Cabletron Systems SEHI100TX-22 manuale d’uso

Title Page Portable Management Application for the SEHI100TX-22™ User’s Guide ®[...]

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i Notice Cabletron Systems r eserves the right to make changes in speciÞcations and other information contained in this document without prior notice. The reader should in all cases consult Cabletr on Systems to determine whether any such changes have been made. The hardwar e, Þrmware, or softwar e described in this manual is subject to change wi[...]

ii Restricted Rights Notice (Applicable to licenses to the United States Government only .) 1. Use, duplication, or disclosure by the Government is subject to r estrictions as set forth in subparagraph (c) (1) (ii) of the Rights in T echnical Data and Computer Software clause at DF ARS 252.227-7013. Cabletron Systems, Inc., 35 Industrial W ay , Roc[...]

iii Contents Chapter 1 Intr oduction to SPMA for the SEHI100TX-22 Using the SEHI User Õs Guide ...................................................................................... 1-2 WhatÕs NOT in the SEHI100TX User Õs Guide . . . ............................................. 1-2 Conventions ...................................................[...]

Contents iv Chapter 4 Repeater Redundancy Setting Network Circuit Redundancy ........................................................................ 4-1 ConÞguring a Redundant Circuit ........................................................................ 4-2 Monitoring Redundancy .................................................................[...]

1-1 Chapter 1 Intr oduction to SPMA f or the SEHI100TX-22 How to use the SEHI User’ s Guide; manual conv entions; contacting Cabletron Global Call Center; SEHI fir mw are versions supported by SPMA The SEHI100TX-22 is an intelligent repeating Fast Ethernet hub, which when combined with the SEH100TX-22 non-intelligent stackable hub, can provide f[...]

Introduction to SPMA f or the SEHI100TX-22 1-2 Using the SEHI User’ s Guide Using the SEHI User’ s Guide Y our SPECTRUM Portable Management Application (SPMA) for the SEHI100TX-22 consists of a number of differ ent applications, each of which provides a portion of the overall management functionality . Each of these applications can be accessed[...]

Conv entions 1-3 Introduction to SPMA f or the SEHI100TX-22 ¥ Charts, Graphs, and Meters ¥ Community Names ¥ MIB I,II ¥ MIBT ree ¥ TFTP Download ¥ T rap T able ¥ Utilities (Global Community Names, Find MAC Address and TFTP) Charts, Graphs, and Meters are accessible fr om the Hub V iew and the command line; the Utilities, and MIBT ree applica[...]

Introduction to SPMA f or the SEHI100TX-22 1-4 Conv entions Screen Displa ys SPMA runs under a variety of differ ent operating systems and graphical user interfaces. T o maintain a consistent presentation, scr een displays in this and other SPMA guides show an OSF/Motif environment. If youÕr e used to a differ ent GUI, donÕt worry; the differ enc[...]

Conv entions 1-5 Introduction to SPMA f or the SEHI100TX-22 Figure 1-2. The History W indow Using the Mouse The UNIX mouse has three buttons, as shown in Figur e 1-3 . Procedur es within the SPMA document set refer to these buttons as follows: Figure 1-3. Mouse Buttons If youÕre using a two-button mouse, donÕt worry . SPMA doesnÕt make use of mo[...]

Introduction to SPMA f or the SEHI100TX-22 1-6 Getting Help Whenever possible, we will instruct you on which mouse button to employ; however , menu buttons within SPMA applications will operate according to the convention employed by the active windowing system. By convention, menu buttons under the Motif windowing environment ar e activated by cli[...]

SEHI100TX Fir mw are 1-7 Introduction to SPMA f or the SEHI100TX-22 For additional information about Cabletron Systems pr oducts, visit our W orld W ide W eb site: http://www .cabletron.com/ . For technical support, select Service and Support . SEHI100TX Firmware SPMA support for the SEHI100TX has been tested against Þrmware version 1.00.06; if yo[...]

Introduction to SPMA f or the SEHI100TX-22 1-8 SEHI100TX Firmware[...]

2-1 Chapter 2 Using the SEHI100TX Hub Vie w Navigating through the Hub View , monitoring hub performance; managing the hub The heart of SPECTRUM Portable Management Applications (SPMA) for the SEHI100TX is the Hub V iew , a graphical interface that gives you access to many of the functions that provide contr ol over the device. Using the Hub Vie w [...]

Using the SEHI100TX Hub View 2-2 Using the Hub View Navigating Thr ough the Hub View W ithin the Hub V iew ( Figure 2-1 ), you can click mouse buttons in differ ent areas of the window to access various menus and initiate certain management tasks. The following sections describe the information displayed in the Hub V iew Front Panel and how to use [...]

