Cabletron Systems 9H42X-XX manual

MMA C-Plus ™ Remote Mana gement f or the 9H42x-xx Series F ast Ethernet Smar tSwitch ™ Modules Title Page Cabletr on Systems[...]

i Notice Cabletron Systems r eserves the right to make changes in specifications 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, firmware, or softwar e described in this manual is subject to change [...]

ii AppleT alk, Apple, Macintosh, and T okenT alk are register ed trademarks; and Apple Remote Access and EtherT alk are trademarks of Apple Computer , Inc. SmartBoost is a trademark of American Power Conversion ST is a register ed trademark and C++ is a trademark of A T&T Banyan and VINES are r egistered trademarks of Banyan Systems, Inc. cisco[...]

iii ANNEX, ANNEX-II, ANNEX-IIe, ANNEX-3, ANNEX-802.5, MICRO-ANNEX-XL, and MICRO- ANNEX-ELS are trademarks of Xylogics, Inc. MAXserver and Xyplex are trademarks of Xyplex, Inc. 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 s[...]

iv[...]

v Contents Chapter 1 Intr oduction Using the 9H42x-xx User ’s Guide .............................................................................. 1-3 Related Manuals ............................................................................................................ 1-4 Software Conventions ...............................................[...]

Contents vi Creating and Editing a Basic Alarm .................................................................... 3-6 Disabling a Basic Alarm ........................................................................................ 3-9 V iewing the Basic Alarm Log ............................................................................... 3-9 [...]

vii Contents Filtering Database ....................................................................................................... 5-19 Configuring the Filtering Database ................................................................... 5-22 Altering the Ageing T ime ..........................................................................[...]

Contents viii[...]

1-1 Chapter 1 Intr oduction How to use this guide; related guides; software con ventions; getting help; 9H42x-xx fir mware v ersions W elcome to the Cabletron Systems MMAC-Plus Remote Management for the 9H42x-xx Series Fast Ethernet SmartSwitch™ Modules User ’ s Guide. W e have designed this guide to serve as a simple refer ence for using SPEC[...]

Introduction 1-2 Each front-panel port (r egardless of media type or bandwidth capability) can be configured to operate in Full Duplex Switched Ethernet (FDSE) mode. FDSE allows for each 10BaseT port to provide dedicated 20-Mbps bandwidth for connections to file servers or high-end workstations, while 100BaseTX or 100BaseFX ports can be used to d[...]

Using the 9H42x-xx User’ s Guide 1-3 Introduction Using the 9H42x-xx User’ s Guide Remote management for the 9H42x-xx family of modules is available from two main resour ces: the MMAC-Plus Chassis V iew application, which displays and provides management for an MMAC-Plus chassis (and its installed modules); and the individual Module V iews, whi[...]

Introduction 1-4 Related Manuals Related Manuals The MMAC-Plus Remote Management for the 9H42x-xx Series Fast Ethernet SmartSwitch Modules User ’ s Guide is only part of a complete document set designed to provide compr ehensive information about the features available to you through SPECTRUM Element Manager . Other guides which include important[...]

Software Con ventions 1-5 Introduction Figure 1-1. Sample W indow Showing Informational T ext Boxes Device Name Displays the user-defined name of the device. The device name can be changed via the System Group window; see the Generic SNMP Management Module Guide for details. IP Address Displays the device’s IP (Internet Pr otocol) Addr ess; this[...]

Introduction 1-6 Getting Help Using Buttons The button that appears at the bottom of most windows allows you to exit a window and terminate any unsaved changes you have made. Y ou may also have to use this button to close a window after you have made any necessary changes and set them by clicking on an , , or button. An , , or button appears in win[...]

9H42x-xx Firmware 1-7 Introduction Getting Help fr om Cabletr on Systems’ Global Call Center If you need support related to SPECTRUM Element Manager , or if you have any questions, comments, or suggestions related to this manual or any of our products, please feel fr ee to contact Cabletron Systems’ Global Call Center via one of the following m[...]

Introduction 1-8 9H42x-xx Firmware[...]

2-1 Chapter 2 The 9H42x-xx Module Vie w Accessing the Module View; inf or mation display ed in the Module View window; the Chassis Manager window; module management functions; por t configuration The Module V iew window is the main screen that immediately informs you of the status of the front panel interfaces and the INB backplane connection on y[...]

