{"id":120,"date":"2026-08-25T01:34:48","date_gmt":"2026-08-25T01:34:48","guid":{"rendered":"https:\/\/pingsemresposta.com.br\/?p=120"},"modified":"2026-08-25T03:04:30","modified_gmt":"2026-08-25T03:04:30","slug":"vxlan-underlay-ospf","status":"publish","type":"post","link":"https:\/\/pingsemresposta.com.br\/?p=120","title":{"rendered":"VXLAN &#8211; Underlay &#8211; OSPF"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Nesse post vamos analisar como funciona a implementa\u00e7\u00e3o do Underlay da malha VXLAN utilizando o protocolo OSPF. A ind\u00fastria recomenda o uso do OSPF, ent\u00e3o antes de iniciar o post, vamos falar rapidinho um pouco sobre esse protocolo.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Por que usar OSPF no Underlay<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">A ind\u00fastria recomenda o uso do OSPF por alguns motivos, entre eles o seguinte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Permite uso de ECMP(Equal Cost Multi-Path).<\/li>\n\n\n\n<li>Converg\u00eancia R\u00e1pida<\/li>\n\n\n\n<li>Interoperabilidade comprovada entre diferentes plataformas, permitindo o uso de diferentes vendors na mesma malha.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">OSPF no Underlay da Malha VXLAN<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ao fazer o uso do OSPF na camada Underlay, \u00e9 ideal levar algumas considera\u00e7\u00f5es de design para otimizar seu desempenho, garantindo que o tempo de converg\u00eancia seja reduzido:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Somente Area 0\n<ul class=\"wp-block-list\">\n<li>O ideal \u00e9 utilizarmos o OSPF somente em \u00e1rea zero, simplificando a topologia e a LSDB, j\u00e1 que com uma \u00e1rea s\u00f3, trabalhamos somente com LSA-1 e LSA-2 na DB.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>OSPF Network Type Point-to-Point\n<ul class=\"wp-block-list\">\n<li>Com isso, removemos os cargos de DR e BDR, logo, n\u00e3o se faz mais o processo de elei\u00e7\u00e3o ao formar uma adjac\u00eancia e tamb\u00e9m eliminamos o uso de LSA-2, simplificando a LSDB.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BFD habilitado nos links entre Leaf e Spine\n<ul class=\"wp-block-list\">\n<li>\u00c9 mais indicado fazer o uso de BFD do que alterar os timers de OSPF para um tempo mais agressivo, j\u00e1 que o BFD usa menos recursos e tamb\u00e9m consegue garantir a detec\u00e7\u00e3o de falhas em milissegundos.<\/li>\n\n\n\n<li>Se usado juntamente com IP Unnumbered, \u00e9 necess\u00e1rio que seja utilizado sem o modo BFD Echo habilitado.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IP Unnumbered nos links\n<ul class=\"wp-block-list\">\n<li>Obrigatoriamente precisamos configurar o OSPF link como point-to-point para usar essa fun\u00e7\u00e3o.<\/li>\n\n\n\n<li>LSDB ainda menor, j\u00e1 que n\u00e3o usar\u00edamos nenhuma rede de tr\u00e2nsito para fechar as adjac\u00eancias entre leafs e spines.<\/li>\n\n\n\n<li>Configura\u00e7\u00e3o simplificada, j\u00e1 que n\u00e3o \u00e9 necess\u00e1ria a configura\u00e7\u00e3o e aloca\u00e7\u00e3o de prefixos para as adjac\u00eancias.<\/li>\n\n\n\n<li>\u00c9 mais f\u00e1cil de automatizar o processo de deploy de uma malha ou escalar alguma malha j\u00e1 existente, j\u00e1 que a defini\u00e7\u00e3o de rede das comunica\u00e7\u00f5es entre Leaf e Spine n\u00e3o necessita de aloca\u00e7\u00e3o de rede.<\/li>\n\n\n\n<li>Entendo que n\u00e3o existe uma recomenda\u00e7\u00e3o formal sobre usar IP Unnumbered ou n\u00e3o, realmente, vai de avaliar se \u00e9 o melhor caso para o seu ambiente.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lembrando que o Underlay da nossa malha VXLAN tem o prop\u00f3sito de garantir conectividade entre os VTEPs, ent\u00e3o \u00e9 uma camada de rede reduzida em prefixos se comparada com redes de produ\u00e7\u00e3o, tendo somente os prefixos dos links entre Leafs e Spines e os endere\u00e7os dos VTEPs(\/32).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Configura\u00e7\u00e3o do Underlay OSPF<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Obs: As configura\u00e7\u00f5es aqui do post s\u00e3o baseadas na sintaxe do NX-OS.