Enterasys Networks FN 100 manuale d’uso

FN 100 Use r ’ 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. The har dwar e, firmwar e, or softwar e described in this manual is subje ct[...]

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v Contents Chapter 1 Intr oduction Using the FN100 User ’s Guide ................ ........... ................. ........... ................. ........... 1-1 Related Manuals........................ ........... ................. ............ ................ ............ ................ 1-2 Softwar e Conventions ........ ................. .......[...]

Contents vi Chapter 4 Using FN100 T runking The Port T runking W indow ............ ................. ........... ................. ........... ................. .... 4-2 Enabling and Disabling T runking ................. ................. ........... ................. ......... 4-5 Chapter 5 W orkgroup Configuration Configuring a W orkgroup.......[...]

1-1 Chapter 1 Intr oduction How to use this guide; r elated gui des; so ftware conv entions; g etting h elp W el come to the FN100™ User ’s Guide . W e have designed this guide to serve as a simple refer ence for using NetSight Element Manager for the FN100. As a part of the Fast Network pr oduct line of switches, the FN100 pr ovides a foundati[...]

Introductio n 1-2 Related Ma nuals Chapter 4, Using FN100 T runking , details us ing the FN10 0 Port T r unking window to create tr unk groups, allowing you to incr ease aggregate bandw idth when two or mor e switches ar e connected. Chapter 5, W o rkgroup Configuration , describes configuring work grou ps by specifying a subset of device ports an [...]

Software Conventions 1-3 Introductio n Commo n FN1 00 Wi ndo w Fi el ds Similar descriptive information is displayed in boxe s at the top of most device- specific windows in NetSight Element Ma nager , as illu strated in Figure 1-1 . Figure 1-1. Sample W in dow Sh owing In formational T ext Boxes Device Name Displays the user-defin ed name of the d[...]

Introductio n 1-4 Soft war e Co nv entio ns MA C Address Dis pla ys th e ma nufa cturer- set M AC a ddress ass ocia ted wit h th e IP Ad dres s use d to define the device i con when it was added to NetSight Element Manager . This address is facto ry-set and cannot be alter ed. Informational fields describing the boa rds and/ or ports being modeled [...]

Software Conventions 1-5 Introductio n Instructions to perform a mouse operation include the following terms: • Pointing means to position the mouse cursor over an ar ea without pr essing either mouse butto n. • Clicking means to position the mouse pointer over the indicated tar get, then press and r elease the appropriate mouse button. This is[...]

Introductio n 1-6 Getting Help Getting Help This section describes two diff erent me thods of getting help for questions or concerns you m ay have while usin g NetSight Element Ma n ager Using On-line Help Y ou can use the FN 100 wind ow Help button s to obtain i nformation specific to the device. When you click on a Help button, a w indow will app[...]

Getting H elp 1-7 Introductio n S e nd your questions, comments, and suggestions r ega r ding NetSight Element Mana g er to NetSigh t T e chn ical Comm unica tions via the fo llo w i ng add r ess: NetSight_docs @ enteras ys.com T o locate p r oduct specific information, r efer to th e Entera sys W eb site: http : //ww w .ent e rasys.com/ N O TE For[...]

Introductio n 1-8 Getting Help[...]

2-1 Chapter 2 The FN100 Chassis Vie w About the Chassis View window; the Chas sis Manage r window; H ub managem ent functi ons The FN100 Cha ssis V iew win dow is the main screen that immediately in forms you of the current conditio n of individual ports on your switch via a graphical display . The Chassis V iew window also serves as a single point[...]

The FN100 Chas sis View 2-2 Viewing C hassis Infor matio n Vie wing Chassi s Inf ormatio n The FN10 0 Chassis V iew window ( Figure 2-1 ) provides a graphic r epr esentation of the FN100, including a color -coded port display which immediately informs you of the curre nt configuration and status of the switch and its ports. Figure 2-1. FN1 00 Chass[...]

Vie wi ng Chas sis I nf ormatio n 2-3 The FN100 Chassis View • Green indicates the FN100 is responding to device polls (valid con nection). • Magenta indicates that the FN100 is in a tempora ry stand-by mode while it responds to a physical change in the hu b; note that port menus are inactive during this stand-by state. • Blue indicates an un[...]

The FN100 Chas sis View 2-4 Viewing C hassis Infor matio n Menu Structure By clicking on vario us areas of the FN100 Ch assis V iew display , you can access menus with device- an d port-level options, a s well as utility appl ications wh ich apply to the device. The f ollowing illustration displays the menu structur e and indicates how to us e the [...]

Vie wi ng Chas sis I nf ormatio n 2-5 The FN100 Chassis View • V irtual Switching... , which launches th e FN1 00 V i rtual Switch ing window , allo wing you t o r efine your net work a nd contr ol ba ndwidt h usage b y assigning the FN100’s por ts to any of four available virtual switches. See Chapter 3, FN100 V irtual Sw itching , for details[...]

