{"id":4478,"date":"2013-03-07T16:56:13","date_gmt":"2013-03-07T15:56:13","guid":{"rendered":"https:\/\/www.commander1024.de\/wordpress\/?p=4478"},"modified":"2020-12-19T23:56:47","modified_gmt":"2020-12-19T22:56:47","slug":"hetzner-stellt-das-ipv6-gateway-um","status":"publish","type":"post","link":"https:\/\/www.commander1024.de\/wordpress\/2013\/03\/hetzner-stellt-das-ipv6-gateway-um\/","title":{"rendered":"Hetzner stellt das IPv6 Gateway um"},"content":{"rendered":"\n <p> Gerade bekam ich eine E-Mail vom Hetzner Network Team, dass gerade Arbeiten durchgef\u00fchrt werden und in dem Zuge das IPv6 default gateway f\u00fcr meine Server ge\u00e4ndert werden m\u00fcsse. <\/p> \n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"> <p> aufgrund von notwendigen Anpassungen innerhalb unseres IPv6-Backbones&nbsp;wird Ihr altes Default-Gateway ab dem 06.05.2013 nicht mehr g\u00fcltig sein.&nbsp;Die Kommunikation kann danach nur noch \u00fcber die Link Local Adresse&nbsp;fe80::1 stattfinden. <\/p>  <p> So m\u00fcssen Sie in Zukunft auch keine umst\u00e4ndliche Konfiguration \u00fcber ein zweites \/64 IPv6-Subnetz vornehmen, um ein geroutetes Netz zu erhalten. Bereits das erste \/64 Netz ist vollst\u00e4ndig geroutet. <\/p> <\/blockquote>\n\n\n\n <p> Das ist sch\u00f6n, so f\u00e4llt doch die bisherige Kr\u00fccke weg, um das default gateway, welches in einem anderen Netz liegt, erst mit einer Hostroute erreichbar zu machen und dann dahin zu routen. Man kann fortan eine deutlich entschlackte Config nutzen: <\/p> \n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">iface eth0 inet6 <span class=\"hljs-keyword\">static<\/span>\naddress <span class=\"hljs-number\">2<\/span>a01:<span class=\"hljs-number\">4<\/span>f8:<span class=\"hljs-number\">150<\/span>:<span class=\"hljs-number\">82<\/span>a1::<span class=\"hljs-number\">2<\/span>\nnetmask <span class=\"hljs-number\">64<\/span>\ngateway fe80::<span class=\"hljs-number\">1<\/span>\n\n<span class=\"hljs-comment\">#Deprecated Hetzner IPv6 Workarounds<\/span>\n<span class=\"hljs-comment\">#Host-Route, da das Gateway ausserhalb des eigenen \/64 Blocks liegt<\/span>\n<span class=\"hljs-comment\">#up ip -6 route add 2a01:4f8:150:82a0::1 dev eth0<\/span>\n<span class=\"hljs-comment\">#down ip -6 route del 2a01:4f8:150:82a0::1 dev eth0<\/span>\n<span class=\"hljs-comment\">#Default Route<\/span>\n<span class=\"hljs-comment\">#up ip -6 route add default via 2a01:4f8:150:82a0::1 dev eth0<\/span>\n<span class=\"hljs-comment\">#down ip -6 route del default via 2a01:4f8:150:82a0::1 dev eth0<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code-Sprache:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n <p> Allerdings w\u00e4re diese \u00c4nderung erst nach einem Neustart des Servers (in meinem Fall KVM Hypervisors mitsamt aller G\u00e4ste) n\u00f6tig um diese \u00c4nderung anzuwenden, daher habe ich die Routen anschlie\u00dfend noch zur Laufzeit angepasst. <\/p> \n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">ip <span class=\"hljs-number\">-6<\/span> route del <span class=\"hljs-keyword\">default<\/span> via <span class=\"hljs-number\">2<\/span>a01:<span class=\"hljs-number\">4<\/span>f8:<span class=\"hljs-number\">150<\/span>:<span class=\"hljs-number\">82<\/span>a0::<span class=\"hljs-number\">1<\/span>\nroute -A inet6 add <span class=\"hljs-keyword\">default<\/span> gw fe80::<span class=\"hljs-number\">1<\/span> dev eth0\nip <span class=\"hljs-number\">-6<\/span> route del <span class=\"hljs-number\">2<\/span>a01:<span class=\"hljs-number\">4<\/span>f8:<span class=\"hljs-number\">150<\/span>:<span class=\"hljs-number\">82<\/span>a0::<span class=\"hljs-number\">1<\/span>\/<span class=\"hljs-number\">128<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code-Sprache:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n <p> Fertig! N\u00e4chster Server <span class=\"wp-font-emots-emo-happy\"><\/span> <\/p> \n","protected":false},"excerpt":{"rendered":" <p> Gerade bekam ich eine E-Mail vom Hetzner Network Team, dass gerade Arbeiten durchgef\u00fchrt werden und in dem Zuge das IPv6 default gateway f\u00fcr meine Server ge\u00e4ndert werden m\u00fcsse. aufgrund von notwendigen Anpassungen innerhalb unseres IPv6-Backbones&nbsp;wird Ihr altes Default-Gateway ab dem 06.05.2013 nicht mehr g\u00fcltig sein.&nbsp;Die Kommunikation kann danach nur noch \u00fcber die Link Local Adresse&nbsp;fe80::1&hellip; <\/p> \n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[12,87,3],"tags":[326,325,261,327],"class_list":["post-4478","post","type-post","status-publish","format-standard","hentry","category-administration","category-it","category-linux","tag-gateway","tag-hetzner","tag-ipv6","tag-routing","comments-open","has-comments"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hetzner stellt das IPv6 Gateway um &#8211; 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