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 2-4 Installation and Startup September 2004 202-10058-01 Console Element s The following figure an d table show the ma in elements of the ProSafe NMS console. Figure 2-1: Console element s Element Functio n Main Button Bar Buttons and controls to execute common commands quickly . Ed[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Installation and Startup 2-5 September 2004 202-1005 8-01 Console Button Commands The following diagrams show the function of each button in the Main button bar and Edit button bar . Each of these buttons has a corresp onding main menu item. Figure 2-2: Main butt on bar Edit Butto[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 2-6 Installation and Startup September 2004 202-10058-01 Selection T ool If you do not see the selection tool, use the V iew/S electio n T ool menu to s how it. Use the Selection T ool to manipulate objects from one of several data bases. Use the drag control at the right of the Sel[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Installation and Startup 2-7 September 2004 202-1005 8-01 • T o remove one or more events, se lect the event and press the Delete key . • T o ac knowledge (remove cu rrent status of) an ev ent, select the event and use the right-click Acknowledge menu. • T o completely clear[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 2-8 Installation and Startup September 2004 202-10058-01[...]

Data and Statistics 3-1 September 2004 202-1005 8-01 Chapter 3 Dat a and St atistics W orking with the Map Dat abase The Map Selection T ree Locate the Selection T ool on the right side of th e console. If you do not see the Selection T ool, use the V iew/Selection T ool menu to show it. Select the first tab marked Map. The displayed Map Selection [...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-2 Data and Statistics September 2004 202-10058-01 Using Map V iew Windows Map V iew windows are overlapp ing windows that are displa yed in the V iew W indow area of ProSafe NMS. This is where you can se e the ma p topology as a diagram an d easily manipulate the map objects (add,[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-3 September 2004 202-1005 8-01 • Use the V iew All button to toggle the V iew All st ate for a s elected map view . In this state, the view contents are automatically zo omed so that all icons are visibl e. As you change the size of the V iew window , the c[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-4 Data and Statistics September 2004 202-10058-01 T o move objects at the top level, select one or mo re objects in a Map view and drag the mouse. The selected objects are moved to the new mouse location. The following illustrati on shows an automatically (left) and manually (ri g[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-5 September 2004 202-1005 8-01 Y ou can also disconnect objects from the Bus Netw ork by deleting the att aching link. Then the detached object can be moved anywhere in the view . The following figu re shows a Map view of an automatically arranged subnet leve[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-6 Data and Statistics September 2004 202-10058-01 Changing Object Properties Attributes 1. Use the Edit/Properties menu to change the attributes of one or more selected objects. T o edit multiple objects, all select ed objects must be of the same type such as subnet or device. 2. [...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-7 September 2004 202-1005 8-01 Access Parameters 1. Select the Access tab to set access parameters for a Device, Link, or Network object. For a description of access parameters, please see Ta b l e 3 - 1 Object Properties Access tab. 2. T o change an ac cess [...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-8 Data and Statistics September 2004 202-10058-01 T ype-Dependent Attributes 1. Select the Attribute ta b to set type-dependent attributes. For a complete description of all type- dependent object attributes, plea se see Ta b l e 3 - 2 Object Properties Attribute tab. 2. T o chang[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-9 September 2004 202-1005 8-01 The following table lists each available attribute in the Object Properties Attributes tab, the object types it is valid for , and a description of the attribute. T able 3-2. Object Proper ties Attribute t ab Object Ty p e a a. [...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-10 Data and Statistics September 2004 202-10058-01 Adding Map Object s ProSafe NMS supports several object types, incl uding subnets, devices, links, and networks. T o add objects, first open a Map view window an d then use on e of the Insert/Map Object menus or the Edit button ba[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-11 September 2004 202-1005 8-01 V iewing Device MIB Dat a The MIB Selection T ree 1. Select one or more SNM P Device objects. 2. Locate the Selection T ool at the left of the console window . If you do not see it, use the V iew/Se lection T ool menu to show i[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-12 Data and Statistics September 2004 202-10058-01 Custom Menus The Manage menus are actually built-in custom menus from an external configuration file. Y ou can also add custom menus to display particular ta bles. For example, if you have only a few device types in your network y[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-13 September 2004 202-1005 8-01 Graph Display Element s The following figure shows a samp le graph di splay and the function of graph controls. Figure 3-4: Graph displa y and graph controls Graph Styles In the following figure there are four graph styles: Lin[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-14 Data and Statistics September 2004 202-10058-01 Graph Page Controls The graph is dif ficult to view with many variab les at the same time. Use the Page Controls to enable blocks of variables. Use the Pagina te button (paper sheet icon) to enable all variables or just the first [...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Data and Statistics 3-15 September 2004 202-1005 8-01 3. Select the T rend tab and open the Trend Reports Group name. 4. Use the right-click Insert Repo rt menu to add a new report. 5. Enter a name for the new report. 6. Select one of the built-in table names from th e MIB T able [...]

