{"id":1242,"date":"2025-12-03T10:50:00","date_gmt":"2025-12-03T09:50:00","guid":{"rendered":"https:\/\/www.senetic.cz\/blog\/?p=1242"},"modified":"2026-03-26T09:54:54","modified_gmt":"2026-03-26T08:54:54","slug":"jak-vybrat-spravny-prepinac-pro-vasi-spolecnost","status":"publish","type":"post","link":"https:\/\/www.senetic.cz\/blog\/1242,jak-vybrat-spravny-prepinac-pro-vasi-spolecnost\/","title":{"rendered":"Jak Vybrat Spr\u00e1vn\u00fd P\u0159ep\u00edna\u010d Pro Va\u0161i Spole\u010dnost?"},"content":{"rendered":"\n

\u010cl\u00e1nek vysv\u011btluje roli s\u00ed\u0165ov\u00e9ho za\u0159\u00edzen\u00ed<\/strong>, kter\u00e9 spojuje za\u0159\u00edzen\u00ed v m\u00edstn\u00ed s\u00edti (LAN) a spravuje jejich komunikaci. Dozv\u00edte se, jak vybrat switch pro firmu, na co se zam\u011b\u0159it p\u0159i n\u00e1kupu a jak\u00e9 typy s\u00ed\u0165ov\u00fdch p\u0159ep\u00edna\u010d\u016f se hod\u00ed pro r\u016fzn\u00e9 aplikace. \u010cl\u00e1nek je ur\u010den pro majitele firem, IT administr\u00e1tory a osoby odpov\u011bdn\u00e9 za rozvoj s\u00ed\u0165ov\u00e9 infrastruktury v mal\u00fdch a st\u0159edn\u00edch podnic\u00edch.<\/p>\n

\n

Ve sv\u011bt\u011b modern\u00edho podnik\u00e1n\u00ed, kde t\u00e9m\u011b\u0159 ka\u017ed\u00fd proces funguje na z\u00e1klad\u011b IT infrastruktury, je spolehliv\u00e1 po\u010d\u00edta\u010dov\u00e1 s\u00ed\u0165 nezbytn\u00fdm z\u00e1kladem efektivn\u011b funguj\u00edc\u00ed kancel\u00e1\u0159e. Jedn\u00edm z kl\u00ed\u010dov\u00fdch prvk\u016f t\u00e9to infrastruktury je switch. I kdy\u017e pro mnoh\u00e9 m\u016f\u017ee b\u00fdt jen \u201e\u010dernou krabic\u00ed s porty\u201c, jeho role v ka\u017edodenn\u00edm fungov\u00e1n\u00ed firmy je obrovsk\u00e1. Dob\u0159e zvolen\u00fd switch pro firmu nejen zaji\u0161\u0165uje stabiln\u00ed p\u0159ipojen\u00ed, ale tak\u00e9 umo\u017e\u0148uje rozvoj organizace, zlep\u0161uje bezpe\u010dnost dat a zvy\u0161uje efektivitu pr\u00e1ce t\u00fdmu.<\/p>\n

Co je to s\u00ed\u0165ov\u00fd switch?<\/h2>\n

Switch (s\u00ed\u0165ov\u00fd p\u0159ep\u00edna\u010d) je s\u00ed\u0165ov\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 spojuje po\u010d\u00edta\u010de, tisk\u00e1rny, servery a dal\u0161\u00ed za\u0159\u00edzen\u00ed v m\u00edstn\u00ed s\u00edti LAN.<\/strong> Obvykle m\u00e1 mnoho Ethernet port\u016f, co\u017e umo\u017e\u0148uje p\u0159ipojen\u00ed r\u016fzn\u00fdch za\u0159\u00edzen\u00ed. Switch funguje p\u0159edev\u0161\u00edm na \u00farovni datov\u00e9 linky (Layer 2) modelu OSI.<\/p>\n

