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Viewing I/F Summary Information

2-37

The MicroMMAC-T Chassis View

Non-Unicast

Displays the number of packets transmitted to or received from this interface that
had a destination address that is recognized by more than one device on the
network segment. The multicast field includes a count of broadcast packets —
those that are recognized by all devices on a segment. These statistics are
displayed in the pie chart, color-coded dark blue.

Discarded

Displays the number of packets which were discarded even though they
contained no errors that would prevent transmission. Good packets are typically
discarded to free up buffer space when the network becomes very busy; if this is
occurring routinely, it usually means that network traffic is overwhelming the
device. To solve this problem, you may need to re-configure your bridging
parameters, or perhaps re-configure your network to add additional bridges or
switches.

These statistics are displayed in the pie chart, color-coded magenta.

Error

Displays the number of packets received or transmitted that contained errors.
These statistics are displayed in the pie chart, color-coded red.

Unknown Protocol

(Received only)

Displays the number of packets received which were discarded because they were
created under an unknown or unsupported protocol.

Packets Received

(Received only)

Displays the number of packets received by the selected interface.

Transmit Queue Size

(Transmit only)

Displays the number of packets currently queued for transmission from this
interface. The amount of device memory devoted to buffer space, and the traffic
level on the target network, determine how large the output packet queue can
grow before the MicroMMAC-T will begin to discard packets.

Packets Transmitted

(Transmit 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 also possible to
get a sense of an interface’s activity level:

To calculate the percentage of input errors:

Received Errors /Packets Received

To calculate the percentage of output errors:

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Содержание NetSight Element Manager

Страница 1: ...MicroMMAC T User s Guide...

Страница 2: ......

Страница 3: ...ed Software is virus free Copyright April 2000 by Enterasys Networks All rights reserved Printed in the United States of America Order Number 9031583 04 April 2000 Enterasys Networks P O Box 5005 Roch...

Страница 4: ...ter AT Operating System 2 Personal System 2 RISC System 6000 and Workplace Shell are trademarks of International Business Machines Corporation i960 microprocessor is a registered trademark and Intel a...

Страница 5: ...operative 3 Reproduced for safekeeping archives or backup purposes 4 Modified adapted or combined with other computer software provided that the modified combined or adapted portions of the derivative...

Страница 6: ...iv...

Страница 7: ...sis Manager Window 2 12 Viewing Hardware Types 2 12 Device Type 2 13 Module Type 2 13 Managing the Hub 2 13 Management Station Configuration 2 14 Accessing the TR Management Station Configuration Wind...

Страница 8: ...2 Setting the Statistics Poll Interval 3 3 Network Level Statistics 3 4 Accessing the Network Statistics Selections 3 4 The Network Statistics Window 3 4 General Information Fields 3 4 Ring Status Fi...

Страница 9: ...Window from the Port Menu 4 5 Accessing the Station Alarm Limits Window from the Station List 4 6 Accessing the Station Alarm Limits Window from the Station Map 4 6 Setting Station Level Alarm Limits...

Страница 10: ...Contents viii...

Страница 11: ...models are functionally identical the only difference among them is the configuration of the front panel ports the MicroMMAC 22T has 12 built in active UTP RJ45 lobe ports the MicroMMAC 24T has 24 bui...

Страница 12: ...ated documentation describes certain software conventions and shows you how to contact the Enterasys Networks Global Call Center Chapter 2 The MicroMMAC T Chassis View describes the visual display of...

Страница 13: ...m and Event Handling User s Guide Enterasys Network Troubleshooting Guide Microsoft Corporation s Microsoft Windows User s Guide For more information about the capabilities of the MicroMMAC T consult...

Страница 14: ...er over the indicated target then press and release the appropriate mouse button This is most commonly used to select or activate objects such as menus or buttons Double clicking means to position the...

Страница 15: ...n to confirm each individual set in other windows you can set several values at once and confirm the sets with one click on the button The button brings up a Help text box with information specific to...

Страница 16: ...nagement for the MicroMMAC T they cannot be changed via NetSight Element Manager Location Displays the user defined location of the device The location is entered through the System Group window see t...

