3Com 1005 manuals
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When we buy new device such as 3Com 1005 we often through away most of the documentation but the warranty.
Very often issues with 3Com 1005 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Switch 3Com 1005 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Switch on our side using links below.
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MSH S 1005 G U 3 CS T N E T N OW A R G F 5 C6 M S P M 7 AC B 9 BUguide. The following table shows where to find specific information in this How to Use This Guide from the information in this guide, follow the release notes. If the information in the release notes shipped with your product differs This guide describes how to install and configure the MS H Switch 1005. Introduction H U 13 AAbout the LinkBuilder MSH About the MSH Switch 1005 17 Switch Operation and FeaturesHow the Switch Compares to a Bridge: Switch 1005 The table below shows how a packet is processed when it arrives at the Forwarding of PacketsIn all other ways, MSH Switch 1005 and bridge operation is identical. IEEE 802.1D bridge: n a The table below shows how Switch 1005 operation compares to that of 18 To best suit your networking requiremen ts, the Switch 1005 allows you to set one of four frame forwarding modes: operate in Store and Forward mode until the error count returns to 0. 1005 detects more than 18 packets per second with errors, it will with errors, it will operate in Fast Forward mode. As soon as the Switch accordingly. If the Switch 1005 detects less than 18 packets per second error traffic on the network and changes the forwarding mode In this mode, the Switch 1005 monitors the amount of Intelligent the last bit of the frame, and transmitting the first bit. For the Switch and Forward mode, latency is measured as the time between receiving varies between 64s and 1.2ms, depending on frame length. In Store are passed to their destination. The forwarding delay for this mode their entirety prior to forwardin g. This ensures that only good frames In this mode, received packets are buffered in Store and Forward network, however, CRC errors are forwarded. The for warding delay, or ensures that collision fragments are not propagated through the received frame is buffered prior to the frame being forw arded. This mode, a minimum of 64 bytes of the this In Fragment F ree checking time, any collision fragments or error frames received are latency, for all frames in this mode is just 40 s but with the lack of destination address is received and verified. The forwarding delay, or In this mode, frames are forwarded as soon as the Fast For ward propagated through the switch. latency, for all frames in this mode is 64 s. 1005, this is 8s. 19 Intelligent Flow Management20 Full DuplexSecurity Virtual LANs (VLANs) Resilient Links 21 PACE23 MSH Switch 1005 on Your NetworkServer Connections Network Configuration Examples24 Figure 1-1 shows how the Switch 1005 fits into a large corporate each floor and servers are centralized in the basement. network with a Fast Ethernet infrastructure. A Switch is positioned on 26 Figure 1-3 shows the Switch 1005 used for a group of heavy-traffic connected via a 100Mbps Fast Ethernet link. desktop with a single end-station per switch port. Local servers are users in a large corporate network. Here, switching is brought to the 27 Configuration Rules for Fast EthernetConfiguration Rules with Full Duplex 28 Switch Overview Front Panel29 LEDsFor information on using the LEDs for fault diagnosis, please see in Chapter 6. Identifying Fault Conditions with the LEDs 30 Transceiver Module slot10BASE-T Ports 31 Switch Overview PCB ViewTransceiver Module Connector [1] Expansion Module Fixing Posts [2] 32 Switch Defaults: The following table shows factory defaults for the MSH Switch 1005 odule These connectors engage with the backplane located in the MSH chassis. Backplane Connectors [5]should you choose to fit one to this Switch . odule M xpansion E This socket provides the connection point for an Expansion Module Socket [4] in Chapter 2. Setting the Links on the Switch 1005 1005. See Allow you to configure internal backplane connections for the Switch Links LK 1 to LK 5 [3]should you choose to attach one to this Switch. M xpansion E The two threaded posts provide fixing points for an 33 Setting Up the MSH Switch 1005 for Management36 Pre-installation ConfigurationBefore installing the Switch 1005 into the chassis, ensure it is Figure 2-1 The links are located on the Switch 1005 PCB as shown in connections. Five links located on the Switch 1005 allow you to set up its backp lane Setting the Links on the Switch 1005Fitting an Expansion Module if required. configured to suit your particular requirements. Procedures that must be carried out prior to installation include: Setting links located on the Switch 1005. Fitting a Transceiver Module if required. 