Конфигурация других устройств базовая.

msk-arbat-gw1

hostname msk-arbat-gw1

interface Loopback0

 ip address 100.0.0.1 255.255.255.255

!

interface FastEthernet0/0

 description Balagan_Telecom_Internet

 ip address 101.0.0.2 255.255.255.252

 duplex auto

 speed auto

!

interface FastEthernet0/1

 description Philkin_Certificate_Internet

 ip address 102.0.0.2 255.255.255.252

 speed 100

 full-duplex

!

!

router bgp 64500

 no synchronization

 bgp log-neighbor-changes

 network 100.0.0.0 mask 255.255.254.0

 neighbor 101.0.0.1 remote-as 64501

 neighbor 102.0.0.1 remote-as 64502

 no auto-summary

!

ip route 100.0.0.0 255.255.254.0 Null0

!

balagan-router

hostname balagan-router

!

interface FastEthernet0/0

 description LinkMeUp_BGP

 ip address 101.0.0.1 255.255.255.252

 speed auto

 full-duplex

!

interface FastEthernet0/1

 description Philkin_Certificate_BGP

 ip address 101.0.0.5 255.255.255.252

 duplex auto

 speed auto

!

interface FastEthernet1/0

 description Cloud_BGP

 ip address 101.0.0.9 255.255.255.252

 speed 100

 full-duplex

!

!

router bgp 64501

 no synchronization

 bgp log-neighbor-changes

 network 101.0.0.0 mask 255.255.240.0

 neighbor 101.0.0.2 remote-as 64500

 neighbor 101.0.0.6 remote-as 64502

 neighbor 101.0.0.10 remote-as 64503

 no auto-summary

!

ip route 101.0.0.0 255.255.240.0 Null0

PhCert-router

hostname PhCert-router

!

interface FastEthernet0/0

 description Balagan_Telecom_BGP

 ip address 101.0.0.6 255.255.255.252

 duplex auto

 speed auto

!

interface FastEthernet0/1

 description LinkMeUp_BGP

 ip address 102.0.0.1 255.255.255.252

 speed 100

 full-duplex

!

interface FastEthernet1/0

 description Cloud_Internet

 ip address 102.0.0.9 255.255.255.252

 duplex auto

 speed auto

!

!

router bgp 64502

 no synchronization

 bgp log-neighbor-changes

 network 102.0.0.0 mask 255.255.248.0

 neighbor 101.0.0.5 remote-as 64501

 neighbor 102.0.0.2 remote-as 64500

 neighbor 102.0.0.10 remote-as 64503

 no auto-summary

!

ip route 102.0.0.0 255.255.248.0 Null0

cloud-router

hostname cloud-router

!

interface Loopback0

 ip address 103.0.0.1 255.255.255.255

!

interface Loopback1

 ip address 120.0.0.1 255.255.255.255

!

interface FastEthernet0/0

 description Balagan_Telecom_BGP

 ip address 101.0.0.10 255.255.255.252

 speed 100

 full-duplex

!

interface FastEthernet0/1

 description Philkin_Certificate_BGP

 ip address 102.0.0.10 255.255.255.252

 speed 100

 full-duplex

!

!

router bgp 64503

 no synchronization

 bgp log-neighbor-changes

 network 103.0.0.0 mask 255.255.252.0

 network 120.0.0.0 mask 255.255.255.0

 neighbor 101.0.0.9 remote-as 64501

 neighbor 102.0.0.9 remote-as 64502

 no auto-summary

!

ip route 103.0.0.0 255.255.252.0 Null0

ip route 120.0.0.0 255.255.255.0 Null0