Zhongguancun Laboratory Zhongguancun Laboratory Everything OPS Huawei This document specifies the IP Flow Information Export Information Elements to export the context and outcome of Source Address Validation enforcement data. These SAV-specific Information Elements provide detailed insight into why packets are identified as spoofed by capturing the specific SAV rules that triggered validation decisions. This operational visibility is essential for network operators to verify SAV effectiveness, audit rule correctness, and analyze source address spoofing events.