Enterasys Networks IRM2 - Manual

vii Contents Chapter 8 Redundancy (Continued) Reconfiguring a Circuit ................................................................................................ 7-9 Changing Port Status........................................................................................... 7-10Resetting a C...

1-1 Chapter 1 Introduction How to use this guide; related guides; software conventions; getting help; IRM2 firmware versions Welcome to the Enterasys Systems NetSight Element Manager for the IRM2 User ’s Guide. We have designed this guide to serve as a simple reference for using NetSight Element Man...

Introduction 1-2 Related Manuals Chapter 2, The IRM2 Chassis View, describes the visual display of the IRM2-controlled chassis and explains how to use the mouse within the Chassis View; the operation of several chassis-level management functions — such as changing the chassis display, naming boards,...

Software Conventions 1-3 Introduction Software Conventions NetSight Element Manager ’s user interface contains a number of elements which are common to most windows and which operate the same regardless of which window they appear in. A brief description of some of the most common elements appears b...

Introduction 1-4 Software Conventions • Double-clicking means to position the mouse pointer over the indicated target, then press and release the mouse button two times in rapid succession. This is commonly used to activate an object’s default operation, such as opening a window from an icon. Note t...

Software Conventions 1-5 Introduction IP Address Displays the device’s IP (Internet Protocol) address. This will be the IP address used to define the device icon. IP addresses are assigned via Local Management for the IRM2; they cannot be changed via NetSight Element Manager. Location Displays the u...

Introduction 1-6 Getting Help An , , or button appears in windows that have configurable values; it allows you to confirm and SET changes you have made to those values. In some windows, you may have to use this button to confirm each individual set; in other windows, you can set several values at on...

Getting Help 1-7 Introduction Getting Help from the Enterasys Global Call Center If you need technical support related to NetSight Element Manager, contact the Enterasys Global Call Center via one of the following methods: By phone: (603) 332-940024 hours a day, 365 days a year By mail: Enterasys Ne...

2-1 Chapter 2 The IRM2 Chassis View Information displayed in the Chassis View window; the physical and logical chassis views; the Chassis Manager window; Hub management functions The IRM2 Chassis View window is the main screen that immediately informs you of the current configuration of your MMAC ch...

The IRM2 Chassis View 2-2 Viewing Chassis Information Viewing Chassis Information The IRM2 Chassis View window ( Figure 2-1 ) provides a graphic representation of the IRM2 and the hub in which it is installed, including a color-coded port display which immediately informs you of the current configur...

Viewing Chassis Information 2-3 The IRM2 Chassis View Front Panel Information The areas outside the main MIM display area provide the following device information: IP The Internet Protocol address assigned to the IRM2; this field will display the IP address you have used to create the IRM2 icon. IP ...

The IRM2 Chassis View 2-4 Viewing Chassis Information MAC The physical layer address assigned to the IRM2 interface with which NetSight Element Manager is communicating. MAC addresses are hard-coded in the device, and are not configurable. Boot Prom The revision of BOOT PROM installed in the IRM2. F...

The IRM2 Chassis View 2-8 Viewing Chassis Information • Name... , which allows you to assign a name to the selected board; this name will be displayed in many board-level windows. See Setting a Board Name , page 2-17 , for details. • Enable , which allows you to enable all ports on the selected boar...

Viewing Chassis Information 2-11 The IRM2 Chassis View Select one of the Errors options to see what percentage of the total packets received by each active port during the last polling interval was of the error type you selected. This percentage reflects the number of errors generated by devices con...

The IRM2 Chassis View 2-12 Viewing Chassis Information Figure 2-3. The Physical Chassis View The Chassis Manager Window Like most networking devices, Enterasys’ and Cabletron’s devices draw their functionality from a collection of proprietary MIBs and IETF RFCs. The Chassis Manager window, Figure 2-...

Viewing Chassis Information 2-13 The IRM2 Chassis View Figure 2-4. Chassis Manager Window Viewing Hardware Types In addition to the graphical displays described above, menu options available at several levels provide specific information about the physical characteristics of modules and ports in the...

The IRM2 Chassis View 2-14 Managing the Hub 2. Drag down to Module Type.... A Module Type text box, similar to the examples shown in Figure 2-6 , will appear describing the board type. If Module Type is not supported by the selected board, “Unknown” will appear in the text box. Figure 2-6. Sample Mo...