37 Table 2 -1 shows possible configurations for LK1 - LK5. You may have replaced with another one. the chassis is reset or powered off/on, or if the Switch 1005 module is changes made through management software. This is the case, even if In a managed MSH chassis, these links will be overridden by any any combination of backplane connections enabled at any one time. 38 Advice for Setting Backplane Connections and Avoiding LoopsConsiderable care should be taken when setting backplane connection in a different VLAN on each Switch. If you have implemented multiple VLANs, put ea ch internal Ethernet effectively by connecting one internal Ethernet connection to each Alternatively, balance the load on your Switch 1005 modules more all Switch 1005 modules via the Fast Ethernet c onnection, but only If all ports on your network are in the same VLAN, you should connect between the two Switch modules. You can avoid this situation by Packets with broadcast destination addresses will loop conti nuously independently switch the packet onto E2, resu lting in duplication. destined for an end-station on backplane E2, both Switch modules will with a unicast destination address arrives on the backplane E1, backplane connections are enabled and in the same VLAN. If a packet For example, consider a pair of Switch modules wh ere all four affecting network operation. enabled on the same VLAN, a network loop can occur, severely MSH chassis. If more than one module has multiple connections connections if there is more than one Switch 1005 installed in you r following these guidelines: connect the internal Ethernet backplanes on on e Switch 1005. Switch 1005. 39 Fitting a Transceiver ModuleFitting an Expansion Module 40 Switch 1005 Installation and RemovalInstalling the Switch 1005 41 Removing the Switch 1005Operation after Power-up42 In a Managed SystemIn a managed MSH chassis, operation of the Switch 1005 is the same, them when the MSH chassis and Management Module are powered on. Switch 1005 modules correctly when they are inserted, you must insert To ensure that the Management Module can see and configure new backplane enabled. subsequent Switch 1005 modules will have o nly the Fast Ethernet the first Switch 1005 detected in the chassis will have all backplane If the Management Module has no stored configuration data for the different from the set on the Switch 1005 The Management Module derives defa ult backplane settings that are in that slot, and the stored backplane settings are different from the set The Management Module has a stored configuration for a Switch 1005 but the Management Module may itself override the link settings. This will occur if: on the Switch 1005 Switch 1005, it will apply the following default back plane settings: ports enabled. 43 Setting up the Switch 1005Using the VT100 Interface 46 Using TelnetOnce you have specified the modules IP parameters, yo u can use any advice. have the correct MIB. Contact your local support representative for a Network Manager from another vendor, you will need to ensure you Guides that accompany the software. To manage the Switch 1005 with use of which is not described in this User Guide; refer to the User 3Com provides the Transcend range of SNMP Network Managers, the network management station. the Management Information Base (MIB) is correctly installed at your use any SNMP Network Manager for in-band management, provided Once you have set up the IP parameters of the Switch 1005, you ca n Using an SNMP Network Managerinactivity. connection is closed by the Switch 1005 after 2 to 3 minutes of concurrently. If a connection to a Telnet session is lost inadvertently, the Up to three active Telnet sessions can access the Switch 1005 supplied with the application. For further information on using Telnet, refer to the documentation it over the network. To open a Telnet session, specify the IP address of Telnet application that emulates a VT100 terminal to communicate with the Switch 1005. For example: 47 Accessing the Switch 1005 VT100 Interface48 Logging OnLinkBuilder case-sensitive. Enter your user name and password. Note that the y are both 5 Figure2-3 Logon screen shown in From the Switch 1005 Main Banner screen, p ress [Return] to display the 4 screen appears. wish to setup and select the MANAGE button. The Switch Main Banner LinkBuilder MSH Address Table appears. Choose the Switch 1005 you From the list of services available for this MSH, select Switch 1005; the SELECTION. 3Com LinkBuilder Main Menu. From the list of options, select SERVICE When you have successfully logged on to the MSH, you will see the DUA1850-0AAA0x. , part number MSH Management Module (3C18500) User Guide Logon to the LinkBuilder MSH. This is describ ed fully in the 49 If you are logging on for the first time (after installation or initialization), use a default user name and password to match your access . Figure 2-4 Menu appears as shown in When you have successfully logged on to the Switch 1005, the Main After Logging On enter those details. If you have been assigned a user name, access level and password, Table 2 -4 so that you can access all functions. The defaults are shown in requirements. We recommend you that you use the default user below. 50 From here, you can select the options needed to manage the module.Access to options depends on the access level you have been assigned. parameters. This is described in the followi ng section. You should select the MANAGEMENT SETUP option to assign IP on page 2-21. Creating a New User user an appropriate security level as described in Set up user names and passwords for any other users, and assign each Editing User Details Assign new passwords for the other default users as described in Editing User Details access level as described in Assign a new password for the access level, and are using the If you are a user with AppendixA Access rights to the VT100 screens for the Switch 1005 are listed in management facility for the first time, we suggest that you: on page 2-23. on page 2-23. 