Instruction/ maintenance manual of the product IRM2 Enterasys
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IRM2 User's Guide.
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i Notice Enterasys Networ ks reserves the righ t to make changes in specifica tio ns and other informa tio n contained in this docum ent without prior notice. Th e reader should in a ll cases consult Enterasys Networks to determine whether a ny such changes have been made.
ii AppleT alk, Apple, Macintosh, and T okenT alk are r egistered tra demarks; and Apple Remote Access and EtherT alk ar e trademarks of Apple Compute r , Inc. SmartBoost is a trademark of American Power Conversion ST is a registered trademark and C++ is a trademark of A T&T Banyan and VINES a re r egistered trademarks o f Banyan Systems, Inc.
iii Restricted Rights Notice (Applicable to licenses to the United States Go vernment only .) 1. Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) o f the Rights in T echnical Data and Computer Softwar e clause at DF ARS 252.
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v Contents Chapter 1 Intr oduction Using This Manual.................... ........... ................. ............ ................ ............ ................ 1-1 Related Manuals........................ ........... ................. ............ .
Contents vi Chapter 3 Statistics Statistics ............................ ........... ................. ............ ................. ........... ................. .... ..... 3-1 Accessing the Statistics W indows ............ ................. .......
vii Contents Chapter 8 Redundancy (Continued) Reconfiguring a Cir cuit .................. ................. ........... ................. ........... ................. ..... 7-9 Changing Port Status......... ........... ................. ............ .
Contents viii.
1-1 Chapter 1 Intr oduction How to use this gu ide; related guides; software conv entions; g etting help; IRM 2 fir mware versions W el come to the Ent e rasys Systems NetSight Elemen t Manager for the IRM2 User ’s G uide. W e have designed this guide to serve as a simple refer ence for using NetSight Element Manage r for the IRM2.
Introductio n 1-2 Related Ma nuals Chapter 2, The IRM2 Chassis V iew , describes the visual display of the IRM2-con trolled chassis and explai ns how to use the mo use wi thin the Chas sis V iew; the .
Software Conventions 1-3 Introductio n Software Con ventions NetSight Element Manager ’ s user interface contains a number of elements which are co mmon to most wi ndows and which operate the same regar dless of w hich window they appear in.
Introductio n 1-4 Soft war e Co nv entio ns • Double- clicking means to position the mouse pointer over the indicated target, then press and release the mouse butto n two time s in rapid success ion. This is comm only used to acti vate an object’s default o peration, su ch as opening a window fr om an icon.
Software Conventions 1-5 Introductio n IP Address Displays the device’s IP (Internet Pr otocol) addr ess. This will be the IP addr ess used to define the device icon. IP addresses ar e assigned via Local Management for the IRM2; the y cannot be changed via NetSight Element Manager .
Introductio n 1-6 Getting Help An , , or button appears in windows that have configurable values; it a llo ws you to confirm an d SET changes you ha ve ma de to those values.
Getting H elp 1-7 Introductio n Getting Help fr om the Enterasys Global Call Cent er If you need techn ical support related to NetSight E lement Manager , contact the Enterasys Global Call Cen ter via.
Introductio n 1-8 Getting Help.
2-1 Chapter 2 The IRM2 Chassis Vie w Informat ion displ a y ed in the Chassis V iew window; the physical and logi cal cha ssis views; the Chassis Manager window; Hub m anagement functions The IRM2 Cha.
The IRM2 Chassis View 2-2 Viewing C hassis Infor matio n Vie wing Chassi s Inf ormatio n The IRM2 C hassis V iew windo w ( Figure 2-1 ) pr ovi des a grap hic r ep re sen tat ion of the IRM2 and the hu.
Vie wi ng Chas sis I nf ormatio n 2-3 The IRM2 Cha ssis View Fr ont P anel Information The ar eas outside the main MIM display ar ea pro vide the following device informatio n: IP The Internet Pro tocol addr ess assigned to the IRM2 ; this field will display the IP address you have used to create the IRM2 icon.
The IRM2 Chassis View 2-4 Viewing C hassis Infor matio n MA C The physical layer address assigned to the IRM2 interface with wh ich NetSight Element Manage r is communicating. MAC addr esses ar e hard- coded in the device, and ar e not configurable. Boot Pr om The r evision of BOOT PROM installed in the IRM2.
