Lindy 25030 manuale d’uso

© L INDY ELECTR ONICS L IMI TED & L INDY-ELEKTR O NI K GMBH - FIRST EDI TION (May 2003 ) 24 + 2 Gi ga SN MP Et hernet Swit ch 24 + 2 Gi ga SN MP Et hernet Swit ch 24 + 2 Gi ga SN MP Et hernet Swit ch 24 + 2 Gi ga SN MP Et hernet Swit ch User Manual English LINDY No. 25030 www. L I N D Y . c o m Tested to comply with F CC Sta nda rds[...]

- 1 - CONTENTS 1. Intr oduc tio n ...........................................................................................................4 1.1 U n packing........................................................................................................... 4 1.2 I nstallati on ...............................................................[...]

- 2 - 4.2.3. 3 Edi t / D elete a VLAN Group ................................................................ 43 4.2.3. 4 Gr oups S orted M ode ........................................................................... 43 4.2.4 M isc Con f igur ation ........................................................................................44 4.2.4. 1[...]

- 3 - 1. Introduction The 24 + 2 Gi ga SNM P Ethernet Swit ch is a high per f ormanc e web-m anaged SNM P Layer 2 swi tch that provi des users wi th 24 10/100M bps Ethernet por ts and a singl e modul e port into whi ch either 100Bas eFX or Gigabit modul es can be inst all ed. Sever al opti onal m odules are av ailable i n single or dual port config[...]

- 4 - Desktop or Sh elf In stallation: W hen insta ll ing the Swit ch on the desk top or s helf , please attach the r ubber feet to the Swi tch. Peel off the protectiv e paper on the pads and attach them on the bottom of the Switch ( one at each corner ). Rack I nstallation: The 24 + 2 Gi ga SNM P Ethernet Swi tch is rack- mountable and can be i ns[...]

- 5 - 1.3 Initial set up for management Ther e are tw o ways to per form the i niti a l setup for the Swit ch; one is “Out-of-Band Configurati on” (c onnect your PC’s ser ial por t to the Switch’ s console por t with the incl uded RS- 232 seri al cable and run term inal c ommuni cation pr ogram ) and the other is “ In- Band Conf iguration[...]

- 6 - 1.3.2 In-band m anagem ent through E ther net I n additi on to term inal m ode configurati on, the 24 + 2 Giga SN MP Ether net Switch also s upports I n-Band Configurati on using a W eb Browser . Compar ed with ter minal mode c onfigurati on, web br owser c onf igurati on is mor e convenient and easi er. Y ou can si mply connec t a network- r[...]

- 7 - After the Swit ch finis hes the sel f -diagnosti c, open your c omputer’s web brows er and at the “Addr ess:” field, enter the Switch’ s IP addr ess (e.g. ht tp://192.168.1.1 ), hit “Enter ” or cl ick on “ Go”, and the Swi tch’s configur ation page will p ro mpt yo u t o e nt e r “U ser Nam e” and “Pass word” to l og[...]

- 8 - 1.3.3 Telnet managem ent I n additi on to local termi nal m ode operation, the 24 + 2 Giga SN MP Ether net Switch supports remote managem ent through Tel net, over the Ethernet LAN network or even over Internet. I n this m ode, the user needs to per form the sam e initial IP setup on the swi tc h as pr ev ious l y di sc uss ed. ( R efer: ‘M[...]

- 9 - 2 W eb M anagement Function 2.1 Web M anagem ent Home Overview This is the Home Page. Thi s i s the i ni ti al s tar t up page. T he top sec ti on of this page will display a ctive links on any of the ports by ov erlayi ng an inserted R J-45 connec tor. C li cking on i ndiv idual icon s will popup port statisti cs informati on. 2.2 Port Statu[...]

- 10 - 2.2. Port status This page displays the cur rent s tatus of every por t. It will display t he use rs select ion for each port foll owed by the ac tual discov ered s ettings. 1. Stat e: Displ ay port s tatus: On or Off , Of f indic ates port i s disabled. 2. Link Status: Down i ndicates “ No Li nk” , Up i ndicates “Li nk”. 3. Auto Neg[...]

