Ejemplo n.º 1
0
    def _build_bgp_communities(self):
        for router in self.__communities:
            communities_config = self.__communities[router]
            all_al4 = AccessList(family='ipv4',
                                 name='allv4',
                                 entries=('any', ))
            all_al6 = AccessList(family='ipv6',
                                 name='allv6',
                                 entries=('any', ))

            #route-map in
            if "set_local_pref" in communities_config:
                for x in self.__routers:
                    order_rm = 10
                    for community_value in communities_config.get(
                            "set_local_pref", []):
                        local_pref = communities_config["set_local_pref"][
                            community_value]
                        community = CommunityList("loc-pref" +
                                                  str(community_value),
                                                  community=community_value)
                        router.get_config(BGP).set_local_pref(
                            local_pref,
                            from_peer=x,
                            matching=(community, ),
                            name="rm",
                            order=order_rm)
                        order_rm += 10
                    router.get_config(BGP).set_local_pref(100,
                                                          from_peer=x,
                                                          matching=(
                                                              all_al4,
                                                              all_al6,
                                                          ),
                                                          name='rm',
                                                          order=order_rm)

            #route-map out
            for community_value in communities_config.get(
                    "do_not_advertise", []):
                for router_y in self.__routers:
                    community = CommunityList("outbound_blacklist_" +
                                              str(community_value),
                                              community=community_value)
                    as_1, as_2 = self.get_as_of(router), self.get_as_of(
                        router_y)
                    if as_1 != as_2:  #Do not advertise to peer and customer but advertise inside of our AS
                        router.get_config(BGP).deny(name="export-all",
                                                    to_peer=router_y,
                                                    matching=(community, ),
                                                    order=5)

            if "send_community" in communities_config:
                for router_y in self.__routers:
                    router.get_config(BGP).set_community(
                        communities_config["send_community"],
                        to_peer=router_y,
                        name="import-all",
                        matching=(all_al4, all_al6))
Ejemplo n.º 2
0
    def build(self, *args, **kwargs):
        """
                                 +
                           AS1   |   AS4
        +-------+                |
        | as1r1 +--------+       |
        +---+---+        |       |
          2 |            |       |
        +---+---+    +---+---+   |   +-------+
        | as1r3 +----+ as1r6 +-------+ as4r1 +--------+
        +---+---+    +---+---+   |   +-------+        |
            |            |       |                    |
        +---+---+        |       |                 +--+--+     +-------+
        | as1r2 |        |       |                 | s4  +-----+ as4h1 |
        +---+---+        |       |                 +--+--+     +-------+
          4 |            |       |                    |
        +---+---+    +---+---+   |   +-------+        |
        | as1r4 +----+ as1r5 +-------+ as4r2 +--------+
        +-------+    +-------+   |   +-------+
                                 |
                                 +
        """

        # Add all routers
        as1r1 = self.bgp('as1r1')
        as1r2 = self.bgp('as1r2')
        as1r3 = self.bgp('as1r3')
        as1r4 = self.bgp('as1r4')
        as1r5 = self.bgp('as1r5',
                         family=AF_INET6(redistribute=('ospf6', 'connected')))
        as1r6 = self.bgp('as1r6',
                         family=AF_INET6(redistribute=('ospf6', 'connected')))
        as4r1 = self.bgp('as4r1',
                         family=AF_INET6(networks=('dead:beef::/32', )))
        as4r2 = self.bgp('as4r2',
                         family=AF_INET6(networks=('dead:beef::/32', )))

        # Add the host and the switch
        as4h1 = self.addHost('as4h1')
        switch = self.addSwitch('s4')

        # Add Links
        self.addLink(as1r1, as1r6)
        self.addLink(as1r1, as1r3, igp_metric=2)
        self.addLinks((as1r3, as1r2), (as1r3, as1r6))
        self.addLink(as1r2, as1r4, igp_metric=4)
        self.addLinks((as1r4, as1r5), (as1r5, as1r6), (as4r1, as1r6),
                      (as4r2, as1r5), (as4r1, switch), (as4r2, switch),
                      (switch, as4h1))
        self.addSubnet((as4r1, as4r2, as4h1), subnets=('dead:beef::/32', ))

        al = AccessList(name='all', entries=('any', ))
        as1r6.get_config(BGP).set_local_pref(99,
                                             from_peer=as4r1,
                                             matching=(al, ))
        as1r5.get_config(BGP).set_local_pref(50,
                                             from_peer=as4r2,
                                             matching=(al, ))

        # Add full mesh
        self.addAS(4, (as4r1, as4r2))
        self.addiBGPFullMesh(1, (as1r1, as1r2, as1r3, as1r4, as1r5, as1r6))

        # Add eBGP session
        ebgp_session(self, as1r6, as4r1)
        ebgp_session(self, as1r5, as4r2)

        super().build(*args, **kwargs)
Ejemplo n.º 3
0
    def build(self, *args, **kwargs):
        """
        Topo from slide 26 iBGP
		"""

        # Add all routers
        as1r1 = self.bgp('as1r1')
        as1r2 = self.bgp('as1r2')
        as1r3 = self.bgp('as1r3')
        as1r4 = self.bgp('as1r4')
        as1r5 = self.bgp('as1r5')
        as1r6 = self.bgp('as1r6')
        as4r1 = self.bgp('as4r1')
        as4r2 = self.bgp('as4r2')
        as3r1 = self.bgp('as3r1')
        as3r2 = self.bgp('as3r2')
        as2r1 = self.addRouter('as2r1')
        as2r1.addDaemon(
            BGP, address_families=(AF_INET6(networks=('dead:beef::/32', )), ))
        as2h1 = self.addHost("as2h1")
        as1h1 = self.addHost("as1h1")
        as1h2 = self.addHost("as1h2")
        as1h3 = self.addHost("as1h3")
        as1h4 = self.addHost("as1h4")
        as1h5 = self.addHost("as1h5")
        as1h6 = self.addHost("as1h6")