Jeho \u00fakolem je \u0159\u00eddit s\u00ed\u0165ov\u00fd provoz tak, aby data dorazila p\u0159\u00edmo k p\u0159\u00edjemci, ani\u017e by zbyte\u010dn\u011b zat\u011b\u017eovala ostatn\u00ed za\u0159\u00edzen\u00ed. Switch analyzuje datov\u00e9 pakety a p\u0159ed\u00e1v\u00e1 je pouze na konkr\u00e9tn\u00ed port, ke kter\u00e9mu je p\u0159ipojeno c\u00edlov\u00e9 za\u0159\u00edzen\u00ed. V\u00fdsledkem je, \u017ee s\u00ed\u0165 funguje rychleji, stabiln\u011bji a bezpe\u010dn\u011bji.<\/p>\n

Nep\u0159ehledn\u00fd nebo spravovateln\u00fd switch?<\/h2>\n

Rozli\u0161ujeme dva typy s\u00ed\u0165ov\u00fdch p\u0159ep\u00edna\u010d\u016f – nep\u0159ehledn\u00fd p\u0159ep\u00edna\u010d a spravovateln\u00fd p\u0159ep\u00edna\u010d.<\/p>\n

Nep\u0159ehledn\u00fd switch<\/h3>\n

Nep\u0159ehledn\u00fd switch<\/strong> je nejjednodu\u0161\u0161\u00ed forma p\u0159ep\u00edna\u010de, ide\u00e1ln\u00ed pro mal\u00e9 firemn\u00ed s\u00edt\u011b a kancel\u00e1\u0159e, kter\u00e9 nemaj\u00ed IT odd\u011blen\u00ed. Takov\u00e9 za\u0159\u00edzen\u00ed funguje na principu \u201eplug & play\u201c \u2013 sta\u010d\u00ed p\u0159ipojit kabely a v\u0161e za\u010dne fungovat. Nen\u00ed pot\u0159eba konfigurace, p\u0159ihla\u0161ov\u00e1n\u00ed do panelu nebo znalosti specializovan\u00fdch protokol\u016f. Nap\u0159\u00edklad firma, kter\u00e1 provozuje malou \u00fa\u010detn\u00ed kancel\u00e1\u0159, m\u016f\u017ee \u00fasp\u011b\u0161n\u011b pou\u017e\u00edvat takov\u00fd s\u00ed\u0165ov\u00fd p\u0159ep\u00edna\u010d, obsluhuj\u00edc\u00ed n\u011bkolik po\u010d\u00edta\u010d\u016f, tisk\u00e1ren a p\u0159ipojen\u00ed k internetu. Av\u0161ak tato jednoduchost m\u00e1 svou cenu \u2013 absence mo\u017enosti spr\u00e1vy znamen\u00e1, \u017ee nem\u00e1me p\u0159ehled o tom, co se d\u011bje v s\u00edti, ani vliv na jej\u00ed fungov\u00e1n\u00ed.<\/p>\n

Spravovateln\u00fd switch<\/h3>\n

Spravovateln\u00fd switch <\/strong>nab\u00edz\u00ed mnohem v\u00edce mo\u017enost\u00ed, ale tak\u00e9 vy\u017eaduje odpov\u00eddaj\u00edc\u00ed znalosti nebo podporu specialisty. Umo\u017e\u0148uje mimo jin\u00e9 monitorov\u00e1n\u00ed provozu v s\u00edti, konfiguraci VLAN (virtu\u00e1ln\u00edch pods\u00edt\u00ed), p\u0159id\u011blov\u00e1n\u00ed priorit pro ur\u010dit\u00e9 typy dat (nap\u0159. VoIP), zabezpe\u010den\u00ed p\u0159\u00edstupu a vzd\u00e1lenou spr\u00e1vu. Tento typ p\u0159ep\u00edna\u010d\u016f najdeme ve firm\u00e1ch, kter\u00e9 pracuj\u00ed s velk\u00fdm mno\u017estv\u00edm dat, maj\u00ed mnoho odd\u011blen\u00ed nebo lokalit, pou\u017e\u00edvaj\u00ed IP monitoring nebo internetov\u00e9 telefonn\u00ed syst\u00e9my. Nap\u0159\u00edklad marketingov\u00e1 agentura s mnoha pracovn\u00edmi stanicemi, NAS serverem a VoIP telefony bude pot\u0159ebovat spravovateln\u00fd switch s podporou QoS a mo\u017enost\u00ed monitorov\u00e1n\u00ed s\u00edt\u011b. Spravovateln\u00e9 switche tedy nab\u00edzej\u00ed plnou kontrolu, pokro\u010dil\u00e9 zabezpe\u010den\u00ed a diagnostiku.<\/p>\n