Страница 17: ...e Refer to Chapter 2 for information on the Chassis View and Chassis Manager windows Getting Help from Enterasys Global Call Center If you need technical support related to NetSight Element Manager co...

Страница 18: ...ys Web site http www enterasys com NOTE For the highest firmware versions successfully tested with NetSight Element Manager 2 2 1 refer to the Readme file from the NetSight Element Manager program gro...

Страница 19: ...oint of access to all other MicroMMAC T windows and screens which are discussed at length in this and the following chapters To access the MicroMMAC T Chassis View window use one of the following opti...

Страница 20: ...isplay as detailed later in this chapter or by using the menu bar at the top of the Chassis View window you can access all of the menus that lead to more detailed device network module and port level...

Страница 21: ...ished with the MicroMMAC T Red indicates it is not responding to device polls device is off line or device polling has failed across the network for some other reason UpTime The amount of time in a da...

Страница 22: ...twork module and port level options as well as utility applications that apply to the device The following illustration displays the menu structure and indicates where to click to access the various m...

Страница 23: ...evice being modeled see Viewing Hardware Types page 2 12 for details NOTE Additional menus e g FDDI and or menu options may be available from the Chassis View if you have a BRIM installed in the Micro...

Страница 24: ...anagement station including setting a device name and location setting the error report timer delay enabling or disabling the automatic beacon recovery process ABRP and inhibiting the active monitor Y...

Страница 25: ...alarms window see Chapter 4 Token Ring Alarms for alarm configuration information Station List which allows you to view and configure the stations on the currently monitored ring network see Chapter 5...

Страница 26: ...u to enable or disable all ring ports on the selected module These selections will only appear in the Module menu for modules which have ring in out ports See Enabling and Disabling Ports page 2 31 fo...

Страница 27: ...llowing selections Ring Port Status which invokes the Ring Port Status window See Viewing Ring Port Status page 2 21 for details Enable Disable which allow you to administratively enable or disable th...

Страница 28: ...disabled by management and there is a station linked to that port INS inserted when the port has been enabled by management and there is a station linked to that port If you have selected the Admin st...

Страница 29: ...pped when there has been a termination of data communications at the port and data has been rerouted to the backup path Port Status Color Codes The port display options incorporate the following color...

Страница 30: ...component might contain objects from several different proprietary MIBs and RFCs The Chassis Manager window Figure 2 3 is a read only window that displays the MIBs and the MIB components and therefore...

Страница 31: ...own to Module Type A Module Type text box similar to the example shown in Figure 2 5 will appear describing the module type If Module Type is not supported by the selected module Unknown will appear i...

Страница 32: ...the Configuration selection The TR Management Station Configuration window will appear The TR Management Station Configuration window Figure 2 6 allows you to specify the ring functions that the on bo...

Страница 33: ...identifier The station s physical drop is an administratively assigned numeric string that you can use to identify a station s physical location If assigned the drop will appear as a subvector in cert...

Страница 34: ...covery If the Automatic Beacon Recovery Process ABRP option is enabled the selected management station will automatically attempt to repair its ring when it detects an unusually high concentration of...

Страница 35: ...val in seconds by clicking on the appropriate I bar cursor and entering the desired value in the resulting window Allowable values for of Ring Port Retries are 0 100 and 999 where 0 will disable retri...

Страница 36: ...ore than one ring network residing in your hub you can view information for each ring by using the Previous and Next buttons By default the rings are identified only by an index number Ring 1 is the M...

Страница 37: ...includes only those inserted stations physically present in the same hub as the MicroMMAC T and only those which are part of the MicroMMAC T s management domain Ports Enabled This field indicates the...

Страница 38: ...for the desired module The Module menu will appear 2 Drag down to Status The Token Ring Board Status window will appear Figure 2 10 The Token Ring Board Status Window Token Ring Board Status Window F...

Страница 39: ...ode AutoMode This field indicates whether the module is in Management Mode hardware defaults have been altered through NetSight Element Manager or is in AutoMode set to operate according to hardware d...

Страница 40: ...e MicroMMAC T was reset or the date and time that a wire fault on the selected port last occurred Media Type This field allows you to select the media type of the ring port This field does not apply t...

