{"id":9474,"date":"2026-03-10T10:23:30","date_gmt":"2026-03-10T10:23:30","guid":{"rendered":"https:\/\/aborrego.inscastellbisbal.net\/?p=9474"},"modified":"2026-03-27T08:26:53","modified_gmt":"2026-03-27T08:26:53","slug":"configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp","status":"publish","type":"post","link":"https:\/\/aborrego.inscastellbisbal.net\/en\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/","title":{"rendered":"Configuraci\u00f3 de xarxa din\u00e0mica per clients des del DHCP"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9474\" class=\"elementor elementor-9474\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f9d52c1 elementor-section-height-min-height elementor-section-items-top elementor-section-boxed elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no elementor-invisible\" data-id=\"f9d52c1\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeIn&quot;,&quot;shape_divider_top&quot;:&quot;mountains&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-shape elementor-shape-top\" aria-hidden=\"true\" data-negative=\"false\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\">\n\t<path class=\"elementor-shape-fill\" opacity=\"0.33\" d=\"M473,67.3c-203.9,88.3-263.1-34-320.3,0C66,119.1,0,59.7,0,59.7V0h1000v59.7 c0,0-62.1,26.1-94.9,29.3c-32.8,3.3-62.8-12.3-75.8-22.1C806,49.6,745.3,8.7,694.9,4.7S492.4,59,473,67.3z\"\/>\n\t<path class=\"elementor-shape-fill\" opacity=\"0.66\" d=\"M734,67.3c-45.5,0-77.2-23.2-129.1-39.1c-28.6-8.7-150.3-10.1-254,39.1 s-91.7-34.4-149.2,0C115.7,118.3,0,39.8,0,39.8V0h1000v36.5c0,0-28.2-18.5-92.1-18.5C810.2,18.1,775.7,67.3,734,67.3z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M766.1,28.9c-200-57.5-266,65.5-395.1,19.5C242,1.8,242,5.4,184.8,20.6C128,35.8,132.3,44.9,89.9,52.5C28.6,63.7,0,0,0,0 h1000c0,0-9.9,40.9-83.6,48.1S829.6,47,766.1,28.9z\"\/>\n<\/svg>\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-44908bb\" data-id=\"44908bb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-15d082c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"15d082c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Configuraci\u00f3 de xarxa din\u00e0mica per a clients des del DHCP<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b17c7c5 elementor-widget elementor-widget-spacer\" data-id=\"b17c7c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbe5464 elementor-widget elementor-widget-spacer\" data-id=\"bbe5464\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3735422\" data-id=\"3735422\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e61c612 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"e61c612\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"https:\/\/aborrego.inscastellbisbal.net\/repte-2-3\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Tornar al repte 2.3<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-aec7a9a e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"aec7a9a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a47bd16 elementor-widget elementor-widget-spacer\" data-id=\"a47bd16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e6eb70 elementor-widget elementor-widget-text-editor\" data-id=\"1e6eb70\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&#8217;empresa LadyUp disposa d&#8217;una xarxa corporativa dividida en 4 segments gestionats cadascun per un<br \/>router diferent. Tots comparteixen la mateixa xarxa base 192.168.0.0\/24 per\u00f2 segmentada amb m\u00e0scares<br \/>diferents per separar les zones:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b23406 elementor-widget elementor-widget-image\" data-id=\"0b23406\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"579\" height=\"140\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095.png\" class=\"attachment-large size-large wp-image-9660\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095.png 579w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095-300x73.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095-18x4.png 18w\" sizes=\"(max-width: 579px) 100vw, 579px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-542f79e e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"542f79e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6069d31 elementor-widget elementor-widget-spacer\" data-id=\"6069d31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a3b432 elementor-widget elementor-widget-text-editor\" data-id=\"1a3b432\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">Procediment d&#8217;instal\u00b7laci\u00f3 i configuraci\u00f3<\/h2><h4><strong>Pas 1 \u2014 Verificar les interf\u00edcies de xarxa: primer comprovem que la VM t\u00e9 les interf\u00edcies correctes:<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcd1b80 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"bcd1b80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>ip addr<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5bb3a2 elementor-widget elementor-widget-text-editor\" data-id=\"a5bb3a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Identifiquem: enp0s3 = NAT Vagrant, enp0s8 = xarxa p\u00fablica, enp0s9 = xarxa interna (on ha d&#8217;escoltar el DHCP).