Switch s PoE \u2013 kdy m\u00e1 smysl?<\/h2>\n

Technologie PoE (Power over Ethernet) je funkce, kter\u00e1 umo\u017e\u0148uje p\u0159en\u00e1\u0161et elektrickou energii stejn\u00fdm kabelem, kter\u00fd p\u0159en\u00e1\u0161\u00ed data. To zna\u010dn\u011b usnad\u0148uje instalaci za\u0159\u00edzen\u00ed, jako jsou IP kamery, access pointy nebo VoIP telefony. Nen\u00ed t\u0159eba p\u0159iv\u00e1d\u011bt dal\u0161\u00ed nap\u00e1jen\u00ed ani pou\u017e\u00edvat m\u00edstn\u00ed nap\u00e1jec\u00ed zdroje. P\u0159edstavme si obchodn\u00ed firmu, kter\u00e1 vybavila sklad IP kamerami \u2013 switch PoE umo\u017e\u0148uje je nap\u00e1jet bez nutnosti veden\u00ed samostatn\u00e9 elektrick\u00e9 instalace. V z\u00e1vislosti na v\u00fdkonu rozli\u0161ujeme PoE (do 15,4 W), PoE+ (do 30 W) a PoE++ (do 60 W a v\u00edce), co\u017e umo\u017e\u0148uje nap\u00e1jet st\u00e1le v\u00edce energeticky n\u00e1ro\u010dn\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n

Porty a propustnost \u2013 na co se zam\u011b\u0159it?<\/h2>\n

Dal\u0161\u00edm kl\u00ed\u010dov\u00fdm aspektem v\u00fdb\u011bru s\u00ed\u0165ov\u00e9ho p\u0159ep\u00edna\u010de bude po\u010det port\u016f a jejich propustnost<\/strong>. Nej\u010dast\u011bji se setk\u00e1v\u00e1me s porty 1G (Gigabit Ethernet), kter\u00e9 zcela posta\u010duj\u00ed pro typickou kancel\u00e1\u0159skou pr\u00e1ci, jako je obsluha e-mailu, prohl\u00ed\u017een\u00ed webov\u00fdch str\u00e1nek nebo pr\u00e1ce s cloudem. Pro n\u00e1ro\u010dn\u011bj\u0161\u00ed \u2013 nap\u0159. firmy edituj\u00edc\u00ed video, vytv\u00e1\u0159ej\u00edc\u00ed 3D grafiku nebo obsluhuj\u00edc\u00ed mnoho kamer \u2013 stoj\u00ed za to zv\u00e1\u017eit porty 10G, kter\u00e9 zaji\u0161\u0165uj\u00ed mnohem vy\u0161\u0161\u00ed rychlost p\u0159enosu dat. Na druh\u00e9 stran\u011b porty SFP nebo SFP+ jsou ur\u010deny pro optick\u00e9 p\u0159enosy a pou\u017e\u00edvaj\u00ed se p\u0159edev\u0161\u00edm v situac\u00edch, kdy je t\u0159eba propojit vzd\u00e1len\u00e9 budovy nebo vytvo\u0159it p\u00e1te\u0159n\u00ed s\u00ed\u0165.<\/p>\n

Switch s 8 porty pro malou kancel\u00e1\u0159 \u2013 Cisco Business C1200-8T-D<\/h2>\n