51 Switch 1005 Management Setup53 Logging OffAuto Logou t 55 Setting Up Users56 Creating a New UserThese steps assume the User Access Levels screen is displayed. monitor as secure monitor access to view, but not change a subset of the monitor Access Level the password is not displayed on screen. consist of up to 10 characters and is case-sensitive. For security reasons, Type in the password for this new user. The password can Password up to 10 characters and is case-sensitive. Type in the name of this new user. The name can consist of User Name The Create User screen shows the following fie lds: When the form is completed, select OK Fill in the fields and assign an acce ss level for the new user. Figure 2-8 shown in Select the CREATE USER option. The Create User screen appears as Assign an access level for this new user, as follows: manageable parameters of the Switch 1005 57 Deleting a User58 Editing User DetailsThese steps assume the User Access Levels screen is displayed. advise on your next course of action. interface, contact your local technical support representative who will If you forget your password while logged out of the Switch 1005 VT100 Type a new community string into this field. Community String Retype the new password into this field. Confirm Password Type in a new password for this user. New Password Type in the old password for this user. Old Password delete this user and create a new one. cannot be changed; if you need to change the user na me, you must This read-only field shows the name of the user. This field User Name The Edit User screen shows the following fields: When you have completed the changes, select OK. Fill in the fields as required. Figure 2-10 Select the EDIT USER option. The Edit User screen appears as shown in 59 Assigning Local Security60 Community SNMP The Switch 1005 can be managed important or sensitive data on your n etwork. may want to disable all access to the management facilities if there is have some simple security features, but it is an insecure protocol. You via SNMP using a remote network manager. Community SNMP does Enabled/Disabled 62 C63 Management Level, the all options relate to VLANs. and Figure3-3 , the screen that appears is similar to that shown in VLAN and all options relate to an individual port. If you choose Figure 3-1 , the screen that appears is similar to that shown in Port choose all options at the foot of the screen relate to the Switch 1005 . If you and Figure 3-2 screen that appears is similar to the example shown in Module If you choose Module/Port/VLAN 65 Switch 1005 Setup68 Port Se tup73 The Switch Database (SDB)75 Configuring the Switch Database, allows the port identifier for this entry. If an entry is highlighted in the listbox, this field shows Port Numbe r [Return], this field shows the device MAC address for this entry. If an entry in the listbox is highlighted and you press MAC Address currently in the SDB. The database holds a maximum of 500 addresses. This read-only field shows the number of entries Database Entries The screen shows the following: From the foot of the screen select the SDB button. on page 3-1. Choosing a Switch Management Level displayed, see To access the screen, make sure the Switch Management screen is you to display and configure the contents of the Sw itch 1005 database. Figure3-6 The Switch Module Database View screen, shown in 76 Searching the Switch Database77 Adding an Entry into the SDBDeleting an Entry from the SDB 78 Resilient Links84 Setting Up Traps85 Community String The community string allows a very simple method transmission. gives a minimum delay of one tenth of a second between each throttle is one thousandth of a second. The default value is 100, which will be transmitted with the specified delay between them. The unit of a delay between them. If several traps are generated at one time, they traps at once, you can configure the Switch 1005 to transmit traps with To prevent a remote Network Manager receiving too many Throttle public trap table. The default community string is enter the community string of the remote Netwo rk Manager into the Network Manager to receive traps generated by the device, you must Manager. The text string can be of 32 characters or less. If you want a of authentication between the Switch 1005 and the remote Network 86 Resetting the Switch 100587 Initializing the Switch 1005 89 Upgrading Software92 M108 109 Summary StatisticsWith the Switch Management screen displayed, choose to view have been successfully transmitted by each port. Displays the total number of frames that FRAMES TRANSMITTED errors. been received by each port, including fra gments and frames with Displays the total number of fram es that have FRAMES RECEIVED counter. from the button, the screen is refreshed to show values for that toggles through the available counters and as soon as you move away at the foot of the Summary Statistic s screen. Pressing the Space bar To view values for a particular counter, select the first button displayed values have reached approximately 4.2 billion, they are reset to zero. Switch 1005 and it is refreshed approximately ever y two seconds. Once The screen lists values for the current counter against every port on the Figure 5-1 A typical Switch Summary Statistics screen is displayed