<br><br>Certo, para a configura\u00e7\u00e3o do nosso Underlay vou separar em blocos para trazer mais clareza sobre o que cada bloco representa para a nossa configura\u00e7\u00e3o:<br><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<style>\n  \/* Define a cor do texto para branco *\/\n  .tabela-branca {\n    color: white; \n    background-color: #333; \/* Fundo escuro para o texto branco aparecer *\/\n    border-collapse: collapse; \/* Deixa as bordas mais limpas *\/\n    width: 100%;\n  }\n\n  \/* Adiciona bordas brancas (opcional) *\/\n  .tabela-branca th, .tabela-branca td {\n    border: 1px solid white; \n    padding: 8px;\n  }\n.opcional {color: #ffeb3b}\n<\/style>\n\n<table class=\"tabela-branca\">\n  <tbody><tr>\n    <th style=\"width: 70%\">Comando<\/th>\n    <th>Fun\u00e7\u00e3o<\/th>\n  <\/tr>\n  <tr>\n    <td>feature ospf<br>router ospf {nome do processo ospf}<br><span class=\"opcional\">router-id {router-id}<\/span><\/td>\n    <td>Habilita e configura o OSPF no equipamento<\/td>\n  <\/tr>\n  <tr>\n    <td>interface loopback{id}<br>ip address {ip}\/32<br>ip router ospf {nome do processo ospf} area 0<\/td>\n    <td>Configura a interface que ser\u00e1 utilizada pelo VTEP local e faz a associa\u00e7\u00e3o ao processo OSPF.<\/td>\n  <\/tr>\n<tr><td>interface {intf-id}<br>no switchport<br><span class=\"opcional\">ip address {ip}\/31<\/span><br><span class=\"opcional\">ip unnumbered {loopback}<br>medium p2p<\/span><br>mtu 9216<br><span class=\"opcional\">ip ospf network point-to-point<\/span><br>ip router ospf {nome do processo ospf} area 0<\/td><td>Configura a interface P2P que ser\u00e1 o tr\u00e2nsito entre os VTEPs da malha, a conex\u00e3o entre Leafs e Spines.<br><br>Obs: OSPF point-2-point para garantir uma converg\u00eancia otimizada, removendo LSA-2 e elei\u00e7\u00e3o de DR\/BDR.<br><br>A linha de comando &#8220;medium p2p&#8221; s\u00f3 \u00e9 necess\u00e1ria se configurarmos a interface como IP Unnumbered<\/td><\/tr>\n<\/tbody><\/table><data><span class=\"opcional\">Obs: Comandos em amarelo s\u00e3o opcionais<\/span><\/data>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Valida\u00e7\u00e3o do Underlay OSPF<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Assim como explicado no come\u00e7o do post, o protocolo do Underlay para tr\u00e1fego unicast tem a sua principal fun\u00e7\u00e3o, que \u00e9 garantir a comunica\u00e7\u00e3o entre os VTEPs da malha, e como vimos nas configura\u00e7\u00f5es acima, a interface que ser\u00e1 utilizada pelos VTEPs \u00e9 a loopback. O tipo de valida\u00e7\u00e3o que temos a fazer \u00e9 se os endere\u00e7os das loopbacks est\u00e3o sendo divulgados corretamente, garantindo assim a comunica\u00e7\u00e3o entre os VTEPs, j\u00e1 que o ponto de encapsulamento e decapsulamento VXLAN da malha fica nesses VTEPs.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ent\u00e3o podemos simplesmente verificar se estamos recebendo os prefixos correspondentes das Loopbacks da malha.<br><br>Obs: Lembrando que nesse cen\u00e1rio estamos com uma topologia Spine-Leaf.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"432\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-18-1024x432.png\" alt=\"\" class=\"wp-image-205\" style=\"aspect-ratio:2.370399018379622;width:650px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-18-1024x432.png 1024w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-18-300x127.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-18-768x324.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-18.png 1242w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br>Nas abas abaixo temos a configura\u00e7\u00e3o do OSPF e as rotas do Underlay sendo aprendidas atrav\u00e9s do OSPF.<br><\/p>\n\n\n\n<div data-wp-context=\"{&quot;tabsId&quot;:&quot;tabs_1&quot;,&quot;activeTabIndex&quot;:0}\" data-wp-init=\"callbacks.onTabsInit\" data-wp-interactive=\"core\/tabs\" data-wp-on--keydown=\"actions.handleTabKeyDown\" class=\"wp-block-tabs is-layout-flow wp-block-tabs-is-layout-flow\">\n<div aria-label=\"Tabbed content\" role=\"tablist\" class=\"wp-block-tab-list is-layout-flex wp-block-tab-list-is-layout-flex\"><button aria-controls=\"tabs_1-tab-0\" data-wp-bind--aria-selected=\"state.isActiveTab\" data-wp-bind--tabindex=\"state.tabIndexAttribute\" data-wp-context=\"{&quot;tabIndex&quot;:0}\" data-wp-on--click=\"actions.handleTabClick\" data-wp-on--keydown=\"actions.handleTabKeyDown\" id=\"tab__tabs_1-tab-0\" type=\"button\" role=\"tab\">Leaf-1<\/button><button aria-controls=\"tabs_1-tab-1\" data-wp-bind--aria-selected=\"state.isActiveTab\" data-wp-bind--tabindex=\"state.tabIndexAttribute\" data-wp-context=\"{&quot;tabIndex&quot;:1}\" data-wp-on--click=\"actions.handleTabClick\" data-wp-on--keydown=\"actions.handleTabKeyDown\" id=\"tab__tabs_1-tab-1\" type=\"button\" role=\"tab\">Leaf-2<\/button><button