Vie wi ng Chas sis I nf ormatio n 2-5 The IRM2 Cha ssis View Figure 2-2. IRM 2 Chassis V iew Menu Structure The D e vice Men u From the Device Menu at the Chassis V iew window m enu bar , you can access the followi ng s elections: • D evice T y pe..
The IRM2 Chassis View 2-6 Viewing C hassis Infor matio n • I /F Summary , which displays a window showin g statistics for th e traffic processed by each network interface on your device. Refe r to Vi e w i n g I / F Summary Infor mation , page 2-18 .
Vie wi ng Chas sis I nf ormatio n 2-7 The IRM2 Cha ssis View • Find Source Address... , which allows you to locate the po rt through which a MAC addr ess is communicating; see Chapter 4, Source Address Fun ctions . • Lock/Unlock Ports... , which allows you to protect the hub from unauthor ized access; see Chapter 4, Source Ad dress Functions .
The IRM2 Chassis View 2-8 Viewing C hassis Infor matio n • Name... , which allo ws y ou to assign a name to the se lected b oa rd; this name will be displayed in many board-level window s.
Vie wi ng Chas sis I nf ormatio n 2-9 The IRM2 Cha ssis View Po r t Ty p e If you ch oose Port T ype , each port status box will display that port’s topology status: sta tion or trunk.
The IRM2 Chassis View 2-10 Viewing C hassis Inf or matio n • NLK (Not Linked) when th e port is on, but ther e is no physical link to the port. This field is a combination of two status conditions: No Link and Port Administrative S ta tus On. If you ha ve s elec ted t he Ad min status mode, a port is consider ed: • ON if the port is enable d.
Vie wi ng Chas sis I nf ormatio n 2- 11 The IRM2 Cha ssis 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 erro r type you selected.
The IRM2 Chassis View 2-12 Viewing C hassis Inf or matio n Figure 2- 3. Th e Physical Chass is View The Chassis Manager Window Like most networking devices, Enterasys’ and Cabletr on’s devices draw their functionali ty from a collection of proprietary MIBs and IETF RFCs.
Vie wi ng Chas sis I nf ormatio n 2- 13 The IRM2 Cha ssis View Figure 2- 4. Ch assis M anager W indow Viewing Hardware T ypes In addition to the graph ical displays described above, menu options avail.
The IRM2 Chassis View 2-14 Mana ging the Hu b 2. Drag down to Module T ype ... . A Modu le T ype text box, similar to the ex amples shown in Fi gure 2-6 , will appea r descr ibing t he board type. If Module T y pe is not suppor ted by the selec ted board , “Unknown” wil l appear in the text box.
Managing the Hub 2-15 The IRM2 Cha ssis View 2. Enter th e new time in a 24 -hour hh:mm :ss form at, either by high lighting the field you wish to chang e and usi ng the up a nd down arrow buttons, or by simply enter ing the n e w value in the a ppropr iate fiel d.
The IRM2 Chassis View 2-16 Mana ging the Hu b T o do so: 1. Select R epeater fr om the Chas sis View menu; drag down to Restar t... and release . The IRM2 will be r estarted as if it had just be en powered up.
Managing the Hub 2-17 The IRM2 Cha ssis View 3. Click on . The sele cted por t assoc iation wi ll take effect; one por t w ill become th e active repeater i nterface and the o ther will be admin istratively disabled. The Chas sis View display f or the IRM2 module wil l update to re flect the ch ange.
The IRM2 Chassis View 2-18 Mana ging the Hu b Enabling and Disabling P orts From the Port menus on the IRM2 Chassis V iew window , you can enable and disable any individual ports. T o enable or disable a port: 1. Click on the d esired Po r t button. The P or t menu wi ll appea r .
Managing the Hub 2-19 The IRM2 Cha ssis View The I/F Summary window pr ovides a variety of descriptive information about each interface on your device, as well as statistics which display each interface’s performance.
The IRM2 Chassis View 2-20 Mana ging the Hu b After you select a new display mode, the statistics (and graphs, where applicable) will refr esh to r eflect the curr ent choice, as described below . Raw Counts The total coun t of netw ork traffic r eceived or transmitted on the indicated interface since device coun ters were last r eset.
Managing the Hub 2-21 The IRM2 Cha ssis View Out Octets The num ber of bytes transmitted by this interface, expressed as a per centage of the theor etical maximum load. When you select this option, a Ba r Graph field will be added to the interface display area; th is field is only available when Load i s the selected base unit.