The 9H42x-xx Module View 2-2 Viewing Module Inf or mation from the MMA C-Plus Chassis View: 1. Click the left mouse b utton on the index n umber f or the slot which contains the 9H42x-xx module you wish to manage . 2. On the resulting menu, clic k to select Device Vie w . The 9H42x-xx Module V iew , illustrated in Figure 2-1 , will appear . Vie win[...]

Viewing Module Inf or mation 2-3 The 9H42x-xx Module View By clicking in designated areas of the module’s graphical display (as detailed later in this chapter), or by using the menu bar at the top of the Module V iew window , you can access all of the menus that lead to more detailed device- and port- level windows. Fr ont P anel Information The [...]

The 9H42x-xx Module View 2-4 Viewing Module Inf or mation MA C The physical layer address assigned to the interface thr ough which SPECTRUM Element Manager is communicating with the 9H42x-xx Module. Unless your management station is communicating through the fr ont panel of the module, this will reflect the MAC addr ess of the SMB 10 backplane man[...]

Viewing Module Inf or mation 2-5 The 9H42x-xx Module View Figure 2-2. 9H42x-xx Module V iew Menu Structur e The Device Menu From the Device Menu at the Module V iew window menu bar , you can access the following selections: • Device T ype... , which displays a window containing a description of the device being modeled. • Edit Device T ime... a[...]

The 9H42x-xx Module View 2-6 Viewing Module Inf or mation • Power Supply , Chassis Power Detail , and Environment V iew provide access to windows which provide information about the MMAC-Plus chassis the selected module is installed in. A detailed description of these windows can be found in the Using MMAC-Plus Remote Management User ’s Guide i[...]

Viewing Module Inf or mation 2-7 The 9H42x-xx Module View Refer to your SPECTRUM Element Manager T ools Guide for information on the MIB T ools utility , and to the SPECTRUM Element Manager Remote Monitoring (RMON) User ’ s Guide for more information on the RMON tool. The Help Menu The Help Menu has three selections: • MIBS Supported , which br[...]

The 9H42x-xx Module View 2-8 Viewing Module Inf or mation The P or t Menu The menu for the INB and Ethernet interfaces offers the following selections: • Performance Graph... , which brings up a bridging statistics window specific to the selected interface. • Source Addressing.... , which brings up a window allowing you to see which source add[...]

Viewing Module Inf or mation 2-9 The 9H42x-xx Module View Selecting a P or t Status View T o change the status view of your ports: 1. Click on Por t Status on the men u bar at the top of the Module Vie w window; a menu will appear . 2. Drag do wn (and to the right, if necessar y) to select the status inf ormation you want to displa y . The por t te[...]

The 9H42x-xx Module View 2-10 Viewing Module Inf or mation If you have selected the Admin status mode, a port is considered: • ON if the port is enabled by management. • OFF if it has been disabled through management action. Note that the Admin state reflects the state requested by management; depending on the circumstances, this may or may no[...]

Viewing Module Inf or mation 2-11 The 9H42x-xx Module View I/F Speed If you choose the I/F Speed mode, the interface boxes will display the bandwidth of each individual interface on the 9H42x-xx module: 10M (megabits) for standard Ethernet; 100M for Fast Ethernet; and 2500M for the INB backplane interface. I/F T ype If you choose the I/F T ype mode[...]

The 9H42x-xx Module View 2-12 Viewing Module Inf or mation Figure 2-3. Chassis Manager W indow T o view the Chassis Manager window: 1. Click on Help on the men u bar at the top of the Module View windo w . 2. Click again to select MIBs Supported , and release. Viewing the De vice T ype In addition to the graphical displays described above, the Devi[...]

Viewing Module Inf or mation 2-13 The 9H42x-xx Module View Viewing I/F Summary Inf ormation The I/F Summary menu option available from the Device menu lets you view statistics (displayed both graphically and numerically) for the traffic pr ocessed by each network interface on your device. The window also provides access to a detailed statistics wi[...]

The 9H42x-xx Module View 2-14 Viewing Module Inf or mation Host interfaces and the backplane INB interface), and ethernet-csmacd (for both standard and Fast Ethernet fr ont panel interfaces, and the backplane SMB 10 management interface). Description A text description of the interface: SMB 1 and SMB 10 (for the MMAC-Plus backplane management inter[...]