aria-controls=\"tabs_1-tab-2\" data-wp-bind--aria-selected=\"state.isActiveTab\" data-wp-bind--tabindex=\"state.tabIndexAttribute\" data-wp-context=\"{&quot;tabIndex&quot;:2}\" data-wp-on--click=\"actions.handleTabClick\" data-wp-on--keydown=\"actions.handleTabKeyDown\" id=\"tab__tabs_1-tab-2\" type=\"button\" role=\"tab\">Leaf-3<\/button><button aria-controls=\"tabs_1-tab-3\" data-wp-bind--aria-selected=\"state.isActiveTab\" data-wp-bind--tabindex=\"state.tabIndexAttribute\" data-wp-context=\"{&quot;tabIndex&quot;:3}\" data-wp-on--click=\"actions.handleTabClick\" data-wp-on--keydown=\"actions.handleTabKeyDown\" id=\"tab__tabs_1-tab-3\" type=\"button\" role=\"tab\">Leaf-4<\/button><button aria-controls=\"tabs_1-tab-4\" data-wp-bind--aria-selected=\"state.isActiveTab\" data-wp-bind--tabindex=\"state.tabIndexAttribute\" data-wp-context=\"{&quot;tabIndex&quot;:4}\" data-wp-on--click=\"actions.handleTabClick\" data-wp-on--keydown=\"actions.handleTabKeyDown\" id=\"tab__tabs_1-tab-4\" type=\"button\" role=\"tab\">Spine-1<\/button><button aria-controls=\"tabs_1-tab-5\" data-wp-bind--aria-selected=\"state.isActiveTab\" data-wp-bind--tabindex=\"state.tabIndexAttribute\" data-wp-context=\"{&quot;tabIndex&quot;:5}\" data-wp-on--click=\"actions.handleTabClick\" data-wp-on--keydown=\"actions.handleTabKeyDown\" id=\"tab__tabs_1-tab-5\" type=\"button\" role=\"tab\">Spine-2<\/button><\/div>\n\n\n\n<div class=\"wp-block-tab-panels\">\n<section hidden aria-labelledby=\"tab__tabs_1-tab-0\" data-wp-bind--hidden=\"!state.isActiveTab\" id=\"tabs_1-tab-0\" role=\"tabpanel\" tabindex=\"0\" class=\"wp-block-tab-panel is-layout-flow wp-block-tab-panel-is-layout-flow\">\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Configura\u00e7\u00e3o OSPF<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-2\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">feature ospf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">router ospf underlay<br>router-id 1.1.1.1<br><br>interface loopback0<br>ip address 100.0.0.1\/32<br>ip router ospf underlay area 0.0.0.0<br><br>interface Ethernet1\/1<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/2<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/3<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/4<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Adjac\u00eancia e status das rotas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-3\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"890\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-4-1024x890.png\" alt=\"\" class=\"wp-image-181\" style=\"aspect-ratio:1.150554210684929;width:612px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-4-1024x890.png 1024w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-4-300x261.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-4-768x668.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-4.png 1026w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"948\" height=\"1024\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-5-948x1024.png\" alt=\"\" class=\"wp-image-183\" style=\"aspect-ratio:0.9257865379718857;width:613px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-5-948x1024.png 948w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-5-278x300.png 278w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-5-768x830.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-5.png 1016w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section hidden aria-labelledby=\"tab__tabs_1-tab-1\" data-wp-bind--hidden=\"!state.isActiveTab\" id=\"tabs_1-tab-1\" role=\"tabpanel\" tabindex=\"0\" class=\"wp-block-tab-panel is-layout-flow wp-block-tab-panel-is-layout-flow\">\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Configura\u00e7\u00e3o OSPF<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-4\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">feature ospf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">router ospf underlay<br>router-id 2.2.2.2<br><br>interface loopback0<br>ip address 100.0.0.2\/32<br>ip router ospf underlay area 0.0.0.0<br><br>interface Ethernet1\/1<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/2<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/3<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/4<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-5&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-5-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-5\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Adjac\u00eancia e status das rotas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-5\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-5-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1022\" height=\"906\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-7.png\" alt=\"\" class=\"wp-image-185\" style=\"aspect-ratio:1.1280263870692344;width:612px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-7.png 1022w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-7-300x266.