        # Add Links
        self.addLink(as1r1,
                     as1r6,
                     params1={"ip": ("fd00:1:1::1/48", )},
                     params2={"ip": ("fd00:1:1::2/48", )})
        self.addLink(as1r1,
                     as1r3,
                     params1={"ip": ("fd00:1:2::1/48", )},
                     params2={"ip": ("fd00:1:2::2/48", )})
        self.addLink(as1r3,
                     as1r2,
                     params1={"ip": ("fd00:1:4::1/48", )},
                     params2={"ip": ("fd00:1:4::2/48", )})
        self.addLink(as1r3,
                     as1r6,
                     params1={"ip": ("fd00:1:3::1/48", )},
                     params2={"ip": ("fd00:1:3::2/48", )})
        self.addLink(as1r2,
                     as1r4,
                     params1={"ip": ("fd00:1:5::1/48", )},
                     params2={"ip": ("fd00:1:5::2/48", )})
        self.addLink(as1r4,
                     as1r5,
                     params1={"ip": ("fd00:1:6::1/48", )},
                     params2={"ip": ("fd00:1:6::2/48", )})
        self.addLink(as1r5,
                     as1r6,
                     params1={"ip": ("fd00:1:7::1/48", )},
                     params2={"ip": ("fd00:1:7::2/48", )})
        self.addLink(as4r1,
                     as1r5,
                     params1={"ip": ("fd00:4:2::1/48", )},
                     params2={"ip": ("fd00:4:2::2/48", )})
        self.addLink(as4r2,
                     as1r4,
                     params1={"ip": ("fd00:4:1::1/48", )},
                     params2={"ip": ("fd00:4:1::2/48", )})
        self.addLink(as3r2,
                     as1r1,
                     params1={"ip": ("fd00:3:1::1/48", )},
                     params2={"ip": ("fd00:3:1::2/48", )})
        self.addLink(as3r1,
                     as1r6,
                     params1={"ip": ("fd00:3:2::1/48", )},
                     params2={"ip": ("fd00:3:2::2/48", )})
        self.addLink(as3r1,
                     as3r2,
                     params1={"ip": ("fd00:3:3::1/48", )},
                     params2={"ip": ("fd00:3:3::2/48", )},
                     igp_cost=7)
        self.addLink(as3r1,
                     as2r1,
                     params1={"ip": ("fd00:2:1::1/48", )},
                     params2={"ip": ("fd00:2:1::2/48", )})
        self.addLink(as2r1,
                     as4r1,
                     params1={"ip": ("fd00:2:2::1/48", )},
                     params2={"ip": ("fd00:2:2::2/48", )})
        self.addLink(as4r1,
                     as4r2,
                     params1={"ip": ("fd00:4:3::1/48", )},
                     params2={"ip": ("fd00:4:3::2/48", )},
                     igp_cost=2)
        self.addLink(as2r1,
                     as2h1,
                     params1={"ip": ("dead:beef::1/32", )},
                     params2={"ip": ("dead:beef::2/32", )})

        self.addLink(as1r1, as1h1)
        self.addLink(as1r2, as1h2)
        self.addLink(as1r3, as1h3)
        self.addLink(as1r4, as1h4)
        self.addLink(as1r5, as1h5)
        self.addLink(as1r6, as1h6)

        # Set Med
        al = AccessList(name='all', entries=('any', ))
        as3r2.get_config(BGP).set_med(7, to_peer=as1r1, matching=(al, ))
        as3r1.get_config(BGP).set_med(0, to_peer=as1r6, matching=(al, ))
        as4r1.get_config(BGP).set_med(0, to_peer=as1r5, matching=(al, ))
        as4r2.get_config(BGP).set_med(2, to_peer=as1r4, matching=(al, ))

        # Add full mesh
        self.addAS(2, (as2r1, ))
        self.addiBGPFullMesh(3, routers=[as3r1, as3r2])
        self.addiBGPFullMesh(4, routers=[as4r1, as4r2])
        self.addiBGPFullMesh(
            1, routers=[as1r1, as1r2, as1r3, as1r4, as1r5, as1r6])

        # Add eBGP session
        ebgp_session(self, as1r6, as3r1)
        ebgp_session(self, as1r1, as3r2)
        ebgp_session(self, as1r4, as4r2)
        ebgp_session(self, as1r5, as4r1)
        ebgp_session(self, as3r1, as2r1)
        ebgp_session(self, as2r1, as4r1)

        super(MedBGPTopo, self).build(*args, **kwargs)
Ejemplo n.º 4
0
    def build(self, *args, **kwargs):

        # Routers AS4
        as4r1 = self.bgp('as4r1')
        as4r2 = self.bgp('as4r2')
        as4r3 = self.bgp('as4r3')
        as4r4 = self.bgp('as4r4')
        as4r5 = self.bgp('as4r5')
        h1 = self.addHost('h1')

        # Routers AS3
        as3r1 = self.bgp('as3r1')
        as3r2 = self.bgp('as3r2')
        as3r3 = self.bgp('as3r3')

        # Routers AS2
        as2r1 = self.bgp('as2r1')
        as2r2 = self.bgp('as2r2')
        as2r3 = self.bgp('as2r3')

        # Routers AS1
        as1r1 = self.bgp('as1r1')
        as1r2 = self.bgp('as1r2')
        as1r3 = self.bgp('as1r3')
        as1r4 = self.bgp('as1r4')
        as1r5 = self.bgp('as1r5')
        h2 = self.addHost('h2')

        # Links AS4
        self.addLink(as4r1,
                     as4r5,
                     params1={"ip": "2001:4:1::1/64"},
                     params2={"ip": "2001:4:1::5/64"},
                     igp_metric=5)
        self.addLink(as4r2,
                     as4r5,
                     params1={"ip": "2001:4:2::2/64"},
                     params2={"ip": "2001:4:2::5/64"},
                     igp_metric=5)
        self.addLink(as4r3,
                     as4r5,
                     params1={"ip": "2001:4:3::3/64"},
                     params2={"ip": "2001:4:3::5/64"},
                     igp_metric=5)
        self.addLink(as4r4,
                     as4r5,
                     params1={"ip": "2001:4:4::4/64"},
                     params2={"ip": "2001:4:4::5/64"},
                     igp_metric=5)

        self.addLink(as4r5,
                     h1,
                     params1={"ip": "dead:beef::/48"},
                     params2={"ip": "dead:beef::1/48"})

        # Links AS3
        self.addLink(as3r1,
                     as3r2,
                     params1={"ip": "2001:3:1::1/64"},
                     params2={"ip": "2001:3:1::2/64"},
                     igp_metric=5)
        self.addLink(as3r1,
                     as3r3,
                     params1={"ip": "2001:3:2::1/64"},
                     params2={"ip": "2001:3:2::3/64"},
                     igp_metric=5)
        self.addLink(as3r2,
                     as3r3,
                     params1={"ip": "2001:3:3::2/64"},
                     params2={"ip": "2001:3:3::3/64"},
                     igp_metric=5)

        # Links AS2
        self.addLink(as2r1,
                     as2r2,
                     params1={"ip": "2001:2:1::1/64"},
                     params2={"ip": "2001:2:1::2/64"},
                     igp_metric=15)
        self.addLink(as2r1,
                     as2r3,
                     params1={"ip": "2001:2:2::1/64"},
                     params2={"ip": "2001:2:2::3/64"},
                     igp_metric=5)

        # Links AS1
        self.addLink(as1r1,
                     as1r4,
                     params1={"ip": "2001:1:1::1/64"},
                     params2={"ip": "2001:1:1::4/64"},
                     igp_metric=10,
                     igp_area='1.1.1.1')
        self.addLink(as1r1,
                     as1r5,
                     params1={"ip": "2001:1:2::1/64"},
                     params2={"ip": "2001:1:2::5/64"},
                     igp_metric=2,
                     igp_area='1.1.1.1')
        self.addLink(as1r4,
                     as1r2,
                     params1={"ip": "2001:1:4::4/64"},
                     params2={"ip": "2001:1:4::2/64"},
                     igp_metric=10,
                     igp_area='1.1.1.1')
        self.addLink(as1r5,
                     as1r3,
                     params1={"ip": "2001:1:5::5/64"},
                     params2={"ip": "2001:1:5::3/64"},
                     igp_metric=3,
                     igp_area='1.1.1.1')

        self.addLink(as1r1,
                     h2,
                     params1={"ip": "cafe:deca::/48"},
                     params2={"ip": "cafe:deca::2/48"})