- 11 - 2.2.1 P ort S tatistics and S tatus Popup W indow Cl ic king on i ndividual ports wi thin the top mos t sect ion of the page will p re se nt a popup page showi ng port stati sti cs i nf ormati on as shown below . 2.3 Port S tatistics The Por t Statis tics page provides a view of the curr ent status of every por t on the switch. Pre ssin g t [...]

- 12 - 2.4 Administrator The follow ing lis t of f unctions c an be perf ormed from the adm inistr ator secti on of the web m anagement: ♦ I P addres s/Subnet M ask/Gatew ay ♦ Switch Setti ngs ♦ Consol e Port I nf ormati on ♦ Po rt Co nt rols ♦ Tr unking ♦ Fi lter Database ♦ VLAN C onfigurati on ♦ Spanning T ree ♦ Port Sni f f er [...]

- 13 - 2.4.2 Switch S ettings 2.4.2.1 Basic All inform ation i n the Basic menu is r ead only. Description: Dis play the family name of the switc h. M A C A ddress: The unique har dware addres s of the switc h. Firm ware Version: Di splays the swi tch’s fir mwar e ver sion. H a rdware Versi on: Displays th e switch ’s AS IC Hard wa re versio n.[...]

- 14 - 2.4.2.3 Adv anced ♦ M is ce llaneous Se tting: M A C A ddress A ge-out T im e: Type the num ber of seconds that an inacti ve M AC addres s r emai ns in the s witch's addres s table. T he valid r ange is 300~765 seconds . Default is 300 seconds . M a x bridge tra nsm it del ay bound control: This Li mi ts the packets queuing ti me. If [...]

- 15 - Qo s P olic y: High P rio r it y L e ve ls: This i s used to map the 0~7 pr iority levels to either High or Low queues. Collisio ns R e tr y Fo r e ve r : (t h is se tt in g o nly a ff e c t s Half D up le x c onne ctions) Di sable – An y co llision s are ret ried f or a ma ximum o f 4 8 time s, a f te r wh ich the pa cke t will b e dr opp[...]

- 16 - 2.4.4 Por t Controls The Por t Contr ols page all ows the user to modi f y the operational mode of each port. 1. Stat e: Used to enabl e or disabl e this port. 2. Auto N egotiation: Used to s et the auto-negoti a tion mode. Settings ar e: Auto, Nway and F orced. # Auto inst ruct s the sw itch to lear n the parameter s of the devic e connecte[...]

- 17 - 7. Port Prio rity : T his i s us ed to force any non pr i or iti s ed pack ets to ei ther Hi gh, Low , or D isabled st ates. 8. Port Securit y: Setting a ports security mode to on (by ti cking the check box) will lock it to all unauthori zed M AC addr esses. Thi s disabl es the address l earning functionali ty on the port and then only inc o[...]

- 18 - 4. Work ports: Al l ows a m axi m um of four ports to be aggr egated at the s ame time. If the group i s def ined as a LAC P static tr unki ng group, then any extra por ts selec ted are placed i n a standby mode for r edundancy if one of the other ports fails. I f the group i s defined as a l ocal s tatic trunk ing group, then the number of [...]

- 19 - 2.4.5.3 State Activ i ty A ct i v e (s elect ed): The port autom aticall y sends LACP pr otocol packets . N /A (n ot sel ected ): The port does not autom aticall y send LACP protoc ol packets, and responds only if it r e ceives an LAC P protocol pac ket f rom a r emote devic e. NO T E : W ork Por ts def ined, as LACP enabl ed in the ‘ Aggr[...]

- 20 - The I nternet Group M anagement Pr otocol (I GM P) is a pr otocol of the Internet Protocol (I P) s uite. I P manages m ulticast tr af f ic by using swi tches, router s, and hosts that support I GM P. Enabling I GM P allows the swi tch to detect I GM P queries and I GM P Report pac kets to m anage IP mul ticast tr af f ic through the s witch.[...]

