Hi, I try export 192.0.2.0/24 to BGP into a test env. Why not work? I attach my config file root@fake-asn1:~# birdc show protocol all BIRD 1.6.8 ready. name proto table state since info kernel1 Kernel master up 20:08:35 Preference: 10 Input filter: ACCEPT Output filter: ACCEPT Routes: 0 imported, 0 exported, 0 preferred Route change stats: received rejected filtered ignored accepted Import updates: 0 0 0 0 0 Import withdraws: 0 0 --- 0 0 Export updates: 0 0 0 --- 0 Export withdraws: 0 --- --- --- 0 device1 Device master up 20:08:35 Preference: 240 Input filter: ACCEPT Output filter: REJECT Routes: 0 imported, 0 exported, 0 preferred Route change stats: received rejected filtered ignored accepted Import updates: 0 0 0 0 0 Import withdraws: 0 0 --- 0 0 Export updates: 0 0 0 --- 0 Export withdraws: 0 --- --- --- 0 IXP BGP master up 20:08:40 Established Preference: 100 Input filter: (unnamed) Output filter: (unnamed) Routes: 0 imported, 0 exported, 0 preferred Route change stats: received rejected filtered ignored accepted Import updates: 0 0 0 0 0 Import withdraws: 0 0 --- 0 0 Export updates: 0 0 0 --- 0 Export withdraws: 0 --- --- --- 0 BGP state: Established Neighbor address: 172.23.0.1 Neighbor AS: 65501 Neighbor ID: 172.23.0.1 Neighbor caps: refresh enhanced-refresh restart-aware llgr-aware AS4 Session: external AS4 Source address: 172.23.1.0 Hold timer: 128/240 Keepalive timer: 8/80 root@fake-asn1:~# route -n -4 Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.23.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 192.0.2.0 0.0.0.0 255.255.255.0 U 0 0 0 ethFAKE -- alpha_one_x86/BRULE Herman<alpha_one_x86@first-world.info> Main developer of Supercopier/Ultracopier/CatchChallenger, Esourcing and server management IT, OS, technologies, research & development, security and business department