The FN100 Chas sis View 2-6 Viewing C hassis Infor matio n The Utilities Menu From the U tilities menu you can select : • M IB T o ols , pr ovides direct a ccess to the FN100’s MIB information . This selection is al so available from the T ools menu at th e top of the N etSi g ht Element Manage r ’s main window . Refer to the T ools Guide for[...]

Vie wi ng Chas sis I nf ormatio n 2-7 The FN100 Chassis View • Enable/Di sable , which administ ratively turns the selected bridging port o n or off ; see V iewing I/F Summary Information on page 2-13 fo r m ore informatio n. The FN100 P or t Status Displays When you open the Chassis V iew window , each port on the FN100 will display its Admin st[...]

The FN100 Chas sis View 2-8 Viewing C hassis Infor matio n • BRK (broken) when the ph ysica l interface has mal functioned. • UNK (unknown) if the interfac e’s status cannot be determined. If you have selected Bridge Mapping , the po rt status boxes will display the bridge interface index numbers assigned to each interface (which m ay or may [...]

Vie wi ng Chas sis I nf ormatio n 2-9 The FN100 Chassis View I/F T ype If you choose the I/F T ype mode, the port text boxes wi ll display the port type (e.g., Eth, PPP) of ea ch port, as determined by the po rt’s MIB II ifT ype value. P ort Status Color Codes The B ridge port display mode inco rporates the following colo r-coding scheme: green =[...]

The FN100 Chas sis View 2-10 Viewing C hassis Inf or matio n Figure 2-3. Chas sis Manager 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 the FN1 00 and its port s. Viewing the Device T ype Choosing [...]

Managing the Hub 2-11 The FN100 Chassis View Figure 2-5. Port Descriptio n W indows Mana ging the Hub In addition to the performance and co nfiguration information described in the preceding sections, the Chassis V iew also provides you with the tools available to configur e your device and keep it op erating properly . Hub mana gement for the FN10[...]

The FN100 Chas sis View 2-12 Mana ging the Hu b Figure 2 -6. Device Find Source Address W indow The Device Find Sour ce Address w indow displays the following information: Component Displays the type of interface thr ough which the specified MAC addr ess is communicatin g. Thi s field will report Bridg e . P ort Inst ance Displays the bridge port i[...]

Managing the Hub 2-13 The FN100 Chassis View If the specified MAC address is located, a list of the interface(s) thr ough which the given address is communic ati ng displays in the lis t box. A status messa ge at the bottom of the window will displa y the number of interface s through which the given MAC address is communica tin g. If the specified[...]

The FN100 Chas sis View 2-14 Mana ging the Hu b The following descriptive information is pr ovided for each interf ace: UpTime The UpT ime field lists the amount of time, in a days, hh:mm:ss format, tha t the device has been runn ing since the last start-up. Index The index value assigne d to each interfa ce on the device. Ty p e The type of the in[...]

Managing the Hub 2-15 The FN100 Chassis View 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 ar[...]

The FN100 Chas sis View 2-16 Mana ging the Hu b Out Octets The number o f 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; this field is only a vailable wh en Load is the selected base un it. Rate The count f[...]

Managing the Hub 2-17 The FN100 Chassis View 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 or Fast Ethernet. Address Displays the MAC (physical) addr ess of the selected interface. Ty p e Displays the interface type of the select[...]

The FN100 Chas sis View 2-18 Mana ging the Hu b 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 ransm[...]

Managing the Hub 2-19 The FN100 Chassis View Viewing CSMA CD Statistics The CSCMAC D S tatistics W indows display statistics for each bridging interface on your FN10 0 . Receive errors, transmission errors, and collisio n errors ar e displayed in this window . Three color-co ded pie charts allow you to view the br eakdowns of each statistics group.[...]

The FN100 Chas sis View 2-20 Mana ging the Hu b a MAC layer pack et formation problem, or from a cab ling problem that is corrupting or losin g data. FCS The number of frames r eceived on a particular interf ace that are a n integral number of bytes in length, but do not pass the FCS (Fra me Check Sequence) check. FCS, or Frame Check S equence, err[...]

Managing the Hub 2-21 The FN100 Chassis View Internal MA C The number of fram es f or wh ich transmission f a ils due to an internal MAC sublayer transmit erro r . This error is only counted in this window if there have not been corresponding Late Collis ions, Excessive Collis ion s, or Carrier Sense Erro rs. T ra n sm it Er rors The total of tran [...]

The FN100 Chas sis View 2-22 Mana ging the Hu b T o enable or disable a bridge port: 1. Click on the d esired P or t in dex. The P ort m enu will app ear . 2. Click on Enable to en able the por t, or Disable to disable the por t. Y ou will get a confir ma tion window as king if you’ re “sure you want to Enable/Disable this Bri dge P or t.” Cl[...]