Страница 41: ...e concentrator to a module that supports autowrap you must disable the phantom current to the module that supports autowrap for the connection to be valid Remember though once you have disabled the ph...

Страница 42: ...n Cancel to cancel Using an Uninterruptable Power Supply UPS Your MicroMMAC T supports the use of a UPS uninterruptable power supply through the COM 1 port For more information on the use of a UPS wit...

Страница 43: ...ount of time that your UPS has been running since the last start up The line voltage and battery output The actual battery capacity of the UPS dynamic bar graph You can also use a button at the bottom...

Страница 44: ...rted up Line Voltage Displays the voltage coming through the line attached to the MicroMMAC T Battery Output Displays the amount of battery output voltage Battery Capacity Displays the percentage of r...

Страница 45: ...bove Using the Test Option You can use the test option to activate a self test cycle for your unit This self test will check the viability of your unit and its battery To activate the test 1 Click on...

Страница 46: ...device to the hub such as a ring analyzer that does not participate in the normal operation of token ring protocol In this case you will want to disable Port Mapping for the port to which that device...

Страница 47: ...r remove themselves from the ring i e the port status changes from INS to ENB By default these traps are disabled at a station to reduce the amount of management traffic on your network You can use Ne...

Страница 48: ...in the Chassis View window The Board pull down menu will appear 2 Click on Enable Link Traps or Disable Link Traps as desired Link traps will be enabled or disabled for all ports on the selected board...

Страница 49: ...le the ports or Disable Station Ports to disable the ports The module s station ports will now be enabled or disabled as desired To enable or disable an individual station port 1 Click on the Port Ind...

Страница 50: ...rt into a ring out port The converted port will assume the full functionality of a ring out port and will reflect as such in the Chassis View window The port status will now display as that of a ring...

Страница 51: ...eld lists the amount of time in a days hh mm ss format that the device has been running since the last start up Index The index value assigned to each interface on the device Type The type of the inte...

Страница 52: ...refresh to reflect the current choice as described below Raw Counts The total count of network traffic received or transmitted on the indicated interface since device counters were last reset Raw cou...

Страница 53: ...e number of bytes transmitted by this interface expressed as a percentage of the theoretical maximum load When you select this option a Bar Graph field will be added to the interface display area this...

Страница 54: ...he selected port ethernet csmacd The lower portion of the window provides the following transmit and receive statistics note that the first four statistics are also graphically displayed in the pie ch...

Страница 55: ...Displays the number of packets received or transmitted that contained errors These statistics are displayed in the pie chart color coded red Unknown Protocol Received only Displays the number of packe...

Страница 56: ...d To calculate the percentage of outbound packets that were discarded Transmit Discards Packets Transmitted NOTE Unlike the Interface Detail window which this window replaces the Interface Statistics...

Страница 57: ...e and protocol statistics and performance graphs Statistics Window Features Many of the token ring statistics windows allow you to measure and view statistics according to different scales and set a t...

Страница 58: ...irst inserted These totals are read from the device and updated at each subsequent polling interval Click on the Delta radio button After the completion of the current polling cycle plus two more poll...

Страница 59: ...h instance of a statistics window by using the clock symbol found in the Statistics and Timer Statistics windows Note that the poll interval returns to its default value each time you close and then r...

Страница 60: ...raphs Frame Size Protocol Accessing the Network Statistics Selections To access the Network Statistics selections 1 At the MicroMMAC T Chassis View window click on the Network menu selection then on t...

Страница 61: ...otal Delta or Cumulative Counts page 3 1 for details Set the time interval to update information from 1 second to 23 hours 59 minutes 59 seconds by using the clock symbol at the bottom of the window S...

Страница 62: ...d Last Beacon fields are read from the device Total update and are not subject to Delta or Cumulative update options Beacon States This field lists the count of beaconing occurrences on the ring Longe...

Страница 63: ...han one Active Monitor Present AMP or Standby Monitor Present SMP frame with the Address Recognized Indicator ARI and Frame Copied Indicator FCI bits set to 0 without receiving an intervening AMP fram...

Страница 64: ...the hard coded address on the adapter and duplicate addresses are checked for when a station inserts itself into the ring However a system administrator can pass a locally assigned address to the ada...