Viewing Module Inf or mation 2-15 The 9H42x-xx Module View In Packets Packets (both unicast and non-unicast) received by the device interface and delivered to a higher -layer protocol. In Errors Packets received by the device interface that contained errors that pr evented them from being delivered to a higher-layer pr otocol. In Discards Packets r[...]

The 9H42x-xx Module View 2-16 Viewing Module Inf or mation Viewing Interface Detail The Interface Statistics window ( Figure 2-6 ) pr ovides detailed MIB-II interface statistical information — including counts for both transmit and receive packets, and error and buf fering information — for each individual port interface. Color-coded pie charts[...]

Viewing Module Inf or mation 2-17 The 9H42x-xx Module View T ype Displays the interface type of the selected port: ethernet-csmacd, sdlc, or other . The lower portion of the window provides the following transmit and r eceive statistics; note that the first four statistics are also graphically displayed in the pie charts. Unicast Displays the numb[...]

The 9H42x-xx Module View 2-18 Viewing Module Inf or mation P ackets T ransmitted (T ransmit only) Displays the number of packets transmitted by this interface. Making Sense of Detail Statistics The statistics available in this window can give you an idea of how an interface is performing; by using the statistics in a few simple calculations, it’s[...]

Managing the Module 2-19 The 9H42x-xx Module View Figure 2-7. Find Source Address W indow 3. In the te xt field, enter a v alid MA C address in he xadecimal f or mat, then click . If you enter an in valid address — that is , one not in he xadecimal xx-xx-xx-xx-xx-xx- f ormat — an error window will appear indicating that the selected address is[...]

The 9H42x-xx Module View 2-20 Managing the Module Configuring Standard Ethernet P orts The Port Configuration window available for standard Ethernet ports allows you to set an interface to either Standard or Full Duplex Mode. Full Duplex mode effectively doubles the available wir e speed by allowing the interface to both receive and transmit simu[...]

Managing the Module 2-21 The 9H42x-xx Module View Be sure to click on to set your changes; note that the interface’s current mode can be determined by the field selected in the window . Configuring Fast Ethernet P orts For any Fast Ethernet interface, the Port Configuration window allows you to both view and set that port’s available modes. [...]

The 9H42x-xx Module View 2-22 Managing the Module From this window you can manually set the operational mode of the port, or — for 100Base-TX interfaces — set the port to auto negotiation so that the appropriate operational mode can be determined automatically . The mode you set will determine the speed of the port and whether it uses Full Dupl[...]

Managing the Module 2-23 The 9H42x-xx Module View Note that if Auto Negotiation is the selected mode, the Current Operational Mode field will indicate which mode was selected by the link partners. See Setting the Desired Operational Mode , page 2-24 , for more information. Advertised Abilities For 100Base-TX ports which have been configured to op[...]

The 9H42x-xx Module View 2-24 Managing the Module • Link Partner does not support auto negotiation — auto negotiation is either not supported by or is not currently selected on the r emote port. • Unknown — the link partner ’s capabilities could not be determined. When the local node is not set to Auto-Negotiation, this field will be gra[...]

Managing the Module 2-25 The 9H42x-xx Module View F or 100Base-FX por ts, options are: 100Base-FX — 100 Mbps connection, Standard Mode 100Base-FX Full Duplex — 100 Mbps connection, Duple x Mode 2. If you ha ve selected A uto Negotiation (for 100Base-TX por ts only), use the Advertised Abilities field to select the operational capabilities y ou[...]

The 9H42x-xx Module View 2-26 Managing the Module 2. Enter the new time in a 24-hour hh:mm:ss f or mat, either by highlighting the field you wish to change and using the up and do wn arrow buttons , or by simply entering the new v alue in the appropriate field. 3. Click on to sav e the changes, or on to e xit without changes . T o edit the device[...]

Managing the Module 2-27 The 9H42x-xx Module View T o enable or disable bridging for an individual interface: 1. Click on the appropriate por t display bo x to displa y the por t menu. 2. Drag down to select Enable to enab le bridging at the interface , or Disable to disable bridging. Bridging will now be enab led or disab led across the selected p[...]

The 9H42x-xx Module View 2-28 Managing the Module[...]