Pro firmy hledaj\u00edc\u00ed spolehliv\u00fd a snadno ovladateln\u00fd switch, kter\u00fd m\u00e1 alespo\u0148 8 s\u00ed\u0165ov\u00fdch port\u016f, stoj\u00ed za zv\u00e1\u017een\u00ed model Cisco Business C1200-8T-D<\/strong><\/a>. Tento nep\u0159ehledn\u00fd s\u00ed\u0165ov\u00fd p\u0159ep\u00edna\u010d nab\u00edz\u00ed osm port\u016f Gigabit Ethernet, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed volbu jako switch s 8 porty pro malou kancel\u00e1\u0159. Jeho kompaktn\u00ed rozm\u011bry a absence ventil\u00e1toru zaji\u0161\u0165uj\u00ed, \u017ee je tich\u00fd a hod\u00ed se do ka\u017ed\u00e9ho pracovn\u00edho prost\u0159ed\u00ed. Ide\u00e1ln\u00ed pro z\u00e1kladn\u00ed propojen\u00ed po\u010d\u00edta\u010d\u016f a tisk\u00e1ren, nab\u00edz\u00ed spolehlivost renomovan\u00e9 zna\u010dky Cisco bez nutnosti konfigurace.<\/p>\n

\"P\u0159ep\u00edna\u010d <\/a><\/p>\n

Switch s 8 porty s PoE \u2013 Ubiquiti UniFi Switch Lite 8 PoE<\/h2>\n

Pro u\u017eivatele pot\u0159ebuj\u00edc\u00ed s\u00ed\u0165ov\u00fd p\u0159ep\u00edna\u010d s PoE bude vynikaj\u00edc\u00ed volbou Ubiquiti UniFi Switch Lite 8 PoE<\/strong><\/a>. Je to switch s 8 porty, z nich\u017e 4 porty nab\u00edzej\u00ed nap\u00e1jen\u00ed PoE, v\u010detn\u011b 2 port\u016f PoE+. Skv\u011ble se hod\u00ed do kancel\u00e1\u0159\u00ed se syst\u00e9my monitorov\u00e1n\u00ed nebo Wi-Fi s\u00edt\u011bmi zalo\u017een\u00fdmi na access pointech UniFi. Spr\u00e1va prob\u00edh\u00e1 prost\u0159ednictv\u00edm intuitivn\u00ed platformy UniFi Controller, d\u00edky \u010demu\u017e m\u00e1 administr\u00e1tor plnou kontrolu nad provozem v s\u00edti a m\u016f\u017ee optimalizovat jej\u00ed v\u00fdkon. Grafick\u00e9 rozhran\u00ed Ubiquiti UniFi pro centr\u00e1ln\u00ed spr\u00e1vu je velmi cen\u011bno u\u017eivateli.<\/p>\n

\"P\u0159ep\u00edna\u010d <\/a><\/p>\n

Pokro\u010dil\u00fd switch PoE+ \u2013 TP-Link TL-SG2210MP<\/h2>\n

V p\u0159\u00edpad\u011b v\u011bt\u0161\u00ed popt\u00e1vky po nap\u00e1jen\u00ed PoE<\/strong> a pokro\u010dil\u00fdch funkc\u00edch spr\u00e1vy stoj\u00ed za to v\u011bnovat pozornost modelu TP-Link TL-SG2210MP<\/strong><\/a>. Je to spravovateln\u00fd switch s 8 porty PoE+ (celkov\u00fd v\u00fdkon a\u017e 150 W) a 2 uplink porty. Umo\u017e\u0148uje konfiguraci VLAN, QoS a m\u00e1 roz\u0161\u00ed\u0159en\u00e9 bezpe\u010dnostn\u00ed funkce. Je ur\u010den pro firmy instaluj\u00edc\u00ed mnoho IP kamer, VoIP telefon\u016f nebo access point\u016f v prost\u0159ed\u00edch, kde je stabilita a kvalita slu\u017eeb kl\u00ed\u010dov\u00e1.<\/p>\n