        # Inter-AS Links
        self.addLink(as4r4,
                     as2r1,
                     params1={"ip": "2001:4:2::14/64"},
                     params2={"ip": "2001:4:2::11/64"})
        self.addLink(as4r3,
                     as2r3,
                     params1={"ip": "2001:4:2::13/64"},
                     params2={"ip": "2001:4:2::12/64"})
        self.addLink(as4r2,
                     as3r2,
                     params1={"ip": "2001:4:3::12/64"},
                     params2={"ip": "2001:4:3::13/64"})
        self.addLink(as4r1,
                     as3r1,
                     params1={"ip": "2001:4:3::14/64"},
                     params2={"ip": "2001:4:3::15/64"})
        self.addLink(as3r3,
                     as1r3,
                     params1={"ip": "2001:3:1::13/64"},
                     params2={"ip": "2001:3:1::11/64"})
        self.addLink(as2r2,
                     as1r2,
                     params1={"ip": "2001:2:1::12/64"},
                     params2={"ip": "2001:2:1::11/64"})
        self.addLink(as2r3,
                     as1r3,
                     params1={"ip": "2001:2:1::13/64"},
                     params2={"ip": "2001:2:1::14/64"},
                     igp_metric=4)

        #filter
        al_filter = AccessList(name='all', entries=('dead:beef::1/48', ))
        as4r2.get_config(BGP).filter('h1filter',
                                     to_peer=as3r2,
                                     matching=(al_filter, ))
        as4r1.get_config(BGP).filter('h1filter',
                                     to_peer=as3r1,
                                     matching=(al_filter, ))

        # Set AS-ownerships
        self.addAS(1, (as1r1, as1r2, as1r3, as1r4, as1r5))
        self.addAS(2, (as2r1, as2r2, as2r3))
        self.addAS(3, (as3r1, as3r2, as3r3))
        self.addAS(4, (as4r1, as4r2, as4r3, as4r4, as4r5))

        # Add iBGP full mesh
        self.addiBGPFullMesh(1, routers=[as1r1, as1r2, as1r3, as1r4, as1r5])
        self.addiBGPFullMesh(2, routers=[as2r1, as2r2, as2r3])
        self.addiBGPFullMesh(3, routers=[as3r1, as3r2, as3r3])
        self.addiBGPFullMesh(4, routers=[as4r1, as4r2, as4r3, as4r4, as4r5])

        # Add eBGP session
        ebgp_session(self, as4r4, as2r1)
        ebgp_session(self, as4r3, as2r3)
        ebgp_session(self, as4r2, as3r2)
        ebgp_session(self, as4r1, as3r1)
        ebgp_session(self, as3r3, as1r3)
        ebgp_session(self, as2r2, as1r2)
        ebgp_session(self, as2r3, as1r3)

        super(BGP_FilterOut, self).build(*args, **kwargs)
Ejemplo n.º 5
0
    def build(self, *args, **kwargs):
        #Adressage IP Routeur IPV4

        serveur_ipv4 = "160.72.247."

        nwk_ipv4 = "160.72.241."
        bhs_ipv4 = "160.72.242."
        chi_ipv4 = "160.72.243."
        ash_ipv4 = "160.72.244."

        europe_ipv4 = "160.72.245."
        asia_ipv4 = "160.72.246."

        #Adressage IP Routeur IPV6

        serveur_ipv6 = "2010:1000:0000:0"

        usa_ipv6 = "2010:1100:0000:0"
        europe_ipv6 = "2010:1200:0000:0"
        asia_ipv6 = "2010:1300:0000:0"

        # Building OVH Network
        # test routers used for pingall when checking eBGP
        # Building New York routers
        nwk_1 = self.addRouter(
            "nwk_1", lo_addresses=[usa_ipv6 + "000::/64", nwk_ipv4 + "100/24"])
        nwk_5 = self.addRouter(
            "nwk_5", lo_addresses=[usa_ipv6 + "100::/64", nwk_ipv4 + "110/24"])
        # Building Bhs routers
        bhs_g1 = self.addRouter(
            "bhs_g1",
            lo_addresses=[usa_ipv6 + "200::/64", bhs_ipv4 + "100/24"])
        bhs_g2 = self.addRouter(
            "bhs_g2",
            lo_addresses=[usa_ipv6 + "300::/64", bhs_ipv4 + "110/24"])
        # Building Chicago routers
        chi_1 = self.addRouter(
            "chi_1", lo_addresses=[usa_ipv6 + "400::/64", chi_ipv4 + "100/24"])
        chi_5 = self.addRouter(
            "chi_5", lo_addresses=[usa_ipv6 + "500::/64", chi_ipv4 + "110/24"])
        # Building Ashburn routers
        ash_1 = self.addRouter(
            "ash_1", lo_addresses=[usa_ipv6 + "600::/64", ash_ipv4 + "100/24"])
        ash_5 = self.addRouter(
            "ash_5", lo_addresses=[usa_ipv6 + "700::/64", ash_ipv4 + "110/24"])
        # Building europe's routers abstractly
        europe = self.addRouter(
            "europe",
            lo_addresses=[europe_ipv6 + "000::/64", europe_ipv4 + "100/24"])
        # Building asia's routers abstractly
        asia = self.addRouter(
            "asia",
            lo_addresses=[asia_ipv6 + "000::/64", asia_ipv4 + "100/24"])

        routers = self.routers()
        prefix = {
            routers[i]: '2001:100:%04x::/48' % i
            for i in range(len(routers))
        }
        nwk_1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[nwk_1],
                                                 ('2001:3c::/64'))), ),
            routerid='1.1.1.1')
        nwk_5.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[nwk_5], )), ),
            routerid='1.1.1.2')
        bhs_g1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[bhs_g1], )), ),
            routerid='1.1.1.3')
        bhs_g2.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[bhs_g2], )), ),
            routerid='1.1.1.4')
        chi_1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[chi_1], )), ),
            routerid='1.1.1.5')
        chi_5.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[chi_5], )), ),
            routerid='1.1.1.6')
        ash_1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[ash_1], )), ),
            routerid='1.1.1.7')
        ash_5.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[ash_5], )), ),
            routerid='1.1.1.8')
        europe.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[europe],
                                                 ('2001:3c::/64'))), ),
            routerid='1.1.2.9')
        asia.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=(prefix[asia],
                                                 ('2001:3c::/64'))), ),
            routerid='1.1.3.10')

        # Adding Links  and igp_metrics between OVH routers and ip local adress ipv6
        las1 = self.addLink(nwk_1, nwk_5)
        las1[nwk_1].addParams(ip6=(usa_ipv6 + "000::1/64"),
                              ip4=(nwk_ipv4 + "101/24"))
        las1[nwk_5].addParams(ip6=(usa_ipv6 + "100::1/64"),
                              ip4=(nwk_ipv4 + "111/24"))
        las2 = self.addLink(bhs_g1, bhs_g2)
        las2[bhs_g1].addParams(ip6=(usa_ipv6 + "200::1/64"),
                               ip4=(bhs_ipv4 + "101/24"))
        las2[bhs_g2].addParams(ip6=(usa_ipv6 + "300::1/64"),
                               ip4=(bhs_ipv4 + "111/24"))
        las3 = self.addLink(ash_1, ash_5)
        las3[ash_1].addParams(ip6=(usa_ipv6 + "600::1/64"),
                              ip4=(ash_ipv4 + "101/24"))
        las3[ash_5].addParams(ip6=(usa_ipv6 + "700::1/64"),
                              ip4=(ash_ipv4 + "111/24"))
        las4 = self.addLink(chi_1, chi_5)
        las4[chi_1].addParams(ip6=(usa_ipv6 + "400::1/64"),
                              ip4=(chi_ipv4 + "101/24"))
        las4[chi_5].addParams(ip6=(usa_ipv6 + "500::1/64"),
                              ip4=(chi_ipv4 + "111/24"))