The IRM2 Chassis View 2-22 Mana ging the Hu b Three informational field s appear in the upper portion of the wind ow: Description Displays the interface description for the curre ntly selected interface: Ethernet. Address Displays the MAC (physical) addr ess of the selected interface.
Managing the Hub 2-23 The IRM2 Cha ssis View Unknown P rotocol (Received only ) Displays the number of packets received which were discar ded because they were created under an unknown or unsupported pr otocol. P ackets Received (R ecei ve d only) Displays the number of packets r eceived by the selected interfa ce.
The IRM2 Chassis View 2-24 Mana ging the Hu b T esting and Disabling the Current Interface W ith the T est but ton you can test the current inter face (e.g., by performing a loopback or some o ther transmission test) . W ith the T est and Disa ble butto ns, you can test or disa ble the current inte rfac e.
3-1 Chapter 3 Statistics Acces sing the S tatistic s, Timer Sta tistics, S ummar y S tatistic s, and P erf or mance Graph w indows; statisti cs defi ned; usin g the T otal a nd Delta radio buttons ; s.
Statis tics 3-2 Statis tics • T ra nsmit Collisio ns • Receive Collisio ns • Out-of -W in dow (O OW) Col lisions • Giant Packets • Alignment Errors • CRC Errors •R u n t s The pie chart to the right of the st atistics lets yo u graphically view yo ur sta tistics.
Statis tics 3-3 Statis tics T o open the board-level Statisti c s win dow: 1. Click on the a ppropr iate Board number to displ a y the b oard menu. 2. Drag down to Statistics... and relea se. The board-level Statistics window will appear . T o access the port-level Statistics wi ndow: 1.
Statis tics 3-4 Statis tics Collisions T ra nsmit Displays th e num ber of transm it col lisions detected by the device, boar d, or port. T ransmit collision s are those the IRM2 detects while transmitting a packet, which mea ns the IRM2 has transmitted one of the colliding packets.
Time r S t ati stic s 3-5 Statis tics T o choose T otal or Delta: 1. Click on the To t a l radio button; afte r the com pletio n of the current p olling cycle plus one complete polling cycle, the sc reen will d isplay the total co unt of stat ist ics pr oces sed s ince t he mo st rece nt st ar t-u p of t he IR M2.
Statis tics 3-6 Timer Statistics 1. Click on R epeater on the Chassis V iew menu bar to di splay the repeater menu. 2. Drag down to T imer Statistics. .. and r elease. The Rep eater Tim er Statisti cs window , Figu re 3-2 , will a ppear . Figure 3-2. T imer Stati stics W indow T o open the board-level T imer Statistics window: 1.
Summa r y Statis tics 3-7 Statis tics Bytes Displays the elapsed, average, or peak number of bytes pr ocessed by the device, boar d, or port during the user- defined time interval. Setting the Timer Statistics Interval T o set the T imer Statistics time interval: 1.
Statis tics 3-8 Summa r y Statis tics • Percent Erro rs –– err ors detected, as a pe rcentage of total packets • Percent Co llisions –– collisions detected, as a percentage of total packet.
Summa r y Statis tics 3-9 Statis tics 2. Drag down to Summary Statistics... and rele ase. The Board S ummar y Statisti cs window , Figure 3-5 , will appear . Figure 3- 5. Bo ard-level Summary Statist ics W indow The board-level Summary S ta tistics window also has three fields: • The index number assigned to each port.
Statis tics 3-10 P erf or mance Grap h 2. Drag to selec t the desi red mode: Per cent Load , Perce nt E rro rs , or Pe rc e n t Collisions . The button label will cha nge to reflec t the new mode, and the b ar graph will refr esh to di splay the cu rrent value.
P er formanc e Graph 3-11 Statis tics T o open the boar d-level Performance Graph w indow: 1. Click on the a ppropr iate Board number to displ a y the b oard menu. 2. Drag down to P erformance Graph... and relea se. The board- le vel P e rf or mance Graph window will appe ar .
Statis tics 3-12 P erf or mance Grap h transmitting without first listening for carrier sense (and beginn ing its illegal tran smission more tha n 51.2 µs after the first station began transmitting). Nothing The Errors scale is not currently measurin g an y type of err or packets.
4-1 Chapter 4 Sour ce Address Functions Using the Find So urce Addr ess win dow; locking and un locking por ts ; viewing the s ource addr ess table; setting the De vice Agein g Time Each Cabletr on repeater d evice maintains a Sour ce Addr ess List, or T able (SA T), for each port.