- 21 - 2.4.6.3 MAC filter ing M AC addres s filter ing all o ws the sw itc h to drop unw anted traf f ic. T raffic is fil tered based on the desti nation address es. 1. In the M AC Addr ess box, enter the M AC addr ess that you want to fil ter out. 2. If tag-based ( 802.1Q) VLAN’s are set up on the swi tch, in the VLAN I D box, type the VI D to a[...]

- 22 - ♦ Support Tag-based VLA N ( IEEE 802.1Q VL A N) Tagged- based VLAN is an I EEE 802.1Q speci f ication s tandard. T herefore, it i s possi ble to create a VLAN across dev ic es from di f f erent sw itch vender s. IEEE 802.1Q VLAN’ s use a tec hnique to i n sert a “t ag” i nto the Ethernet f rames. T he “tag” contains a VLAN Identi[...]

- 23 - 2.4.7.1 Port B ased VLAN 1. Cli ck Add to create a new VLAN group. 2. Enter the VLAN nam e, group ID and select the m embers for the new VLAN. 3. Click Ap ply. 4. If there ar e more groups than the display will allo w, t hen you can cli ck the “N ext Page” to vi ew additi onal VLAN groups . NO T E : If a trunk gr oups exist, i t will be [...]

- 24 - GVRP (GAR P [Gen eric A ttribute Registr ation Pr otocol] VLAN Registr ation P rotocol) GVRP al low s autom atic VLAN conf iguration betw een the switc h and its nodes. I f the swi tch is connec ted to a device w ith GVR P support, then a GVRP r equest can be iss ued f rom the dev ic e to the swi tch using a v ali d VID of a VLAN defined on [...]

- 25 - 7. Use thi s page to control how the outgoing frames are VLAN-T agged. Then cli ck Apply. Tag : ou t go in g f ra mes will b e V L A N-T agged. Un ta g : ou tg o in g f rame s will n o t b e V L A N-T agged. Port VID Co nf i g ure p o rt VID se t t i ng s Fr om the m ain Tag-bas ed (I EEE 802.1Q) VLAN page, c li ck “Por t VI D” Menu. Por[...]

- 26 - 1. You can v iew Root Br idge spanning tr ee information from the f ollow table. 2. You can v iew spanni ng tree status from the f ollowi ng table. 3. You can s et new values for ST P param eters.[...]

- 27 - Param e ter Description Prio rity A value us ed to identify the root br idge. The bri dge with low est value has the highest pri ori ty and is sel e cted as the root. Enter a number f rom 1 thr ough to 65535. M ax A ge The num ber of seconds the br idge w aits wi thout receiv ing any Spanning- Tree Protoc ol configurati on messages before at[...]

- 28 - 3. Moni tored Port: Based on the Sniff er M ode selecti on made previ ously, tr af f ic f rom th e se lect ed po rt o p tio n b oxe s will b e mirrore d o n t o th e A na lysis po rt. A max im um of 25 monitor ed ports can be conf igured. 2.4.10 SNM P /Tr ap Manager The 24 + 2 Gi ga SNM P Ethernet Swi tch can be m anaged f rom any Sim ple Ne[...]

- 29 - 2. Communi ty strings serve as pas swords and can be entered as one of the f ollo win g: RO: Rea d onl y. Enables r equests accom panied by this str ing to displ ay M IB- object i nf ormati on. RW : Read w ri te. Enables r equests accom panied by this string to di splay M IB- object i nf ormati on and to set M IB obj ects. 3. Trap M anager A[...]

- 30 - 2.4.12 802.1x Configur ation Sy stem Configu ration 802.1x m akes us e of the physical access c harac teri stics of I EEE802 LAN infrastr uctures i n order to pr ovide a m eans of authenticating and author ising devi ces attached to a LAN por t that has point-t o-point connecti on character istic s, and of prev enting acc ess to that port in[...]

