Enterasys IRM2 manuale d’uso

IRM2 User's Guide[...]

[...]

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. The har dwar e, firmwar e, or softwar e described in this manual is subje ct[...]

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. c[...]

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 252.227 -7013. Enterasy s Networks , 35 Ind ustrial W ay , R[...]

iv[...]

v Contents Chapter 1 Intr oduction Using This Manual.................... ........... ................. ............ ................ ............ ................ 1-1 Related Manuals........................ ........... ................. ............ ................ ............ ................ 1-2 Softwar e Conventions .............. ........... [...]

Contents vi Chapter 3 Statistics Statistics ............................ ........... ................. ............ ................. ........... ................. .... ..... 3-1 Accessing the Statistics W indows ............ ................. ........... ................. ........... .... 3-2 Statistics Defined ............................. ......[...]

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

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. The IRM2 is an[...]

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 operation of several chassis-level management function s — such as changing the chassis display , naming boar ds, enabling and disabling boa rds and[...]

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. A brief description of some of the m ost common elements appears below; note that the infor mation pr ovid[...]

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. Note that ther e is a distinction mad[...]

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 . Location Displays the user-defin ed location of the device. The [...]

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. In some wind ows, you may have to use this button to confirm each individual set; in other windows, you ca n set several values at once and co nfirm the sets with one click on[...]

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 one of the f ollowing method s: By phone: (603) 33 2-9400 24 hours a day , 36 5 days a year By mail: Enterasys Networks T ech nical Support Rochester[...]

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 Chassis View window is the mai n scre en that immediately informs you of the curren t configuration of your MMAC cha ssis via a graphical display of the [...]

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 hub in which it is installed, including a color -coded port display which immediately informs you of the current configuration and status of all the boa[...]

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. IP addresses are assigned via Local M[...]

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. Firmware The r evision of device firmwa[...]

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... , which displa ys a window contain ing a description of the device being modeled (i.e., IRM2 ). ?[...]

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 . • Ex it , which closes the IRM2 Chassis V iew window . The View Menu The V iew menu lets you ch[...]

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. See Setting a Board N ame , page 2-17 , for deta ils. • Enable , which allows you to enable all ports on the selected boar d; see Enabling Bo ards , page 2-1[...]

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. A station port (displayed as S T A) is one w hich has zero or one source addr esses in its so urce address table; a trunk port (designated TRK) has two or more sou[...]

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. This percen tage reflects the n umber of erro rs generated by devices connected to that port in r elation to th[...]

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. The Chassis Mana ger win dow , Figure 2-4 , is a read-only w indow that di[...]

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 available at several levels provide specific informati on about the physical chara cteristi cs of modules and ports in the IRM2-co ntrolled hub, as well as[...]

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. Figure 2- 6 . Sampl e Module T ype T e xt Boxes M[...]

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. 3. Click on to save your changes, or on to canc el. T o edit the device date: 1. Cli[...]

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. Configuring the Fr ont P a nel Repeater P or t Association Using the Port A ssociation opti on for the IRM2, you ca n s et which of th e IRM[...]

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. Setting a Boar d Name From the Bo ard menu s on [...]

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 . 2. Click on Enable to enable the por t, or Disable to disable the po[...]

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 following descriptive information is pr ovided for each interf ace: UpTime The UpT ime field lists the amount of time, in a da[...]

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. Raw counts a[...]

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. Rate The count for t[...]

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. Ty p e Displays the interface type of the selected por t: ethern[...]

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. T ransmit Queue S ize (T ransmit [...]

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. The operational states of these two option[...]

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 ; setting the Timer Statisti cs time inter val; configur ing the perfor mance graphs The statistica l information co llected and stored by your IRM2 prov[...]

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. The colors in the pie chart corr espond to the colors for Packets (gree [...]

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. Click on the a ppropr iate Po r t to disp la y the por t menu[...]

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. Receive Displays the num b er of receive collisions detected by th[...]

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. 2. Click on the Del ta radio butto[...]

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. Click on the a ppr[...]

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. Click on the c lock symbol ( ) next to the Interval te xt bo x. The Ne w T i mer In[...]

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 packets The dynamic bar graphs allow you to immediately observe the amount of activity experienced by each boar d or port; the scale displayed at the top ri[...]