Managing the Hub 2-15 The IRM2 Chassis View 2. Enter the new time in a 24-hour hh:mm:ss format, either by highlighting the field you wish to change and using the up and down arrow buttons, or by simply entering the new value in the appropriate field. 3. Click on to save your changes, or on to cancel...

The IRM2 Chassis View 2-16 Managing the Hub To do so: 1. Select Repeater from the Chassis View menu; drag down to Restart... and release. The IRM2 will be restarted as if it had just been powered up. Configuring the Front Panel Repeater Port Association Using the Port Association option for the IRM2...

Managing the Hub 2-17 The IRM2 Chassis View 3. Click on . The selected port association will take effect; one port will become the active repeater interface and the other will be administratively disabled. The Chassis View display for the IRM2 module will update to reflect the change. Setting a Boar...

The IRM2 Chassis View 2-18 Managing the Hub Enabling and Disabling Ports From the Port menus on the IRM2 Chassis View window, you can enable and disable any individual ports. To enable or disable a port: 1. Click on the desired Port button. The Port menu will appear. 2. Click on Enable to enable the...

The IRM2 Chassis View 2-24 Managing the Hub Testing and Disabling the Current Interface With the Test button you can test the current interface (e.g., by performing a loopback or some other transmission test). With the Test and Disable buttons, you can test or disable the current interface. The oper...

3-1 Chapter 3 Statistics Accessing the Statistics, Timer Statistics, Summary Statistics, and Performance Graph windows; statistics defined; using the Total and Delta radio buttons; setting the Timer Statistics time interval; configuring the performance graphs The statistical information collected an...

Statistics 3-2 Statistics • Transmit Collisions • Receive Collisions • Out-of-Window (OOW) Collisions • Giant Packets • Alignment Errors • CRC Errors • Runts The pie chart to the right of the statistics lets you graphically view your statistics. The colors in the pie chart correspond to the colors f...

Statistics 3-3 Statistics To open the board-level Statistics window: 1. Click on the appropriate Board number to display the board menu. 2. Drag down to Statistics... and release. The board-level Statistics window will appear. To access the port-level Statistics window: 1. Click on the appropriate P...

Statistics 3-4 Statistics Collisions Transmit Displays the number of transmit collisions detected by the device, board, or port. Transmit collisions are those the IRM2 detects while transmitting a packet, which means the IRM2 has transmitted one of the colliding packets. Receive Displays the number ...

Timer Statistics 3-5 Statistics To choose Total or Delta: 1. Click on the Total radio button; after the completion of the current polling cycle plus one complete polling cycle, the screen will display the total count of statistics processed since the most recent start-up of the IRM2. 2. Click on the...

Summary Statistics 3-7 Statistics Bytes Displays the elapsed, average, or peak number of bytes processed by the device, board, or port during the user-defined time interval. Setting the Timer Statistics Interval To set the Timer Statistics time interval: 1. Click on the clock symbol ( ) next to the ...

Statistics 3-8 Summary Statistics • Percent Errors –– errors detected, as a percentage of total packets • Percent Collisions –– collisions detected, as a percentage of total packets The dynamic bar graphs allow you to immediately observe the amount of activity experienced by each board or port; the ...

Summary Statistics 3-9 Statistics 2. Drag down to Summary Statistics... and release. The Board Summary Statistics window, Figure 3-5 , will appear. Figure 3-5. Board-level Summary Statistics Window The board-level Summary Statistics window also has three fields: • The index number assigned to each p...

Statistics 3-10 Performance Graph 2. Drag to select the desired mode: Percent Load, Percent Errors, or Percent Collisions. The button label will change to reflect the new mode, and the bar graph will refresh to display the current value. Performance Graph With the Repeater Performance Graphs, you ca...

Statistics 3-12 Performance Graph transmitting without first listening for carrier sense (and beginning its illegal transmission more than 51.2 µs after the first station began transmitting). Nothing The Errors scale is not currently measuring any type of error packets. Packets Packets The total num...

4-1 Chapter 4 Source Address Functions Using the Find Source Address window; locking and unlocking ports; viewing the source address table; setting the Device Ageing Time Each Cabletron repeater device maintains a Source Address List, or Table (SAT), for each port. This table contains the MAC addres...

Source Address Functions 4-2 Using Port Locking and Unlocking Figure 4-1. Find Source Address Window 3. Enter the Ethernet address you wish to find in a hex XX-XX-XX-XX-XX-XX format in the text box. 4. Click ; if you entered the MAC address incorrectly, a window will appear indicating that you enter...

