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Black Box LGB624A - page 1
B LAC K BO X ® This W eb smart switch pro vides 2 4 10 - /10 0 - /10 0 0 - Mb p s p or t s . Supports Gigabit speed on all ports. 24-Port W eb Smart Gigabit Ethernet Switch Or der to ll-f ree i n the U. S. : C all 877- 87 7-B BOX (o uts ide U. S. c all 724 -746 -55 00 ) FRE E tech nic al sup por t 24 h our s a day, 7 day s a wee k: C all 724 -746 ...
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Black Box LGB624A - page 2
Page 2 724-746-5500 | blackbox.com LGB 624 A FCC and IC RF I Statements FE DERAL COMMUNICA TIONS COMMISSION a nd INDUS TRY C ANADA R ADIO FREQUENC Y IN TERFERENCE ST A TEMENT S C lass B Digital Device . This equipment ha s been tes t ed and found t o comply with the limits for a C lass B computing device pursuan t to Pa r t 1 5 of the FC C Rules. T ...
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Black Box LGB624A - page 3
Page 3 724-746-5500 | blackbox.com LGB 624 A NOM Stat ement Normas O ficia les M exicanas ( NOM ) Elec tric al Safet y St ateme nt INS TRUCCIONES DE SEGURI D AD 1. T odas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guarda ...
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Black Box LGB624A - page 4
Page 4 724-746-5500 | blackbox.com LGB 624 A NOM Stat ement 12. Pr ecaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobr e o contra ellos, poniendo particular atenc ...
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Black Box LGB624A - page 5
Page 5 724-746-5500 | blackbox.com LGB 624 A T rademarks Used in this Manual T rademark s Used in this Manual Black Box a nd the Double Diamond logo are registered tr ademarks of BB T e ch nologies, Inc. Internet Explorer is a registered tr ademark of Microsoft C orporation. UL is a registered trademark o f Under writers’ Laboratories. Any other ...
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Black Box LGB624A - page 6
Page 6 724-746-5500 | blackbox.com LGB 624 A T ab le of Contents T able of Content s 1 . Specifications ............................................................................... 8 2 . Over view ............................................................................... 9 2 . 1 Introduction ................................................. ...
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Black Box LGB624A - page 7
Page 7 724-746-5500 | blackbox.com LGB 624 A T ab le of Contents s 3.3.3 L A CP S t at us ......................................................................... 33 3.3.3. 1 L ACP Aggr egat ion Ove r vie w ................................... 33 3.3.3. 2 L ACP Po rt Status ..................................................... 34 3.3. 4 R ST P St a ...
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Black Box LGB624A - page 8
Page 8 724-746-5500 | blackbox.com LGB 624 A Chapter 1: Spe cificati ons 1 . Specifications Buf fer Memo ry — 50 0 KB Compliance — FC C C lass B; p ower s upply is UL ® Liste d Filtering / For warding Rate — 1 000-Mbp s po rt: 1 ,488 , 000 pp s; 1 00 - Mbps por t: 1 4 8,8 00 pps ; 1 0 -M bps port : 1 4,8 80 pps Jumbo Frame s — 9.6 K B MAC ...
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Black Box LGB624A - page 9
Page 9 724-746-5500 | blackbox.com LGB 624 A Chap ter 2 : O ver view 2. Ove rview 2. 1 Intr oductio n The 24- Port Web Smart Gigabit Ethernet S witch provides 2 4 10- /1 00 - /1 00 0 - Mbps por ts. It is designed for easy installation and enables h igh per form ance in an envir onment where tra f fic on the network and the number of u ser s i ncrea ...
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Black Box LGB624A - page 10
Page 10 724-746-5500 | blackbox.com LGB 624 A Chap ter 2 : O ver view • All por ts provide autonegotia tion and Auto MDI / MD I-X functions. • Support s flow contr ol : backpr essure for h alf-duplex and IEEE 802 .3x for full- dup lex m ode. • Smart plug and play . 2. 3 What ’s Included Y our package should c ontain the f ollowing item s. I ...
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Black Box LGB624A - page 11
Page 11 724-746-5500 | blackbox.com LGB 624 A Chap ter 2 : O ver view T able 2 - 1 . 24- Por t W eb Smart Gigabit Ethernet S witch componen t s. Number Component Descri ptio n 1 (1) Power L ED Lig hts wh en pow er to the uni t is on. 2 (24 ) 1 0 00 M LEDs Lig ht when a p or t is oper ating at 100 0 Mb ps. 3 (24 ) LI NK / ACT LED s L ight so lid wh ...
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Black Box LGB624A - page 12
Page 12 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3. Sof t ware Des cri ption This sec tion explains ho w to set up and man age the sw it ch through t he Web user in ter f ace. 3 .1 L o g i n First, op en the W eb browser , and go to 1 92 . 1 68. 2 . 1 . T he login screen will appear . T yp e in the pa ss word (defa u ...
