Kune mhando dzakawanda dzekuchinja, imwe yacho iri iyo ethernet switch. Chigadzirwa chinoshandiswa zvakanyanya mudzimwe dzimba chinoda kubatanidza michina yakati wandei kunetiweki newiring, mumahofisi, uye zvakare nemaseva. Uye, kunyangwe hazvo pasipo waya akaomeswa, pachine kuvimba kwakawanda pamusoro pekatebhuru.
Kana iwe uchida imwe yeiyi netiweki michina, chokwadi ndechekuti ivo vari nyore kwazvo kune chikamu chikuru, kunyange paine mamwe akati wandei epamberi. Kunyangwe zvakadaro, hazvisi nyore sarudza chaicho mune dzimwe nguva. Kana iwe uchifanira kuziva zvimwe zvehunyanzvi ruzivo izvo zvinokubatsira iwe mune sarudzo, pamwe neakanakisa mamodheru iwe aunogona kuwana mumusika.
Yakanakisa Ethernet switch mamodheru
Izvi zvimwe zve mhando dzinopa mhinduro dzakanakisa Kana zvasvika kune Ethernet switch yeimba kana hofisi:
D-Batanidza DXS-1100-10T
- 19 ”rack-mountable, bhizinesi-kirasi, yepamusoro-kuita, inokwanisika network switch ne1U ye ...
- Iyo ine 8 10 Gigabit Ethernet zviteshi uye 2 10 GbE SFP + zviteshi
Kutaura kuti D-Link DXS-1100-10T iri kushandisa mazwi mahombe. Ichokwadi kuti ndechimwe chezvinonyanya kudhura, asi inyanzvi chishandiso chinogona kuve mubatsiri mukuru kukambani. Ichi chishandiso chinotsigira kumhanya kunosvika gumi Gbps (NBASE-T) uye fiber optics.
Uye zvakare, iyo switch ine 8 10Gbit LAN zviteshi (RJ-45), uye 2 SFP + zviteshi zve fiber optics. Uye kana izvo zvisina kukwana, zvinoshanda nemhando yepamusoro uye zvinogona kutokwidzwa mu19 ″ rack uye inobata 1U kukwirira, kwekumisikidza mumaseva makabati.
Izvo zvinewo isingavharidzi tekinoroji kuchinjisa kusvika ku200 Gbits pasekondi pasina kuvhara pakati pezvinhu zvakasiyana zvakabatana, uye netafura yeMAC inosvika 16.384 zvinyorwa. Iyo firmware yechinhu ichi zvakare ndiyo yakanyanya kunaka iwe yaunogona kuwana pamusika.
Netgear Nighthawk SX10
- 10G inokurumidza kakapetwa ka10 pane 1G - inotsigira ese akawanda-gigabit zvishandiso nesimba rakakodzera
- Chengetedza latency uye udzikise lag spikes: yakagadzirirwa kumitambo, bandwidth yekuwana muganho pa ...
Imwe yeakanakisa Ethernet switch mamodheru aunogona kuwana ndeye ek Netgear Nighthawk SX10. Iyi zvakare iri mhando yehunyanzvi, kunyangwe ichidhura zvakanyanya kupfuura yapfuura. Iyo yakanakira kumahofisi kana mutambo nekuda kwekukwirira kwayo kuita uye kugadzirisa (inoderedza latency) yemhando idzi dzekushandisa.
Su kumhanya kwakanyanya ndeye 10Gbps (NBASE-T) ye2 emachiteshi ayo, kwatinofanira kuwedzera mamwe masere masere anoshanda pa8Gbps. Mune ino kesi, iyo firmware zvakare yakanaka kwazvo, iine huwandu hwemabasa uye marongero aunosarudza kubva.
D-Batanidza DGS-108
- Simbi chassis yekudzivirira kukuru uye kupisa kuri nani kupisa, uko kunoshandura kuita kukuru ...
- Chivhariso uye kutamba, hapana configuration kunodiwa
Kana izvo zvauri kutsvaga zviri chimwe chinhu chakachipa cheimba yako, ipapo iyo D-Link DGS-108 ndiyo imwe yesarudzo dzakanakisa iwe. Iri timu rine kuita kwakanaka, kugadzikana kukuru, uye kwakanaka kupisa kupisa nekuda kwechisimbi chassis chayo chinokutendera iwe kuti ushande pasina zororo pasina matambudziko.
Iyo ine 1Gbps kumhanya (1000BASE-T) ine 8 zviteshi. Kugadziriswa kwayo kuri nyore kwazvo zvekuti unongoda kubatana uye ichave iri kushanda. Uye kana uine Internet TV sevhisi, Iine IGMP Snooping, saka mashandiro acho achavimbiswa kuitira kuti pasave nemadonhwe anotsamwisa.