3-1 Chapter 3 FN100 Vir tual Switc hing FN100 vir tual s witches; performi ng vir tual s witching The FN100 V irtual Switchin g wi ndow ( Figu re 3-1 ) allows you to refine your network and control bandw idth usage by as signing the FN 100’s ports to a ny of four availab le virtual switches. This fe at ure can be used to logically group network u[...]

FN100 Vir tual Swi tching 3-2 P erf or ming V ir tu al Switc hing Figure 3-1. The V irtual Switching W indow The V irtual Switching window features a column o f four radio buttons (one button for each virtual switch ) for each of the FN100’s ports. The po rt indices ar e listed atop each column. The V irtual Switching window also featu res: Updat[...]

P erf or mi ng Vir tua l Swit chi ng 3-3 FN100 Vir tual Switchin g Defining a Default Sw itch By defining a default switch setting, y ou decide which of the FN100’s four virtual switches will be recognized by Spanning T ree and r eflected in the FN100 Bridge Status window . When you change the default switch, only those ports which ar e assigned [...]

FN100 Vir tua l Switch ing 3-4 P erf or ming V ir tu al Switc hing[...]

4-1 Chapter 4 Using FN100 T runking The T ru nking T able window; enabling and disa bling trun king T runking, an extension of the 802.1D Spa nning T ree proto col, allows you to increa se aggregate ban dwidth when two or more sw itches are connected. A single 10/100B ASE-T connection between switches yields 10 or 100 Mbps of bandwidth, depending o[...]

Using FN100 T runki ng 4-2 The P or t T ru nk in g Window T o display the Port T runking wind ow from the FN100 Chassis View: 1. Cl ick t o displa y the D evi ce menu. 2. Drag down to P ort T runking... , and releas e. The P ort T runk ing window , Figure 4-1 , will a ppear . Figure 4-1. The Po rt T ru nk ing W indow The P or t T runkin g Windo w T[...]

The P or t T runk ing Window 4-3 Using FN 100 T runk ing the FN100’s trunking PDUs are being successful ly received at the other end of the link. • joined — tr unking is enabled, the trunking pr otocol has established a good trunk connection, and the port is ac tively participating in the trunk group. • perturbed — trunking is enabled, th[...]

Using FN100 T runki ng 4-4 The P or t T ru nk in g Window • 5 — standby — the trunk group is filled to capacity with other ports; this port is now a hot standby . If another port leaves the trun k gr oup, this port will then be included in the gro up. • 6 — too-many-groups — the maximum number of gr oups (4) has been reached, and a new [...]

The P or t T runk ing Window 4-5 Using FN 100 T runk ing Enabling and Disabling T r unking T o enable trunking for yo ur FN1 00 ports using the Po rt T runk ing window : 1. In the por t sel ection l ist, click on an e ntr y represen ting a por t for which you would like to ena b le tr unking . 2. Click on Enable . The trunk ing table will update to[...]

Using FN100 T runki ng 4-6 The P or t T ru nk in g Window[...]

5-1 Chapter 5 W orkgr oup Configuration W ork groups explained; ad ding and d eleting wor kgroups f rom this window The FN100 ’s V irtual W orkgroups window allows you to restrict mul ticast traffic fro m being pr opagated thr ough every bridge port on your d evice. This optimizes bandwidth by limi ting the subnet broadcast traffic to only those [...]

W ork group Confi guration 5-2 Config urin g a Workgrou p Figure 5-1. V irtual W orkgroups W indow Y ou can view and modify existing work groups as well as conf igure new w ork groups from this w indow . Th e W orkgroup T able at the top of the window lists each existing work group along w ith its configuratio n in formation. The Add/Modify section[...]

Configu ring a Workgroup 5-3 W ork group Confi guration 3. C hoose the Ty p e of wor kgroup bei ng created o r modifi ed. This d eter mines whether p or ts in this work group will forward only multi cast packets, only unicast pack ets , or both multicas t and unic ast pack ets. The f ollowing are your possibil ities: • All — por ts in t his wor[...]

W ork group Confi guration 5-4 Config urin g a Workgrou p[...]

Index-1 Index A ack- los t 4-3 B BLK ( Blo ckin g) 2-7 Boot Pr om, r evision 2-3 Bridge Mapping 2-7 BRK 2-8 broken 4- 3 buffer space 2-17 C Cancel button 1-5 Chassi s Manager window 2-9 Chassis View 2-1 closed 4-2 color codes 2-9 color-coded port display 2-2 command buttons 1-5 Configuring a W ork Group 5-2 Connection Sta tus 2-2 D Default Switch 3[...]

Index Index-2 MIB components 2-9 mouse usag e 1-4 Multicast ( Non-Unicast ) 2-17 multicast traffic 5-1 multiple-bridges 4- 3 N no-a ck 4-4 Non-Unicast (Multica st) 2-17 O OK button 1-5 onewa y 4-2 P Packets Received 2-18 Packets T ransmitted 2-18 perturbed 4-3 perturbed-thre shold 4-4 Physical Sta tus 2-14 Port Descripti on 2 -10 port display , col[...]