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42074d4 elementor-widget elementor-widget-text-editor\" data-id=\"42074d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><strong>Pas 2 \u2014 Arreglar la ruta per defecte i DNS: p<\/strong><strong>er defecte Vagrant configura la ruta per la interf\u00edcie NAT (enp0s3). Cal canviar-la per la interf\u00edcie p\u00fablica<\/strong><br \/><strong>per tenir acc\u00e9s a internet i poder instal\u00b7lar paquets:<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86f18c4 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"86f18c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>sudo ip route del default\nsudo ip route add default via 172.25.130.254 dev enp0s8 \necho &quot;nameserver 1.1.1.1&quot; | sudo tee \/etc\/resolv.conf<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-abe6ba0 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"abe6ba0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9bef1bf e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"9bef1bf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c3aef1f elementor-widget elementor-widget-image\" data-id=\"c3aef1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"652\" height=\"244\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_011.png\" class=\"attachment-large size-large wp-image-9484\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_011.png 652w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_011-300x112.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_011-18x7.png 18w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-19f9a23 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"19f9a23\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d385248 elementor-widget elementor-widget-image\" data-id=\"d385248\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"663\" height=\"255\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_015.png\" class=\"attachment-large size-large wp-image-9485\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_015.png 663w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_015-300x115.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_015-18x7.png 18w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-312755e e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"312755e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-02b3f74 elementor-widget elementor-widget-image\" data-id=\"02b3f74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"666\" height=\"260\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_021.png\" class=\"attachment-large size-large wp-image-9486\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_021.png 666w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_021-300x117.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_021-18x7.png 18w\" sizes=\"(max-width: 666px) 100vw, 666px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7713296 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"7713296\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9a14d78 elementor-widget elementor-widget-image\" data-id=\"9a14d78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"607\" height=\"190\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_022.png\" class=\"attachment-large size-large wp-image-9487\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_022.png 607w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_022-300x94.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_022-18x6.png 18w\" sizes=\"(max-width: 607px) 100vw, 607px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4298796 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"4298796\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cfefb9 elementor-widget elementor-widget-text-editor\" data-id=\"4cfefb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><strong>Pas 3 \u2014 Instal\u00b7lar el servidor DHCP: Instal\u00b7lem el paquet isc-dhcp-server de Debian:<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a666976 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"a666976\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>sudo apt-get update &amp;&amp; sudo apt-get install -y isc-dhcp-server<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a425bff elementor-widget elementor-widget-text-editor\" data-id=\"a425bff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><strong>Pas 4 \u2014 Configurar la interf\u00edcie d&#8217;escolta: Cal indicar al servei per quina interf\u00edcie ha d&#8217;escoltar les peticions DHCP. En el nostre cas \u00e9s enp0s9 (la<\/strong><br \/><strong>xarxa interna privada):<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f5d33a0 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"f5d33a0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41b991b elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"41b991b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>sudo sed -i &#039;s\/INTERFACESv4=&quot;&quot;\/INTERFACESv4=&quot;enp0s9&quot;\/&#039; \/etc\/default\/isc-dhcp-server<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0ef920 elementor-widget elementor-widget-text-editor\" data-id=\"f0ef920\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><strong>Pas 5 \u2014 Editar el fitxer dhcpd.conf: El fitxer principal de