TP-Batanidza TL-SG108
- [8-port gigabit switch] - 8 45/10 / 100Mbps RJ1000 zviteshi zvine otomatiki kumhanya kuona, kutsigira ...
- Green ethernet tekinoroji inochengetedza kushandiswa kwesimba
Imwe nzira kune yapfuura D-Link ndeiyi TP-Link, zvakaenzana yakachipa uye yakakwana kumisha kana mahofisi havadi zvakawanda. Mune ino kesi, ine kumhanya inosvika ku1Gbps uye 8 RJ-45 chiteshi.
Izvo zvinewo kukosha kwe IGMP Kuzeya kune avo vanoshandisa IPTV masevhisi, uye yakave zvakare yakagadzirirwa chassis chassis iyo inoshanda seyekupisa singi, kudzivirira kuti irege kupisa kana ichishandiswa zvakanyanya.
Chii chinonzi switch?
Un chinja, kana chinja, chishandiso chinokutendera kuti ubatanidze akawanda madhijitari kunetiweki. Nenzira iyoyo, zvese zvishandiso zvinogona kubatanidzwa kunharaunda yenharaunda network kana LAN. Uyezve, iwo maratidziro ehunyanzvi, mune ino kesi, achatevera iyo Ethernet standard (IEEE 802.3).
Misiyano pakati pehubhu uye swith
Pane kusiyanisa pakati peHub ne switch, nekuti kunyangwe ivo vaine zvakafanana mabasa, chokwadi ndechekuti vane mimwe misiyano. Semuenzaniso, mumaFrames anotumirwa sei. Ndokunge, iyo nzira iyo inetiweki mafuremu ayo anotamisirwa kutakura iwo ruzivo anotumirwa.
Munyaya ye hubs network, mafuremu aya, kana akateedzana emabhiti, anotumirwa kumidziyo yese yakabatana nehubhu zvakaenzana. Pane kudaro, pane switch vanongotumirwa kune chakanangwa mudziyo. Ndokureva, hub inogona kushanda seyakajairika mbavha yemagetsi inoita kuti ipulagi imwe ishanduke kuve akati wandei.
Pane kudaro, switch, sezita zvarinoratidza, inoita kunge switch, kuchinja pakati pezvakabuda zvakasiyana kuti utumire ruzivo kune chakakodzera chishandiso. Naizvozvo, inofanirwa kunge iine imwe yemhando yepamusoro uye yakapihwa kugona kuziva kwayinofanira kutungamira ruzivo.
kubudikidza ejemploFungidzira kuti une PC yakabatana neswitch, uye network network. Kana imwe nhare yakabatana ikatumira ruzivo kuprinta gwaro, ruzivo irworwo harufanirwe kuenda kuPC network network, asi kune purinda ...
Switch inoshanda sei?
Mazhinji emambure akabatana kuburikidza ne switch ane nyeredzi topology. Ndokunge, kana uchishandisa Ethernet LAN gadziriso ichashandiswa uko zvese zvishandiso zvakabatana kune yepakati switch.
Sezvandambotaura, ita nekuchinja kuvonga kumatunhu ayo uye processor. Naizvozvo, ivo vanozotumira iwo network mapaketi kuburikidza neyakafanira kuburitsa. Chimwe nechimwe chezvigadzirwa zvakabatana hazvizove zvichitambira chinhu chakafanana nehubhu, asi vanogona kuita sekunge vese vaive vakabatana neiyo router vakazvimiririra.
Aya ndoamunoiwana nawo yakawedzera network scalability kubatanidza zvimwe zvishandiso. Chinhu chinobatsira kwazvo pamidziyo yakabatana mudzimba, mahofisi, uye mumakambani makuru.
Iwe zvakare unofanirwa kuziva kuti iwe unogona kusevha a yakakwira bandwidth, sezvo mushanduro data risingadzokororwe kuburikidza neese emahombekombe ayo senge mune hub apo node mbiri dziri kuyedza kutaurirana. Iyo switch inoshandisa iyo MAC kero yeyese yakabatana chishandiso kuvaziva, uye nekudaro kuendesa iyo data pakati pekutumira node uye yekugamuchira node munzira yakasarudzika.
Kune rumwe rutivi, muhubhu kumhanya kwacho kwakachinjiswa kune yepasi pekumhanya zvakabatana zvishandiso kana uchifambisa pakati pavo. Izvo hazvina kudaro mune imwe nyaya ...