- 31 - Mis c C o nf i g ura ti o n (LI NDY recom mends that these par ameter s not be changed, unless you have extensi ve knowl edge of 802.1x configurati on) This allows you to change the default configuration for the 802.1x standar d: Quiet P e riod - Used to de f in e p e rio ds o f t ime d u ring wh ich it will n ot at te mp t t o acquir e a su[...]

- 32 - 2.6 Configur ation B ackup 2.6.1 TFTP Restor e Configur ation The TFTP rest o re co nf igu ra tio n m enu, f unctions muc h the same w ay as the TFTP update firmw are f unction. But its purpose i s to restore to flash mem o ry, the system configurati on f rom a pr evious bac kup operation. 2.6.2 TFTP B ackup Configur ation The TFTP ba cku p [...]

- 33 - 2.7 Reset Sy stem The R eset Syst em m enu option will de f a u lt a ll con f ig u rat io n va lu e s. 2.8 Reboot The Reboot m enu option ini tiates s witch softwar e reset.[...]

- 34 - 3 Console -- 1K Xm odem update firmw are The 24 + 2 Giga SNM P Ether net Swi tc h provid e s th e a bilit y to pe rf o rm a 1k X m odem firm war e update f eature from the R S-232 consol e port. 1K X modem only w orks i n 57600bps m ode. So you must c hange the def ault baud r ate to 57600bps to downl oad the firm war e image. Ther e are 2 s[...]

- 35 - 3. S elect “1K Xmodem” in the Protocol item, and br owse to the firm ware file y ou will be l oading and then Pr ess the Send button. 4. The firm war e image will start d o wnl oading. 5. W hen the image has finished dow nl oadi ng, the sw i tch system will update f irm war e automati cal l y. Y ou should s ee a m ess age “U pdate fir [...]

- 36 - 4 Out-of- b and Terminal mode management 1. The 24 + 2 Giga SNM P Ethernet Sw it ch also provi des a serial interface to m anage and moni tor the swi tch. The follow ing C onsole Port I nformation c an be used by the system adm inistrator to conf igure the sw itch via a term inal appli cation. NO T E : Detai led desc riptions of the various [...]

- 37 - Swit ch Sta tic Configurati on: Configures the adv anced Layer 2 sw itching functi ons. Protoc ol Related Configuration: Configures the s wi tches IP address settings. Status and Counte rs: Displays s tatus/statisti cal informati on about the swi tch. Reboot S witch: Re sta rt the system or reset switch to def a ult conf ig uratio n . TFT P [...]

- 38 - 4.2.1 P ort C onfigur ation Edit / Vi ew the port configurati on. 1. I nR ate ( 100K/u ni t): 0: disabl e rate control . 1~1000: vali d rate value. 2. Out Rat e (100K/un it) : 0: disabl e rate control . 1~1000: vali d rate value. 3. Enabl ed: Enables or D isabl es thi s port i n the switch. “ Yes ” = Enable. “ No ” = Di sable. 4. A u[...]

- 39 - 4.2.2 Tr unk Configur ation This page can be used to create a m axim um of up to seven tr unk groups. Us ers can arbi traril y select up to four por ts f rom por t 1 to port 26 to buil d a trunk group. 4.2.3 V LAN Configur ation[...]

- 40 - 4.2.3.1 VLAN Configur e Tw o modes of VLAN c an be selec ted. Port-based VLAN or 802.1Q VLAN If set to 802.1Q VLA N, then you will need to define PVI D, ingr ess filter ing 1 and ingr ess filter ing 2.[...]

- 41 - 4.2.3.2 Cr eate a V LAN Group Cr eate a Por t-Based VLA N To cr eate a port-based VLAN you need to add member /non-mem ber ports to i t. 1. VLA N N ame: Ty pe a name f or the new VLAN. 2. Grp I D: Type the VLAN gr oup ID. T he group I D r ange is 1~4094. 3. M emb er: Pres s the Space k ey to choos e VLAN m embers. Create 802.1Q V LAN To cr e[...]

- 42 - 4.2.3.3 E dit / Delete a V LAN Gr oup This page allows admi nistrator s to edit or del ete VLAN group entri es. 4.2.3.4 Gr oups S orted M ode This page, allows f or easier access to VLAN groups when ther e are numer ous entri es. They c an be sorted by ei ther N ame or VI D, and then edited as norm al.[...]