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Black Box LGB624A - page 13
Page 13 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3. 2 Confi guration 3 . 2 .1 S y s t e m This page shows sy stem c onfigur ation inf ormation, as i llustrat ed in Figure 3- 3. Figure 3-2 . System C onfiguration screen. ...
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Black Box LGB624A - page 14
Page 14 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • MAC Address: Displays the unique h ardware address assigned by ma nufacturer (d ef ault). • S / W Version: Displays the switch’ s firmware v ersion. • H / W V ersion : Displa ys the s wit ch’ s hardware version. • DHCP E nabled: Click the bo x to enable D ...
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Black Box LGB624A - page 15
Page 15 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3.2. 2 Port s Por t Security ensures ac cess to a switch por t based on MAC address, li mits the total nu mber of devices from usi ng a switch por t, and pro tect s against MAC floo ding att ack s. 3.2. 2. 1 Port Configu rati on In Por t C onfiguration , you can set an ...
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Black Box LGB624A - page 16
Page 16 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3-3. Figure 3- 4. ...
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Black Box LGB624A - page 17
Page 17 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3. 2.3 V L AN A Vir tu al L AN ( V L AN ) is a logical net work gr ouping tha t limits the broadcast domain, wh ich would allow y ou to isolat e net work tr affic, s o only the members of the same V L AN will receive tr affic from the members of the same V L AN. Basica ...
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Black Box LGB624A - page 18
Page 18 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3- 6. 3. 2.3 .3 VL A N Per Por t Configuration The 8 0 2 . 1 Q Per Por t C onfiguration page allo ws you to change the VL AN paramet ers for individual port s or trunks. Y ou can configu re VL A N behavior f or specific inter f aces, including the acc epted fram ...
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Black Box LGB624A - page 19
Page 19 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • Por t / T runk: The port number of the por t or the ID of a trunk. • VL A N Awa re Ena bled : VL A N awar e por ts are able to use VL A N tagged frames to determi ne the destination VL A N of a fr ame. (D ef ault: En abled ) • VL A N awar e por ts will strip th ...
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Black Box LGB624A - page 20
Page 20 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3. 2.4 Ag gregation Por t trun k allows multiple li nks to be bundled together and act as a single physical link f or increa sed throughput. It pro vides load balancing, and r edundancy of links in a switched int er -net work. Actually , the lin k doe s no t have an i ...
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Black Box LGB624A - page 21
Page 21 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • Key V alue: Confi gures a por t' s L AC P admin istration k ey . T he port administrative k ey must be set to the same value for port s tha t belong to the same link aggregation gr oup ( L AG). If this administra tive ke y is not set when an L A G is formed (i ...
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Black Box LGB624A - page 22
Page 22 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • For ward Dela y: T he maximum ti me (in se c onds) the root device will wait bef ore changing states (i.e . , disc arding t o lear ning t o for warding) . Number bet ween 4 –30 (default is 1 5 ). • Force V er sion: Set and show the RST P prot ocol to use . Norm ...
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Black Box LGB624A - page 23
Page 23 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3- 1 1 . R STP por t config uration screen. ...
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Black Box LGB624A - page 24
Page 24 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3- 1 2. RSTP s ystem con figuration scr een. Figure 3- 1 3. RST P system configur ation screen. ...
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Black Box LGB624A - page 25
Page 25 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3.2.7 IGMP Snooping IGMP Sno oping i s the process of listen ing to IGMP net work tra f fic . IGM P Snooping, as impl ied by the name , is a feat ure tha t allows a layer 2 switch t o “ listen in ” on the IGMP conversation bet ween hosts and routers by processing t ...
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Black Box LGB624A - page 26
Page 26 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3.2. 8 Mir roring Por t Mirr oring is used on a network s witc h to send a copy of ne t work pack ets seen on one s witc h por t (or an entire VL AN ) to a net work monit oring c onnec tion on another switch port. T hi s is commonly used f or net work appli ances that ...
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Black Box LGB624A - page 27
Page 27 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figur e 3- 1 6. Mirroring c onfigu ration screen . 3. 2.9 Qualit y of Ser vice (Q oS) In QoS Mod e , selec t QoS Disabled, 802 . 1 p, or DSC P to c onfigur e the relat ed parameters . 3. 2.9. 1 QoS Co nfigurat ion • S tric t: Ser vices the egress queues in sequent ia ...
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Black Box LGB624A - page 28
Page 28 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3- 1 7 . QoS configuration screen. 3. 2.9.2 QoS M ode : QoS Dis abled When the QoS Mod e is set t o QoS Disabled, the followin g table is displayed . Figure 3- 1 8 . QoS di sabled s creen . 3. 2.9.3 QoS Mo de : 802. 1 p Pack ets are prioritized u sing the 802 . ...
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Black Box LGB624A - page 29
Page 29 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3- 1 9. QoS con figura tion custom selec ted. Figure 3-2 0. ...