Using the Hub View 2-3 Using the SEHI100TX Hub View Uptime The time that the device has been running without interruption. The counter resets to 0 days 00:00:00 (HH:MM:SS) when one of the following occurs: ¥ Power to the device is cycled. ¥ The device is reset manually . Date and Time The date and time are taken fr om the deviceÕs internal clock[...]

Using the SEHI100TX Hub View 2-4 Using the Hub View Clicking on the Device button displays the Device menu, Figure 2-2 . Figure 2-2. SEHI100TX Hub V iew Device Menu The Device menu lets you perform the following: ¥ Open the Device Status window ¥ Open the Repeater Status window ¥ Open the Polling Intervals window ¥ Open the Statistics windows ?[...]

Using the Hub View 2-5 Using the SEHI100TX Hub View Note that the Device menu does not provide access to every application which is available to the SEHI100TX; some information is only available from the Module or Port menus, and several applications can only be accessed either from the icon menu (if you are r unning under a network management plat[...]

Using the SEHI100TX Hub View 2-6 Using the Hub View Figure 2-4. Mousing Around The Ports Display Module T ype Displa ys the type of module, or de vice, whose por ts are currently being displa yed in the P or ts Display . Module Index Indicates the module’ s position in the SEHI100TX-managed stack; the SEHI100TX itself is alwa ys #1 (regardless of[...]

Monitoring Hub P erf or mance 2-7 Using the SEHI100TX Hub View Hub View P or t Color Codes The Port Status boxes in the Hub V iew are color coded to indicate the portÕs connection status. The colors are consistent for all Port Display Forms except Admin Status; the exceptions are noted below . ¥ Green indicates that the port is active; that is, t[...]

Using the SEHI100TX Hub View 2-8 Monitoring Hub P erformance Figure 2-5. The SEHI100TXÕs Device, Module, and Port Menus Hub performance data available through these menus includes: ¥ Device, Module, and Port status descriptions. ¥ Device, Module, and Port statistics, which provide a complete br eakdown of packet activity . ¥ Device, Module, and[...]

Monitoring Hub P erf or mance 2-9 Using the SEHI100TX Hub View Port display form options are: Load Shows a percentage for each active port that r epresents that portÕs portion of the theoretical maximum traf Þc level Ñ for Ethernet interfaces, 10 megabits per second; for Fast Ethernet interfaces, 100 megabits per second. T raffic Displays port [...]

Using the SEHI100TX Hub View 2-10 Monitoring Hub P erf or mance P or t T ype Provides the following administrative information about the port: ¥ Admin/Link Status indicates the connection status of the port: - ON indicates that the port has a valid link signal or does not support a link signal. - OFF indicates that the port has been turned off thr[...]

Monitoring Hub P erf or mance 2-11 Using the SEHI100TX Hub View Figure 2-6. The Device Status W indow Name and Location These text Þelds help identify this SEHI100TX-controlled HUBStack. The information you enter in the Name and Location boxes is written to the SEHI100TXÕs MIB and appears on the Hub V iew front panel. Contact Use the Contact box [...]

Using the SEHI100TX Hub View 2-12 Monitoring Hub P erf or mance Chassis T ype Displays the type of chassis used for the device (stand-alone). Chec king Module Status Y ou can open a Module Status window ( Figure 2-7 ) for any device in the SEHI100TX-controlled stack. T o open the Module Status window: 1. Click mouse b utton 1 in the Module Index bo[...]

Monitoring Hub P erf or mance 2-13 Using the SEHI100TX Hub View Name This text Þeld can help identify the module, or device; the information entered here does not appear anywher e else in the Hub V iew . T o edit the Module Name: 1. Highlight the te xt in the Name bo x and type in a new name . 2. Press Enter or Return on the ke yboard to save y ou[...]

Using the SEHI100TX Hub View 2-14 Monitoring Hub P erf or mance Active Users This Þeld is not supported by the SEHI100TX-22. Chec king P or t Status Y ou can open a Port Status window ( Figure 2-9 ) for any port in the SEHI100TX- controlled HUBStack. T o open the Port Status window: 1. Click mouse b utton 3 in the Port Index or P or t Status box t[...]

Monitoring Hub P erf or mance 2-15 Using the SEHI100TX Hub View ¥ Active Ñ The port has a valid connection with the device at the other end of the portÕs cable. ¥ Inactive Ñ The device at the other end of the cable is turned off, ther e is a break in the cable, or ther e is no device or cable connected. ¥ Not Supported Ñ The selected port do[...]

