HTTP/2 200 date: Tue, 07 Oct 2025 23:46:42 GMT content-type: text/plain; charset=utf-8 content-encoding: gzip content-security-policy: default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ https://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com cross-origin-opener-policy: unsafe-none etag: W/"984688eed694cd4c5eed114bbd689e4b" referrer-policy: strict-origin-when-cross-origin strict-transport-security: max-age=3600; includeSubDomains vary: Cookie, Accept-Encoding x-content-type-options: nosniff x-frame-options: SAMEORIGIN cf-cache-status: MISS expires: Wed, 08 Oct 2025 03:46:42 GMT cache-control: public, max-age=14400 set-cookie: __cf_bm=quae3fR6lrBYI16rg6.U.aUv1HNjsic1BikgMHaquTE-1759880802-1.0.1.1-fueU08Vws8lSDmW87hTZJn7hQH6SyhPabVAQ6GDdyB.hMwsgPSLeQsZkn_DGFsojKKIQcxPhlPOAukrYwnQ2sRr1ldu5mrf1g8Y7CKoWbdY; path=/; expires=Wed, 08-Oct-25 00:16:42 GMT; domain=.ietf.org; HttpOnly; Secure; SameSite=None server: cloudflare cf-ray: 98b14782dd94c169-BLR alt-svc: h3=":443"; ma=86400 @misc{rfc7794, series = {Request for Comments}, number = 7794, howpublished = {RFC 7794}, publisher = {RFC Editor}, doi = {10.17487/RFC7794}, url = {https://www.rfc-editor.org/info/rfc7794}, author = {Les Ginsberg and Bruno Decraene and Stefano Previdi and Xiaohu Xu and Uma Chunduri}, title = {{IS-IS Prefix Attributes for Extended IPv4 and IPv6 Reachability}}, pagetotal = 9, year = 2016, month = mar, abstract = {This document introduces new sub-TLVs to support advertisement of IPv4 and IPv6 prefix attribute flags and the source router ID of the router that originated a prefix advertisement.}, }