- 43 - 4.2.4 Mi sc Configur ation 4.2.4.1 MAC Age Interval Type the num ber of seconds that an inac tive M AC address remains in the swi tch’ s addres s table. T he valid r ange is 300~765 sec onds. Default i s 300 seconds.[...]

- 44 - 4.2.4.2 Br oadcast Stor m Filter ing Configur ing br oadcast stor m control . Vali d threshol d values ar e 5%, 10%, 15%, 20%, 25% and NO. Default is 5%. 4.2.4.3 M ax Br idge tr ansm it delay bound M a x bridge tra nsm it del ay bound control: This Li mi ts the packets queuing ti me. If enable, pack ets that ar e queued l onger than thi s s [...]

- 45 - 4.2.4.4 Port S ecur ity Port Securi ty : Setting a ports secur ity mode to on ( enabled) will lock it t o a ll unauthori sed M AC addr ess es. T hi s di s ables the addr ess l earni ng functi onali ty on the port and then onl y incom ing pack ets with a k nown sourc e M AC addres ses will b e forwar ded by the por t. Admi nistrator s can dis[...]

- 46 - 4.2.5 Administra tion Configur ation Configur e the followi ng options. • Change Username • Change P assword • Dev ice I nfo rmat ion (name, desc ription, l o cation, content) • IP Configurati on (IP addr ess, M ask, Gateway) 4.2.6 P ort M ir r ori ng Configur ation The Por t Sniffer is us ed to moni tor traff ic i n a switc hed netw[...]

- 47 - 4.2.7 P rior ity Configuration[...]

- 48 - 4.2.7.1 Port S tatic Pr iority Port Pri orit y: This is us ed to force any non- pr i or iti sed pac kets to ei ther H i gh, Low , or Di sabled s tates on the partic ular port. 4.2.7.2 802.1p Pr iori ty Configur ation Ther e are 0~7- prior ity lev els that c an be mapped to either the high or low queues. QosM ode Options: Firs t Come Fi rs t [...]

- 49 - 4.2.8. MAC Address C onfigur ation 4.2.8.1 Static M AC Address W hen you add a stati c M AC address , it r emains i n the switc h's addr ess tabl e, regar dless of whether the dev ice is phy sicall y connected to the sw itch. Thi s sav es the swi tch from havi ng to re-l earn a dev ice's MAC address after i t has been disc onnected[...]

- 50 - 3. If tag-based ( IEEE 802.1Q) VLAN’ s are set up on the sw itch, stati c addr esses are assoc iated w ith indiv idual VLAN’ s. Type the VI D (tag- based VLAN’s ) to as soci ate wi th the MAC address. • E dit st a tic MA C a d dr e ss <-A c tions-> 1. Press <Edi t> key. 2. Choose the M AC addr ess that you want to m odify[...]

- 51 - • De le te st a t ic MA C a dd re ss <-A c tions-> 1. Select the <D elet e> acti on. 2. Choose the M AC addr ess that you want to del ete and then press enter .[...]

- 52 - 4.2.8.2 Filtering M AC Address M AC addres s filter ing all o ws the sw itc h to drop unw anted traf f ic. T raffic is fil tered based on the desti nation address es. This page allows the admi nistrator to add, modify or del ete M AC addres s filter s. • A dd filter M A C address <-A c tions-> 1. Press <A dd> --> <Edit>[...]

- 53 - • E d it f ilte r MA C a d d r e ss[...]

- 54 - • De le te f ilte r MA C a d dr e ss A ctions-> 1. Press <Del ete> key to del ete a f ilter MA C addr ess. 2. Choose the M AC addr ess that you want to del ete and then press enter . 3. Pressi ng <Enter> on c e will co mp let e d ele tio n. 4.3 Pr otocol R elated C onfigurati on[...]

