=== R10 ===
hostname R10
ip cef
ipv6 unicast-routing
interface Loopback0
 ipv6 address 2001:db8:ffff::10/128
 ip address 10.255.0.10 255.255.255.255
exit
interface Loopback11
 ip address 198.51.100.1 255.255.255.192
exit
interface Loopback12
 ip address 198.51.100.65 255.255.255.192
exit
interface Loopback13
 ip address 198.51.100.129 255.255.255.192
exit
interface Loopback14
 ip address 198.51.100.193 255.255.255.192
exit
interface GigabitEthernet1
 ipv6 address 2001:db8:0:10::2/64
 ip address 192.0.2.1 255.255.255.252
 no shutdown
exit
end

=== R1 ===
hostname R1
ip cef
ipv6 unicast-routing
interface Loopback0
 ipv6 address 2001:db8:ffff::1/128
 ip address 10.255.0.1 255.255.255.255
exit
interface GigabitEthernet1
 ipv6 address 2001:db8:0:10::1/64
 ip address 192.0.2.2 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.5 255.255.255.252
 no shutdown
exit
interface GigabitEthernet3
 ipv6 address 2001:db8:0:12::1/64
 ip address 192.0.2.9 255.255.255.252
 no shutdown
exit
interface GigabitEthernet4
 ipv6 address 2001:db8:0:13::1/64
 ip address 192.0.2.13 255.255.255.252
 no shutdown
exit
end

=== R2 ===
hostname R2
ip cef
ipv6 unicast-routing
interface Loopback0
 ipv6 address 2001:db8:ffff::2/128
 ip address 10.255.0.2 255.255.255.255
exit
interface GigabitEthernet1
 ipv6 address 2001:db8:0:12::2/64
 ip address 192.0.2.10 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.17 255.255.255.252
 no shutdown
exit
interface GigabitEthernet3
 ip address 192.0.2.21 255.255.255.252
 no shutdown
exit
end

=== R3 ===
hostname R3
ip cef
ipv6 unicast-routing
interface Loopback0
 ipv6 address 2001:db8:ffff::3/128
 ip address 10.255.0.3 255.255.255.255
exit
interface GigabitEthernet1
 ipv6 address 2001:db8:0:13::2/64
 ip address 192.0.2.14 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.18 255.255.255.252
 no shutdown
exit
interface GigabitEthernet3
 ip address 192.0.2.25 255.255.255.252
 no shutdown
exit
end

=== R4 ===
hostname R4
ip cef
interface Loopback0
 ip address 10.255.0.4 255.255.255.255
exit
interface GigabitEthernet1
 ip address 192.0.2.6 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.22 255.255.255.252
 no shutdown
exit
interface GigabitEthernet3
 ip address 192.0.2.29 255.255.255.252
 no shutdown
exit
interface GigabitEthernet4
 ip address 192.0.2.33 255.255.255.252
 no shutdown
exit
end

=== R5 ===
hostname R5
ip cef
interface Loopback0
 ip address 10.255.0.5 255.255.255.255
exit
interface GigabitEthernet1
 ip address 192.0.2.26 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.30 255.255.255.252
 no shutdown
exit
interface GigabitEthernet3
 ip address 192.0.2.37 255.255.255.252
 no shutdown
exit
interface GigabitEthernet4
 ip address 192.0.2.45 255.255.255.252
 no shutdown
exit
end

=== R6 ===
hostname R6
ip cef
interface Loopback0
 ip address 10.255.0.6 255.255.255.255
exit
interface GigabitEthernet1
 ip address 192.0.2.34 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.41 255.255.255.252
 no shutdown
exit
end

=== R7 ===
hostname R7
ip cef
interface Loopback0
 ip address 10.255.0.7 255.255.255.255
exit
interface GigabitEthernet1
 ip address 192.0.2.38 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.42 255.255.255.252
 no shutdown
exit
end

=== R8 ===
hostname R8
ip cef
interface Loopback0
 ip address 10.255.0.8 255.255.255.255
exit
interface GigabitEthernet1
 ip address 192.0.2.46 255.255.255.252
 no shutdown
exit
interface GigabitEthernet2
 ip address 192.0.2.49 255.255.255.252
 no shutdown
exit
end

=== R9 ===
hostname R9
ip cef
interface Loopback0
 ip address 10.255.0.9 255.255.255.255
exit
interface GigabitEthernet1
 ip address 192.0.2.50 255.255.255.252
 no shutdown
exit
end