template bgp dn42_bgp_up {
    graceful restart;
    local as DN42_ASN;
    ipv4 {
        table dn42v4;
        import filter {
          if !is_dn42_prefix() then reject;
          if is_dn42_self_net() then reject;
          bgp_large_community.add((DN42_ASN,200,0));# 传输到Ebgp
          accept;
        };
        export filter { 
            if !is_dn42_prefix() then reject; 
            if source !~ [RTS_STATIC, RTS_BGP] then reject;
            if bgp_large_community !~ [(DN42_ASN, 200,0)] then reject;      
            accept;
        };
        import limit 9000 action block; 
    };

    ipv6 {
        table dn42v6;
        import filter {
          if !is_dn42_prefix() then reject;
          if is_dn42_self_net() then reject;
          bgp_large_community.add((DN42_ASN,200,0));# 传输到Ebgp
          accept;
        };
        export filter { 
            if !is_dn42_prefix() then reject; 
            if source !~ [RTS_STATIC, RTS_BGP] then reject;
            if bgp_large_community !~ [(DN42_ASN, 200,0)] then reject;      
            accept;
        };
        import limit 9000 action block; 
    };
}

template bgp dn42_ibgp {
    graceful restart;
    local as DN42_ASN;
    med metric;
    direct;
    ipv4 {
        table dn42v4;
        next hop self;
        gateway direct;
        import filter { 
            if bgp_large_community ~ [(DN42_ASN, 1,*)] then reject;
            if !is_dn42_prefix() then reject;
            if is_dn42_self_net() then reject;
            accept; 
        };
        export filter { 
            if bgp_large_community ~ [(DN42_ASN, 1,*)] then reject;
            if !is_dn42_prefix() then reject;
            if is_dn42_self_net() then reject;
            accept;
            };
    };
    ipv6 {
        table dn42v6;
        next hop self;
        gateway direct;
        import filter { 
            if bgp_large_community ~ [(DN42_ASN, 1,*)] then reject;
            if !is_dn42_prefix() then reject;
            if is_dn42_self_net() then reject;
            accept; 
        };
        export filter { 
            if bgp_large_community ~ [(DN42_ASN, 1,*)] then reject;
            if !is_dn42_prefix() then reject;
            if is_dn42_self_net() then reject;
            accept;
            };
    };
}