3-1 Chapter 3 Alarm Configuration Accessing the Basic and Adv anced Alar ms windows; creating a basic alarm; creating an advanced alarm; creating e vents; assigning actions to ev ents; viewing the e vent log Through the RMON Alarm and Event functionality supported by your 9H42x-xx, you can configure alarms and events (and, wher e appropriate, act[...]

Alar m Configuration 3-2 Basic Alarm Configuration Using the Advanced Alarms feature, you can define custom alarms for almost any MIB-II or RMON object, as long as it is present in the device firmwar e and its value is defined as an integer (including counters, timeticks, and gauges). All aspects of these alarms are user -selectable: threshold[...]

Basic Alar m Configuration 3-3 Alar m Configuration Accessing the Basic Alarm Configuration Window T o access the RMON Basic Alarm Configuration window: 1. F rom the Module View , clic k on the appropriate por t interf ace to display the P or t menu. 2. Drag down to Alarm Configuration , and release. The RMON Basic Alar m Configuration windo [...]

Alar m Configuration 3-4 Basic Alarm Configuration Viewing Alarm Status The Basic Alarm Configuration window contains all the fields you need to configure one or mor e of the three basic alarms available for each interface installed in your RMON device: Kilobits — T otal Errors — Br oadcasts/Multicasts Use these fields at the top of the w[...]

Basic Alar m Configuration 3-5 Alar m Configuration Status Displays the current status of the selected alarm type for each interface: Enabled or Disabled. Remember , this status refers only to the alarm type which is selected at the top of the window; each of the other two alarm types can have differ ent states. Log/T rap Indicates whether or not[...]

Alar m Configuration 3-6 Basic Alarm Configuration The remainder of the window fields pr ovide the means for configuring alarms for each available interface. Note that the information provided in this scr een is static once it is displayed; for updated information, click on . Adding or modifying an alarm automatically updates the list. Creating[...]

Basic Alar m Configuration 3-7 Alar m Configuration 5. Any v alue you enter in the Comm unity field will be included in any trap messages issued by y our 9H42x-xx in response to the alar m(s) you are configuring; this value is also used to direct traps related to this alarm to the appropriate management workstation(s): a. If you enter a v alue [...]

Alar m Configuration 3-8 Basic Alarm Configuration 7. In the Rising Action field, click to select the action y ou want your de vice to take in response to a rising alarm: Enable P ort, Disable P or t, or None. Note that this action enables and disab les only bridging at the specified por t, and not the interf ace itself . F or more inf or matio[...]

Basic Alar m Configuration 3-9 Alar m Configuration Disabling a Basic Alarm Using the button at the bottom of the window actually performs two functions: it both disables the alarm and deletes the alarm entry (and its associated event and action entries) from device memory to help conserve device resour ces. In the list box display , the paramete[...]

Alar m Configuration 3-10 Basic Alarm Configuration Figure 3-2. Basic Alarm Log The top portion of the Basic Alarm Log window contains the device information boxes, as well as the Port Number assigned to the interface that experienced the alarm condition and the type of alarm that was triggered; the r emainder of the window contains the following[...]

Adv anced Alar m Configuration 3-11 Alar m Configuration Ad v anced Alarm Configuration The Basic Alarm Configuration window provides a quick and easy way to set up some basic alarms for all of the interfaces installed in your 9H42x-xx. However , if you prefer mor e control over the parameters of the alarms you set (as well as their associated [...]

Alar m Configuration 3-12 Advanced Alarm Configuration The top portion of the window displays the usual device information boxes; the remainder of the window contains the Alarms W atch and Events W atch lists, and the command buttons that allow you to create, edit, and delete entries in those lists, or refr esh the display . The fields in the Al[...]

Adv anced Alar m Configuration 3-13 Alar m Configuration (such as the Hosts component), not present, or unreachable, or it may have been deleted by softwar e but not yet removed fr om memory at the device. An alarm that is underCreation is in the pr ocess of being configured (possibly by another management station), and should not be modified u[...]

Alar m Configuration 3-14 Advanced Alarm Configuration Creating and Editing an Adv anced Alarm The Create/Edit Alarms window ( Figure 3-4 ) allows you to both cr eate new alarms and edit existing ones. When you click on in the Alarms W atch list, the Create/Edit Alarms window will display the parameters of the alarm which is currently highlighted[...]