        las11 = self.addLink(nwk_1, bhs_g1)
        las11[nwk_1].addParams(ip6=(usa_ipv6 + "000::2/64"),
                               ip4=(nwk_ipv4 + "102/24"))
        las11[bhs_g1].addParams(ip6=(usa_ipv6 + "200::2/64"),
                                ip4=(bhs_ipv4 + "102/24"))
        las12 = self.addLink(nwk_1, ash_1)
        las12[nwk_1].addParams(ip6=(usa_ipv6 + "000::3/64"),
                               ip4=(nwk_ipv4 + "103/24"))
        las12[ash_1].addParams(ip6=(usa_ipv6 + "600::2/64"),
                               ip4=(ash_ipv4 + "102/24"))
        las13 = self.addLink(nwk_5, bhs_g2)
        las13[nwk_5].addParams(ip6=(usa_ipv6 + "100::2/64"),
                               ip4=(nwk_ipv4 + "112/24"))
        las13[bhs_g2].addParams(ip6=(usa_ipv6 + "300::2/64"),
                                ip4=(bhs_ipv4 + "112/24"))
        las14 = self.addLink(nwk_5, ash_5)
        las14[nwk_5].addParams(ip6=(usa_ipv6 + "100::3/64"),
                               ip4=(nwk_ipv4 + "113/24"))
        las14[ash_5].addParams(ip6=(usa_ipv6 + "700::2/64"),
                               ip4=(ash_ipv4 + "112/24"))

        las41 = self.addLink(chi_1, bhs_g1, igp_metric=3)
        las41[chi_1].addParams(ip6=(usa_ipv6 + "400::2/64"),
                               ip4=(chi_ipv4 + "102/24"))
        las41[bhs_g1].addParams(ip6=(usa_ipv6 + "200::3/64"),
                                ip4=(bhs_ipv4 + "103/24"))
        las42 = self.addLink(chi_1, ash_1, igp_metric=3)
        las42[chi_1].addParams(ip6=(usa_ipv6 + "400::3/64"),
                               ip4=(chi_ipv4 + "103/24"))
        las42[ash_1].addParams(ip6=(usa_ipv6 + "600::3/64"),
                               ip4=(ash_ipv4 + "103/24"))
        las43 = self.addLink(chi_5, bhs_g2, igp_metric=3)
        las43[chi_5].addParams(ip6=(usa_ipv6 + "500::2/64"),
                               ip4=(chi_ipv4 + "112/24"))
        las43[bhs_g2].addParams(ip6=(usa_ipv6 + "300::3/64"),
                                ip4=(bhs_ipv4 + "113/24"))
        las44 = self.addLink(chi_5, ash_5, igp_metric=3)
        las44[chi_5].addParams(ip6=(usa_ipv6 + "500::3/64"),
                               ip4=(chi_ipv4 + "113/24"))
        las44[ash_5].addParams(ip6=(usa_ipv6 + "700::3/64"),
                               ip4=(ash_ipv4 + "113/24"))
        # Connecting US TO EU
        las15 = self.addLink(nwk_1, europe, igp_metric=30)  # 30
        las15[nwk_1].addParams(ip6=(usa_ipv6 + "000::4/64"),
                               ip4=(nwk_ipv4 + "104/24"))
        las15[europe].addParams(ip6=(europe_ipv6 + "000::1/64"),
                                ip4=(europe_ipv4 + "101/24"))
        las16 = self.addLink(nwk_5, europe, igp_metric=30)  # 30
        las16[nwk_5].addParams(ip6=(usa_ipv6 + "100::4/64"),
                               ip4=(nwk_ipv4 + "114/24"))
        las16[europe].addParams(ip6=(europe_ipv6 + "000::2/64"),
                                ip4=(europe_ipv4 + "102/24"))
        # Connection EU to AS
        las5 = self.addLink(europe, asia, igp_metric=40)  # 40
        las5[europe].addParams(ip6=(europe_ipv6 + "000::3/64"),
                               ip4=(europe_ipv4 + "103/24"))
        las5[asia].addParams(ip6=(asia_ipv6 + "000::1/64"),
                             ip4=(asia_ipv4 + "101/24"))
        # Connecting US to AS
        las51 = self.addLink(asia, chi_1, igp_metric=50)  # 50
        las51[chi_1].addParams(ip6=(usa_ipv6 + "400::4/64"),
                               ip4=(chi_ipv4 + "104/24"))
        las51[asia].addParams(ip6=(asia_ipv6 + "000::2/64"),
                              ip4=(asia_ipv4 + "102/24"))
        las52 = self.addLink(asia, chi_5, igp_metric=50)  # 50
        las52[chi_5].addParams(ip6=(usa_ipv6 + "500::4/64"),
                               ip4=(chi_ipv4 + "114/24"))
        las52[asia].addParams(ip6=(asia_ipv6 + "000::3/64"),
                              ip4=(asia_ipv4 + "103/24"))

        # Adding OVH AS
        as16276_routers = [
            nwk_1, nwk_5, bhs_g1, bhs_g2, chi_1, chi_5, ash_1, ash_5, europe,
            asia
        ]

        # Adding OSPF6v3 and BGP to OVH Network
        for r in as16276_routers:
            r.addDaemon(OSPF6)

        self.addAS(16276, (nwk_1, nwk_5, bhs_g1, bhs_g2, chi_1, chi_5, ash_1,
                           ash_5, europe, asia))
        # Setting up OVH Network Route Reflectors
        set_rr(self,
               rr=nwk_1,
               peers=[
                   nwk_5, bhs_g1, bhs_g2, chi_1, chi_5, ash_1, ash_5, europe,
                   asia
               ])
        set_rr(self,
               rr=chi_1,
               peers=[
                   nwk_1, nwk_5, bhs_g1, bhs_g2, chi_5, ash_1, ash_5, europe,
                   asia
               ])

        #############################################################
        #                                                           #
        #              STUB                                         #
        #                                                           #
        #############################################################

        #Adressage IPv4

        as16509_ipv4 = "162.61.1."
        as7843_ipv4 = "162.62.1."

        #Adressage IPv6

        as16509_ipv6 = "2010:2100:0000:0"
        as7843_ipv6 = "2010:2200:0000:0"

