<?xml version="1.0"?>
<OSPFASConfig xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="OSPF.xsd">

    <Area id="0.0.0.1">
        <AddressRange address="10.10.0.0" mask="255.255.0.0" status="Advertise" />
    </Area>

    <Area id="0.0.0.2">
        <AddressRange address="10.20.0.0" mask="255.255.0.0" status="Advertise" />
    </Area>

    <Area id="0.0.0.3">
        <AddressRange address="10.30.0.0" mask="255.255.0.0" status="Advertise" />
    </Area>

    <Router name="RA1" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp0" areaID="0.0.0.1" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp1" areaID="0.0.0.1" interfaceOutputCost="10" />
        <ExternalInterface ifName="eth0" advertisedExternalNetworkAddress="192.168.0.0" advertisedExternalNetworkMask="255.255.0.0" externalInterfaceOutputCost="10" externalInterfaceOutputType="Type2" forwardingAddress="0.0.0.0" externalRouteTag="0x00" />
    </Router>

    <Router name="RA2" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp0" areaID="0.0.0.1" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp1" areaID="0.0.0.1" interfaceOutputCost="10" />
        <ExternalInterface ifName="eth0" advertisedExternalNetworkAddress="192.169.0.0" advertisedExternalNetworkMask="255.255.0.0" externalInterfaceOutputCost="10" externalInterfaceOutputType="Type2" forwardingAddress="0.0.0.0" externalRouteTag="0x00" />
    </Router>

    <Router name="A" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp2" areaID="0.0.0.1" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp3" areaID="0.0.0.1" interfaceOutputCost="10" />
    </Router>

    <Router name="RB1" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp0" areaID="0.0.0.2" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp1" areaID="0.0.0.2" interfaceOutputCost="10" />
        <ExternalInterface ifName="eth0" advertisedExternalNetworkAddress="192.170.0.0" advertisedExternalNetworkMask="255.255.0.0" externalInterfaceOutputCost="10" externalInterfaceOutputType="Type2" forwardingAddress="0.0.0.0" externalRouteTag="0x00" />
    </Router>

    <Router name="RB2" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp0" areaID="0.0.0.2" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp1" areaID="0.0.0.2" interfaceOutputCost="10" />
        <ExternalInterface ifName="eth0" advertisedExternalNetworkAddress="192.171.0.0" advertisedExternalNetworkMask="255.255.0.0" externalInterfaceOutputCost="10" externalInterfaceOutputType="Type2" forwardingAddress="0.0.0.0" externalRouteTag="0x00" />
    </Router>

    <Router name="B" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp2" areaID="0.0.0.2" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp3" areaID="0.0.0.2" interfaceOutputCost="10" />
    </Router>

    <Router name="RC1" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp0" areaID="0.0.0.3" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp1" areaID="0.0.0.3" interfaceOutputCost="10" />
        <ExternalInterface ifName="eth0" advertisedExternalNetworkAddress="192.172.0.0" advertisedExternalNetworkMask="255.255.0.0" externalInterfaceOutputCost="10" externalInterfaceOutputType="Type2" forwardingAddress="0.0.0.0" externalRouteTag="0x00" />
    </Router>

    <Router name="RC2" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp0" areaID="0.0.0.3" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp1" areaID="0.0.0.3" interfaceOutputCost="10" />
        <ExternalInterface ifName="eth0" advertisedExternalNetworkAddress="192.173.0.0" advertisedExternalNetworkMask="255.255.0.0" externalInterfaceOutputCost="10" externalInterfaceOutputType="Type2" forwardingAddress="0.0.0.0" externalRouteTag="0x00" />
    </Router>

    <Router name="C" RFC1583Compatible="true">
        <PointToPointInterface ifName="ppp2" areaID="0.0.0.3" interfaceOutputCost="10" />
        <PointToPointInterface ifName="ppp3" areaID="0.0.0.3" interfaceOutputCost="10" />
    </Router>

</OSPFASConfig>