Adv anced Alar m Configuration 3-15 Alar m Configuration If you wish to create an entirel y new alarm , it doesn’t matter which e xisting alar m (if any) is highlighted when y ou open the Create/Edit Alar ms window; although the window will, b y default, displa y the parameters of whichev er alar m is currently selected, all parameters are edit[...]

Alar m Configuration 3-16 Advanced Alarm Configuration 4. T o select the V ariable to be used for y our alar m, use the MIBT ree panel provided on the right side of the window . (For more inf or mation about how to use the MIBT ree panel, see the MIB T ools chapter in the T ools Guide .) The displa y will def ault to the top of the tree (labeled [...]

Adv anced Alar m Configuration 3-17 Alar m Configuration located in an RMON Statistics table , you can deter mine the appropriate instance by noting the inde x number assigned to the table that is collecting data on the interf ace you’ re interested in. In the case of the default tab les, inde x numbers often mirror interf ace numbers; howe ver[...]

Alar m Configuration 3-18 Advanced Alarm Configuration 6. In the Alarm Interval field, enter the amount of time o ver which the selected v ariable will be sampled. At the end of the interval, the sample v alue will be compared to both the rising and falling thresholds . There is no practical limit to the size of the interval (as the maximum v al[...]

Adv anced Alar m Configuration 3-19 Alar m Configuration 7. Since the first sample taken can be misleading, y ou can use the selections in the Startup Alarm box to disab le either the rising or the falling threshold f or that sample only . If y ou would lik e to e xclude the f alling alarm, select the Rising option; the first sample taken will [...]

Alar m Configuration 3-20 Advanced Alarm Configuration 13. Click to set y our changes. If you ha ve made an y errors in configuring alar m parameters (using an in valid v alue in any field, lea ving a field blank, or selecting an alarm variable which is not resident on the de vice), an error window with the appropriate message will appear . Co[...]

Adv anced Alar m Configuration 3-21 Alar m Configuration Figure 3-5. The RMON Create/Edit Events W indow 2. If y ou are creating a new e vent , use the Index field to assign a unique , currently unused inde x n umber to identify the e v ent. Clic king on the button will automatically assign the lo west av ailable number; you can also click direc[...]

Alar m Configuration 3-22 Advanced Alarm Configuration 3. Click in the Description te xt bo x to enter any te xt descr iption you w ant to identify the e v ent. This description will appear in the Events W atch window and help you distinguish among the e vents y ou hav e configured. 4. Any v alue you enter in the Comm unity field will be includ[...]

Adv anced Alar m Configuration 3-23 Alar m Configuration c. Select both Log and T rap to both log the ev ent occurrence and generate the traps . If you select neither option, the e vent’ s occurrences will neither be logged nor generate traps; unless the e vent includes an action or a series of actions, this eff ectiv ely disab les the e v ent [...]

Alar m Configuration 3-24 Advanced Alarm Configuration Figure 3-6. The RMON Create/Edit Actions W indow 2. The inde x number and description of the e vent with which the action or actions will be associated is displa yed in the Event: field at the top of the window . Information in this field is not editable; to assign actions to a diff erent e[...]

Adv anced Alar m Configuration 3-25 Alar m Configuration Element Manager T ools Guide .) The displa y will def ault to the top of the tree (labeled Internet); there are three wa ys to locate and/or assign the correct variab le: a. If you kno w the exact name of the OID whose v alue you wish to trac k, simply enter the name in the V ariable field[...]

Alar m Configuration 3-26 Advanced Alarm Configuration Deleting an Alarm, Event, or Action T o delete an alarm, event, or action: 1. In the appropriate window , highlight the alarm, ev ent, or action you wish to remov e. 2. Click on to remove . A window will appear asking you to confirm your selection; click on to delete, or on to cancel. When y[...]

How Rising and F alling Thresholds Work 3-27 Alar m Configuration The top portion of the window contains the device information boxes, as well as the event index number and the event description; the log itself includes the following fields: Index This index number is not the event’ s index, but a separate index that uniquely identifies this o[...]

Alar m Configuration 3-28 How Rising and F alling Thresholds Work Figure 3-8. Sample Rising and Falling Threshold Pairs TIP The current version of the Basic Alarms window only allows you to configur e a single pair of thresholds for each alarm variable on each interface; be sur e to keep this hysteresis function in mind when configuring those th[...]