        # Building AS16509 (AMAZON)
        as16509_ash_1_amazon = self.addHost("amazon_1")
        as16509_ash_5_amazon = self.addHost("amazon_2")
        #Routers + loopback
        as16509_r1 = self.addRouter(
            "as16509_r1",
            lo_addresses=[as16509_ipv6 + "000::/64", as16509_ipv4 + "100/24"])
        as16509_r2 = self.addRouter(
            "as16509_r2",
            lo_addresses=[as16509_ipv6 + "100::/64", as16509_ipv4 + "110/24"])
        # Linking AS16509 (AMAZON) to its router
        ma1 = self.addLink(as16509_ash_1_amazon, as16509_r1)
        #as16509_ash_1_amazon et as16509_ash_5_amazon ont des adresses ipv6 et ipv4 proche de ash1 et ash5 par choix
        ma1[as16509_ash_1_amazon].addParams(ip6=(usa_ipv6 + "610::1/64"),
                                            ip4=(ash_ipv4 + "150/24"))
        ma1[as16509_r1].addParams(ip6=(as16509_ipv6 + "000::1/64"),
                                  ip4=(as16509_ipv4 + "101/24"))
        ma2 = self.addLink(as16509_ash_5_amazon, as16509_r2)
        ma2[as16509_ash_5_amazon].addParams(ip6=(usa_ipv6 + "710::1/64"),
                                            ip4=(ash_ipv4 + "160/24"))
        ma2[as16509_r2].addParams(ip6=(as16509_ipv6 + "100::1/64"),
                                  ip4=(as16509_ipv4 + "111/24"))
        ma3 = self.addLink(as16509_r1, as16509_r2)
        ma3[as16509_r1].addParams(ip6=(as16509_ipv6 + "000::2/64"),
                                  ip4=(as16509_ipv4 + "102/24"))
        ma3[as16509_r2].addParams(ip6=(as16509_ipv6 + "100::2/64"),
                                  ip4=(as16509_ipv4 + "112/24"))

        as16509_routers = [as16509_r1, as16509_r2]
        # Adding OSPF6v3 and BGP to AS174 (Cogent)
        for r in as16509_routers:
            r.addDaemon(OSPF6)

        as16509_r1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:200:1::/48", )), ),
            routerid='1.2.1.1')
        as16509_r2.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:200:2::/48", )), ),
            routerid='1.2.1.2')
        self.addAS(16509, (as16509_r1, as16509_r2))
        # Building physical links between AS16509 (AMAZON) and OVH
        lam1 = self.addLink(as16509_r1, ash_1)
        lam1[as16509_r1].addParams(ip6=(as16509_ipv6 + "000::3/64"),
                                   ip4=(as16509_ipv4 + "103/24"))
        lam1[ash_1].addParams(ip6=(usa_ipv6 + "600::4/64"),
                              ip4=(ash_ipv4 + "104/24"))
        lam2 = self.addLink(as16509_r1, ash_5)
        lam2[as16509_r1].addParams(ip6=(as16509_ipv6 + "000::4/64"),
                                   ip4=(as16509_ipv4 + "104/24"))
        lam2[ash_5].addParams(ip6=(usa_ipv6 + "700::4/64"),
                              ip4=(ash_ipv4 + "114/24"))
        lam3 = self.addLink(as16509_r2, ash_1)
        lam3[as16509_r2].addParams(ip6=(as16509_ipv6 + "100::3/64"),
                                   ip4=(as16509_ipv4 + "113/24"))
        lam3[ash_1].addParams(ip6=(usa_ipv6 + "600::5/64"),
                              ip4=(ash_ipv4 + "105/24"))
        lam4 = self.addLink(as16509_r2, ash_5)
        lam4[as16509_r2].addParams(ip6=(as16509_ipv6 + "100::4/64"),
                                   ip4=(as16509_ipv4 + "114/24"))
        lam4[ash_5].addParams(ip6=(usa_ipv6 + "700::5/64"),
                              ip4=(ash_ipv4 + "115/24"))
        ebgp_session(self, as16509_r1, ash_1, link_type=SHARE)
        ebgp_session(self, as16509_r2, ash_1, link_type=SHARE)

        # Building as7843 (CHARTER) , routers and links
        as7843_chi_1_charter = self.addHost("charter_1")
        as7843_ash_1_charter = self.addHost("charter_2")
        #Routers + loopback
        as7843_r1 = self.addRouter(
            "as7843_r1",
            lo_addresses=[as7843_ipv6 + "000::/64", as7843_ipv4 + "100/24"])
        as7843_r2 = self.addRouter(
            "as7843_r2",
            lo_addresses=[as7843_ipv6 + "100::/64", as7843_ipv4 + "110/24"])
        # Linking as7843 (CHARTER) to its router
        mo1 = self.addLink(as7843_chi_1_charter, as7843_r1)
        #as7843_chi_1_charter et as7843_ash_1_charter ont des adresses proches respectivement de chi_1 et de ash_1
        mo1[as7843_chi_1_charter].addParams(ip6=(usa_ipv6 + "410::1/64"),
                                            ip4=(chi_ipv4 + "150/24"))
        mo1[as7843_r1].addParams(ip6=(as7843_ipv6 + "000::1/64"),
                                 ip4=(as7843_ipv4 + "101/24"))
        mo2 = self.addLink(as7843_ash_1_charter, as7843_r1)
        mo2[as7843_ash_1_charter].addParams(ip6=(usa_ipv6 + "620::/64"),
                                            ip4=(ash_ipv4 + "170/24"))
        mo2[as7843_r1].addParams(ip6=(as7843_ipv6 + "000::2/64"),
                                 ip4=(as7843_ipv4 + "102/24"))
        mo3 = self.addLink(as7843_r1, as7843_r2)
        mo3[as7843_r1].addParams(ip6=(as7843_ipv6 + "000::3/64"),
                                 ip4=(as7843_ipv4 + "103/24"))
        mo3[as7843_r2].addParams(ip6=(as7843_ipv6 + "100::1/64"),
                                 ip4=(as7843_ipv4 + "111/24"))

        as7843_routers = [as7843_r1, as7843_r2]
        # Adding OSPF6v3 and BGP to AS174 (Cogent)
        for r in as7843_routers:
            r.addDaemon(OSPF6)

        as7843_r1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:300:1::/48", )), ),
            routerid='1.3.1.1')
        as7843_r2.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:300:2::/48", )), ),
            routerid='1.3.1.2')
        self.addAS(7843, (as7843_r1, as7843_r2))
        # Building physical links between as7843 (CHARTER) and OVH
        lach1 = self.addLink(as7843_r1, chi_1)
        lach1[as7843_r1].addParams(ip6=(as7843_ipv6 + "000::4/64"),
                                   ip4=(as7843_ipv4 + "104/24"))
        lach1[chi_1].addParams(ip6=(usa_ipv6 + "400::5/64"),
                               ip4=(chi_ipv4 + "105/24"))
        lach2 = self.addLink(as7843_r1, ash_1)
        lach2[as7843_r1].addParams(ip6=(as7843_ipv6 + "000::5/64"),
                                   ip4=(as7843_ipv4 + "105/24"))
        lach2[ash_1].addParams(ip6=(usa_ipv6 + "600::6/64"),
                               ip4=(ash_ipv4 + "106/24"))
        lach3 = self.addLink(as7843_r2, chi_1)
        lach3[as7843_r2].addParams(ip6=(as7843_ipv6 + "100::2/64"),
                                   ip4=(as7843_ipv4 + "112/24"))
        lach3[chi_1].addParams(ip6=(usa_ipv6 + "400::6/64"),
                               ip4=(chi_ipv4 + "106/24"))
        lach4 = self.addLink(as7843_r2, ash_1)
        lach4[as7843_r2].addParams(ip6=(as7843_ipv6 + "100::3/64"),
                                   ip4=(as7843_ipv4 + "113/24"))
        lach4[ash_1].addParams(ip6=(usa_ipv6 + "600::7/64"),
                               ip4=(ash_ipv4 + "107/24"))
        ebgp_session(self, as7843_r1, chi_1, link_type=SHARE)
        ebgp_session(self, as7843_r2, ash_1, link_type=SHARE)

        #############################################################
        #                                                           #
        #              TRANSIT                                      #
        #                                                           #
        #############################################################

        #Adressage IPv4

        as1299_ipv4 = "162.63.1."
        as174_ipv4 = "162.64.1."
        as3356_ipv4 = "162.65.1."