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-7-768x681.png 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"948\" height=\"1024\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-8-948x1024.png\" alt=\"\" class=\"wp-image-186\" style=\"aspect-ratio:0.9257865379718857;width:611px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-8-948x1024.png 948w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-8-278x300.png 278w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-8-768x830.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-8.png 1022w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section hidden aria-labelledby=\"tab__tabs_1-tab-2\" data-wp-bind--hidden=\"!state.isActiveTab\" id=\"tabs_1-tab-2\" role=\"tabpanel\" tabindex=\"0\" class=\"wp-block-tab-panel is-layout-flow wp-block-tab-panel-is-layout-flow\">\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-6&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-6-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-6\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Configura\u00e7\u00e3o OSPF<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-6\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-6-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">feature ospf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">router ospf underlay<br>router-id 3.3.3.3<br><br>interface loopback0<br>ip address 100.0.0.3\/32<br>ip router ospf underlay area 0.0.0.0<br><br>interface Ethernet1\/1<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/2<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/3<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/4<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-7&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-7-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-7\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Adjac\u00eancia e status das rotas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-7\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-7-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1022\" height=\"896\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-9.png\" alt=\"\" class=\"wp-image-188\" style=\"aspect-ratio:1.140631481642164;width:612px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-9.png 1022w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-9-300x263.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-9-768x673.png 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"955\" height=\"1024\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-10-955x1024.png\" alt=\"\" class=\"wp-image-189\" style=\"aspect-ratio:0.9326130224623258;width:612px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-10-955x1024.png 955w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-10-280x300.png 280w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-10-768x824.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-10.png 1022w\" sizes=\"(max-width: 955px) 100vw, 955px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section hidden aria-labelledby=\"tab__tabs_1-tab-3\" data-wp-bind--hidden=\"!state.isActiveTab\" id=\"tabs_1-tab-3\" role=\"tabpanel\" tabindex=\"0\" class=\"wp-block-tab-panel is-layout-flow wp-block-tab-panel-is-layout-flow\">\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-8&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-8-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-8\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Configura\u00e7\u00e3o OSPF<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-8\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-8-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">feature ospf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">router ospf underlay<br>router-id 4.4.4.4<br><br>interface loopback0<br>ip address 100.0.0.4\/32<br>ip router ospf underlay area 0.0.0.0<br><br>interface Ethernet1\/1<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/2<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/3<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/4<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-9&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-9-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-9\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Adjac\u00eancia e status das rotas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-9\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-9-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1022\" height=\"896\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-11.png\" alt=\"\" class=\"wp-image-190\" style=\"aspect-ratio:1.140631481642164;width:610px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-11.png 1022w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-11-300x263.