教程

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bird2 bfd failover

从两个VPS位置实现BGP故障切换和多宿主

使用BGP从两个位置宣告相同前缀，实现自动故障切换。涵盖LOCAL_PREF、MED、AS-path prepending、BFD和优雅关闭，包含完整的BIRD2和FRR配置。

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