        #Adressage IPv6

        as1299_ipv6 = "2010:2300:0000:0"
        as174_ipv6 = "2010:2400:0000:0"
        as3356_ipv6 = "2010:2500:0000:0"

        # Building AS1299 (TElIA) , routers and links
        as1299_nwk_1_telia = self.addHost("telia_1")
        as1299_nwk_5_telia = self.addHost("telia_2")
        as1299_chi_5_telia = self.addHost("telia_3")
        as1299_ash_5_telia = self.addHost("telia_4")

        #Routers + loopback
        as1299_r1 = self.addRouter(
            "as1299_r1",
            lo_addresses=[as1299_ipv6 + "000::/64", as1299_ipv4 + "100/24"])
        as1299_r2 = self.addRouter(
            "as1299_r2",
            lo_addresses=[as1299_ipv6 + "100::/64", as1299_ipv4 + "110/24"])

        # Linking AS1299 (TElIA) to its router
        ta1 = self.addLink(as1299_nwk_1_telia, as1299_r1)
        ta1[as1299_nwk_1_telia].addParams(ip6=(usa_ipv6 + "010::/64"),
                                          ip4=(nwk_ipv4 + "150/24"))
        ta1[as1299_r1].addParams(ip6=(as1299_ipv6 + "000::1/64"),
                                 ip4=(as1299_ipv4 + "101/24"))
        ta2 = self.addLink(as1299_nwk_5_telia, as1299_r1)
        ta2[as1299_nwk_5_telia].addParams(ip6=(usa_ipv6 + "110::/64"),
                                          ip4=(nwk_ipv4 + "160/24"))
        ta2[as1299_r1].addParams(ip6=(as1299_ipv6 + "000::2/64"),
                                 ip4=(as1299_ipv4 + "102/24"))
        ta3 = self.addLink(as1299_chi_5_telia, as1299_r2)
        ta3[as1299_chi_5_telia].addParams(ip6=(usa_ipv6 + "510::/64"),
                                          ip4=(chi_ipv4 + "160/24"))
        ta3[as1299_r2].addParams(ip6=(as1299_ipv6 + "100::1/64"),
                                 ip4=(as1299_ipv4 + "111/24"))
        ta4 = self.addLink(as1299_ash_5_telia, as1299_r2)
        ta4[as1299_ash_5_telia].addParams(ip6=(usa_ipv6 + "720::1/64"),
                                          ip4=(ash_ipv4 + "180/24"))
        ta4[as1299_r2].addParams(ip6=(as1299_ipv6 + "100::2/64"),
                                 ip4=(as1299_ipv4 + "112/24"))
        ta5 = self.addLink(as1299_r1, as1299_r2)
        ta5[as1299_r1].addParams(ip6=(as1299_ipv6 + "000::3/64"),
                                 ip4=(as1299_ipv4 + "103/24"))
        ta5[as1299_r2].addParams(ip6=(as1299_ipv6 + "100::3/64"),
                                 ip4=(as1299_ipv4 + "113/24"))

        as1299_routers = [as1299_r1, as1299_r2]
        # Adding OSPF6v3 and BGP to AS174 (Cogent)
        for r in as1299_routers:
            r.addDaemon(OSPF6)
        as1299_r1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:400:1::/48", )), ),
            routerid='1.4.1.1')
        as1299_r2.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:400:2::/48", )), ),
            routerid='1.4.1.2')
        self.addAS(1299, (as1299_r1, as1299_r2))
        # Building physical links between AS1299 (TElIA) and OVH
        lok1 = self.addLink(as1299_r1, nwk_1)
        lok1[as1299_r1].addParams(ip6=(as1299_ipv6 + "000::4/64"),
                                  ip4=(as1299_ipv4 + "104/24"))
        lok1[nwk_1].addParams(ip6=(usa_ipv6 + "000::5/64"),
                              ip4=(nwk_ipv4 + "105/24"))
        lok2 = self.addLink(as1299_r1, nwk_5)
        lok2[as1299_r1].addParams(ip6=(as1299_ipv6 + "000::5/64"),
                                  ip4=(as1299_ipv4 + "105/24"))
        lok2[nwk_5].addParams(ip6=(usa_ipv6 + "100::5/64"),
                              ip4=(nwk_ipv4 + "115/24"))
        lok3 = self.addLink(as1299_r2, chi_5)
        lok3[as1299_r2].addParams(ip6=(as1299_ipv6 + "100::4/64"),
                                  ip4=(as1299_ipv4 + "114/24"))
        lok3[chi_5].addParams(ip6=(usa_ipv6 + "500::5/64"),
                              ip4=(chi_ipv4 + "115/24"))
        lok4 = self.addLink(as1299_r2, ash_5)
        lok4[as1299_r2].addParams(ip6=(as1299_ipv6 + "100::5/64"),
                                  ip4=(as1299_ipv4 + "115/24"))
        lok4[ash_5].addParams(ip6=(usa_ipv6 + "700::6/64"),
                              ip4=(ash_ipv4 + "116/24"))
        # Remarque : ebgp fonctionne avec 3 n'importe lequels mais
        # dès qu'on actve 4 sessions, problème dans les ping. Aucun échange eBGP.
        # host 1 ne sait pas contacter telia et inversement
        # Je commente un nwk_5 car il y a dejà une session eBGP avec nwk_1
        ebgp_session(self, as1299_r1, nwk_1, link_type=SHARE)
        ebgp_session(self, as1299_r2, chi_5, link_type=SHARE)
        ebgp_session(self, as1299_r2, ash_5, link_type=SHARE)

        # Building AS174 (Cogent) , routers and links
        as174_nwk_1_cogent = self.addHost("cogent_1")
        as174_nwk_5_cogent = self.addHost("cogent_2")
        as174_chi_1_cogent = self.addHost("cogent_3")
        as174_chi_5_cogent = self.addHost("cogent_4")
        as174_ash_1_cogent = self.addHost("cogent_5")
        as174_ash_5_cogent = self.addHost("cogent_6")

        #Routers + loopback
        as174_r1 = self.addRouter(
            "as174_r1",
            lo_addresses=[as174_ipv6 + "000::/64", as174_ipv4 + "100/24"])
        as174_r2 = self.addRouter(
            "as174_r2",
            lo_addresses=[as174_ipv6 + "100::/64", as174_ipv4 + "110/24"])

