{"id":193,"date":"2020-06-13T18:10:29","date_gmt":"2020-06-13T17:10:29","guid":{"rendered":"https:\/\/blog.thomarite.uk\/?p=193"},"modified":"2020-06-13T18:13:32","modified_gmt":"2020-06-13T17:13:32","slug":"bgp-free-core","status":"publish","type":"post","link":"https:\/\/blog.thomarite.uk\/index.php\/2020\/06\/13\/bgp-free-core\/","title":{"rendered":"BGP-Free Core"},"content":{"rendered":"\n<p>This week I have been following a <a href=\"https:\/\/mailman.nanog.org\/pipermail\/nanog\/2020-June\/108142.html\">discussion<\/a> in NANOG about LDPv6 (there are lot of emails but it is VERY interesting) and I realized that I didnt recognize the term &#8220;BGP-Free Core&#8221;. So I searched about it. It seems it wasnt an obscure subject and funny enough I have used that design in my MPLS labs in GNS3&#8230; So what is BGP-Free core? These are the links I read:<\/p>\n\n\n\n<p><a href=\"https:\/\/blog.ipspace.net\/2012\/01\/bgp-free-service-provider-core-in.html\">https:\/\/blog.ipspace.net\/2012\/01\/bgp-free-service-provider-core-in.html<\/a><\/p>\n\n\n\n<p>And this is my <a href=\"https:\/\/bgphelp.com\/2017\/02\/12\/bgp-free-core\/\">favourite<\/a>.<\/p>\n\n\n\n<p>As in my basic MPLS lab, we only use BGP between PEs, and the P router only does IGP and LDP, it doesnt have to know anything about VRFs. <\/p>\n\n\n\n<p>So for that reason, you need to increase the MTU in your links  (4bytes per MPLS label) and link usage increases for the extra overhead.<\/p>\n\n\n\n<p>So it is important to know stuff but as well how to name that stuff \ud83d\ude1b<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This week I have been following a discussion in NANOG about LDPv6 (there are lot of emails but it is VERY interesting) and I realized that I didnt recognize the term &#8220;BGP-Free Core&#8221;. So I searched about it. It seems it wasnt an obscure subject and funny enough I have used that design in my &hellip; <a href=\"https:\/\/blog.thomarite.uk\/index.php\/2020\/06\/13\/bgp-free-core\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;BGP-Free Core&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-193","post","type-post","status-publish","format-standard","hentry","category-networks"],"_links":{"self":[{"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts\/193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/comments?post=193"}],"version-history":[{"count":2,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts\/193\/revisions"}],"predecessor-version":[{"id":195,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts\/193\/revisions\/195"}],"wp:attachment":[{"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/media?parent=193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/categories?post=193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/tags?post=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}