{"id":2130,"date":"2026-04-06T20:02:29","date_gmt":"2026-04-06T19:02:29","guid":{"rendered":"https:\/\/blog.thomarite.uk\/?p=2130"},"modified":"2026-04-06T20:33:00","modified_gmt":"2026-04-06T19:33:00","slug":"jncip-sp-v2","status":"publish","type":"post","link":"https:\/\/blog.thomarite.uk\/index.php\/2026\/04\/06\/jncip-sp-v2\/","title":{"rendered":"JNCIP-SP: v2"},"content":{"rendered":"\n

BGP GTSM<\/a><\/p>\n\n\n\n

ISIS<\/a>: address and adjacencies<\/a>:<\/p>\n\n\n\n

p2p links 1 hello for L1 and L2.<\/p>\n\n\n\n

The designated router multicasts CSNPs on broadcast links in place of sending explicit acknowledgments for each link-state PDU.<\/p>\n\n\n\n

BGP VPLS control word<\/a>: <\/p>\n\n\n\n

vrf-table-label<\/a><\/p>\n\n\n\n

SoO<\/a> – Site of Origin<\/p>\n\n\n\n

as-override<\/a>: Compare the AS path of an incoming route with the AS number of the BGP peer in the group, and replace all occurrences of the peer AS number in the AS path with its own AS number before re-advertising the route to the peer.<\/p>\n\n\n\n

remove-private<\/a>: When advertising AS paths to remote systems, have the local system strip private AS\u00a0numbers from the AS path. The numbers are stripped from the AS path starting at the left end of the AS path (the end where AS paths have been most recently added). The routing device stops searching for private ASs when it finds the first nonprivate AS or a peer\u2019s private AS.<\/p>\n\n\n\n

Routing Policy Matching Conditions<\/a>: <\/p>\n\n\n\n

community<\/code><\/td>Matches the name of one or more communities. If you list more than one name, only one name needs to match for a match to occur. (The matching is effectively a logical OR operation.)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Prepending<\/p>\n\n\n\n

+        term prefix-nonpreferred {\n+            from {\n+                prefix-list-filter prefix-migration orlonger;\n+            }\n+            then {\n+                as-path-prepend 123;\n+                as-path-expand last-as count 1;\n+                next policy;<\/code><\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
BGP GTSM ISIS: address and adjacencies: p2p links 1 hello for L1 and L2. The designated router multicasts CSNPs on broadcast links in place of sending explicit acknowledgments for each link-state PDU. BGP VPLS control word: vrf-table-label SoO – Site of Origin as-override: Compare the AS path of an incoming route with the AS number … Continue reading “JNCIP-SP: v2”<\/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-2130","post","type-post","status-publish","format-standard","hentry","category-networks"],"_links":{"self":[{"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts\/2130","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=2130"}],"version-history":[{"count":4,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts\/2130\/revisions"}],"predecessor-version":[{"id":2137,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/posts\/2130\/revisions\/2137"}],"wp:attachment":[{"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/media?parent=2130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/categories?post=2130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.thomarite.uk\/index.php\/wp-json\/wp\/v2\/tags?post=2130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}