protocol ospf {
        tick 2;
        rfc1583compat yes;

        area 0.0.0.0 {

            networks {
                1.1.1.0/22;
            };
            stubnet 2.2.2.2/32 {
                 cost 100;
            };
            stubnet 3.3.3.3/32 {
                 cost 500;
            };
            stubnet 4.4.4.4/32 {
                 cost 1000;
            };
            stubnet 5.5.5.5/32 {
                 cost 900;
            };
            interface "eth0" {
                cost 1000;
                password "MySecretPassword" {
                    id 5;
                };
                authentication cryptographic;
            };

            interface "dummy0" {
                stub;
            };
            interface "dummy1" {
                stub;
            };
            interface "dummy2" {
                stub;
            };
            interface "dummy3" {
                stub;
            };

        };
}

filter import_OSPF {
    reject;
}

protocol ospf {
        tick 2;
        rfc1583compat yes;

        import filter import_OSPF;
        area 0.0.0.0 {

            networks {
                1.1.1.0/22;
            };
            stubnet 2.2.2.2/32 {
                 cost 100;
            };
            stubnet 3.3.3.3/32 {
                 cost 500;
            };
            stubnet 4.4.4.4/32 {
                 cost 1000;
            };
            stubnet 5.5.5.5/32 {
                 cost 900;
            };
            interface "eth0" {
                cost 1000;
                password "MySecretPassword" {
                    id 5;
                };
                authentication cryptographic;
            };

            interface "dummy0" {
                stub;
            };
            interface "dummy1" {
                stub;
            };
            interface "dummy2" {
                stub;
            };
            interface "dummy3" {
                stub;
            };

        };
}