- 55 - 4.3.1 STP The Spanni ng Tr ee Protocol ( STP) i s a standar dized m ethod (I EEE 802.1D) for avoidi ng loops in s witched netw orks. Y ou would enabl e STP to ensure that onl y one path at a tim e is activ e between any two nodes on the netw ork. 4.3.1.1 STP E nable Thi s page show s how to enable or disable Spanni ng Tree function. Pres s t[...]

- 56 - 4.3.1.2 STP S y stem Configur ation <-A c tions-> 1. Root Bri dge inf o rmation i s displ ayed on the Left. 2. Parameter s can be defined on the Right. NO T E : The param eters are des cribed i n more detail in secti ons 2-4-8. 4.3.1.3 P er port C onfigur ations <-A c tions-> 1. Port State: Di splays the s panning tree status f o[...]

- 57 - NO T E : The above par ameter s are desc ribed in s ections 2- 4-8. 4.3.2 SNM P The 24 + 2 Gi ga SNM P Ethernet Swi tch can be m anaged f rom any Sim ple Networ k M anagement Protoc ol ( SNM P) applic ation. If using the M anagem ent I n f ormati on Base (M IB) w ithin your SNM P applic ation, then the i nformati on can be repor ted in a mor[...]

- 58 - 4.3.2.2 Comm unity S trings Use thi s page to Add/ Edit/ Delete SN MP c omm unity stri ngs. 1 . Co mmu ni ty Na me : The cur rent c omm unity name st ri ngs. 2. Wr i te A ccess : Enable read onl y or read- wri te access . Res tri cted: R ead only, enables reques ts acc ompani ed by this str ing to displ ay M IB- object i nf ormati on. U nres[...]

- 59 - • E d it C o mmu n ity Na me 1. Select the <Edi t> option, c hoose the it em that y ou want to m odif y and then press Enter. 2 . Co mmu ni ty Na me : Type the new name. 3. Wr i te A ccess : Press Spac e key to change the acces s (res tricted or unrestr icted) • De lete Communi ty Name 1. Select the <D elet e> opti on. 2. Cho[...]

- 60 - 4.3.2.3 Trap M anager s A trap m anager is a m anagement stati on that recei ves traps, the system alerts generated by the swi tch. If no trap m anager is defined, no tr aps are is sued. Create a trap m anager by enteri ng the IP addr ess of the stati on and a com muni ty stri ng. • A dd SNM P tra p manager 1. Select the <A dd> -->[...]

- 61 - • Edit trap m anage rs 1. Select the <Edi t> option, and then c hoose the it em that y ou want to m odif y. 2. I P: Type the new I P address. 3 . Co mmu ni ty Na me : Type the com munity nam e. • De lete tra p manage r 1. Select the <D elet e> opti on. 2. Choose the tr ap manager that you want to delete and then pr ess Enter.[...]

- 62 - 4.3.3 GVRP (GA RP [Gen eric A ttribu te Registr ation Protocol] V LAN Registr ation Pr otocol) GVRP al low s autom atic VLAN conf iguration betw een the switc h and its nodes. I f the swi tch is connec ted to a device w ith GVR P support, then a GVRP r equest can be iss ued f rom the dev ic e to the swi tch using a v ali d VID of a VLAN defi[...]

- 63 - 4.3.5 LACP (Link Aggregation C ontrol P rotocol) Use thi s page to configure and vi ew all the LACP par ameters. NO T E : All por ts support LACP dy namic tr unking. I f connecting to a devi ce that also supports LACP, the LACP dynam ic trunk ing function will au t o mat ically cre at e a trun k group. 4.3.5.1 Wor king Por t Setting Use thi [...]

- 64 - 4.3.5.2 State Activ i ty Ac t i v e : The port autom atical ly sends LAC P protocol pac kets. Pa ssive : The port does not autom aticall y send LACP pr otocol packets, and responds only if it r e ceives LAC P protocol pac kets f rom a connec ted devic e. NO T E : If LACP mode i s configured i n the trunk gr oup, all of the member ports of th[...]

- 65 - LA CP tr un k grou p 4.3.6 802.1x Pr otocol Fr om this page adm inistr ators can configur e and view al l 802.1x param eters.[...]

