template bgp unet_bgp_up1 {
    graceful restart;
    local as UNET_ASN;
    ipv4 {
        table unet4;
        import filter {
          if !unet_is_valid_network_v4() then reject;
          if unet_is_self_net() then reject;
          bgp_large_community.empty;  
          bgp_large_community.add((UNET_ASN,200,0));# 传输到Ebgp
          accept;
        };
        export filter { 
            if !unet_is_valid_network_v4() then reject; 
            if source !~ [RTS_STATIC, RTS_BGP] then reject;
            if bgp_large_community !~ [(UNET_ASN, 200,0)] then reject;      
            bgp_large_community.empty;  
            accept;
        };
        import limit 9000 action block; 
    };
}

include "/etc/bird/peers/unet/*.conf";