Using the SEHI100TX Hub View 2-16 Monitoring Hub P erf or mance ¥ Multi-Mode Fiber: SMA EPIM ¥ Multi-Mode Fiber: ST EPIM ¥ Single-Mode Fiber: ST EPIM T opology T ype Indicates how the port is being used. The available types are: ¥ Station Ñ The port is receiving packets fr om no devices, a single device, or two devices. Note that a port in sta[...]

Monitoring Hub P erf or mance 2-17 Using the SEHI100TX Hub View T o view device statistics at the Device, Module, or Port levels: 1. Displa y the Device , Module, or P or t menu b y clicking mouse b utton 3 in the appropriate area (refer to Figure 2-5 , page 2-8 ). 2. Drag down to Statistics and then right to either General/Errors or Frames and rel[...]

Using the SEHI100TX Hub View 2-18 Monitoring Hub P erf or mance Multicast P ackets The number of multicast packets received by this device, module, or port since the window was last opened or reset. Multicast packets ar e simultaneously addressed to mor e than one address, but fewer than all addr esses. Collisions The number of collisions recor ded[...]

Monitoring Hub P erf or mance 2-19 Using the SEHI100TX Hub View 802.3 speciÞcations, or a node on the net is transmitting without Þrst listening for carrier sense (and beginning its illegal transmission more than 51.2 µ s after the Þrst station began transmitting). Note that in both cases, the occurrence of the errors can be intermittent: in th[...]

Using the SEHI100TX Hub View 2-20 Managing the Hub Knowing the priority scheme employed by the SEHI100TX can tell you a lot about the error counts you ar e seeing. For example, you know that the number of packets counted as CRC errors had only CRC err ors Ñ they were of legal size (not runts or giants) and had no truncated bytes. Y ou also know th[...]

Managing the Hub 2-21 Using the SEHI100TX Hub View Figure 2-1 1. The Polling Intervals W indow 3. T o activate the desired polling, clic k mouse button 1 on the selection bo x to the right of each polling type field. 4. T o change a polling inter val, highlight the v alue you would lik e to change , and enter a new v alue in seconds. Note that the[...]

Using the SEHI100TX Hub View 2-22 Managing the Hub Device Configuration This polling interval controls how often a survey is conducted of the devices installed in your SEHI100TX-controlled HUBStack. P or t Operational State This polling interval controls the update of the information displayed in the Port Status boxes for each port in the device. [...]

3-1 Chapter 3 Link/Seg T raps About Link and Segmentation traps; enabling and disab ling these traps at the de vice , module, and por t le vels Among the traps which Cabletron devices ar e designed to generate are traps which indicate when a repeater port gains or loses a link signal, when the r epeater segments (disconnects) a port due to collisio[...]

Link/Seg T raps 3-2 What is a Link T rap? What is a Link T rap? Some Cabletron Ethernet r epeater ports Ñ including RJ45 twisted pair and Þber optic ports Ñ generate a link signal to monitor the status of their connection with the device at the other end of the cable segment. If the cable is removed or br oken, the portÕs link status goes to Ò[...]

Enabling and Disab ling Link/Seg T raps 3-3 Link/Seg T raps from the Hub View: 1. Click on to displa y the Device men u. 2. Drag down to Link/Seg T raps and release. from the command line (stand-alone mode): 1. F rom the appropr iate director y , type spmarun r4hwtr <IP address> <community name> The main Repeater Link/Seg T raps window [...]

Link/Seg T raps 3-4 Enabling and Disab ling Link/Seg T raps Configuring Link/Seg T raps for the Repeater T o enable or disable Link and Segmentation traps for all ports on a repeater: 1. In the Repeater Link/Seg T raps window , click mouse b utton 1 on the repeater interf ace for which y ou would like to configure link and segmentation traps . 2.[...]

Enabling and Disab ling Link/Seg T raps 3-5 Link/Seg T raps Figure 3-3. The Module T raps W indow 3. In the Module T raps window , click mouse b utton 1 to select the module f or which you wish to configure link and segmentation tr aps. • If the Set T rap Status For field displa ys Selected Modules (the def ault setting), you can clic k to sele[...]

Link/Seg T raps 3-6 Enabling and Disab ling Link/Seg T raps Viewing and Configuring Link/Seg T raps for P or ts T o enable or disable Link and Segmentation traps for individual ports: 1. In the Repeater Link/Seg T raps window , select a repeater in the scroll list. 2. Click mouse b utton 1 on ; the P or t T raps window , Figure 3-4 , will appear .[...]

Enabling and Disab ling Link/Seg T raps 3-7 Link/Seg T raps T o change the setting in the Set T rap Status For field, click on the currently displa yed setting, and drag do wn to select a new setting. 4. Click on the appropriate selection in the Link T raps field to Enable or Disable link traps f or the selected por ts , as desired. 5. Click on t[...]