4-1 Chapter 4 Statistics Accessing MIB-II interf ace or RMON statistics from the Module View; a v ailable statistics windo ws Each port menu in the 9H42x-xx Module V iew provides two statistics selections: Statistics and I/F Statistics . Selecting the Statistics option will launch the highest level of statistics available for the selected interface[...]

Statistics 4-2 RMON Statistics RMON Statistics The RMON Ethernet Statistics window ( Figure 4-1 ) pr ovides a detailed statistical breakdown of traf fic on the monitored Ethernet network — including byte, packet, and dropped packet counts; br eakdowns of the packet’s address type; breakdowns of err or packets; and breakdowns of packet frame si[...]

RMON Statistics 4-3 Statistics Ethernet statistics are: Bytes Displays the total number of bytes contained in packets processed on the network segment. This number includes bytes contained in error packets. P ackets Displays the total number of packets processed on the network segment. Again, this number includes error packets. Drop Events This fi[...]

Statistics 4-4 RMON Statistics Fragments Indicates the number of packets processed by the network segment that were undersized (less than 64 bytes in length; a runt packet) and had either a non-integral number of bytes (alignment error) or a bad frame check sequence (CRC error). Jabbers Indicates the number of packets processed by the network segme[...]

RMON Statistics 4-5 Statistics The percentages displayed to the right of the numerical values for these fields indicate what percentage of all packets transmitted on the network segment wer e of the noted size. Unless the network segment has experienced a significant number of runts and/or giants (which ar e not counted in this group), these perc[...]

Statistics 4-6 Interf ace Statistics T o temporarily freeze the statistics display , select the Freeze Stats option; in this mode, statistics will continue to be collected, but the display will not update. T o resume normal updates, click again to de-select the fr eeze option. Printing Statistics The button located at the bottom of the Statistics w[...]

Interf ace Statistics 4-7 Statistics Figure 4-3. Interface Statistics W indow Three informational fields appear in the upper portion of the window: Description Displays the interface description for the currently selected port: Ethernet or INB. Address Displays the MAC (physical) address of the selected port. T ype Displays the interface type of t[...]

Statistics 4-8 Interf ace Statistics The lower portion of the window provides the following transmit and r eceive statistics; note that the first four statistics are also graphically displayed in the pie charts. Unicast Displays the number of packets transmitted to or received fr om this interface that had a single, unique destination address. The[...]

5-1 Chapter 5 Bridging Bridge management ov er view; the Bridge Status window; bridge P erformance Graphs; changing bridge Spanning T ree parameters; configuring the Filtering Database; setting duple x modes; using the por t Source Addressing window Bridging Basics When configured to operate as a traditional switch, your 9H42x-xx Fast Ethernet Sm[...]

Bridging 5-2 An Ov er view of Bridge Management return a r esponse to the source node that contains the route information field indicating which bridge paths the explorer packets took. In futur e communication between the two nodes, the original source node will append the best r oute to the destination node in a Routing Information Field (RIF) of[...]

The Bridge Status Windo w 5-3 Bridging • W ith the Filtering Database window , you can see the contents of the Static and Learned databases — the two address databases which constr uct the IEEE 802.1d Source Address T able. The switch uses the contents of these databases to make its packet filtering and forwarding decisions when using 802.1d b[...]

Bridging 5-4 The Bridge Status Window Figure 5-1. The Bridge Status W indow The Bridge Status window provides the following information for each individual bridging interface; the and buttons allow you to scroll the display to show all available bridge port interfaces. Up Time At the top of the Bridge Status window , you can see the time period (in[...]

The Bridge Status Windo w 5-5 Bridging • Learning (magenta) — the Forwarding database is being created or the Spanning Tree Algorithm is being executed due to a network topology change; the port is monitoring network traffic, learning network addresses. • Blocking (orange) — Spanning T ree Algorithm has configured this port to block (filt[...]

Bridging 5-6 Enabling and Disab ling Br idging Enabling and Disab ling Bridging When you disable a bridge port, you disconnect that port’s network from the bridge entirely . The port does not forward any packets, nor does it participate in Spanning T ree operations. Nodes connected to the network can still communicate with each other , but they c[...]

