{"draft":"draft-ietf-isis-route-preference-02","doc_id":"RFC7775","title":"IS-IS Route Preference for Extended IP and IPv6 Reachability","authors":["L. Ginsberg","S. Litkowski","S. Previdi"],"format":["ASCII","HTML"],"page_count":"11","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IS-IS for IP Internets","abstract":"In existing specifications, the route preferences for IPv4\/IPv6\r\nExtended Reachability TLVs are not explicitly stated.  There are also\r\ninconsistencies in the definition of how the up\/down bit applies to\r\nroute preference when the prefix advertisement appears in Level 2\r\nLink State Protocol Data Units (LSPs).  This document addresses these\r\nissues.","pub_date":"February 2016","keywords":[],"obsoletes":[],"obsoleted_by":[],"updates":["RFC5308"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC7775","errata_url":null}