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. • The current status of t[...]

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 e rf ormance Gra ph W ith the Repeater Performan ce Graphs, you can use real-time stat[...]

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 . T o access the port-level Performance Graph window: 1. Click on the a pp[...]

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. P ackets Packets The total number of good pa ckets detected by the [...]

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. Th is table contains the MAC ad dress for each device th at is comm[...]

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. 4. Click ; if you ente red the M A C addres s incorrec tly , a window will appear i ndicatin g that you entered an inv alid ad dr[...]

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. If Active Users is zer o or one, the por t is in s tation sta tus; if it is t wo or more, the [...]

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 . As new source addresses attempt to access station ports, the port text boxes will turn red a nd di[...]

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 packets th rough the selected port with in a time period less than the SA T’s defined ageing time (addr esses that have not transmitted a packet durin[...]

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 percentage of errors ; setting the alar m lim its time int er val; using the Disable Board/D isable P or t on Al ar m option Using the Alarm Limits win[...]

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 . 2. Drag down to Alarm Limits... a nd relea se. The Board Alar m Limits window , Figure 5-2[...]

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. The P or t Alar m Li mits win dow , Figure 5-3 , will a ppear .[...]

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 thr esholds will apply to all traf fic r eceived by the entire IRM2-managed repeater segment; board-level thresholds will apply onl y to traffic on th[...]

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. Remember , a repeater-level alarm will calcul ate the number of col lisions per good packet based o[...]

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. Giants If this check box is selected, the number of gia[...]

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. Remem ber , the maximum tim[...]

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. Y our Al arm Limits are now set. Any condition that exceeds these alarm[...]

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 Enterasys and Cabletro n devices are designed to generate are traps which indicat e when a repeater port gains or loses a link signal (Link State T raps[...]

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 . Figur e 6-1. Repeat er T rap Selectio n W indow T rap Definitions Y ou ca n en able or disable the followi ng kinds of traps: Link State T raps Some Enterasys and Cabletr on Ethernet r epeater [...]

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 the port’s co llision detect or is o n for mor e than 2-3 µs, th e repeater segments the port to isolate th e source of the collisions fr om the r[...]

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. Configuring T raps The curr ent status (enabled or disabled) for [...]

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 esetting a circuit The redundancy application a llows you to es ta blish redundant circuits on the IRM2’s repeater segment to ensure that vital net[...]

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 , allows you to add or delete a redunda nt circuit f or your IRM2, as well a s Rename, Reset, Enable, D isable, or reconfigure the Retry Count for any ci[...]

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. If you have all your ba ckup ports physically connected before your redundan t circuits ar e co[...]

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 . Entering the Ph ysical Ad dresses of Devi ces to be P oll ed Y ou m ust designat[...]

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 . 4. T o delete a n addres s that has already be en added to the li st, highlig ht the entr y and click on Delete ; the ad dress will [...]

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 monitor them, including the interval (in seconds) between polls of the physical addr esses on your Polling Addresses list, and the number of times to re[...]

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 . The range is 1–16; the default v alue is 3. Note that the retr y count you set here applies only to the curre ntly sel ected ci rcuit; you must s pecify a retr y coun t[...]

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. 2. Click Configure , and drag down to D isable to [...]

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 . Figure 7-7. T est T ime of Da y Window 2. Usi[...]

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. 2. Select A ctivate to[...]

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. Note that chang ing a port’s designat ion as [...]

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. ! CAUTION Any backup por t which has be en part of an enable d redundant circuit [...]

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 2-18 Alignment Errors 5 - 5 Alignment errors 3 - 4 Allow Port to be Di sabled on Alarm 5-7 B Boar d Menus 2-7 Boar d Name 1-5 boar d name 2-17 Boar d Num[...]

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 IRM2 1-1 L Link 2-9, 2-10 Link State T raps 6-1 LNK (Linked) 2-10 Load 2-20 Location 1-5 lockStatusChanged 6-3 Logical S tatus 2-19 M MAC addr ess 1-5[...]

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 Summar y Stati stics wi ndow 3-7 board level 3-8 configuring 3-9 device level 3-8 T T ech nical sup port 1-7 T est T ime of Day windo w 7-9 threshold valu[...]

Index Index-4[...]