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-11-768x673.png 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"947\" height=\"1024\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-12-947x1024.png\" alt=\"\" class=\"wp-image-191\" style=\"aspect-ratio:0.9248120088548701;width:613px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-12-947x1024.png 947w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-12-278x300.png 278w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-12-768x830.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-12.png 1012w\" sizes=\"(max-width: 947px) 100vw, 947px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section hidden aria-labelledby=\"tab__tabs_1-tab-4\" data-wp-bind--hidden=\"!state.isActiveTab\" id=\"tabs_1-tab-4\" role=\"tabpanel\" tabindex=\"0\" class=\"wp-block-tab-panel is-layout-flow wp-block-tab-panel-is-layout-flow\">\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-10&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-10-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-10\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Configura\u00e7\u00e3o OSPF<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-10\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-10-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">feature ospf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">router ospf underlay<br>router-id 0.0.0.1<br><br>interface loopback0<br>ip address 10.0.0.1\/32<br>ip router ospf underlay area 0.0.0.0<br><br>interface Ethernet1\/1<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/2<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/3<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/4<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-11&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-11-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-11\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Adjac\u00eancia e status das rotas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-11\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-11-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1018\" height=\"960\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-13.png\" alt=\"\" class=\"wp-image-192\" style=\"aspect-ratio:1.0604133999564622;width:612px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-13.png 1018w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-13-300x283.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-13-768x724.png 768w\" sizes=\"(max-width: 1018px) 100vw, 1018px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"783\" height=\"1024\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-14-783x1024.png\" alt=\"\" class=\"wp-image-193\" style=\"aspect-ratio:0.7646559125798774;width:611px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-14-783x1024.png 783w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-14-229x300.png 229w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-14-768x1005.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-14.png 1018w\" sizes=\"(max-width: 783px) 100vw, 783px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n\n\n\n<section hidden aria-labelledby=\"tab__tabs_1-tab-5\" data-wp-bind--hidden=\"!state.isActiveTab\" id=\"tabs_1-tab-5\" role=\"tabpanel\" tabindex=\"0\" class=\"wp-block-tab-panel is-layout-flow wp-block-tab-panel-is-layout-flow\">\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-12&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-12-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-12\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Configura\u00e7\u00e3o OSPF<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-12\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-12-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">feature ospf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">router ospf underlay<br>router-id 0.0.0.2<br><br>interface loopback0<br>ip address 10.0.0.2\/32<br>ip router ospf underlay area 0.0.0.0<br><br>interface Ethernet1\/1<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/2<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/3<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">interface