Reference Manual for the ProSafe Network Manag ement System NMS100 3-16 Data and Statistics September 2004 202-10058-01 Irrespective of the report poll interval, all Counte r variables shown in a trend report graph window are normalized to per-second values . Limiting Saved Instances The polling agent normally polls all available instances for each[...]

Polling and Emailing 4-1 September 2004 202-1005 8-01 Chapter 4 Polling and Emailing Setting Threshold Alarms Y ou can generate a Threshold Alarm when a po lle d SNMP variable value meets certain criteria. ProSafe NMS supports three distinc t mechanisms for generating Threshold Alarms as described in the following table. T able 4-1. Threshold Alarm[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 4-2 Polling and Emailing September 2004 202-10058-01 Setting St atus V ariable Polling • Using the Map Selection T ree or a Map V iew window , right-click on an SNMP Device, Link, or Network object and use the Properties menu. • Make sure the Address field is set to a valid IP a[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Polling and Emailing 4-3 September 2004 202-1005 8-01 Setting Manual Threshold Alarms Y ou must firs t create a trend report for a set of devices and an SNMP MIB T able. Ple ase refer to Saving Long-term Statistics for a description of creating trend reports. Select the report nam[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 4-4 Polling and Emailing September 2004 202-10058-01 Polling TCP Application Services ProSafe NMS supports customized polling of any TCP application service and simplified poll ing of four built-in TCP application services (FTP , SMTP , W eb, and T elnet). Discovery of Four Built-in[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Polling and Emailing 4-5 September 2004 202-1005 8-01 Custom TCP Service Polling Custom TCP Service definitions allow more flexible and powerful polling of your application servers. • Y ou can optionally send a text string to th e TCP service and compare the reply to a text patt[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 4-6 Polling and Emailing September 2004 202-10058-01 4. After adding a new service definition, you need to click the Add>> bu tton if you want this service to be polled for the currently selected device. T o delete an existing Cu stom TCP Service definition: 1. Select the serv[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Polling and Emailing 4-7 September 2004 202-1005 8-01 2. Then, set the Email/Pagi ng global event options a. Use the Config/Event Options menu. b. Set the SMTP Server Address to the IP Add ress of your email server in dot notation (a.b.c.d). c. Set the Email From Address to an ema[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 4-8 Polling and Emailing September 2004 202-10058-01 4. Add an Event Filter for the pollDeviceDown event a. Locate the ProSafe NMS Selection T ool at the left side of the console. If it is not there, use the V iew/ Selection T ool to show it. b. Select the Event tab on the Selection[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Polling and Emailing 4-9 September 2004 202-1005 8-01 6. Then, set the Email/Page event action s a. Select the Actions tab of the displayed Add Event Filter dialog. b. Select Default from the Page Group pull-down to send a page to all users with a Group1 or Group2 alias set to Def[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 4-10 Polling and Emailing September 2004 202-10058-01 Other Event T ypes The pollDeviceDown event is an example used in this section. The mechanism is the same for other types of events, inclu ding those generated fo r Status V ariable and Manual Threshold Alarms. The following tabl[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Polling and Emailing 4-11 September 2004 202-1005 8-01 Note: A poll sequence occurs repeatedly every P OLL I NTERVAL seconds. During each poll sequence, a poll is se nt and a reply expected within the P OLL T IMEOUT period. If no response is received during the timeout period , th[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 4-12 Polling and Emailing September 2004 202-10058-01 3. Then, add an Event Filter for the selected devices a. Add a new event filter for a set of devi ces as described i n Steps 4 through 7 of “Emailing or Paging the Administrator on an Event” on page 5-6 . b. In the Action tab[...]

