And conf router eigrp network network network network network network network

HSRP:

(HSRP is not configurable somewhere, where IP address range is not available. Like on router R2)

# exit

L3-S2 –

R4, R5, R6 –

# conf t

# conf t

# int g1/0/1

# conf t

# int ra g0/0-2

# int g1/0/21

# standby 10 ip 10.10.10.20

# int ra g1/0/23-24

# channel-group 1 mode desirable

Switch L3-S3 –

# conf t

# switchport mode trunk

# exit

# exit

# int port-channel 1

# exit

# int port-channel 2

# int ra g1/0/21-22

# channel-group 2 mode desirable

Switch S3 –

# conf t

# switchport mode trunk

# exit

# exit

# int port-channel 1

# exit

# int port-channel 2

# int ra fa0/21-22

# channel-group 2 mode desirable

Switch ISP-S2 –

# conf t

# switchport mode trunk

# exit

# switchport mode trunk

# exit

# exit

# int port-channel 1

# exit

# int port-channel 2

# int ra g1/0/23-24

# channel-group 1 mode active

# int ra g1/0/21-22

# channel-group 2 mode active

Switch ISP-S5 –

# conf t

# switchport mode trunk

# exit

# switchport mode trunk

# exit

Router R2 –

# conf t

DHCP configuration:

R1 –

# exit

# ip dhcp excluded-address 10.10.0.2 10.10.0.5

# ip helper-address 10.0.0.13

# exit

# network 10.10.10.0 255.255.255.0

# default-router 10.10.10.2

# network 10.10.20.0 255.255.255.0

# default-router 10.10.20.2

# int g1/0/24

# ip helper-address 10.0.0.25

# ip helper-address 10.0.0.29

# exit

# ip dhcp-pool pool-1

# network 10.0.10.0 255.255.255.0

# network 10.0.20.0 255.255.255.0

# default-router 10.0.20.2

# int ra g1/0/1-2

# ip helper-address 10.0.0.1

VLAN trunking protocol and trunk configuration:

L3-S1 and L3-S2 –

# exit

# vtp mode server

# conf t

# int g0/1

# vtp domain cisco

# vtp password cisco

# switchport trunk encapsulation dot1q

# switchport trunk allowed vlan all

# vtp password cisco

# do write

# vtp password cisco

# do write

# network 10.0.0.24

# network 10.0.0.28

R1, R4, R5, and R6 –

# conf t

# network 10.0.0.16

# network 10.0.0.20

# router eigrp 1

# network 3.0.0.0

# network 10.0.20.0

BGP configuration:

# network 50.0.0.0 mask 255.255.255.0

# neighbour 50.0.0.3 remote-as 6000

# network 10.0.0.0

# network 2.0.0.0

# redistribute eigrp 1

# network 2.0.0.0 mask 255.255.255.0

# conf t

# router eigrp 1

# router bgp 4001

# redistribute eigrp 1

ISP-R4 –

# conf t

# exit

# router bgp 3001

# exit

ISP-S2 –

# network 30.0.0.0 mask 255.255.255.0

# neighbour 60.0.0.2 remote-as 4000

# conf t

# router bgp 6000

# neighbour 30.0.0.2 remote-as 5000

# neighbour 50.0.0.8 remote-as 65000

# network 50.0.0.0 mask 255.255.255.0

# network 60.0.0.0 mask 255.255.255.0

# exit

ISP-S5 –

# network 20.0.0.0 mask 255.255.255.0

# neighbour 40.0.0.1 remote-as 6000

R1 –

# conf t

# ip nat outside

# int s0/0/1

# ip nat inside

R2 –

# int s0/0/0

# ip nat outside

R3 –

# conf t

# ip nat outside

# int g0/0

# ip nat inside

Proof of connectivity –