How bird configure multiple instances on ospf?

[曾小小]

I am now in use BIRD in the ospf routing protocol, such as cisco router I
want to use multiple processes on the ospf. This how to achieve it ?

Such as cisco router multi-process examples:

r1 (config) # router ospf 100
r1 (config-router) # network 192.168.3.0 0.0.0.255 area 0
r1 (config-router) # network 10.0.5.0 0.0.0.255 area 0
r1 (config-router) # exit
r1 (config) # router ospf 101
r1 (config-router) # network 10.0.7.0 0.0.0.255 area 1

My configuration is as follows , but I do not know if this configuration is
not multi-process approach.

filter export_OSPF {

    if (source = RTS_STATIC && net = 0.0.0.0 / 0) then {
        print "net accepted:", net;
        ospf_metric2 = 20;
        accept;
    }

    reject;
}

# #
protocol ospf ospf_1 {
        table tab_ospf_1;
        router id x.x.x.x
        debug all;
        export filter export_OSPF;
        import all;
        preference 200;
        area 0.0.0.0 {
                interface "gre0" {
                        hello 10;
                        retransmit 5;
                        cost 10;
                        transmit delay 1;
                        dead count 4;
                        wait 40;
                        type pointopoint;
                        # type pointomultipoint;
                        # type broadcast;
                        priority 0;
                        authentication cryptographic;
                        password "abc";
                } ;
        } ;
}

# #
protocol ospf ospf_2 {
        table tab_ospf_2;
        router id x.x.x.x;
        # Debug all;
        export filter export_OSPF;
        import all;
        preference 200;
        area 0.0.0.0 {
                interface "gre1" {
                        hello 10;
                        retransmit 5;
                        cost 10;
                        transmit delay 1;
                        dead count 4;
                        wait 40;
                        type pointopoint;
                        # type broadcast;
                        # type pointomultipoint;
                        priority 0;
                        authentication cryptographic;
                        password "abc";
                } ;

        } ;
}

Thank you..
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