{"id":7041,"date":"2017-09-14T09:31:13","date_gmt":"2017-09-14T09:31:13","guid":{"rendered":"https:\/\/www.apen.es\/?page_id=7041"},"modified":"2025-07-14T11:13:56","modified_gmt":"2025-07-14T11:13:56","slug":"switch","status":"publish","type":"page","link":"https:\/\/www.apen.es\/ca\/glosario-de-informatica\/switch\/","title":{"rendered":"Switch"},"content":{"rendered":"

QU\u00c8 \u00c9S UN SWITCH?<\/h2>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n

El switch<\/strong> o commutador \u00e9s el dispositiu digital l\u00f2gic dinterconnexi\u00f3 dequips que treballa a la capa denlla\u00e7 de dades del model OSI.<\/p>\n\n\n\n

El switch<\/strong> \u00e9s un dispositiu que s'utilitza per connectar equips en xarxa, formant una xarxa d'\u00e0rea local (LAN) i s'encarreguen de la interconnexi\u00f3 de dispositius cablejats, que segueixen les especificacions t\u00e8cniques de l'est\u00e0ndard Ethernet.<\/p>\n\n\n\n

Els dispositius dinterconnexi\u00f3 es componen de dos \u00e0mbits dactuaci\u00f3 en les xarxes telem\u00e0tiques;<\/p>\n\n\n\n

Routers; encarregats de la interconnexi\u00f3 de les xarxes<\/p>\n\n\n\n

Switches<\/strong>; s'encarreguen de la interconnexi\u00f3 d'equips dins una mateixa xarxa. Constitueixen les xarxes d\u00e0rea local o LAN.<\/p>\n\n\n\n

El switch<\/strong> segurament \u00e9s un dels dispositius amb un nivell d'escalabilitat m\u00e9s alt. Hi ha switches<\/strong> de quatre ports amb funcions b\u00e0siques, per cobrir petites necessitats d'interconnexi\u00f3 i tamb\u00e9 hi podem trobar switches<\/strong> amb centenars de ports amb prestacions i caracter\u00edstiques molt avan\u00e7ades.<\/p>\n\n\n\n

Tipus de switches<\/strong><\/p>\n\n\n\n

Podem trobar diferents tipus de switches<\/strong>:<\/p>\n\n\n\n

    \n
  • Switches Desktop<\/li>\n<\/ul>\n\n\n\n

    \u00c9s el switch<\/strong> m\u00e9s b\u00e0sic i es fa servir, habitualment, en l'\u00e0mbit dom\u00e8stic o en petites empreses, per a la interconnexi\u00f3 d'uns quants equips.<\/p>\n\n\n\n

      \n
    • Switches Perimetrals no gestionables<\/li>\n<\/ul>\n\n\n\n

      S\u00f3n switches<\/strong> que s'utilitzen per constituir xarxes de mida petita de prestacions mitjanes. Semblats als switches<\/strong> desktop per\u00f2 amb m\u00e9s n\u00famero de ports i amb m\u00e9s possibilitats de muntatge.<\/p>\n\n\n\n

        \n
      • Switchs perimetrals gestionables<\/li>\n<\/ul>\n\n\n\n

        Aquest tipus s'utilitza per a la connexi\u00f3 dels equips dels usuaris en xarxes de mida mitjana i gran, i es localitzen al nivell jer\u00e0rquic inferior. Cal que aquests switches<\/strong> ofereixin caracter\u00edstiques avan\u00e7ades de configuraci\u00f3 i gesti\u00f3.<\/p>\n\n\n\n

          \n
        • Switches troncals de prestacions mitjanes<\/li>\n<\/ul>\n\n\n\n

          Aquests switches estan dissenyats per formar el nucli troncal d'una xarxa de mida mitjana, proporcionant altes prestacions i funcionalitats avan\u00e7ades.<\/p>\n\n\n\n

            \n
          • Switchs troncals d'altes prestacions<\/li>\n<\/ul>\n\n\n\n

            A m\u00e9s del seu alt rendiment, es caracteritzen per la gran modularitat. Es fan servir en grans xarxes corporatives o de campus, entre altres q\u00fcestions.<\/p>\n\n\n\n

            Els switches<\/strong> s\u00f3n dispositius centrals a moltes xarxes, especialment a les locals. La gran flexibilitat d'Ethernet, com a tecnologia subjacent als switches<\/strong>, ha perm\u00e8s una enorme flexibilitat a l'hora d'establir les configuracions i topologies de les xarxes basades a Ethernet (pr\u00e0cticament el 100 % de les xarxes LAN cablejades del m\u00f3n), que van des de petites xarxes dom\u00e8stiques d'uns quants equips fins a grans xarxes corporatives. Gr\u00e0cies a un ventall tan ampli de models de switches<\/strong>, es poden cobrir les necessitats de tots els possibles tipus de xarxes que puguin existir.<\/p>\n\n\n\n

            El switch <\/strong>t\u00e9 la capacitat d'aprendre i emmagatzemar, per si sola, adreces de xarxa de dispositius assolibles mitjan\u00e7ant els ports. A difer\u00e8ncia d'un hub o concentrador, el switch<\/strong> permet que la informaci\u00f3 adre\u00e7ada a un dispositiu vagi d'un port origen cap a un port de destinaci\u00f3.<\/p>\n\n\n\n

            El switch<\/strong> \u00e9s un dispositiu de prop\u00f2sit especialment dissenyat per resoldre problemes de rendiment a la xarxa, a causa d'amples de banda petits i embotellaments. \u00c9s capa\u00e7 d'afegir un ample de banda m\u00e9s gran, fer que la sortida de paquets sigui m\u00e9s r\u00e0pida, reduir el temps d'espera i baixar el cost per port.<\/p>","protected":false},"excerpt":{"rendered":"

            QU\u00c8 \u00c9S UN SWITCH? El switch o commutador \u00e9s el dispositiu digital l\u00f2gic d'interconnexi\u00f3 d'equips que treballa a la capa d'enlla\u00e7 de dades del model OSI. El switch \u00e9s un dispositiu que s'utilitza per connectar equips en xarxa, formant una xarxa d'\u00e0rea local (LAN) i s'encarreguen de la interconnexi\u00f3\u2026<\/p>","protected":false},"author":4,"featured_media":0,"parent":6185,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-landing-glosario.php","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-7041","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nSwitch - Apen Inform\u00e1tica<\/title>\n<meta name=\"description\" content=\"El switch o conmutador es el dispositivo digital l\u00f3gico de interconexi\u00f3n de equipos que trabaja en la capa de enlace de datos del modelo OSI.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.apen.es\/ca\/glossari-dinformatica\/switch\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Switch - 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