Link/Seg T raps 3-8 Enabling and Disab ling Link/Seg T raps[...]

4-1 Chapter 4 Repeater Redundanc y Configuring and enabling redundant circuits; monitoring redundant circuits Setting Netw ork Cir cuit Redundancy The redundancy application gives you the ability to deÞne r edundant circuits for your SEHI100TX to ensure that critical network connections r emain operational. Each circuit has a designated primary p[...]

Repeater Redundancy 4-2 Setting Network Circuit Redundancy from the command line (stand-alone mode): 1. F rom the appropr iate director y , type: spmarun r4red <IP address> <community name> The main Repeater Redundancy window , Figure 4-1 , will appear . Figure 4-1. The Repeater Redundancy W indow Configuring a Redundant Cir cuit T o e[...]

Setting Network Circuit Redundancy 4-3 Repeater Redundancy Figure 4-2. The Channel X Redundancy W indow 2. If you w ant to change a circuit’ s name or the number of retries, highlight the appropriate circuit and click . The Change Circuit window , Figure 4-3 , will appear . Figure 4-3. The Change Circuit W indow[...]

Repeater Redundancy 4-4 Setting Network Circuit Redundancy a. In the Name bo x, enter a new circuit name (up to 16 alphan umer ic characters). b . In the Retries box, enter the n umber of retries — that is, the number of times the SEHI100TX tests the connection to the first IP address listed in the Circuit Addresses list bo x before it giv es up[...]

Setting Network Circuit Redundancy 4-5 Repeater Redundancy b . Specify up to 8 por ts that will act as the redundant connections by using the Module and Po r t box es to indicate each por t, and then clicking on to enter each por t into the circuit. c. By def ault, all por ts are created as Inactive Backup ports. Y ou should designate both a Primar[...]

Repeater Redundancy 4-6 Monitoring Redundancy T o clear all redundancy conÞgurations, click on in the All Circuits portion of the window . Reset does the following: ¥ Deletes all entries in the Circuit Addresses box ¥ Changes the status of every Circuit to Disabled ¥ Reverts to previous Cir cuit Name(s) ¥ Clears all module and port entries Mon[...]

Monitoring Redundancy 4-7 Repeater Redundancy T o set the Poll Interval : 1. In the All Circuits bo x, type in a new v alue in the P oll Inter v al field and click . P oll Inter val is the time in seconds betw een retr ies (if the first attempt is unsuccessful). T o set the T est T ime : 1. In the All Circuits bo x, type a new test time in the T [...]

Repeater Redundancy 4-8 Monitoring Redundancy[...]

A-1 Appendix A SEHI100TX MIB Structure SEHI100TX management inf or mation base configuration IETF MIB Suppor t In addition to its proprietary featur es, the SEHI100TX currently supports the following IETF MIB: ¥ RFC 1213 MIB for Network Management of TCP/IP-based Internets: MIB-II SEHI100TX MIB Structure CabletronÕs newer intelligent devices Ñ [...]

SEHI100TX MIB Structure A-2 SEHI100TX MIB Structure information in the other components, even if those components have differ ent community names; the Chassis MGR community names are the same as those assigned via Local Management. SEHI100TX LIM The SEHI100TX LIM, or Local Management, component contains the objects that provide out-of-band manageme[...]

SEHI100TX MIB Structure A-3 SEHI100TX MIB Structure Newer versions of devices with this component-based MIB architectur e have been simpliÞed somewhat; these devices support a single, global set of community names, with small modiÞcations added automatically to accommodate multiple instances of the same MIB component (such as network components).[...]

SEHI100TX MIB Structure A-4 SEHI100TX MIB Structure[...]

Inde x-1 Index A active port 4-5 Active Users 2-13, 2-14, 2-15 Add Circuit Address 4-4 Admin Status 2-10 Admin/Link Status 2-10 Alignment Errors 2-18 A vg Packet Size 2-17 B Broadcast Packets 2-17 C Change Name/Retries 4-3 Charts, Graphs, and Meters 1-3 Chassis MGR A-1 Circuit Name 4-4 Collisions 2-9, 2-18 color codes 2-2, 2-7 community name 2-1 co[...]

Inde x Inde x-2 Link/Seg T raps 2-4 Load 2-9 Local Management A-2 Location 2-3, 2-11 M MAC Address 2-3 Media T ype 2-15 MIB component A-1 MIB component descriptions A-3 MIB I, II 1-3 MIBT ree 1-3 misaligned packets 2-18 Module menu 2-7 Motif 1-4 Multicast Packets 2-18 N Name 2-11, 2-14 O OOW Collisions 2-18 OSF/Motif 1-4 P Poll Interval 4-6 Polling[...]