Source Addres s Functio ns 4-2 Using P or t Loc kin g an d Unlo ck ing Figure 4- 1. F ind Source Address W indo w 3. Enter the Ether ne t address you wi sh to fin d in a h ex XX-XX-XX- XX-XX -XX f or mat in the text box.
Using P or t Lo cking and Unlo cking 4-3 Source A ddress Functions There are two ways to determine whether a port’s topology status is curren tly station or trunk : 1. Bri ng up that p or t’ s Statis tics win dow , and check the Acti v e Users fi eld.
Source Addres s Functio ns 4-4 Using S ource Addre ssing When port locking is enabled, the Locked icon ( ) will display in the Ch assis V i ew win dow . When Port Locking is disabl ed, the Unlocked icon ( ) will display in the Chas sis V iew win dow .
Using So urce Ad dressi ng 4-5 Source A ddress Functions Figure 4 -3. Port Source Addresses W indow The sour ce address list window displays the MAC addr esses of all devices that have transmitt ed pa.
Source Addres s Functio ns 4-6 Using S ource Addre ssing Figur e 4-4. Device Agein g T ime W indow 2. Enter the new Ageing Time in minutes. Allowable times are 1 to 144 0 . 3. Click to accep t the new Ageing Time, or click C ancel to exit the wind o w wit hout making an y cha nges .
5-1 Chapter 5 Alarm Limits Accessi ng the rep eater , board, an d por t A lar m Limit s windows; se tting alar m limits based on percent age of col lisions, packet count, broadc ast packet count, or p.
Alar m Lim its 5-2 Acce ssing the A lar m Limit s Windows Figure 5-1. Repeater Alarm Limits W indow T o access the board-level Alarm Limits window : 1. Click once on th e appropr iate Board number in the Chass is View to dis play the board menu will appe ar .
Accessi ng the Ala r m Limits Wi ndows 5-3 Alar m Lim its Figure 5-2. Boar d Alarm Limits W indow T o access the port-level Alarm Limits window: 1. Click once on th e appropr iate Po r t to display the por t menu. 2. Drag down to Alarm Limits... a nd relea se.
Alar m Lim its 5-4 Acce ssing the A lar m Limit s Windows . Figure 5-3. Port Alarm Limits W indow When using the Alarm Limits scr eens to set your alarm thr esholds, keep in mind that r epeater-level .
Accessi ng the Ala r m Limits Wi ndows 5-5 Alar m Lim its packets were collisions (15 coll isio ns for every good packet). Therefore, the lower you set your thre shold value, the lower the per centage of collisions per goo d packet you are allo wing.
Alar m Lim its 5-6 Configur ing Alar ms OOW Collisi ons If this check box i s selected, all colli sions out of the standard colli sion window (51.2 µ s) wi ll be included in calculating the overa ll percentage of errors. Out-of-window coll isions are typically caused by faulty network design.
Conf ig uring Al arms 5-7 Alar m Lim its Figure 5-4. Alarm Interval W indow 2. Highligh t the hour text bo x (the first box to the left ). 3. Click on the u p and down arrows to change the time, or type i n the new hour time inte r v al. 4. Repeat ste ps 2 and 3 to set the minutes and secon ds of your new time inter val.
Alar m Lim its 5-8 Configur ing Alar ms 5. Repeat ste ps 1-4 for each ty pe of alar m you wish to co nfigure. 6. Click on to sav e the con figuration, then click Cancel to cl ose th e window . Be sure to click on before closing the window , o r your changes will not b e sav ed.
6-1 Chapter 6 T rap Selection Accessi ng the T rap Sele ction window; link sta te traps, segme ntation traps, and source a ddress trap s define d; enabling and disabling traps Among the traps which En.
T rap Select ion 6-2 T rap Definitions 2. Drag down to Tr ap Selection... an d release. The Rep eater T rap S election window , Figu re 6-1 , will a ppear .
T rap Definition s 6-3 T rap Select ion Segmentation T raps Enterasys’ and Cabl etron’s Ethernet r epeaters count col lisi ons at each port. If a port experiences 32 consecutive co llisions, or if.
T rap Select ion 6-4 Configu ring T raps when management intervention has r e-enabled a port o r ports previously disabled in response to a port security vio la tio n; the interesting information is hub and port in dex. Again, see Lock/Unlock Ports in Chapter 4 for more informatio n.
