{"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":"

            \u00bfQUE \u00c9S UN SWITCH? 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. El switch es un dispositivo que se utiliza para conectar equipos en red, formando una red de \u00e1rea local (LAN) y se encargan de la interconexi\u00f3n…<\/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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