        # Added links
        to1 = self.addLink(as174_nwk_1_cogent, as174_r1)
        to1[as174_nwk_1_cogent].addParams(ip6=(usa_ipv6 + "020::/64"),
                                          ip4=(nwk_ipv4 + "170/24"))
        to1[as174_r1].addParams(ip6=(as174_ipv6 + "000::1/64"),
                                ip4=(as174_ipv4 + "101/24"))
        to2 = self.addLink(as174_nwk_5_cogent, as174_r1)
        to2[as174_nwk_5_cogent].addParams(ip6=(usa_ipv6 + "120::/64"),
                                          ip4=(nwk_ipv4 + "180/24"))
        to2[as174_r1].addParams(ip6=(as174_ipv6 + "000::2/64"),
                                ip4=(as174_ipv4 + "102/24"))
        to3 = self.addLink(as174_chi_1_cogent, as174_r1)
        to3[as174_chi_1_cogent].addParams(ip6=(usa_ipv6 + "420::1/64"),
                                          ip4=(chi_ipv4 + "170/24"))
        to3[as174_r1].addParams(ip6=(as174_ipv6 + "000::3/64"),
                                ip4=(as174_ipv4 + "103/24"))
        to4 = self.addLink(as174_chi_5_cogent, as174_r1)
        to4[as174_chi_5_cogent].addParams(ip6=(usa_ipv6 + "520::/64"),
                                          ip4=(chi_ipv4 + "180/24"))
        to4[as174_r1].addParams(ip6=(as174_ipv6 + "000::4/64"),
                                ip4=(as174_ipv4 + "104/24"))
        to5 = self.addLink(as174_ash_1_cogent, as174_r2)
        to5[as174_ash_1_cogent].addParams(ip6=(usa_ipv6 + "630::/64"),
                                          ip4=(ash_ipv4 + "190/24"))
        to5[as174_r2].addParams(ip6=(as174_ipv6 + "100::1/64"),
                                ip4=(as174_ipv4 + "111/24"))
        to6 = self.addLink(as174_ash_5_cogent, as174_r2)
        to6[as174_ash_5_cogent].addParams(ip6=(usa_ipv6 + "730::1/64"),
                                          ip4=(ash_ipv4 + "200/24"))
        to6[as174_r2].addParams(ip6=(as174_ipv6 + "100::2/64"),
                                ip4=(as174_ipv4 + "112/24"))
        to7 = self.addLink(as174_r1, as174_r2)
        to7[as174_r1].addParams(ip6=(as174_ipv6 + "000::5/64"),
                                ip4=(as174_ipv4 + "105/24"))
        to7[as174_r2].addParams(ip6=(as174_ipv6 + "100::3/64"),
                                ip4=(as174_ipv4 + "113/24"))
        as174_routers = [as174_r1, as174_r2]
        # Adding OSPF6v3 and BGP to AS174 (Cogent)
        for r in as174_routers:
            r.addDaemon(OSPF6)
        as174_r1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:500:1::/48", )), ),
            routerid='1.5.1.1')
        as174_r2.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:500:2::/48", )), ),
            routerid='1.5.1.2')

        self.addAS(174, (as174_r1, as174_r2))

        lom1 = self.addLink(as174_r1, nwk_1)
        lom1[as174_r1].addParams(ip6=(as174_ipv6 + "000::6/64"),
                                 ip4=(as174_ipv4 + "106/24"))
        lom1[nwk_1].addParams(ip6=(usa_ipv6 + "000::6/64"),
                              ip4=(nwk_ipv4 + "106/24"))
        lom2 = self.addLink(as174_r1, nwk_5)
        lom2[as174_r1].addParams(ip6=(as174_ipv6 + "000::7/64"),
                                 ip4=(as174_ipv4 + "107/24"))
        lom2[nwk_5].addParams(ip6=(usa_ipv6 + "100::6/64"),
                              ip4=(nwk_ipv4 + "116/24"))
        lom3 = self.addLink(as174_r1, chi_1)
        lom3[as174_r1].addParams(ip6=(as174_ipv6 + "000::8/64"),
                                 ip4=(as174_ipv4 + "108/24"))
        lom3[chi_1].addParams(ip6=(usa_ipv6 + "400::7/64"),
                              ip4=(chi_ipv4 + "107/24"))
        lom4 = self.addLink(as174_r1, chi_5)
        lom4[as174_r1].addParams(ip6=(as174_ipv6 + "000::9/64"),
                                 ip4=(as174_ipv4 + "109/24"))
        lom4[chi_5].addParams(ip6=(usa_ipv6 + "500::6/64"),
                              ip4=(chi_ipv4 + "116/24"))
        lom5 = self.addLink(as174_r2, ash_1)
        lom5[as174_r2].addParams(ip6=(as174_ipv6 + "100::4/64"),
                                 ip4=(as174_ipv4 + "114/24"))
        lom5[ash_1].addParams(ip6=(usa_ipv6 + "600::8/64"),
                              ip4=(ash_ipv4 + "108/24"))
        lom6 = self.addLink(as174_r2, ash_5)
        lom6[as174_r2].addParams(ip6=(as174_ipv6 + "100::5/64"),
                                 ip4=(as174_ipv4 + "115/24"))
        lom6[ash_5].addParams(ip6=(usa_ipv6 + "700::7/64"),
                              ip4=(ash_ipv4 + "117/24"))
        # Added an eBGP session for each datacenter region for redundancy
        ebgp_session(self, as174_r1, nwk_1, link_type=SHARE)
        ebgp_session(self, as174_r1, chi_1, link_type=SHARE)
        ebgp_session(self, as174_r2, ash_1, link_type=SHARE)

        # Building AS3356 (Level3), routers and links
        as3356_nwk_1_level3 = self.addHost("level3_1")
        as3356_nwk_5_level3 = self.addHost("level3_2")
        as3356_chi_1_level3 = self.addHost("level3_3")
        as3356_chi_5_level3 = self.addHost("level3_4")

        #Routers + loopback
        as3356_r1 = self.addRouter(
            "as3356_r1",
            lo_addresses=[as3356_ipv6 + "000::/64", as3356_ipv4 + "100/24"])
        as3356_r2 = self.addRouter(
            "as3356_r2",
            lo_addresses=[as3356_ipv6 + "100::/64", as3356_ipv4 + "110/24"])

        # Added links
        ti1 = self.addLink(as3356_nwk_5_level3, as3356_r1)
        ti1[as3356_nwk_5_level3].addParams(ip6=(usa_ipv6 + "130::/64"),
                                           ip4=(nwk_ipv4 + "190/24"))
        ti1[as3356_r1].addParams(ip6=(as3356_ipv6 + "000::1/64"),
                                 ip4=(as3356_ipv4 + "101/24"))
        ti2 = self.addLink(as3356_nwk_1_level3, as3356_r1)
        ti2[as3356_nwk_1_level3].addParams(ip6=(usa_ipv6 + "030::/64"),
                                           ip4=(nwk_ipv4 + "200/24"))
        ti2[as3356_r1].addParams(ip6=(as3356_ipv6 + "000::2/64"),
                                 ip4=(as3356_ipv4 + "102/24"))
        ti3 = self.addLink(as3356_chi_1_level3, as3356_r2)
        ti3[as3356_chi_1_level3].addParams(ip6=(usa_ipv6 + "430::1/64"),
                                           ip4=(chi_ipv4 + "190/24"))
        ti3[as3356_r2].addParams(ip6=(as3356_ipv6 + "100::1/64"),
                                 ip4=(as3356_ipv4 + "111/24"))
        ti4 = self.addLink(as3356_chi_5_level3, as3356_r2)
        ti4[as3356_chi_5_level3].addParams(ip6=(usa_ipv6 + "530::/64"),
                                           ip4=(chi_ipv4 + "200/24"))
        ti4[as3356_r2].addParams(ip6=(as3356_ipv6 + "100::2/64"),
                                 ip4=(as3356_ipv4 + "112/24"))
        ti5 = self.addLink(as3356_r1, as3356_r2)
        ti5[as3356_r1].addParams(ip6=(as3356_ipv6 + "000::3/64"),
                                 ip4=(as3356_ipv4 + "103/24"))
        ti5[as3356_r2].addParams(ip6=(as3356_ipv6 + "100::3/64"),
                                 ip4=(as3356_ipv4 + "113/24"))