Chii chandiri kuda switch yeEthernet?
Basa rekutanga ndere Joinha kana kubatanidza akawanda madhijitari kunetiweki. Asi iwe haufanire kuisanganisa ne router, nekuti switch yeEthernet haipe kubatana kune mamwe maratidziro kana neInternet. Mune mamwe mazwi, kuti zvishandiso zvibatanidzwe neInternet, switch yacho inodawo kuve yakabatana neiyo router.
Asi kana uchibatanidza akawanda network network uchishandisa switch, unogona kuita zvinhu senge:
- Goverana data pakati pemakomputa akawanda akabatana.
- Shandisa network maprinta.
- Gadzira rauta inogumira mumachiteshi kuti igovane kubatana kwayo nemamwe akawanda madhijitori nekuda kwekuchinja kuri kuwedzera huwandu hwezviteshi zviripo.
Ehezve, kana iwe ukabatanidza switch neako router, gara uchifunga kuti iko kubatana kwekumhanya yemidziyo yese yakabatana ichagumirwa nekumhanya kwenetiweki yako. Ndokunge, switch yacho ichagovana Internet kumhanyisa, asi haizowedzere iyo ...
Ethernet Chinja Mhando
Pane mhando dzakasiyana dzeEthernet switch mumusika. Akakurumbira ndeaya:
- Desktop: ndidzo dzakanyanya kukosha, pasina imwe yekuwedzera. Ndidzo dzinonyanya kushandiswa mumba. Ivo kazhinji vane mana kusvika masere emachiteshi. Iwo anomhanyisa kazhinji anowanzoitwa 4/8/1 Mbps, anoita muchimiro chehafu-duplex uye yakazara-duplex.
- Nzvimbo isingadzorike- Inoshandiswa kune madiki epakati ekuparadzira netiweki Iwo akati kurei uye anodhura pane apfuura. Uye zvakare, ivo vanogona kuve kubva kumachiteshi mana kusvika makumi maviri nemana mune dzimwe nguva. Iwo anomhanya ari 4/24 Mbps uye anosvika 10Gbps.
- Inogoneka pimendi: yakafanana neyakapfuura, asi kune epakati / makuru epamusoro-mashandiro enetiweki. Zviteshi zvaro zvinotangira kubva pa16 kusvika pa48, uye zvine mamwe marongero epamberi ekumhanyisa kune mamwe maitiro ehunyanzvi.
- Pakati pekubatsira matanda: anoshandiswa kune epakati network ine hunyanzvi hwekuita uye epamberi mabasa. Vamwe vanogona zvakare kusvika kumhanya kwe10Gbps.
- Yakakwira mashandiro emiti: anoshandiswa mumahombekombe makuru epa data uye supercomputing (HPC). Ivo anodhura kwazvo uye epamberi, saizi yavo zvakare yakakura kwazvo, uye vanopa kumhanya kwakanyanya.
Kutenga Matipi eEthernet switch
Para sarudza yakanaka Ethernet switch, iwe unofanirwa kufunga nezve dzinoverengeka kufunga. Tichifunga nezvema paramita aya, kutenga kwacho kunofanirwa kunge kuri kubudirira, pasina kushamisika kana kushungurudza chishandiso chawakawana nekuda kwekukanganisa kwadzo.
Yakanakisa Chinja Zvikwereti
Kana iwe uchida mudziyo unovimbika uye unogara nguva kana iro basa richizorema, saka unofanirwa kutsvaga mhando dzakanakisa. Zvikasadaro, iwe unogona kunge uchinyanya kunetseka nezve glitches pane kunyatso kunakirwa nezvazvinopa.
ari mhando dzakanakisa Iwo andinokurudzira ndiCisco, Netgear, TP-Link, D-Link, Juniper, uye ASUS. Dzese dzinopa hunhu hwakanaka kwazvo. Saka kana ukasarudza chero emhando yavo, haufanirwe kunge uine matambudziko akawandisa panguva yekushandisa kwavo.
Speed
La velocity Iyo Ethernet switch inogona kunge yakasiyana zvichienderana nechishandiso, asi iwe unofanirwa kugara uchifunga iyo yaunoda zvinoenderana nechishandiso chauri kuzoishandisa. Semuenzaniso, hazvina kufanana kushandisa switch yeEthernet sevha, pane yekumba.
Chokwadi iwe unotoziva kuti uripo Ethernet, Fast Ethernet, Gigabit Ethernet, nezvimwe. Kune imba uye hofisi, Gigabit Ethernet (1000BASET-T) inofanirwa kukwana, nekuti kumhanya kunosvika 1 Gbps kunowanikwa. Izvo zvinokodzera kuwanda kwemaapplication uye mitambo. Panzvimbo iyoyo, 10 Gigabit (10GbE) kana yepamusoro ichadikanwa kune bhizinesi uye mamwe ma-high-performance network.
