{"id":484,"date":"2026-06-17T10:25:21","date_gmt":"2026-06-17T08:25:21","guid":{"rendered":"https:\/\/www.it-resell.com\/blog\/glossar\/spanning-tree-bpdu\/"},"modified":"2026-06-17T10:25:21","modified_gmt":"2026-06-17T08:25:21","slug":"spanning-tree-bpdu","status":"publish","type":"glossar","link":"https:\/\/www.it-resell.com\/blog\/glossar\/spanning-tree-bpdu","title":{"rendered":"BPDU Guard \/ Root Guard"},"content":{"rendered":"<p><strong>BPDU Guard<\/strong> deaktiviert einen Switch-Port sofort (err-disable), wenn ein BPDU-Paket eingeht \u2014 sch\u00fctzt PortFast-Ports vor unbeabsichtigten Switch-Verbindungen. <strong>Root Guard<\/strong> verhindert, dass ein Port die Root-Bridge-Rolle \u00fcbernimmt, und sch\u00fctzt so die Spanning-Tree-Topologie vor neuen Switches mit niedrigerer Bridge-ID. Beide Mechanismen sind Best Practice f\u00fcr alle Access-Ports in Enterprise-Netzwerken.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>STP-Sicherheitsmechanismen gegen unerw\u00fcnschte Topologie\u00e4nderungen.<\/p>\n","protected":false},"template":"","meta":{"kurzdefinition":"STP-Sicherheitsmechanismen gegen unerw\u00fcnschte Topologie\u00e4nderungen.","synonyme":"","verwandte_begriffe":"","shop_ziel":"","stufe":""},"produktbereich":[],"hersteller":[],"produkttyp":[],"thema":[],"class_list":["post-484","glossar","type-glossar","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/glossar\/484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/glossar"}],"about":[{"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/types\/glossar"}],"wp:attachment":[{"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/media?parent=484"}],"wp:term":[{"taxonomy":"produktbereich","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/produktbereich?post=484"},{"taxonomy":"hersteller","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/hersteller?post=484"},{"taxonomy":"produkttyp","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/produkttyp?post=484"},{"taxonomy":"thema","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/thema?post=484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}