- 66 - 4.3.6.1 802.1x Enable 4.3.6.2 802.1x Sy stem Configur ation 1. Radi us Server IP A ddress: the IP addr ess of the authentication ser ver. 2. Shared Key : A key s hared betw een this swi tch and authenticati on server . 3. N A S, Id ent ifi er: A stri ng used to identify this s witch. 4. Serv er Port : The U DP por t number used by the authen[...]

- 67 - 4.3.6.3 802.1x Mi sc Configur ation 1. Q uiet Period: Use d t o d ef ine pe rio d s o f time du ring which it will n ot at te mpt to acquir e a supplic ant (Default tim e is 60 seconds ). 2. T x P eriod: Used to deter mi ne when an EAPOL PDU i s to be transm itted ( Def ault value i s 30 seconds) . 3. Suppli c ant T imeout : Used to determ i[...]

- 68 - 4.4.1 Port S tatus This page displays port st atus inform ation. Link Status: Down indi cates “N o Link” , Up indi cates “ Link”. InR a te : Di splay the input r ate control ( 100K/unit) val ue. Out Rat e: Displ ay the output rate control (100K/unit) value. Enabl ed: Di splay port s tatus Yes or No, No indi cates port i s dis abled. [...]

- 69 - 4.4.3 Sy stem Infor mation M A C A ddress: The unique har dware addr ess ( M AC) . Firm ware Version: Di splay the s wi tch’ s firm ware ver sion. A S IC V e r s io n : Displa y th e swit ch ’s Ha rd ware versio n. PCBA ver sion: Displ ay the swi tch pr inted cir cui t board num ber. Serial num be r: Displ ay the ser ial num ber as signe[...]

- 70 - 4.5.1 Default This will re se t t h e swit ch to its d e f a u lt co n f ig u rat io n. 4.5.2 Restar t This will r eboot the switc h (i .e. software reset) . 4.6 TFTP U pdate Fir mwar e This page provides TFTP firmw are update; configuration backup and configurati on restore opti ons.[...]

- 71 - 4.6.1 TFTP Update Fir mw are This page allows the admi nistrator to perf orm a TFTP f irmwa re update. <-A c tions-> 1. St a rt th e TFTP se rver, and copy the updated firm war e versi on image file to the TFTP serve rs work d ire cto ry. 2. Press <Edi t> on this page. 3. TF TP Se rv er: Enter the IP addres s of the TFTP se rver.[...]

- 72 - 1. St a rt th e TFTP se rver. 2. Select the <Edi t> option on thi s page. 3. TF TP Se rv er: Type the I P address of the TFTP se rver. 4 . Re mo t e File Na me : Type the i mage f ile name. 5. Press Ctrl+A go to action li ne. 6. Select the <Sav e> Opt io n. Th is will sta rt th e d o wnl oad of the configuration fil e. 7. W hen s[...]

- 73 - 5.0 A ppl icati on Exam pl es: 5.1 VLAN applications used with switch. A VLAN i s a si mple option to pr otect your netw ork agai nst broadcas t stor ms by cr eating segm ents based on Layer 2 Ethernet i nf ormati on. It avoi ds the complex ity and heavy pr ocessi ng requi rements of Layer 3 IP based r outers, w hil e providi ng some similar[...]

- 74 - Y ou can gr oup user s acc o rding to som e shared char acteris tic, such as a common busines s f unction or a comm on protoc ol. A si ngle swi tch may hav e several independent VLAN ’s wi thin i t. Below is an example w ith an R&D , Manufactur ing and Admi nistrati on department that has been par titioned into tw o dif fe rent VLAN gr[...]

Radio Fr equency E nergy, C er tifications FCC C omplian ce Statem ent (Un ited States) This equi pm ent generates, uses and can radi ate radio frequency energy and i f not instal l ed and used properl y, that i s, in stri ct accordance with the m anufacturer’s instructi ons, m a y cause i nterference to radi o com m unicati on. It has been teste[...]