as shown in , then select the STATISTICS button. module statistics for the Switch 1005 111 Port StatisticsWith the Switch Management screen displayed, choose to view because each user will see degraded network performance. around 40% you should reconsider the topology of your network multiple end-stations are connected to this port and you see values of indication that your network is operating efficiently. However, if of the network. A high utilization for single station seg ments is an minute is used. The value gives an indication of the general traffic level theoretical maximum bandwidth available. A sampling period of 1 occupied bandwidth and is expressed as a percentage of the This counter provides a running average of the Bandwidth Used The ID of the port you are currently managing. Port ID The Port Statistics screen shows the followi ng: to traffic and error counter screens. As well as showing statistics for the port, this screen allows you access Figure 5-2 A typical Switch Port Statistics screen is displayed as shown in , then select the STATISTICS button. port statistics for a Switch 1005 113 Port Traffic StatisticsWith the Port Statistics screen displayed, select the TRAFFIC STATISTICS boundary. preamble/SFD. Octet counters are accurate to the nearest 2 56 octet calculation includes the MAC header and CRC, but excludes The number of octets transmitted by the port. The Octets Transmitted counters are accurate to the nearest 256 octet boundar y. (CRC), but excludes preamble/Start-of -Frame-Delimiter (SFD). Octet calculation includes the MAC header and Cyclical Redundancy Check The number of octets received by the port. The Octets Received successfully transmitted by the port. The number of frames that have been Frames Transmitted including fragments and frames with errors. The number of valid frames received by the port, Frames Received The ID of the port you are currently managing. Port ID The screen shows the following: Figure 5-3 A typical Port Traffic Statistics screen is disp layed as shown in button. 115 IFM Count The total number of times Intelligent Flow Management management station. not clear the counters on the device or affect counters at the network see changes in counters over a short period of time. This button does shown on the screen to zero. It is useful for tre nd analysis if you wish to Select this button to set all counters CLEAR SCREEN COUNTERS the efficiency of your network layer protocol. The composition of frames on your network may help you to analyze 1024 to 1518 octets octets. This indicates the compositio n of frames on the network. The percentage of the total number of frames of between 64 and 151 8 The number of frames of a specified length as a Frame Size Analysis (IFM) has had to operate to minimize packe t loss. frame size ranges are: 64 octets 65 to 127 octets 128 to 255 octets 256 to 511 octets 512 to 1023 octets 116 Port Error Analysis118 Status Monitoring119 Hardware Version The hardware version number of the Switch 1005. case you need to quote it to your technical support representati ve. software stored on the Switch 1005. You should note this number in This is the version number of the Boo t Boot Software Version representative. number in case you need to quote i t to your technical support updated when you download new software. You should note this image stored in Flash EPROM. This version number is automatically The version number of the software Upgradable Software Version technical support representative. You should note this number in case you need to quote it to your 120 Remote Polling122 P S 128 AHaccess rights are read-and-write. The access rights granted to Monitor level are all read-onl y. All other accessing and editing Switch 1005 screens via the VT100 interface. The following table lists the rights assigned to each level of user for R A 132 B134 CCall the telephone number nearest you: 135 World Wide We b Sitemore. articles from 3TECH (3Coms award-winning technical journal) and customer service and support, 3Coms latest news releases, selected This service features news and information about 3 Com products, 3Coms World Wide Web Access the latest networking information on Access by ISDN (408) 654 2703 following number: access up to 56 Kbps. 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To use 3ComForum, you need software, drivers, and technical articles about all 3Com products, as well patches 3ComForum is a CompuServe-based service containing 137 Support from Your Network SupplierIf additional assistance is required, contact your network supplier. section on how to contact 3Com. If you are unable to contact your networ k supplier, see the following Details about recent configuration changes, if applicable When you contact your network supplier for assistance, have the hardware maintenance, application training, and support services. to provide a variety of services, including network planning, installation, Many suppliers are authorized 3Com service partners who are qualified following information ready: Diagnostic error messages A list of system hardware and software, including revision level s 138 Support from 3ComIf you are unable to receive support from your networ k supplier, office to find your authorized service provider: If you are outside the U.S. and Canada, contac t your local 3Com sales for customer service. 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