        as3356_routers = [as3356_r1, as3356_r2]
        # Adding OSPFv3 and BGP to AS174 (Cogent)
        for r in as3356_routers:
            r.addDaemon(OSPF6)
        as3356_r1.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:600:1::/48", )), ),
            routerid='1.6.1.1')
        as3356_r2.addDaemon(
            BGP,
            address_families=(AF_INET6(networks=("2001:600:2::/48", )), ),
            routerid='1.6.1.2')

        self.addAS(3356, (as3356_r1, as3356_r2))

        lou1 = self.addLink(as3356_r1, nwk_1)
        lou1[as3356_r1].addParams(ip6=(as3356_ipv6 + "000::4/64"),
                                  ip4=(as3356_ipv4 + "104/24"))
        lou1[nwk_1].addParams(ip6=(usa_ipv6 + "000::7/64"),
                              ip4=(nwk_ipv4 + "107/24"))
        lou2 = self.addLink(as3356_r1, nwk_5)
        lou2[as3356_r1].addParams(ip6=(as3356_ipv6 + "000::5/64"),
                                  ip4=(as3356_ipv4 + "105/24"))
        lou2[nwk_5].addParams(ip6=(usa_ipv6 + "100::7/64"),
                              ip4=(nwk_ipv4 + "117/24"))
        lou3 = self.addLink(as3356_r2, chi_1)
        lou3[as3356_r2].addParams(ip6=(as3356_ipv6 + "100::4/64"),
                                  ip4=(as3356_ipv4 + "114/24"))
        lou3[chi_1].addParams(ip6=(usa_ipv6 + "400::8/64"),
                              ip4=(chi_ipv4 + "108/24"))
        lou4 = self.addLink(as3356_r2, chi_5)
        lou4[as3356_r2].addParams(ip6=(as3356_ipv6 + "100::5/64"),
                                  ip4=(as3356_ipv4 + "115/24"))
        lou4[chi_5].addParams(ip6=(usa_ipv6 + "500::7/64"),
                              ip4=(chi_ipv4 + "117/24"))
        # Added an eBGP session for each datacenter region for redundancy
        ebgp_session(self, as3356_r1, nwk_1, link_type=SHARE)
        ebgp_session(self, as3356_r2, chi_1, link_type=SHARE)

        all_al = AccessList('all', ('any', ))  # Access list

        # SET MED
        nwk_1.get_config(BGP).set_med(50,
                                      to_peer=as174_r1,
                                      matching=(all_al, ))
        chi_5.get_config(BGP).set_med(100,
                                      to_peer=as174_r1,
                                      matching=(all_al, ))
        chi_1.get_config(BGP).set_med(100,
                                      to_peer=as174_r1,
                                      matching=(all_al, ))

        # SET BGP COMMUNITY
        as16276_routers = [
            nwk_1, nwk_5, bhs_g1, bhs_g2, chi_1, chi_5, ash_1, ash_5
        ]
        for s in as7843_routers:  # charter routers
            europe.get_config(BGP).set_community(4,
                                                 to_peer=s,
                                                 matching=(all_al, ))
            asia.get_config(BGP).set_community(5,
                                               to_peer=s,
                                               matching=(all_al, ))
            for r in as16276_routers:
                s.get_config(BGP).set_community(21,
                                                to_peer=r,
                                                matching=(all_al, ))
        for s in as16509_routers:  # amazon routers
            europe.get_config(BGP).set_community(4,
                                                 to_peer=s,
                                                 matching=(all_al, ))
            asia.get_config(BGP).set_community(5,
                                               to_peer=s,
                                               matching=(all_al, ))
            for r in as16276_routers:
                s.get_config(BGP).set_community(22,
                                                to_peer=r,
                                                matching=(all_al, ))

        for s in as3356_routers:  # level3 routers
            europe.get_config(BGP).set_community(4,
                                                 to_peer=s,
                                                 matching=(all_al, ))
            asia.get_config(BGP).set_community(5,
                                               to_peer=s,
                                               matching=(all_al, ))
            for r in as16276_routers:
                s.get_config(BGP).set_community(11,
                                                to_peer=r,
                                                matching=(all_al, ))
        for s in as174_routers:  # cogent routers
            europe.get_config(BGP).set_community(4,
                                                 to_peer=s,
                                                 matching=(all_al, ))
            asia.get_config(BGP).set_community(5,
                                               to_peer=s,
                                               matching=(all_al, ))
            for r in as16276_routers:
                s.get_config(BGP).set_community(12,
                                                to_peer=r,
                                                matching=(all_al, ))
        for s in as1299_routers:  # telia routers
            europe.get_config(BGP).set_community(4,
                                                 to_peer=s,
                                                 matching=(all_al, ))
            asia.get_config(BGP).set_community(5,
                                               to_peer=s,
                                               matching=(all_al, ))
            for r in as16276_routers:
                s.get_config(BGP).set_community(13,
                                                to_peer=r,
                                                matching=(all_al, ))

        for s in as16276_routers:  # OVH north america routers
            s.get_config(BGP).set_community(3,
                                            to_peer=europe,
                                            matching=(all_al, ))
            s.get_config(BGP).set_community(3,
                                            to_peer=asia,
                                            matching=(all_al, ))
            for r in as16509_routers:  # amazon routers
                s.get_config(BGP).set_community(3,
                                                to_peer=r,
                                                matching=(all_al, ))
            for r in as7843_routers:  # charter routers
                s.get_config(BGP).set_community(3,
                                                to_peer=r,
                                                matching=(all_al, ))
            for r in as1299_routers:  # telia routers
                s.get_config(BGP).set_community(3,
                                                to_peer=r,
                                                matching=(all_al, ))
            for r in as174_routers:  # cogent routers
                s.get_config(BGP).set_community(3,
                                                to_peer=r,
                                                matching=(all_al, ))
            for r in as3356_routers:  # level3 routers
                s.get_config(BGP).set_community(3,
                                                to_peer=r,
                                                matching=(all_al, ))

        # SET CDN
        cdn_europe_host1 = self.addRouter(
            "cdn_host1", lo_addresses=["10.0.3.2/24", "2001:3c::2/64"])
        cdn_europe_host1.addDaemon(BGP)
        cdn_europe_host1.addDaemon(OSPF6)
        cdn_europe_link1 = self.addLink(cdn_europe_host1, europe)
        cdn_europe_link1[europe].addParams(ip6=("10.0.3.4/24",
                                                ") 2ip4=(01:3c::4/64"))

        cdn_asia_host1 = self.addRouter(
            "cdn_host3", lo_addresses=["10.0.3.2/24", "2001:3c::2/64"])
        cdn_asia_host1.addDaemon(BGP)
        cdn_asia_host1.addDaemon(OSPF6)
        cdn_asia_link1 = self.addLink(cdn_asia_host1, asia)
        cdn_asia_link1[asia].addParams(ip6=("10.0.3.3/24",
                                            ") 2ip4=(01:3c::3/64"))

        cdn_nwk_1_host1 = self.addRouter(
            "cdn_host5", lo_addresses=["10.0.3.2/24", "2001:3c::2/64"])
        cdn_nwk_1_host1.addDaemon(BGP)
        cdn_nwk_1_host1.addDaemon(OSPF6)
        cdn_nwk_1_link1 = self.addLink(cdn_nwk_1_host1, nwk_1)
        cdn_nwk_1_link1[nwk_1].addParams(ip6=("10.0.3.1/24",
                                              ") 2ip4=(01:3c::1/64"))

        super().build(*args, **kwargs)