configuraci\u00f3 \u00e9s \/etc\/dhcp\/dhcpd.conf. Cal definir un bloc per cada interf\u00edcie de xarxa<\/strong><br \/><strong>que t\u00e9 el router, indicant si reparteix IPs (amb range) o no (bloc buit):<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7c0370 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"e7c0370\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>sudo nano \/etc\/dhcp\/dhcpd.conf<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ac59199 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"ac59199\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e7a9c34 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"e7a9c34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-255fe4d elementor-widget elementor-widget-text-editor\" data-id=\"255fe4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>router_3 \u2014 gateway-aborrego (el meu) \u2014 LAB<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e6ad21 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"1e6ad21\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159;\nddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.66\n192.168.0.125; option routers 192.168.0.65; option broadcast-address 192.168.0.127;\ndefault-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { }\nsubnet 172.25.0.0 netmask 255.255.0.0 { }<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e86c67b elementor-widget elementor-widget-image\" data-id=\"e86c67b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"462\" height=\"382\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_096.png\" class=\"attachment-large size-large wp-image-9661\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_096.png 462w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_096-300x248.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_096-15x12.png 15w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a560012 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"a560012\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9dc5653 elementor-widget elementor-widget-text-editor\" data-id=\"9dc5653\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>router_9 \u2014 gateway-cristian \u2014 CLIENTS<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06265e2 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"06265e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159;\nddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.2\n192.168.0.64; option routers 192.168.0.1; option broadcast-address 192.168.0.127;\ndefault-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { }\nsubnet 172.25.0.0 netmask 255.255.0.0 { }<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c439f6 elementor-widget elementor-widget-image\" data-id=\"1c439f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"412\" height=\"346\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_024.png\" class=\"attachment-large size-large wp-image-9489\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_024.png 412w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_024-300x252.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_024-14x12.png 14w\" sizes=\"(max-width: 412px) 100vw, 412px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e5dfe16 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"e5dfe16\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41773a2 elementor-widget elementor-widget-text-editor\" data-id=\"41773a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>router_2 \u2014 gateway-hector \u2014 SERVIDORS<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b421303 elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"b421303\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159;\nddns-update-style none; subnet 192.168.0.128 netmask 255.255.255.224 { range 192.168.0.130\n192.168.0.158; option routers 192.168.0.129; option broadcast-address 192.168.0.159;\ndefault-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { }\nsubnet 172.25.0.0 netmask 255.255.0.0 { }<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3db2f43 elementor-widget elementor-widget-image\" data-id=\"3db2f43\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"391\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_097-1.png\" class=\"attachment-large size-large wp-image-9663\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_097-1.png 512w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_097-1-300x229.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_097-1-16x12.png 16w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1dd0630 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"1dd0630\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0727dd4 elementor-widget elementor-widget-text-editor\" data-id=\"0727dd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>router_0 \u2014 gateway-andres \u2014 DMZ<\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a8b44a elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"5a8b44a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159;\nddns-update-style none; subnet 192.168.0.160 netmask 255.255.255.240 { range 192.168.0.162\n192.168.0.174; option routers 192.168.0.161; option broadcast-address 