{"id":443,"date":"2018-10-26T21:48:25","date_gmt":"2018-10-26T21:48:25","guid":{"rendered":"http:\/\/feralpacket.org\/?p=443"},"modified":"2018-10-26T21:48:25","modified_gmt":"2018-10-26T21:48:25","slug":"ipv6-over-ipv4-tunneling-notes","status":"publish","type":"post","link":"https:\/\/feralpacket.org\/?p=443","title":{"rendered":"IPV6 over IPV4 Tunneling Notes"},"content":{"rendered":"<p><span style=\"font-weight: bold;\">IPv6 over IPv4 Tunneling<\/span>\u00a0<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/feralpacket.org\/wp-content\/uploads\/2018\/10\/208dba438100e37f5013506231f9cb7a.jpeg\" style=\"cursor: default;cursor: default;\" width=\"600\" height=\"\"\/><\/p>\n<p>R1<\/p>\n<p>\u00a0&#8211; Source: 12.0.0.1<\/p>\n<p>\u00a0&#8211; Destination: 23.0.0.3<\/p>\n<p>R3<\/p>\n<p>\u00a0&#8211; Source: 23.0.0.3<\/p>\n<p>\u00a0&#8211; Destination: 12.0.0.1<\/p>\n<p>Static tunnel<\/p>\n<p>\u00a0&#8211; point-to-point tunnel<\/p>\n<p>\u00a0&#8211; IPv6IP<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; IPv6 payload only<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; Smaller header<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; IP protocol 41<\/p>\n<p>\u00a0&#8211; GRE IP<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; Multiprotocol support<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; Larger header<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; IP protocol 47<\/p>\n<p>During the troubleshooting section of the R&amp;S lab, there may be an ACL blocking IP protocol 41 or 47<\/p>\n<p>R1(config)# <span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">int tu0<\/span><\/p>\n<p>\u00a0<span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">ip add 2001::1\/64<\/span><\/p>\n<p>\u00a0<span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">tunnel source 12.0.0.1<\/span><\/p>\n<p>\u00a0<span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">tunnel destination 23.0.0.3<\/span><\/p>\n<p>\u00a0<span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">tunnel mode ipv6ip<\/span><\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; The tunnel mode will be GRE, by default, if the tunnel mode is not specified<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IPv6 over IPv4 Tunneling\u00a0<\/p>\n","protected":false},"author":1,"featured_media":442,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[40,31],"class_list":["post-443","post","type-post","status-publish","format-standard","hentry","category-ccie","tag-ipv6","tag-published"],"_links":{"self":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=443"}],"version-history":[{"count":2,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/443\/revisions"}],"predecessor-version":[{"id":455,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/443\/revisions\/455"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/media\/442"}],"wp:attachment":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}