Страница 65: ...have set See Viewing Elapsed Average and Peak Activity Levels page 3 2 for details about the Timer Statistics chart measurements You can also refresh the statistics at any time by clicking on the Cle...

Страница 66: ...u the amount of traffic going through the network as well as the number of network events errors ring purges or beacon states it has experienced You select the type of events to monitor by using the b...

Страница 67: ...s theoretical maximum load 4 or 16 Mbits sec Nothing The Traffic scale is not currently measuring the traffic or load processed by the network Configuring the Network Performance Graph 1 Using the mou...

Страница 68: ...dow These frame size statistics are presented in numerical bar graph and pie chart form Total and Delta Graph Display You can choose whether to view the total count of frame sizes Total or to view the...

Страница 69: ...up Using the Pie and Bar Radio Buttons You can use the Pie and Bar radio buttons to switch from the bar graph to the pie chart to view the size of frames passing through the MicroMMAC T Both graph typ...

Страница 70: ...Manager Magenta All other protocols Orange These protocol statistics are presented in numerical bar graph and pie chart form Total and Delta Graph Display You can choose whether to view the total coun...

Страница 71: ...hart or bar graph 1 Click on the Pie or Bar radio button The Pie chart or the Bar graph as you have selected will appear on the window Management Station Statistics Through the Device menu you can vie...

Страница 72: ...ing interval Delta or accumulated from zero at a user defined point Cumulative See Setting Total Delta or Cumulative Counts page 3 1 for details Set the time interval to update information from 1 seco...

Страница 73: ...lack of internal buffering FC Errors The management station s count of PDU detected on the ring with the A bits already set to 1 which indicates a possible electrical line disturbance or a duplicate...

Страница 74: ...of the phantom current A station detecting this condition will remove itself from the ring Remove Frames Indicates that a Remove MAC frame has been detected on the ring A Remove MAC frame forces the r...

Страница 75: ...Graph 3 Click the mouse to highlight your selection The associated window will appear Each window is described in the following three sections The Station Statistics Window The Station Statistics win...

Страница 76: ...e station attached to the selected port Link Time The length of time in days hours minutes and seconds that the selected station has been inserted into the ring The Station Statistics Window Performan...

Страница 77: ...uences The number of times the selected port has transmitted abort sequences during transmission Internal Errors The number of recoverable internal errors detected by the selected port indicating that...

Страница 78: ...val text box at the bottom of the screen Figure 3 12 Station Timer Statistics Window Two fields directly above the bar graphs identify the currently selected port by its board and port number and its...

Страница 79: ...es Displays the elapsed average and peak levels of good frames generated by the station attached to the port Errors Displays the elapsed average and peak levels of errors received by the station port...

Страница 80: ...If you change the parameters the Performance Graph will refresh and the button label will change to reflect the selection Using the Traffic button with the blue square marker to its left at the botto...

Страница 81: ...marker to its left The Total Errors pull down menu will appear 2 Click on the desired Total Errors mode Total Errors or Nothing The mode you have chosen will appear in the button The Performance Graph...

Страница 82: ...Token Ring Statistics 3 26 Port Level Statistics...

Страница 83: ...an configure and set station level alarms for individual stations on a ring Ring Level Alarm Limits When you access the Alarm Limits window Figure 4 1 from the Network menu you can configure and set a...

Страница 84: ...Network Events The following thresholds listed in the section of the window labeled Ring Errors are based on the number of occurrences of the selected event on the ring within a user defined time int...

Страница 85: ...f frames that can be transmitted on the ring within the time base before the alarm limit is reached For a network running at 16 Mbits sec the default value is 33 890 This number represents the maximum...

Страница 86: ...A or C bits The default value is 2 Rx Congestion The threshold at which the port cannot copy a frame addressed to it because of a lack of internal buffering The default value is 124 Setting Ring Level...

Страница 87: ...ide for more information on viewing the alarm logging facility Station Level Alarm Limits You may also set Station level alarm limits for individual stations on the currently monitored ring network vi...

Страница 88: ...ndow Figure 4 2 will appear 5 Set the station alarm limits as instructed in the Setting Station Level Alarm Limits section below Accessing the Station Alarm Limits Window from the Station Map To acces...

