int_br

table0(LOCAL_SWITCHING)

    egress->table71(BASE_EGRESS_TABLE)

        1. arp(arp spoof)->normal

        2. udp(dhcp)->table73(ACCEPT_OR_INGRESS_TABLE)

                1.dst(local_mac)->table81

                2.new->normal

                3.normal

        3. other(ct)->table72(RULES_EGRESS_TABLE)

                match(ct,rule)->normal

    ingress->table81(BASE_INGRESS_TABLE)

        1. arp(dst_mac)->tap

        2. udp(dhcp)->tap

        3. other(ct)->table82(RULES_INGRESS_TABLE)

              match(ct,rule)->tap

              other->normal

================================================================================

phys_brs

table0

        1.phy-br-ex(non-dvr)->normal

        2.phy-br-ex(dvr)->table1(DVR_PROCESS_VLAN)

        3.other->table3(DVR_NOT_LEARN_VLAN)