Este mhando yetekinoroji kana zviyero Izvo hazvingokanganisa kumhanya chete, asi zvakare mhando yepakati iyo inopfuudzwa nayo, iwo marefu kureba kwetambo, nezvimwe. Semuyenzaniso:
- 10BASET-T- Ethernet yakajairwa uchishandisa isina kuvharwa cat3 UTP tambo ine RJ-45 zvinongedzo. 10 inoratidza kuti inotsigira kumhanya kweMbps 10. Iyo yakanyanya kureba i100 metres yekukomberedza. Pamusoro pazvo zvinogona kukonzera matambudziko.
- 1000BASET-TX: inonzi Fast Ethernet, ndiko kuti, nekumhanya kunosvika 100Mbps. Inoshandisa yakafanana mhando yekati5, cat5e, uye cat6 UTP tambo, iine hurefu hwakareba hwemamita zana.
- 1000BASE-T- Inoshandisa UTB cat5 kana yepamusoro cabling, inosvika zana metres pakureba. Iyo inomhanya mune ino kesi ndeye 100 Mbps kana, chii chakafanana, 1000Gbps.
- 100BASE-FX: Zvakafanana ne100BASE-T, asi pane fiber optic cabling. Muchiitiko ichi kureba kwasvika pamamita 412.
- 1000BASE-X: Zvakafanana ne1000BASE-T, asi iine fiber tambo. Iwe unowana akati wandei madiki, senge iyo SX, LX, EX, ZX, uye CX, nemisiyano mishoma. Zvichienderana neizvozvo, vanogona kubva pamamita makumi maviri nemashanu pakureba kwetambo, kusvika pamakiromita.
- 10GBE: inonziwo XGbE. Nema subtypes akati wandei anogona kutsigira ese maviri UTP tambo uye fiber optic yekumhanya kwe10Gbps.
Kune mamwe matanho uye shanduro, asi izvi ndezvimwe zvinonyanya kufarirwa pakati pemidziyo yaunoda yeimba kana hofisi.
Port arambe achirema
Sezvawaona, havasi vese Ethernet switch mamodheru ane akaenzana nhamba yezviteshi. Iko kune kubva paana kusvika gumi nemaviri. Izvi zvakakosha pakusarudza iro chairo, nekuti iwe unofanirwa kuona huwandu hwenzvimbo dzaunofanirwa kubatanidza kuti ukwanise kuva nadzo dzese.
Unogona kugara uchitenga switch yechipiri yeEthernet kana iwe uchinge uchishayikwa, asi handiyo inonyanya kuona. Saka funga nezve zvese zvishandiso zvauri kuzobatanidza, ese ari maviri michina yekushandisa, IoT, maPC, maprinta enetiweki, nezvimwe. Sezvineiwo, iwe unofanirwa kuve uine chiteshi chisina kujairika chekusiya kana ukasarudza kuwedzera yako repertoire yemidziyo mune ramangwana.
Iwe zvakare haufanire kutenga switch ine akawanda kwazvo madoko, sezvo mutengo wayo unowanzo kuve wakakwira zvakanyanya uye unenge uchitambisa mari yausingazokwanisa kutora mukana. Saka, mira uongorore zvaunoda chaizvo.
Nenzira mamwe epakati- uye epamusoro-magumo switch anopa modular madoko isina chero chaiyo port port. Izvo zvinokutendera iwe kuti utenge yakaparadzana port ma module uye nekudaro unoenderana nechero mhando Semuenzaniso, unogona kuisa fiber optic module, kana ma module eRJ-45, eiyo RJ-11, nezvimwe.
Mumaseji ekupedzisira-ekupedzisira ivo vanouya nemachiteshi zvakananga, uye mune zvimwe zviitiko zvematanho epamusoro futi. Asi kana iwe ukasangana neimwe yeaya modular madoko, iwe unofanirwa kuziva izvo kune maGBIC (Gigabit Interface Converter) tambo dzeUTP kuGigabit Ethernet; y iyo SFP (Diki Fomu-chinhu Inotakurika), kana mini-GBIC, ayo anoshandiswa kuGigabit kana 10GbE ine fiber kana UTP tambo.