192.168.0.175;\ndefault-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { }\nsubnet 172.25.0.0 netmask 255.255.0.0 { }<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5cfbb66 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"5cfbb66\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fba2760 elementor-widget elementor-widget-text-editor\" data-id=\"fba2760\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><strong>Pas 6 \u2014 Arrencar i habilitar el servei: Reiniciem el servei per aplicar la configuraci\u00f3 i l&#8217;habilitem perqu\u00e8 s&#8217;inici\u00ef autom\u00e0ticament en cada<br \/>arrencada de la VM:<\/strong><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98de81b elementor-widget elementor-widget-code-block-for-elementor\" data-id=\"98de81b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-block-for-elementor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<pre class='line-numbers theme-okaidia' data-show-toolbar='yes'><code class='language-javascript'>sudo systemctl restart isc-dhcp-server \nsudo systemctl enable isc-dhcp-server \nsystemctl status isc-dhcp-server<\/code><\/pre>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d09ae4b e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-parent\" data-id=\"d09ae4b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5592c24 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"5592c24\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eece014 elementor-widget elementor-widget-image\" data-id=\"eece014\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"798\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_014.png\" class=\"attachment-large size-large wp-image-9498\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_014.png 686w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_014-258x300.png 258w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_014-10x12.png 10w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bd9f878 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"bd9f878\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-73a1d69 elementor-widget elementor-widget-image\" data-id=\"73a1d69\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"685\" height=\"804\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_017.png\" class=\"attachment-large size-large wp-image-9499\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_017.png 685w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_017-256x300.png 256w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_017-10x12.png 10w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7937f81 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no e-con e-child\" data-id=\"7937f81\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b71f516 elementor-widget elementor-widget-image\" data-id=\"b71f516\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"265\" src=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_019.png\" class=\"attachment-large size-large wp-image-9500\" alt=\"\" srcset=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_019.png 696w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_019-300x114.png 300w, https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_019-18x7.png 18w\" sizes=\"(max-width: 696px) 100vw, 696px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a464503 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no 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Tots comparteixen la mateixa xarxa base 192.168.0.0\/24 per\u00f2 segmentada amb m\u00e0scaresdiferents per separar les zones: Procediment d&#8217;instal\u00b7laci\u00f3 i configuraci\u00f3 Pas 1 \u2014 Verificar les interf\u00edcies de xarxa: primer comprovem que la VM t\u00e9 les interf\u00edcies correctes: ip addr Identifiquem: enp0s3 = NAT Vagrant, enp0s8 = xarxa p\u00fablica, enp0s9 = xarxa interna (on ha d&#8217;escoltar el DHCP). Pas 2 \u2014 Arreglar la ruta per defecte i DNS: per defecte Vagrant configura la ruta per la interf\u00edcie NAT (enp0s3). Cal canviar-la per la interf\u00edcie p\u00fablicaper tenir acc\u00e9s a internet i poder instal\u00b7lar paquets: sudo ip route del default sudo ip route add default via 172.25.130.254 dev enp0s8 echo &quot;nameserver 1.1.1.1&quot; | sudo tee \/etc\/resolv.conf Pas 3 \u2014 Instal\u00b7lar el servidor DHCP: Instal\u00b7lem el paquet isc-dhcp-server de Debian: sudo apt-get update &amp;&amp; sudo apt-get install -y isc-dhcp-server Pas 4 \u2014 Configurar la interf\u00edcie d&#8217;escolta: Cal indicar al servei per quina interf\u00edcie ha d&#8217;escoltar les peticions DHCP. En el nostre cas \u00e9s enp0s9 (laxarxa interna privada): sudo sed -i &#039;s\/INTERFACESv4=&quot;&quot;\/INTERFACESv4=&quot;enp0s9&quot;\/&#039; \/etc\/default\/isc-dhcp-server Pas 5 \u2014 Editar el fitxer dhcpd.conf: El fitxer principal de configuraci\u00f3 \u00e9s \/etc\/dhcp\/dhcpd.conf. Cal definir un bloc per cada interf\u00edcie de xarxaque t\u00e9 el router, indicant si reparteix IPs (amb range) o no (bloc buit): sudo nano \/etc\/dhcp\/dhcpd.conf router_3 \u2014 gateway-aborrego (el meu) \u2014 LAB option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.66 192.168.0.125; option routers 192.168.0.65; option broadcast-address 