Using Source Addressing 4-5 Source Address Functions Figure 4-3. Port Source Addresses Window The source address list window displays the MAC addresses of all devices that have transmitted packets through the selected port within a time period less than the SAT’s defined ageing time (addresses that ...

5-1 Chapter 5 Alarm Limits Accessing the repeater, board, and port Alarm Limits windows; setting alarm limits based on percentage of collisions, packet count, broadcast packet count, or percentage of errors; setting the alarm limits time interval; using the Disable Board/Disable Port on Alarm option...

Alarm Limits 5-6 Configuring Alarms OOW Collisions If this check box is selected, all collisions out of the standard collision window (51.2 µ s) will be included in calculating the overall percentage of errors. Out-of-window collisions are typically caused by faulty network design. Giants If this ch...

Configuring Alarms 5-7 Alarm Limits Figure 5-4. Alarm Interval Window 2. Highlight the hour text box (the first box to the left). 3. Click on the up and down arrows to change the time, or type in the new hour time interval. 4. Repeat steps 2 and 3 to set the minutes and seconds of your new time inte...

6-1 Chapter 6 Trap Selection Accessing the Trap Selection window; link state traps, segmentation traps, and source address traps defined; enabling and disabling traps Among the traps which Enterasys and Cabletron devices are designed to generate are traps which indicate when a repeater port gains or...

Trap Selection 6-2 Trap Definitions 2. Drag down to Trap Selection... and release. The Repeater Trap Selection window, Figure 6-1 , will appear. Figure 6-1. Repeater Trap Selection Window Trap Definitions You can enable or disable the following kinds of traps: Link State Traps Some Enterasys and Cab...

Trap Selection 6-4 Configuring Traps when management intervention has re-enabled a port or ports previously disabled in response to a port security violation; the interesting information is hub and port index. Again, see Lock/Unlock Ports in Chapter 4 for more information. Configuring Traps The curr...

7-1 Chapter 7 Redundancy Accessing the redundancy window; establishing a redundant circuit; activating the circuit; testing the circuits; reconfiguring a circuit; changing port status; resetting a circuit The redundancy application allows you to establish redundant circuits on the IRM2’s repeater se...

Establishing Redundancy 7-3 Redundancy Establishing Redundancy You establish redundancy for the selected IRM2 by: • Ensuring that, until redundancy is configured and enabled, only the primary links are physically connected to the network. If you have all your backup ports physically connected before...

Redundancy 7-4 Establishing Redundancy Figure 7-3. Circuit Name Window 3. Enter your new name in the text field, and click OK . The new name will appear in the Current Circuit text box. To exit the window without accepting any changes, click Cancel . Entering the Physical Addresses of Devices to be ...

Establishing Redundancy 7-5 Redundancy Repeat steps 1-3 to designate all devices you wish to poll to test that the current link is active, up to the maximum number permitted by your device’s firmware. 4. To delete an address that has already been added to the list, highlight the entry and click on D...

Redundancy 7-6 Establishing Redundancy Setting the Polling Interval and Number of Retries Once you have configured your redundant circuits, you can set the parameters that the IRM2 uses to monitor them, including the interval (in seconds) between polls of the physical addresses on your Polling Addre...

Activating the Circuit 7-7 Redundancy 2. Enter the number of polls that must entirely fail before the redundant circuit switches to the next backup port, then click . The range is 1–16; the default value is 3. Note that the retry count you set here applies only to the currently selected circuit; you...

Reconfiguring a Circuit 7-9 Redundancy To establish a daily time of day for a test: 1. In the upper right hand corner of the Redundancy Configuration window, click on the gray box to the right of the Test Time of Day text box. The Test Time of Day window, Figure 7-7 , will appear. Figure 7-7. Test T...

Reconfiguring a Circuit 7-11 Redundancy To change a port’s designation from primary to backup, or vice versa: 1. On the altered Chassis View, click on the port whose designation you wish to change. 2. Select Primary or Backup, as appropriate, to change the port’s designation. Note that changing a po...

Index-1 Index A Active link status 7-4 Active Users 1-5, 3-3Add Poll Address window 7-4Admin 2-9, 2-10Admin/Link 2-9Ageing Time 4-5 setting 4-5 alarm limit timer interval 5-6alarm limits 2-18Alignment Errors 5-5Alignment errors 3-4Allow Port to be Disabled on Alarm 5-7 B Board Menus 2-7Board Name 1-...