en
conf t
hostname ISP
int g0/2
ip add dhcp
ip nat outside
no shu
int g0/0
ip add 178.207.179.1 255.255.255.248
ip nat inside
no shu
int g0/1
ip add 178.207.179.25 255.255.255.248
ip nat inside
no shu
exit
router bgp 31133
network 0.0.0.0
network 178.207.179.0 mask 255.255.255.248
network 178.207.179.24 mask 255.255.255.248
neigh 178.207.179.4 remote-as 64500
exit
ip access-list standard NAT
permit 178.207.179.0 0.0.0.7
permit 178.207.179.24 0.0.0.7
exit
ip nat inside source list NAT int g0/2 over
rtr-cod
en
conf t
hostname rtr-cod.cod.ssa2026.region
int g0/0
ip add 178.207.179.4 255.255.255.248
ip nat outside
no shu
int g0/1
ip add 10.1.0.1 255.255.255.252
ip nat inside
no shu
exit
router bgp 64500
neigh 178.207.179.1 remote-as 31133
exit
int tun 100
ip add 10.0.0.1 255.255.255.252
tun dest 178.207.179.28
tun sou g0/0
exit
ip access-list standard NAT
permit 10.1.0.0 0.0.255.255
exit
ip nat inside source list NAT int g0/0 over
router ospf 100
pass def
no pass tun 100
no pass g0/1
router-id 10.0.0.1
network 10.1.0.0 0.0.0.3 area 0
network 10.0.0.0 0.0.0.3 area 0
exit
int tun 100
ip ospf authentication message-digest
ip ospf message-digest-key 1 md5 P@ssw0rd
int g0/1
ip ospf authentication message-digest
ip ospf message-digest-key 1 md5 P@ssw0rd
ip domain-name cod.ssa2026.region
ip name-server 10.1.10.10
ntp server 10.1.10.10
line vty 0 4
login local
transport input ssh
line con 0
login local
exit
aaa new-model
aaa authentication login default group radius
aaa authorization exec default group radius
aaa authorization console
radius server SRV1-COD
address ipv4 10.1.10.10 auth-port 1812 acct-port 1813
key cisco
rtr-a
en
conf t
hostname rtr-a.office.ssa2026.region
int g0/0
ip add 178.207.179.28 255.255.255.248
ip nat outside
no shu
int g0/1
no shu
int g0/1.100
en dot 100
ip add 10.2.10.254 255.255.255.0
ip nat inside
no shu
int g0/1.200
en dot 200
ip add 10.2.20.254 255.255.255.0
ip nat inside
no shu
int g0/1.300
en dot 300
ip add 10.2.30.254 255.255.255.0
ip nat inside
no shu
exit
ip route 0.0.0.0 0.0.0.0 178.207.179.25
int tun 100
ip add 10.0.0.2 255.255.255.252
tun dest 178.207.179.4
tun sou g0/0
ip access-list standard NAT
permit 10.2.0.0 0.0.255.255
exit
ip nat inside source list NAT int g0/0 over
router ospf 100
pass def
no pass tun 100
router-id 10.0.0.2
network 10.2.10.0 0.0.0.255 area 0
network 10.2.20.0 0.0.0.255 area 0
network 10.2.30.0 0.0.0.255 area 0
network 10.0.0.0 0.0.0.3 area 0
exit
int tun 100
ip ospf authentication message-digest
ip ospf message-digest-key 1 md5 P@ssw0rd
ip domain-name cod.ssa2026.region
ip name-server 10.1.10.10
ntp server 10.1.10.10