Ethernet1\/4<br>no switchport<br>mtu 9216<br>medium p2p<br>ip unnumbered loopback0<br>ip ospf network point-to-point<br>ip router ospf underlay area 0.0.0.0<br>no shutdown<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-13&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h4 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-13-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-13\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Adjac\u00eancia e status das rotas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h4>\n\n\n\n<div aria-labelledby=\"accordion-item-13\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-13-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1020\" height=\"956\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-15.png\" alt=\"\" class=\"wp-image-194\" style=\"aspect-ratio:1.066944262603893;width:611px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-15.png 1020w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-15-300x281.png 300w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-15-768x720.png 768w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"789\" height=\"1024\" fetchpriority=\"low\" src=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-16-789x1024.png\" alt=\"\" class=\"wp-image-195\" style=\"aspect-ratio:0.7705017188468534;width:611px;height:auto\" srcset=\"https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-16-789x1024.png 789w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-16-231x300.png 231w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-16-768x997.png 768w, https:\/\/pingsemresposta.com.br\/wp-content\/uploads\/2026\/08\/image-16.png 1020w\" sizes=\"(max-width: 789px) 100vw, 789px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Em todas as valida\u00e7\u00f5es conseguimos ver os endere\u00e7os das loopbacks(futuros VTEPs) sendo aprendidos. \u00c9 interessante notar que ao usar IP Unnunmbered, vemos as rotas com a interface de sa\u00edda do equipamento e n\u00e3o um next-hop IP. Isso acontece pela maneira que o IP Unnumbered funciona, j\u00e1 que n\u00e3o temos uma rede nesse link P2P, ele faz o apontamento da interface que o tr\u00e1fego dever\u00e1 ser encaminhado.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Refer\u00eancias<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/lostintransit.se\/2024\/02\/20\/why-is-bfd-more-light-weight-than-routing-hellos\/\">Artigo do Daniel Dib sobre BFD x Timers Agressivos<\/a><br><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/dcn\/nx-os\/nexus9000\/106x\/configuration\/unicast-routing-configuration\/cisco-nexus-9000-series-nx-os-unicast-routing-configuration-guide\/m_configuring_ospfv2.html\">Unicast Routing Config Guide &#8211; NX-OS &#8211; OSPFv2<\/a><br><a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc1812#section-2.2.7\">RFC1812 &#8211; IPv4 &#8211; 2.2.7 &#8211; IP Unnumbered<\/a><br><a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc2328#section-10.5\">RFC2328 &#8211; OSPFv2 &#8211; 10.5 &#8211; Hello Packet Exchange<\/a><br><a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc2328#section-12.4.1.1\">RFC2328 &#8211; OSPFv2 &#8211; 12.4.1.1 &#8211; Point-to-Point Interfaces<\/a><br>Building Data Centers with VXLAN &#8211; Vinit Jain(Cisco Press)<br><br><br><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nesse post vamos analisar como funciona a implementa\u00e7\u00e3o do Underlay da malha VXLAN utilizando o protocolo OSPF. A ind\u00fastria recomenda o uso do OSPF, ent\u00e3o antes de iniciar o post, vamos falar rapidinho um pouco sobre esse protocolo. Por que usar OSPF no Underlay A ind\u00fastria recomenda o uso do OSPF por alguns motivos, entre &#8230; <a title=\"VXLAN &#8211; Underlay &#8211; OSPF\" class=\"read-more\" href=\"https:\/\/pingsemresposta.com.br\/?p=120\" aria-label=\"Read more about VXLAN &#8211; Underlay &#8211; OSPF\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-120","post","type-post","status-publish","format-standard","hentry","category-vxlan"],"_links":{"self":[{"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=\/wp\/v2\/posts\/120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=120"}],"version-history":[{"count":29,"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions"}],"predecessor-version":[{"id":211,"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions\/211"}],"wp:attachment":[{"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pingsemresposta.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}