@techreport{tantsura-bess-evpn-unreachability-02, number = {draft-tantsura-bess-evpn-unreachability-02}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-tantsura-bess-evpn-unreachability/02/}, author = {Jeff Tantsura and Vivek Venkatraman and Karthikeya Venkat Muppalla and Pooja Jagadeesh Doijode and Maciej Rzehak}, title = {{EVPN Unreachability Signaling}}, pagetotal = 38, year = 2026, month = may, day = 15, abstract = {This document defines a new EVPN Route Type for signaling prefix unreachability information without affecting the forwarding plane. The route type reuses the Route Type 5 (IP Prefix Advertisement) field order defined for EVPN IP prefix routes, adds an Address Family octet for unambiguous IPv4/IPv6 parsing, and appends Reporter TLVs that allow aggregation of unreachability reports from multiple network vantage points.}, }