dcgw1
net add loopback lo ip address 192.168.1.4/32
net add interface swp3 ip address 172.21.100.1/30
net add ospf router-id 192.168.1.4
net add ospf network 192.168.1.4/32 area 1
net add ospf network 172.21.100.0/30 area 1
net add ospf network 192.168.1.4/32 area 1
net add ospf passive-interface swp1
net add ospf passive-interface swp2
net add ospf passive-interface swp4
net add ospf passive-interface swp5
net add ospf passive-interface swp6
net add ospf passive-interface swp7
net add interface swp3 ospf network point-to-point

net add vxlan vni-103 vxlan id 103
net add bridge br-12 ports vni-103
net add vxlan vni-103 vxlan remoteip 192.168.1.5
net add vxlan vni-103 vxlan local-tunnelip 192.168.1.4

dc2gw
set protocols ospf traceoptions file ospf
set protocols ospf traceoptions file size 1m
set protocols ospf traceoptions file files 2
set protocols ospf traceoptions file world-readable
set protocols ospf area 0.0.0.1 interface xe-0/0/4.0 interface-type p2p
set protocols ospf area 0.0.0.1 interface lo0.5

set bridge-domains br-vl22 vlan-id 22
set bridge-domains br-vl22 vxlan vni 103
set bridge-domains br-vl22 vxlan ingress-node-replication
set interfaces lo0 unit 5 family inet address 192.168.1.5/32
set interfaces xe-0/0/4 unit 0 family inet address 172.21.101.1/30
set interfaces xe-0/0/6 unit 0 family bridge interface-mode access
set interfaces xe-0/0/6 unit 0 family bridge vlan-id 22