{"id":71,"date":"2011-05-17T18:36:47","date_gmt":"2011-05-17T16:36:47","guid":{"rendered":"http:\/\/www.zed-network.fr\/blog\/?p=71"},"modified":"2011-05-17T18:46:36","modified_gmt":"2011-05-17T16:46:36","slug":"ospf-divers","status":"publish","type":"post","link":"https:\/\/zed-network.fr\/?p=71","title":{"rendered":"OSPF divers"},"content":{"rendered":"<p>OSPF \u00e9coute en IP proto 89.<\/p>\n<p>Adresse Multicast utilis\u00e9e pour les \u00e9changes :<\/p>\n<ul>\n<li>224.0.0.5 : Tous les routeusr OSPF<\/li>\n<li>224.0.0.6 : Tous les DR OSPF<\/li>\n<\/ul>\n<p>Pour empecher de devenir DR, on peut configurer la priorit\u00e9 \u00e0 0 :<\/p>\n<pre>ip ospf priority 0<\/pre>\n<p>Les paquets OSFP.<\/p>\n<ul>\n<li>Hello : \u00e9tablit et surveille la connexion avec le voision<\/li>\n<li>Database description (DBD) : Initialisation entre les routeurs<\/li>\n<li>Link-state request (LSR): demande la ou les mises \u00e0 jours suite une requ\u00eate &#8220;Database description&#8221;<\/li>\n<li>Link-state update (LSU): r\u00e9ponse \u00e0 un LS Request ou simple ajout d&#8217;une nouvelle route.<\/li>\n<li>Link-state acknowledgment (LSAck) : Acquitte un LS Update<\/li>\n<\/ul>\n<p>LSA Type :<\/p>\n<ul>\n<li>1: Router Link States : Liste de voisins<\/li>\n<li>2: Net Link States : G\u00e9n\u00e9r\u00e9 par le DR &#8211; Net adjacent<\/li>\n<li>3: Summary Net Link States :\u00a0G\u00e9n\u00e9r\u00e9 par les ASBR &#8211; Liste des routes connues par les ASBR<\/li>\n<li>4: Summary ASB Link States :\u00a0G\u00e9n\u00e9r\u00e9 par les ASBR &#8211; Liste des ASBR<\/li>\n<li>5: AS External Link States :<\/li>\n<\/ul>\n<p><strong>Stub : <\/strong><\/p>\n<ul>\n<li>R\u00e9cup\u00e8re les routes (O, O IA)+ une route par d\u00e9faut. Il n&#8217;y a pas les routes externes.<\/li>\n<\/ul>\n<p><strong>Totaly Stubby (stub no-summary) \u00a0: <\/strong><\/p>\n<ul>\n<li>R\u00e9cup\u00e8re uniquement une route par d\u00e9faut.<\/li>\n<\/ul>\n<p><strong>Not-So-stubby (nssa) :<\/strong><\/p>\n<ul>\n<li>Stub area qui accepte des routes externes Intra-area. Dans une aire NSSA on a des LSA de type 7 qui sont transform\u00e9 en type 4 et 5 dans l&#8217;aire backbone par l&#8217;ASBR.<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>OSPF \u00e9coute en IP proto 89. Adresse Multicast utilis\u00e9e pour les \u00e9changes : 224.0.0.5 : Tous les routeusr OSPF 224.0.0.6 : Tous les DR OSPF Pour empecher de devenir DR, on peut configurer la priorit\u00e9 \u00e0 0 : ip ospf priority 0 Les paquets OSFP. Hello : \u00e9tablit et surveille la connexion avec le voision [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-71","post","type-post","status-publish","format-standard","hentry","category-ospf"],"_links":{"self":[{"href":"https:\/\/zed-network.fr\/index.php?rest_route=\/wp\/v2\/posts\/71","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zed-network.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zed-network.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zed-network.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zed-network.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=71"}],"version-history":[{"count":4,"href":"https:\/\/zed-network.fr\/index.php?rest_route=\/wp\/v2\/posts\/71\/revisions"}],"predecessor-version":[{"id":75,"href":"https:\/\/zed-network.fr\/index.php?rest_route=\/wp\/v2\/posts\/71\/revisions\/75"}],"wp:attachment":[{"href":"https:\/\/zed-network.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=71"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zed-network.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=71"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zed-network.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}