Kugadziriswa
Kana ndaratidza mhando dzeEthernet switch, iwe wakwanisa kuongorora kuti dziripo inokwanisika uye isingadzoreke. Zvakanaka, izvo zvinokwanisika zvinodhura, asi zvinotendera yakakura yekumisikidza kugona. Nepo ekupedzisira ari akadhura uye ari nyore kushandisa, asi pasina zvakawanda zvinachinjika.
Iyo isingadzoreke pamwe neyakachipa, inouya neyakagadzika yekumisikidza yakatogadzirwa kufekitori. Izvi zvinongovabatanidza uye kutanga kushanda, pasina iwe unofanirwa kuita chero chinhu. Inonyanya kugadzikana, uye iyo yakakurudzirwa kune vanhu vasina ruzivo rwekugadzwa kwenetiweki.
Asi kana iwe uchida chimwe chinhu zvakare, inokwenenzverwa ine yepamusoro firmware iyo iwe yaunogona gadzira nehuwandu hwezvinhu (CLI, SNMP, VLAN, IP routing, IGMP Snooping, Link Aggregation, QoS,…). Uye zvakare, iwe unogona kudzikamisa bandwidth uye woita mamwe marongero anozokanganisa mashandiro uye chengetedzo yenetiweki. Ndokusaka ivo vakanakira nyanzvi kana zvemberi netiweki.
Parizvino kune mamwewo smart switch iyo inobvumidza kugadzirisa zvimwe zvinhu pamutengo wepakati pakati pezvisingakwanisike uye zvinogoneka. Iwo akanaka kwazvo kumisha yazvino uno inoda zvishoma kupfuura izvo izvo zvisingakwanisike kupihwa, asi nemutengo wakachipa.
Firmware
Paunosarudza isingadzoreke, iyo firmware haina kukosha zvishoma. Kune rimwe divi, kana zvasvika kune imwe yakati rebei Ethernet switch, unofanirwa kuona kuti firmware yakanaka. Uye kunyanya kuti mupi wemidziyo yenetiweki anoigadzirisa zvakanaka, ndokuti, kuti inoigadziridza nguva dzose.
Una update firmware haingokutenderi iwe kuwedzera mamwe mabasa sekufunga kwevanhu vamwe. Icho chinhu chinogona kugadzirisa kusagadzikana kunokanganisa kuchengetedzeka kweiyo yako rd, kugadzirisa mabugs ayo anokanganisa mashandiro akanaka ekombuta, kana kugadzirisa mashandiro mune dzimwe nguva.
Zvimwewo zvinhu
Pakupedzisira zvakare iwe unofanirwa kufunga zvimwe zvekuwedzera iyo mimwe mienzaniso yemagetsi switch ine. Zvinonyanya kuzivikanwa ndezvi:
- Saizi yesimbi: buffer ndeye buffer, mhando ye cache inochengeta data nekukurumidza kune imwe nguva. Aya ndiwo maitiro mashandiro anovandudzwa. Panyaya yekumwe kushanduka, ivo zvakare vane ndangariro idzi dzinochengeta mafuremu ari kuzotumirwa kune chaiyo chiteshi. Uye zvakare, izvi zvinobvumira iyo Ethernet switch yekuchinjisa pakati pemidziyo inoshanda nekumhanya kwakasiyana isina kumbodzora, inongochengeta iyo data mune ino ndangariro nepo chinononoka chishandiso chine nguva yekudzosera iyo data nekumhanya kwayo. Ita shuwa kuti switch yacho ine masimba akanaka eaya ndangariro zvenguva pfupi kana iwe uchizoshandisa zvishandiso kumhanya kwakasiyana ...
- PoE (Simba pamusoro peEthernet) uye PoE +: aya ndiwo matekinoroji anotsigirwa nemamwe ma switch uye anotendera iwo magetsi emagetsi kuti zvishandiso izvi zvinofanirwa kushanda kuti zviwanikwe kuburikidza neiyo imwechete LAN tambo. Ndokunge, vaisazoda tambo yemagetsi yakaparadzana. Izvi hazvisi zvakakosha, asi zvinogona kuve zvakanaka mune kesi apo switch yeEthernet inofanira kuiswa munzvimbo isina mapulagi.
- SDN (Software-Yakatsanangurwa Networking): iseti yeteki matekiniki ekushandisa software netiweki. Parizvino chiyero chakashama chinoshandiswa zvakanyanya OpenFlow. Izvi zvinokutendera iwe kumisikidza network, gadzirisa iyo data nzira iyo mapakeji anofanirwa kutevedzera, kure manejimendi, nezvimwe. Haisi chimwe chinhu chinodiwa mudzimba dzakawanda nemahofisi, asi icho chinhu chinodiwa kana iwe uchida kumisikidza mamwe emambure epamberi.