Troubleshooting and Advanced Config uration 5-1 September 2004 202-1005 8-01 Chapter 5 T roubleshooting and Advanced Configuration T roubleshooting Network Discovery Duration of Network Discovery During the ProSafe NM S Server installation you entered the address, ne tmask, and community name for one SNMP V1 discovery seed device. This is normally [...]

Reference Manual for the ProSafe Network Manag ement System NMS100 5-2 Troubleshooting and Advanced Co nfiguration September 2004 202-10058-01 The figure below shows a sample top-level and su bnet Map view for a small network. Note that some devices have vendor -specific icons while ot hers have generic icons. Each gen eric device icon is marked as[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Troubleshooting and Advanced Con figuration 5-3 September 2004 202-1005 8-01 Discovery Agent Fails to Connect to the Server Look at the Current tab of th e Event Lo g T ool. If you do not see the Event L og T ool, use the V iew/ Event Log T ool to show it. Scroll to the top of the[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 5-4 Troubleshooting and Advanced Co nfiguration September 2004 202-10058-01 SNMP Device Access Control List Many SNMP devices have an Ac cess Control List (ACL). An ACL is a list of IP addresses from which the device accepts SNMP requests. This is a vendor -speci fic security featur[...]

Reference M anual for the ProSafe Network Man agement Syste m NMS100 Troubleshooting and Advanced Con figuration 5-5 September 2004 202-1005 8-01 Broadcast Packet Losses In many cases network discovery mostly works but you do not see as many devices as you expect. As many devices are not represented in SNMP ARP tables they can only be discovered wi[...]

Reference Manual for the ProSafe Network Manag ement System NMS100 5-6 Troubleshooting and Advanced Co nfiguration September 2004 202-10058-01 7. Use the File/Reset menu to delete the current map and restart discover y with the new filters. S topping Discover y Auto-Layout Left unattended, discovery con stan tly rearranges your top -level map as ne[...]

A-1 September 2004 202-1003 6-01 Appendix A Event Parameters Use Event Parameters in Event Ac tion Filters to substit ute informa tion related to a specific event. Event Parameters can be used in the Event Message and as arguments to a program in the Exec Program action. The available Event Paramete rs an d the associa ted expansion are described i[...]

Reference Manual for the ProSafe Network Manag ement System NMS1000 A-2 September 2004 202-10036-01 $S The Set Community na me of the target device. $E The timeout attribute, in seconds, of the target device $Y The max retries for the target device $P The name of the map parent subnet object $C The number of variable s in the event trap. $* All var[...]

September 2004 202 -10 036-01 Glossary 1 Glossary Use the list below to find definitions for technical terms used in this manual. List of Glossary T erms 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. 100BASE-Tx IEEE 802.3 specification for 100 Mbps Ethernet over twisted pair wiring. 802.1x 802.1x defines port-base[...]

Reference Manual for the ProSafe Network Manag ement System NMS1000 2 Glossary September 2004 202 -10 036-01 ADSL requires a special ADSL modem. ADSL is grow ing in popularity as more areas around the world gain access. AES Advanced Encryption Standard, a symmetric 128-bit bl ock data en cryption tech nique. It is an iterated block cipher with a va[...]

