{"id":480,"date":"2026-06-17T10:25:21","date_gmt":"2026-06-17T08:25:21","guid":{"rendered":"https:\/\/www.it-resell.com\/blog\/glossar\/subnetting\/"},"modified":"2026-06-17T10:25:21","modified_gmt":"2026-06-17T08:25:21","slug":"subnetting","status":"publish","type":"glossar","link":"https:\/\/www.it-resell.com\/blog\/glossar\/subnetting","title":{"rendered":"Subnetting \/ CIDR"},"content":{"rendered":"<p><strong>Subnetting<\/strong> teilt einen IP-Adressblock in kleinere, logisch isolierte Netzwerksegmente auf, um Broadcast-Dom\u00e4nen zu begrenzen und IP-Adressen effizient zu nutzen. <strong>CIDR (Classless Inter-Domain Routing)<\/strong> ersetzt die alten Netzwerkklassen (A\/B\/C) durch flexible Pr\u00e4fixl\u00e4ngen wie \/24 (256 Adressen) oder \/30 (4 Adressen). Subnetting ist Grundkompetenz f\u00fcr jeden Netzwerkingenieur und Voraussetzung f\u00fcr VLAN- und Routing-Design.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aufteilung eines IP-Adressraums in kleinere Netzwerksegmente.<\/p>\n","protected":false},"template":"","meta":{"kurzdefinition":"Aufteilung eines IP-Adressraums in kleinere Netzwerksegmente.","synonyme":"","verwandte_begriffe":"","shop_ziel":"","stufe":""},"produktbereich":[],"hersteller":[],"produkttyp":[],"thema":[],"class_list":["post-480","glossar","type-glossar","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/glossar\/480","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=480"}],"wp:term":[{"taxonomy":"produktbereich","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/produktbereich?post=480"},{"taxonomy":"hersteller","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/hersteller?post=480"},{"taxonomy":"produkttyp","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/produkttyp?post=480"},{"taxonomy":"thema","embeddable":true,"href":"https:\/\/www.it-resell.com\/blog\/wp-json\/wp\/v2\/thema?post=480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}