192.168.0.127; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_9 \u2014 gateway-cristian \u2014 CLIENTS option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.2 192.168.0.64; option routers 192.168.0.1; option broadcast-address 192.168.0.127; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_2 \u2014 gateway-hector \u2014 SERVIDORS option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.128 netmask 255.255.255.224 { range 192.168.0.130 192.168.0.158; option routers 192.168.0.129; option broadcast-address 192.168.0.159; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_0 \u2014 gateway-andres \u2014 DMZ option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.160 netmask 255.255.255.240 { range 192.168.0.162 192.168.0.174; option routers 192.168.0.161; option broadcast-address 192.168.0.175; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } Pas 6 \u2014 Arrencar i habilitar el servei: Reiniciem el servei per aplicar la configuraci\u00f3 i l&#8217;habilitem perqu\u00e8 s&#8217;inici\u00ef autom\u00e0ticament en cadaarrencada de la VM: sudo systemctl restart isc-dhcp-server sudo systemctl enable isc-dhcp-server systemctl status isc-dhcp-server<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9474","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Configuraci\u00f3 de xarxa din\u00e0mica per clients des del DHCP - Ana Borrego Toledo<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Configuraci\u00f3 de xarxa din\u00e0mica per clients des del DHCP - Ana Borrego Toledo\" \/>\n<meta property=\"og:description\" content=\"Configuraci\u00f3 de xarxa din\u00e0mica per a clients des del DHCP Tornar al repte 2.3 L&#8217;empresa LadyUp disposa d&#8217;una xarxa corporativa dividida en 4 segments gestionats cadascun per unrouter diferent. Tots comparteixen la mateixa xarxa base 192.168.0.0\/24 per\u00f2 segmentada amb m\u00e0scaresdiferents per separar les zones: Procediment d&#8217;instal\u00b7laci\u00f3 i configuraci\u00f3 Pas 1 \u2014 Verificar les interf\u00edcies de xarxa: primer comprovem que la VM t\u00e9 les interf\u00edcies correctes: ip addr Identifiquem: enp0s3 = NAT Vagrant, enp0s8 = xarxa p\u00fablica, enp0s9 = xarxa interna (on ha d&#8217;escoltar el DHCP). Pas 2 \u2014 Arreglar la ruta per defecte i DNS: per defecte Vagrant configura la ruta per la interf\u00edcie NAT (enp0s3). Cal canviar-la per la interf\u00edcie p\u00fablicaper tenir acc\u00e9s a internet i poder instal\u00b7lar paquets: sudo ip route del default sudo ip route add default via 172.25.130.254 dev enp0s8 echo &quot;nameserver 1.1.1.1&quot; | sudo tee \/etc\/resolv.conf Pas 3 \u2014 Instal\u00b7lar el servidor DHCP: Instal\u00b7lem el paquet isc-dhcp-server de Debian: sudo apt-get update &amp;&amp; sudo apt-get install -y isc-dhcp-server Pas 4 \u2014 Configurar la interf\u00edcie d&#8217;escolta: Cal indicar al servei per quina interf\u00edcie ha d&#8217;escoltar les peticions DHCP. En el nostre cas \u00e9s enp0s9 (laxarxa interna privada): sudo sed -i &#039;s\/INTERFACESv4=&quot;&quot;\/INTERFACESv4=&quot;enp0s9&quot;\/&#039; \/etc\/default\/isc-dhcp-server Pas 5 \u2014 Editar el fitxer dhcpd.conf: El fitxer principal de configuraci\u00f3 \u00e9s \/etc\/dhcp\/dhcpd.conf. Cal definir un bloc per cada interf\u00edcie de xarxaque t\u00e9 el router, indicant si reparteix IPs (amb range) o no (bloc buit): sudo nano \/etc\/dhcp\/dhcpd.conf router_3 \u2014 gateway-aborrego (el meu) \u2014 LAB option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.66 192.168.0.125; option routers 192.168.0.65; option broadcast-address 192.168.0.127; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_9 \u2014 gateway-cristian \u2014 CLIENTS option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.2 192.168.0.64; option routers 192.168.0.1; option broadcast-address 192.168.0.127; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_2 \u2014 gateway-hector \u2014 SERVIDORS option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.128 netmask 255.255.255.224 { range 192.168.0.130 192.168.0.158; option routers 192.168.0.129; option broadcast-address 192.168.0.159; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_0 \u2014 gateway-andres \u2014 DMZ option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.160 netmask 255.255.255.240 { range 192.168.0.162 192.168.0.174; option routers 192.168.0.161; option broadcast-address 192.168.0.175; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } Pas 6 \u2014 Arrencar i habilitar el servei: Reiniciem el servei per aplicar la configuraci\u00f3 i l&#8217;habilitem perqu\u00e8 s&#8217;inici\u00ef autom\u00e0ticament en cadaarrencada de la VM: sudo systemctl restart isc-dhcp-server sudo systemctl enable isc-dhcp-server systemctl status isc-dhcp-server\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aborrego.inscastellbisbal.net\/en\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/\" \/>\n<meta property=\"og:site_name\" content=\"Ana Borrego Toledo\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-10T10:23:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-27T08:26:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095.png\" \/>\n\t<meta property=\"og:image:width\" content=\"579\" \/>\n\t<meta