R1
 system identity set name=R1

 interface set name=ether1-internet ether1
 interface set name=ether2-toR2 ether2
 interface set name=ether3-LAN ether3

ip address add address=192.168.12.152/24 interface=ether1-internet
ip address add address=192.168.101.254/24 interface=ether2-toR2 
ip address add address=192.168.100.254/24 interface=ether3-LAN

ip route add gateway=192.168.12.2
ip dns set servers=192.168.12.2

ip firewall nat add chain=srcnat out-interface=ether1-internet action=masquerade
ip dhcp-server setup

R2
system identity set name=R2


interface set name=ether1-ToR1 ether1
interface set name=ether2-toR3 ether2
interface set name=ether3-toR4 ether3
interface set name=ether4-LAN ether4

ip address add address=192.168.101.1/24 interface=ether1-ToR1
ip address add address=192.168.102.254/24 interface=ether2-toR3
ip address add address=192.168.103.254/24 interface=ether3-toR4
ip address add address=192.168.10.254/24 interface=ether4-LAN

ip dns set servers=192.168.12.2
ip firewall nat add chain=srcnat out-interface=ether1-ToR1 action=masquerade
ip dhcp-server setup


R3
system identity set name=R3
interface set name=ether1-ToR2 ether1
interface set name=ether2-ToR4 ether2
interface set name=ether3-LAN ether3

ip address add address=192.168.102.1/24 interface=ether1-ToR2
ip address add address=192.168.104.254/24 interface=ether2-ToR4
ip address add address=192.168.20.254/24 interface=ether3-LAN

ip dns set servers=192.168.12.2
ip firewall nat add chain=srcnat out-interface=ether1-ToR2 action=masquerade
ip dhcp-server setup

R4
system identity set name=R4
interface set name=ether1-ToR3 ether1
interface set name=ether2-ToR2 ether2
interface set name=ether3-LAN ether3

ip address add address=192.168.104.1/24 interface=ether1-ToR3
ip address add address=192.168.103.1/24 interface=ether2-ToR2
ip address add address=192.168.30.254/24 interface=ether3-LAN

ip dns set servers=192.168.12.2
ip firewall nat add chain=srcnat out-interface=ether2-ToR2 action=masquerade

ip dhcp-server setup

----------------------------
Routing BGP R1
routing bgp instance set default as=100 router-id=1.1.1.1

routing bgp network add network=192.168.12.0/24 synchronize=no
routing bgp network add network=192.168.100.0/24 synchronize=no
routing bgp network add network=192.168.101.0/24 synchronize=no

routing bgp peer add name=toR2 remote-address=192.168.101.1 remote-as=101
#routing bgp peer add name=toR3 remote-address=192.168.102.1 remote-as=64513
#routing bgp peer add name=toR4 remote-address=192.168.103.1 remote-as=64512

Routing BGP R2
routing bgp instance set default as=101 router-id=2.2.2.2

routing bgp network add network=192.168.101.0/24 synchronize=no
routing bgp network add network=192.168.10.0/24 synchronize=no
routing bgp network add network=192.168.102.0/24 synchronize=no
routing bgp network add network=192.168.103.0/24 synchronize=no

routing bgp peer add remote-address=192.168.101.254 remote-as=100 name=toR1
routing bgp peer add remote-address=192.168.103.1 remote-as=64512 name=toR4
routing bgp peer add remote-address=192.168.102.1 remote-as=64513 name=toR3

Routing BGP R3
routing bgp instance set default as=64513 router-id=3.3.3.3

routing bgp network add network=192.168.102.0/24 synchronize=no
routing bgp network add network=192.168.104.0/24 synchronize=no
routing bgp network add network=192.168.20.0/24 synchronize=no

routing bgp peer add remote-address=192.168.102.254 remote-as=101 name=toR2
routing bgp peer add remote-address=192.168.104.1 remote-as=64512 name=toR4
#routing bgp peer add remote-address=192.168.103.254 remote-as=100 name=toR4
#routing bgp peer add remote-address=192.168.103.1 remote-as=64513 name=toR4
#routing bgp peer add remote-address=192.168.101.254 remote-as=100 name=toR1

Routing BGP R4
routing bgp instance set default as=64512 router-id=4.4.4.4

routing bgp network add network=192.168.104.0/24 synchronize=no
routing bgp network add network=192.168.103.0/24 synchronize=no
routing bgp network add network=192.168.30.0/24 synchronize=no

routing bgp peer add remote-address=192.168.103.254 remote-as=101 name=toR2
#routing bgp peer add remote-address=192.168.101.254 remote-as=100 name=toR1
#routing bgp peer add remote-address=192.168.102.254 remote-as=101 name=toR2
routing bgp peer add remote-address=192.168.104.254 remote-as=64513 name=toR3
#routing bgp peer add remote-address=192.168.102.1 remote-as=64513 name=toR2