Bridge Statistics 5-7 Bridging from the Module View windo w: 1. Click on the Bridge label just abo v e the por t status displa ys; the Bridge menu will appear . 2. Drag down to Enable Bridge to enable bridging across all interf aces, or to Disable Bridge to disable bridging across all interf aces. Bridge Statistics There ar e three statistics windo[...]

Bridging 5-8 Bridge Statistics Figure 5-2. Bridge Performance Graph T o access the individual bridge port interface Performance Graph windows: 1. F rom the Br idge Status window , click on the appropriate port button ( ) to displa y the por t menu. or F rom the Module View window , click on the appropriate P or t Index on the module displa y; the P[...]

Bridge Statistics 5-9 Bridging Filtered (Magenta) Filtered The total number of frames filtered by the bridge, at the device or port level. Nothing The Filtered scale is not curr ently measuring the number of packets filtered by the bridge. T otal Errors (Red) T otal Errors The total number of errors experienced by all bridging interfaces on the s[...]

Bridging 5-10 Using Source Addressing Using Sour ce Addressing The Source Addressing featur e allows you to display a list of the MAC addresses communicating through each bridge port interface available on the selected 9H42x-xx module. T o access the Source Addressing windows: 1. F rom the Br idge Status window , click on the appropriate port butto[...]

Bridge Spanning T ree 5-11 Bridging 2. T ype in the new Ageing Time , in seconds, then clic k on . The allowab le range is 10 to 1,000,000 seconds . Bridge Spanning T ree The Bridge Spanning T ree window allows you to display and modify the 9H42x-xx module’s bridge port information and protocol parameters r elating to the Spanning T ree Algorithm[...]

Bridging 5-12 Bridge Spanning T ree T o access the Bridge Spanning T ree window: 1. F rom the Br idge Status window , click on to display the Bridge Status menu. or F rom the Module View window , click on the Bridge label just abov e the por t status displa y; the Bridge menu will appear . 2. Click on Spanning T ree ... . The Bridge Spanning T ree [...]

Bridge Spanning T ree 5-13 Bridging Bridge-level P arameters The Bridge Spanning T ree window pr ovides the following bridge-level information: Bridge Priority This field displays the “priority” component of the 9H42x-xx module’s unique bridge identifier . The Spanning T r ee Algorithm assigns each bridge a unique identifier , which is der[...]

Bridging 5-14 Bridge Spanning T ree Protocol Displays the Spanning T ree Algorithm Protocol type the 9H42x-xx module is currently using. The choices ar e: • 802.1 • DEC (DEC Lanbridge 100) • None The following four fields display values used for various Spanning T ree timers in the course of normal operations. Three of these values — Hello[...]

Bridge Spanning T ree 5-15 Bridging expires, the port transmits its Configuration BPDU to send configuration information to the Root. The Hold T ime is a fixed value, as specified by the IEEE 802.1d specification. P or t-specific Parameter s The following fields are applicable to each bridge port interface pr esent on the selected 9H42x-xx m[...]

Bridging 5-16 Bridge Spanning T ree Designated P or t Displays the network address portion of the Port ID (which includes a manageable Priority component) of the port believed to be the Designated Port for the LAN associated with this port. The Designated Port ID, along with the Designated Bridge and Port Identifier parameters for the port, is use[...]

Bridge Spanning T ree 5-17 Bridging Changing the Spanning T ree Algorithm Protocol T ype T o change the type of protocol used in Spanning T ree: 1. Click the mouse on the appropriate option button: IEEE 802.1 , DEC , or None . 2. Click on . The selected Spanning T ree Algorithm protocol type will be applied to the bridge. If you selected None, the [...]

Bridging 5-18 Bridge Spanning T ree Changing Forwarding Dela y Time If the 9H42x-xx module is the Root Bridge or attempting to become the Root, and you want to change the time period the bridge will spend in the Listening state (e.g. either listening to BPDU activity on the network while moving from the Blocking to the Learning state or in the Lear[...]

Filtering Database 5-19 Bridging Filtering Database When the 9H42x-xx switch is using T ransparent Bridging, the Filtering Database, which makes up the IEEE 802.1d Source Address T able, is used to determine which frames will be forwarded or filter ed between the 9H42x-xx module’s bridging interfaces. T ransparent bridges like the 9H42x-xx use t[...]