Reference Manual for the Pro S afe Network Management System NM S1 000 Glossary 3 September 2004 202 -10 036-01 The DMZ sits between the Internet and an internal ne twork's line of defense, usually some combination of firewalls and bastion hosts. T ypically , the DMZ contains devices accessible to Internet traffic, such as W eb (HTTP) servers,[...]

Reference Manual for the ProSafe Network Manag ement System NMS1000 4 Glossary September 2004 202 -10 036-01 transmits that identity to an authenticat ion server su ch as RADIUS. The server asks the AP fo r proof of identity , which the AP gets from the user and then send s back to the server to complete the authentication. EAP is defined by RFC 22[...]

Reference Manual for the Pro S afe Network Management System NM S1 000 Glossary 5 September 2004 202 -10 036-01 LDAP A set of protocols for accessing information directories. Lightweight Directory Access Protocol LDAP . A set of protocols for acce ssing information directories. LDAP is based on the standards contained within the X.500 standard, but[...]

Reference Manual for the ProSafe Network Manag ement System NMS1000 6 Glossary September 2004 202 -10 036-01 MTU The size in bytes of the largest pack et that can be sent or received. NA T A technique by which several hosts share a si ngle IP address for access to the Internet. NetBIOS The Network Basic Input Output System is an appli cation progra[...]

Reference Manual for the Pro S afe Network Management System NM S1 000 Glossary 7 September 2004 202 -10 036-01 PPPoE PPPoE. PPP over Ether net is a prot ocol for connecting remot e hosts to the Internet over an always-on connection by simulati ng a dial-up conn ectio n. PPP over A TM PPPoA. PPP over A TM is a protocol for connectin g remote hosts [...]

Reference Manual for the ProSafe Network Manag ement System NMS1000 8 Glossary September 2004 202 -10 036-01 SSID A Service Set Identification is a thirty-two charact er (maximum) alphanumeric key identifying a wireless local area network. For the wireless devices in a netw ork to communicate with each other , all devices must be configured with th[...]

Reference Manual for the Pro S afe Network Management System NM S1 000 Glossary 9 September 2004 202 -10 036-01 an encryption algorithm and cryptograp hic keys before data is transmitted or received. Based on Netscape’ s SSL 3.0, TLS supercedes and is an extension of SSL. TLS and SSL are not interoperable. Universal Plug and Play UPnP . A network[...]

Reference Manual for the ProSafe Network Manag ement System NMS1000 10 Glossary September 2004 202 -10 036-01 WINS WINS. W indows Internet Naming Servi ce is a server process for reso lving W indows-based computer names to IP addresses. Wireless Network Name (SSID) W ireless N etwork Name (SSID) is the name assigned to a wireless netw ork. This is [...]

Index 1 A Air Messanger Pro installation 3-2 Auto MDI/MDI-X G-2 Auto Uplink G-2 automatic alarms, configuring 5-2 B broadcast packet losses network discovery troubleshooting 6-5 button bar Edit 3-5 Main 3-5 main 3-5 C Cat5 cable G-2 community names incorrect or missing 6-3 console button commands 3-5 disabling automatic login 3-3 elements 3-4 start[...]

2 Index L login, disabling automatic console login 3- 3 M Main button bar 3-5 Manage menus 4-1 1 Map database 4-1 Map objects adding 4-10 moving 4-3 moving at the r oot level 4-3 moving from one subnet to another 4-5 moving inside subn et levels 4-4 T ypes 4-10 Map Selection T ree 4-1 Map V iew windows 4-2 MDI/MDI-X G-2 MDI/MDI-X wiring G-5 menus c[...]

Index 3 trend data viewing in a graph window 4-15 trend reports limiting saved instance s 4-16 troubleshooting network discovery 6-1 V V iew W indow area 3-7 W W orld Wide W eb 1-ii[...]