Страница 89: ...the alarm is activated 4 Highlight the hour minute or second field and type the desired interval in each or click the cursor in the desired field and click on the appropriate arrow to scroll the inter...

Страница 90: ...ts are now set When an alarm threshold is exceeded an alarm will be generated To view a list of the alarms check NetSight Element Manager s alarm logging facility Refer to the Alarm and Event Handling...

Страница 91: ...ce graphs for each inserted ring station including the MicroMMAC T s onboard management station and also remove stations from the ring You can also set alarm limits for individual stations through the...

Страница 92: ...ing you are monitoring Note this address always displays in Canonical format Number of Nodes Stations The number of stations inserted into the ring that you are monitoring Address Mode The Address Mod...

Страница 93: ...ex into which the station is inserted Note that if the station is not attached to the MicroMMAC T this field will list unknown since no link is detected to the MicroMMAC T itself Total Soft Errors The...

Страница 94: ...at its MAC adapter is functioning correctly If the station fails the loopback test it will stay off the ring If it passes the test its actions will depend on the adapter s manufacturer Cabletron DNI c...

Страница 95: ...ienced at the particular port To view a station s performance graph 1 Click on the Performance Graph radio button at the bottom left of the window 2 Double click on the station for which you want to v...

Страница 96: ...ation Statistics windows for stations attached to the currently monitored ring Although statistics are only reset for the stations attached to the currently monitored hub the reset will be reflected i...

Страница 97: ...p window will appear Station Map Window Fields Active Monitor Indicates the physical address of the Active Monitor on the ring Note this address always displays in Canonical format Number of Nodes Ind...

Страница 98: ...roMMAC T is initially presented in one of two positions If the entire ring fits in the display panel the MicroMMAC T is represented by the topmost 12 o clock station square If the ring exceeds the pan...

Страница 99: ...isappear by positioning the cursor on the box and pressing the left mouse button Each station text box contains the following information Name The name assigned to the station through remote managemen...

Страница 100: ...k on this option to remove the selected station from the ring so that it can perform a loopback test When you click this button the MicroMMAC T sends a Remove MAC Frame to the selected station Upon re...

Страница 101: ...idual node text boxes will disappear Figure 5 4 Station Map in Zoom Mode with Command Menu Left Right Button Double Click When Cursor is Near Station The display will zoom to the vicinity of that node...

Страница 102: ...roll box reaches its upper or lower limit you can only continue scrolling in the same direction by using the scroll arrows Page Up Click on Track Above Scroll Box Rotates the ring counterclockwise by...

Страница 103: ...ap window just like any other window by moving the cursor to the window s boundary the cursor will display as a two headed arrow depressing the left mouse button and dragging to shrink or expand the w...

Страница 104: ...The Station List and Station Map 5 14 The Station Map...

Страница 105: ...on 2 3 BRIM 1 1 2 5 2 9 buffer space 2 37 Burst 4 4 Burst Errors 3 7 3 16 3 21 BYP bypassed 2 10 C Cancel button 1 5 Chassis Information 2 2 Chassis Manager Window 2 12 Claim Tokens 4 3 color codes 2...

Страница 106: ...6 3 21 Line Voltage 2 26 Link Time 3 20 Link Traps 2 29 LNK linked 2 10 Load 2 10 2 35 Lobe Wire Fault 3 18 Location 1 6 3 20 Logical Status 2 33 Longest Beacon 3 6 Lost Frames 3 8 3 17 3 21 4 3 M MAC...

Страница 107: ...s 2 11 2 21 Ring Ports 2 21 Ring Ports On 2 21 Ring Purges 3 6 4 2 Ring Speed 3 5 Ring Speed Fault 2 21 Ring View 2 11 Ring Level Alarm Limits 4 1 Ring Level Station Alarms 4 3 Rotating the Station Ma...

Страница 108: ...Timer Valid Transmission 3 8 U Unicast 2 36 Unit Failed 2 26 Unit in test 2 26 Unit OK 2 26 Unknown Protocol 2 37 Up 5 9 Up Time 2 33 UPS ID 2 26 UPS Uptime 2 26 UpTime 2 3 Utilities Menu 2 7 V Viewin...

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