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Black Box LGB624A - page 30
Page 30 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3. 2.9.4 QoS Mo de : DSCP DSC P: Pack ets are prioritiz ed using the DSC P ( Dif f erentia ted Ser vices C ode Point) value . The Dif f erenti ated Ser vices C o de Poin t ( DSC P) is a six-bit field that is contained withi n an IP ( T CP or UDP) header . T he six bits ...
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Black Box LGB624A - page 31
Page 31 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3 - 22. 3. 2. 10 S torm Control Broadcast storms may occu r when a device on your network is malfunctioning, or if application progr ams are not wel l designed or properly configu red. If there is too much br oadcas t tr affic on your net work, performance can b ...
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Black Box LGB624A - page 32
Page 32 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • Rate (number of fr ames per se c ond ): The Rate field is set by a single dr op -dow n list. The same threshold is applied to e ver y port o n the switch . When the threshold is ex ceeded, pack ets are dropped, irrespec tive of the flo w- contr ol set tings. • We ...
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Black Box LGB624A - page 33
Page 33 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3. 3.3 L ACP Status 3. 3.3. 1 L ACP Aggregation O ver view Figure 3-2 6. • Por t: The por t number . • Por t Active: Shows if the por t is a member of an acti ve LAC P group . • Partner Por t Number: A list of the port s attached at the remote end of th is L AG l ...
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Black Box LGB624A - page 34
Page 34 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on 3.3. 3.2 L A CP Port Status Figure 3- 2 7 . L AC P p ort st atu s screen. 3. 3.4 RS TP Status 3. 3.4. 1 R STP V L AN Bridge O verv iew Figure 3- 2 8. R STP V L AN bridge over view . • Hello Time : Int er val (in seconds) at which the root device t ransmi t s a confi ...
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Black Box LGB624A - page 35
Page 35 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • Fwd Delay: The max im um time (in seconds) the root device will wait bef ore changing states (i.e . , disc arding t o lear ning t o for warding) . This delay is re quir ed because ever y device must receiv e inf ormation about topology changes before it star ts to ...
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Black Box LGB624A - page 36
Page 36 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • P2P Port: Shows if this por t is fun c tioni ng as a Point -to- Poin t connection to exac tly one other bridge . The sw it ch can autom atically determine if the i nterface is attached to a point -to- point l ink or to s hared media. If sha red media is detected, t ...
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Black Box LGB624A - page 37
Page 37 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • Cable S tatus: Shows the cable length, operati ng conditions a nd isolates a variety of common f aults that can occu r on Cat egor y 5 t wisted pair cabli ng. Figure 3-3 1 . Figure 3-3 2. ...
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Black Box LGB624A - page 38
Page 38 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3-3 3. Figure 3-34. 3.3.7 P ing This comma nd sends ICMP echo request packe t s t o another node on the network. 3.3.7 . 1 Ping Pa rameters • T arget IP Address : IP address of the host. ...
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Black Box LGB624A - page 39
Page 39 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on • C ount: Number of pack ets to send. ( Range: 1–2 0 ) • Time Out: s etting the time period the host will Ping. Use the ping comm and to see if another si te on the network c an be reac hed. The following ar e some results of the ping comm and : • Normal respon ...
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Black Box LGB624A - page 40
Page 40 724-746-5500 | blackbox.com LGB 624 A Chapter 3 : Soft ware Descripti on Figure 3-36. Figure 3-3 7 . ...
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Black Box LGB624A - page 41
Page 41 724-746-5500 | blackbox.com LGB 624 A Chap ter 4 : Maintenan ce 4. M aintenance 4. 1 Warm R es tar t Press the “Y es ” button to restar t the switch. The reset will be complet e when the power ligh t s stop bli nking. Figure 4- 1 . W arm Reset screen. 4. 2 Fac to r y Defau lt This function forc es the sw it ch back to the orig inal f ac ...
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Black Box LGB624A - page 42
Page 42 724-746-5500 | blackbox.com LGB 624 A Chap ter 4 : Maintenan ce Figure 4 - 3. 4. 4 Configuration Fi le T rans fer C onfigu ration file tr ansfer allows you t o save the switch ’ s curren t configu ration or restore a previou sly saved configu ration back t o the device. C onfigura tion files can be saved to any location on the web man age ...
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Black Box LGB624A - page 43
Page 43 724-746-5500 | blackbox.com LGB 624 A Chap ter 4 : Maintenan ce 4.6 Re set But ton for the Fac tory D efau lt Se tting Follow these steps to reset the Web Sma r t S witch back t o the original def ault: ST EP 1: T urn on the Web S mar t S witch ST EP 2: Press and hold the reset but ton c ontin uously for 5 seconds an d release the reset but ...
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Black Box LGB624A - page 44
B LAC K BO X ® Black Box T ech Support: FREE! Live. 24/7. T ech support the way it should be. Great tech support is just 60 seconds away at 724-746-5500 or blackbox.com. 724-746-5500 | blackbox.com LGB 624A , ver sio n 2 Abo ut Black Box Black Box provides an ex tens ive range of net working and in frastruc ture pr oduc ts. Y ou’ll fi nd ever y ...
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