Bridging 5-20 Filtering Database At the Filtering Database window ( Figure 5-5 ), you can view the number of entries of each type: Permanent, Static, Dynamic, or Learned. Figure 5-5. The Filtering Database W indow A scrollable Address Entry panel allows you to: • V iew the address entries in the Filtering Database. • Alter an entry’s type (e.[...]

Filtering Database 5-21 Bridging T o access the Filtering Database window: 1. F rom the Br idge Status window , click on to display the Bridge Status menu. or F rom the Module View window , click on the Bridge label just abov e the por t status displa y; the Bridge menu will appear . 2. Click on Filtering Database... . The Filtering Database window[...]

Bridging 5-22 Filtering Database T ype Indicates the type of an entry in the database. The possible types are Static, Dynamic, Learned, Self, or Permanent. Y ou can alter the entry type, as described in the next section. Source P ort Indicates the index number of the port on which the address entry was first detected. A question mark (?) indicates[...]

Filtering Database 5-23 Bridging clicking , a text box will appear stating “Changes have been made. Cancel them?”. Click on Ye s to exit the window without changing the Filtering Database, or No to return to the window . Altering the Ageing Time T o alter the Ageing T ime for Dynamic and Learned entries: 1. Highlight the Ageing Time field with[...]

Bridging 5-24 Filtering Database Changing the P or t Filtering Action Y ou can change the Port Filtering action at each bridge port from its curr ent action to the opposing action. 1. Maneuver the scroll bar until the desired port is in the P or t Filtering panel. 2. Click on the port to alter its filter ing action from forw arding frames from the[...]

Configuring Duplex Modes 5-25 Bridging T o delete an address: 1. Click to highlight the address entry in the Address Entr y panel that you wish to delete from the filtering database. 2. Click on . Clearing All P ermanent, Static, or Dynamic Entries T o erase all Permanent, Static, or Dynamic entries from the Filtering Database, click on the assoc[...]

Bridging 5-26 Configur ing Duple x Modes available standard Ethernet interface; windows accessed fr om the individual bridge port menus allow you to configure duplex mode operation for the selected interface only . T o access the Duplex Modes window: 1. F rom the Br idge Status window , click on to display the Bridge Status menu. or F rom the Mod[...]

Configuring Duplex Modes 5-27 Bridging T o configure the Duplex Mode for any standar d Ethernet interface: 1. In the Duple x Modes window , highlight the interface whose Duple x Mode you wish to change. Note that only one interface can be selected at a time. 2. Double-clic k the selected interface to toggle the Full Duple x setting from ON to OFF[...]

Bridging 5-28 Configur ing Duple x Modes[...]

Inde x-1 Index Numerics 9H42x-xx devices described 1-1 A absolute value 3-2, 3-12, 3-19 accessing the RMON Alarm/Event list 3-11 accessing the RMON Statistics window 4-1 Accum 4-5 Actions MIB 3-23 Admin 2-9 Admin/Link 2-9, 2-10 Advanced Alarms 3-2 Ageing T ime (bridging) 5-19, 5-21 Alarm Instance 3-16 alarm log 3-5 alarm status 3-12 alarm threshold[...]

Inde x Inde x-2 Event T ype 3-22 Events W atch 3-12, 3-13 F falling action 3-5, 3-8 falling alarm threshold 3-1, 3-2, 3-5, 3-6, 3-8, 3-12, 3-18, 3-19 FallingEventIndex 3-19 Fast Ethernet Port Interface Module 1-1 Filtering Database 5-2, 5-19 fInNUcast 3-4 Firmware revisions supported 1-7 Firmware, r evision 2-4 Forwarding 5-4, 5-6 Forwarding Delay [...]

Inde x-3 Inde x peak values 4-2, 4-3, 4-4, 4-5 Permanent entries 5-19 Polling Interval 3-5 port configuration 5-26 port display , color codes 2-2 Port Filtering 5-22 Port Number 3-4 Port Status 2-3 color codes 2-11 Port Status Display 2-8 Port Status Menu 2-6 Port Status V iews 2-9 Priority 5-15 Problems 4-3 Protocol, bridging 5-14 R Rate 2-15 Raw[...]

Inde x Inde x-4[...]