\"P\u0159ep\u00edna\u010d <\/a><\/p>\n

Switch-router pro technicky zdatn\u00e9 \u2013 MikroTik RB760iGS<\/h2>\n

Pokud pot\u0159ebujeme pokro\u010dil\u00fd p\u0159ep\u00edna\u010d pro technicky zdatn\u00e9 u\u017eivatele nebo mal\u00e9 firmy s ambicemi roz\u0161\u00ed\u0159it infrastrukturu, dobrou volbou bude s\u00ed\u0165ov\u00fd p\u0159ep\u00edna\u010d MikroTik RB760iGS<\/strong><\/a>. Tento switch-router m\u00e1 p\u011bt port\u016f Gigabit Ethernet a jeden port SFP. Umo\u017e\u0148uje implementaci VPN, firewall\u016f, VLAN a pokro\u010dilou spr\u00e1vu \u0161\u00ed\u0159ky p\u00e1sma. Je to univerz\u00e1ln\u00ed za\u0159\u00edzen\u00ed, kter\u00e9 v rukou zku\u0161en\u00e9ho IT administr\u00e1tora se st\u00e1v\u00e1 mocn\u00fdm n\u00e1strojem pro spr\u00e1vu s\u00edt\u011b.<\/p>\n

\"Router <\/a><\/p>\n

Jednoduch\u00fd p\u0159ep\u00edna\u010d s aplikac\u00ed \u2013 Aruba Instant On 1930\/1830 (JL680A)<\/h2>\n

Pokud hled\u00e1te jednoduch\u00fd, ale modern\u00ed s\u00ed\u0165ov\u00fd p\u0159ep\u00edna\u010d s mo\u017enost\u00ed snadn\u00e9ho \u0159\u00edzen\u00ed prost\u0159ednictv\u00edm aplikace, model Aruba Instant On 1930 (JL680A)<\/strong><\/a> nebo p\u0159\u00edbuzn\u00fd Aruba Instant On 1830 m\u016f\u017ee b\u00fdt odpov\u011bd\u00ed. Nab\u00edz\u00ed osm port\u016f Gigabit Ethernet a mo\u017enost mont\u00e1\u017ee jak na st\u016fl, tak do rackov\u00e9 sk\u0159\u00edn\u011b. Skv\u011ble se hod\u00ed do dynamick\u00fdch kancel\u00e1\u0159\u00ed, kter\u00e9 cht\u011bj\u00ed udr\u017eet jednoduchost instalace, ale z\u00edskat z\u00e1kladn\u00ed kontrolu nad s\u00ed\u0165ov\u00fdm provozem.<\/p>\n

\"Switch <\/a><\/p>\n

Shrnut\u00ed \u2013 jak vybrat switch pro firmu?<\/h2>\n

Shrnuto, p\u0159i v\u00fdb\u011bru vhodn\u00e9ho switche pro firmu je d\u016fle\u017eit\u00e9 nejen \u0159\u00eddit se jeho cenou, ale p\u0159edev\u0161\u00edm p\u0159izp\u016fsobit za\u0159\u00edzen\u00ed skute\u010dn\u00fdm pot\u0159eb\u00e1m organizace. Pro mal\u00e9 kancel\u00e1\u0159e sta\u010d\u00ed jednoduch\u00fd nep\u0159ehledn\u00fd switch, zat\u00edmco pro dynamick\u00e9, rozv\u00edjej\u00edc\u00ed se firmy \u2013 zejm\u00e9na ty, kter\u00e9 vyu\u017e\u00edvaj\u00ed pokro\u010dil\u00e9 IT syst\u00e9my \u2013 budou lep\u0161\u00ed volbou pokro\u010dil\u00e9 spravovateln\u00e9 s\u00ed\u0165ov\u00e9 p\u0159ep\u00edna\u010de s podporou PoE a porty SFP. Spr\u00e1vn\u00e1 konfigurace s\u00ed\u0165ov\u00e9ho p\u0159ep\u00edna\u010de a investice do vhodn\u00e9ho za\u0159\u00edzen\u00ed se rychle vr\u00e1t\u00ed prost\u0159ednictv\u00edm vy\u0161\u0161\u00ed efektivity pr\u00e1ce, v\u011bt\u0161\u00ed bezpe\u010dnosti a mo\u017enosti dal\u0161\u00edho \u0161k\u00e1lov\u00e1n\u00ed infrastruktury.<\/p>\n

Nejd\u016fle\u017eit\u011bj\u0161\u00ed krit\u00e9ria v\u00fdb\u011bru switche pro firmu jsou:<\/h3>\n