property=\"og:image:height\" content=\"140\" \/>\n\t<meta property=\"og:image:type\" 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Tots comparteixen la mateixa xarxa base 192.168.0.0\/24 per\u00f2 segmentada amb m\u00e0scaresdiferents per separar les zones: Procediment d&#8217;instal\u00b7laci\u00f3 i configuraci\u00f3 Pas 1 \u2014 Verificar les interf\u00edcies de xarxa: primer comprovem que la VM t\u00e9 les interf\u00edcies correctes: ip addr Identifiquem: enp0s3 = NAT Vagrant, enp0s8 = xarxa p\u00fablica, enp0s9 = xarxa interna (on ha d&#8217;escoltar el DHCP). Pas 2 \u2014 Arreglar la ruta per defecte i DNS: per defecte Vagrant configura la ruta per la interf\u00edcie NAT (enp0s3). Cal canviar-la per la interf\u00edcie p\u00fablicaper tenir acc\u00e9s a internet i poder instal\u00b7lar paquets: sudo ip route del default sudo ip route add default via 172.25.130.254 dev enp0s8 echo &quot;nameserver 1.1.1.1&quot; | sudo tee \/etc\/resolv.conf Pas 3 \u2014 Instal\u00b7lar el servidor DHCP: Instal\u00b7lem el paquet isc-dhcp-server de Debian: sudo apt-get update &amp;&amp; sudo apt-get install -y isc-dhcp-server Pas 4 \u2014 Configurar la interf\u00edcie d&#8217;escolta: Cal indicar al servei per quina interf\u00edcie ha d&#8217;escoltar les peticions DHCP. En el nostre cas \u00e9s enp0s9 (laxarxa interna privada): sudo sed -i &#039;s\/INTERFACESv4=&quot;&quot;\/INTERFACESv4=&quot;enp0s9&quot;\/&#039; \/etc\/default\/isc-dhcp-server Pas 5 \u2014 Editar el fitxer dhcpd.conf: El fitxer principal de configuraci\u00f3 \u00e9s \/etc\/dhcp\/dhcpd.conf. Cal definir un bloc per cada interf\u00edcie de xarxaque t\u00e9 el router, indicant si reparteix IPs (amb range) o no (bloc buit): sudo nano \/etc\/dhcp\/dhcpd.conf router_3 \u2014 gateway-aborrego (el meu) \u2014 LAB option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.66 192.168.0.125; option routers 192.168.0.65; option broadcast-address 192.168.0.127; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_9 \u2014 gateway-cristian \u2014 CLIENTS option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.0 netmask 255.255.255.128 { range 192.168.0.2 192.168.0.64; option routers 192.168.0.1; option broadcast-address 192.168.0.127; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_2 \u2014 gateway-hector \u2014 SERVIDORS option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.128 netmask 255.255.255.224 { range 192.168.0.130 192.168.0.158; option routers 192.168.0.129; option broadcast-address 192.168.0.159; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } router_0 \u2014 gateway-andres \u2014 DMZ option domain-name &quot;equipo2.es&quot;; option domain-name-servers 192.168.0.158, 192.168.0.159; ddns-update-style none; subnet 192.168.0.160 netmask 255.255.255.240 { range 192.168.0.162 192.168.0.174; option routers 192.168.0.161; option broadcast-address 192.168.0.175; default-lease-time 3600; max-lease-time 28800; } subnet 10.0.2.0 netmask 255.255.255.0 { } subnet 172.25.0.0 netmask 255.255.0.0 { } Pas 6 \u2014 Arrencar i habilitar el servei: Reiniciem el servei per aplicar la configuraci\u00f3 i l&#8217;habilitem perqu\u00e8 s&#8217;inici\u00ef autom\u00e0ticament en cadaarrencada de la VM: sudo systemctl restart isc-dhcp-server sudo systemctl enable isc-dhcp-server systemctl status isc-dhcp-server","og_url":"https:\/\/aborrego.inscastellbisbal.net\/en\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/","og_site_name":"Ana Borrego Toledo","article_published_time":"2026-03-10T10:23:30+00:00","article_modified_time":"2026-03-27T08:26:53+00:00","og_image":[{"width":579,"height":140,"url":"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095.png","type":"image\/png"}],"author":"aborrego","twitter_card":"summary_large_image","twitter_misc":{"Written by":"aborrego","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/aborrego.inscastellbisbal.net\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/#article","isPartOf":{"@id":"https:\/\/aborrego.inscastellbisbal.net\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/"},"author":{"name":"aborrego","@id":"https:\/\/aborrego.inscastellbisbal.net\/#\/schema\/person\/596b5d3dc4735c43cfaafed47741b9d1"},"headline":"Configuraci\u00f3 de xarxa din\u00e0mica per clients des del DHCP","datePublished":"2026-03-10T10:23:30+00:00","dateModified":"2026-03-27T08:26:53+00:00","mainEntityOfPage":{"@id":"https:\/\/aborrego.inscastellbisbal.net\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/"},"wordCount":264,"publisher":{"@id":"https:\/\/aborrego.inscastellbisbal.net\/#organization"},"image":{"@id":"https:\/\/aborrego.inscastellbisbal.net\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/#primaryimage"},"thumbnailUrl":"https:\/\/aborrego.inscastellbisbal.net\/wp-content\/uploads\/2026\/03\/Selection_095.png","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/aborrego.inscastellbisbal.net\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/","url":"https:\/\/aborrego.inscastellbisbal.net\/2026\/03\/10\/configuracio-de-xarxa-dinamica-per-clients-des-del-dhcp\/","name":"Configuraci\u00f3 de xarxa din\u00e0mica per clients des del DHCP - 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