7-1 Chapter 7 Redundanc y Accessi ng the red undancy window; establishing a redund ant circui t; activating the c ircuit; tes ting the circuits ; reconfigu rin g a circui t; changi ng por t s tatus; r.
Redundanc y 7-2 Accessi ng the Redun dancy W indow Figure 7- 1. R edunda ncy Configura tio n W indow Figure 7 -2. Chassis V iew in Redundancy Mode The Redundancy Configuration window , Figu re 7-1 , a.
Establishi ng Redundan cy 7-3 Redundan cy Establishin g Redu nd an c y Y ou est ablish redundancy for the selected IRM2 by: • Ensuring that, until r edundancy is configur ed and enabled, on ly the primary links are physically connected to th e network.
Redundanc y 7-4 Establishi ng Redun dancy Fig u re 7 -3. Circ uit N a me Window 3. Enter your new name i n the text field, an d click OK . The new name will appear in th e Current Circui t text bo x. T o e xit the window without acc epting any changes, cli c k Cancel .
Establishi ng Redundan cy 7-5 Redundan cy Repeat ste ps 1-3 to designa te all devices you wish to poll t o test that the current l ink is ac tive , up to t he maximum number per mitted b y your device’ s fir mware .
Redundanc y 7-6 Establishi ng Redun dancy Setting the P olling Inter val and Numbe r of Retr ies Once you have configur ed your redun dant circuits, you can set the parameters that the IRM2 uses to mo.
Activating the Circui t 7-7 Redundan cy 2. Enter th e number of p olls that must entirely f ail bef ore the redu ndant cir cuit s witch es to the n e xt backup por t, then click .
Redundanc y 7-8 T esting t he Circuits T o disable a circuit: 1. Use the dr op-down list to display the app ropria te circui t in the Curr ent Circui t text bo x; note th at the cur rent status of the sel ected ci rcuit (enabled or disabled) is display ed just below the Cur rent Circuit t e xt box.
Reconfigu rin g a Circu it 7-9 Redundan cy T o establish a daily ti me of day for a test : 1. In the upper right ha nd cor ner o f the Redundan cy Config uration window , click on the gra y bo x to the righ t of the T est Time of Day te xt bo x. The T est Time of Da y window , Figure 7-7 , will appear .
Redundanc y 7-10 Reco nfigur ing a Circ uit Redundancy w ill n o longer be in effect for that circuit, and you can now recon figure and r e-enable it. Changing P ort Status T o specify a port as the current a ctive link: 1. On the al tered Cha ssis View , c lick on the por t that you wish to speci fy as the active link por t.
Reconfigu rin g a Circu it 7-11 Redundan cy T o change a port’s designation fro m primary to backup, or vice versa: 1. On the al tered Cha ssis View , c lick on the por t whose d esignation you wi sh to chang e. 2. Select P rim ary or Backup , as approp riate, to change th e por t’ s desi gnation.
Redundanc y 7-12 Reco nfigur ing a Circ uit 2. If you select Y es , a ll circuits will be reset to thei r initi al default status, regardles s of whethe r they are currently enabled or disabled. If you selec t N o , circuits will rema in in thei r curren t conditi on.
Index-1 Index A Active link status 7-4 Active Users 1-5, 3-3 Add Poll Addr ess window 7-4 Admin 2-9, 2-10 Admin/ Link 2 -9 Ageing T ime 4-5 setting 4-5 alarm limit timer interval 5-6 alarm lim its 2-1.
Index Index-2 I I/F Su mm ar y win dow 2 -19 Interface Detail window 2-21 testing or disabl ing an interfac e 2-24 Interface Gr oup windo w 2-21 Interface Statistics window 2-21 IP add ress 1-5, 2 -3 .
Index-3 Index Soft Err ors 3-4 Source Address T raps 6-1 Source Addresses window 4-5 accessing 4-4 sourceAddr essT imeout 6-3 Stat istics w indow board level 3-3 port level 3-3 repeater level 3-2 Summ.
Index Index-4.
An important point after buying a device Enterasys IRM2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Enterasys IRM2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Enterasys IRM2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Enterasys IRM2 you will learn all the available features of the product, as well as information on its operation. The information that you get Enterasys IRM2 will certainly help you make a decision on the purchase.
If you already are a holder of Enterasys IRM2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Enterasys IRM2.
However, one of the most important roles played by the user manual is to help in solving problems with Enterasys IRM2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Enterasys IRM2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
