Lab 9-2: Build a Network Challenge 2 - BGP

Summary

During this lab we took the frame work from the last lab and built out BGP from BTV-Router to Vermont-ISP then to Pacific-ISP.

Subnet Tables

Subnet Table Routers

Name	Network Address	Subnet	Gateway
Vermont to BTV	192.168.2.0	255.255.255.252	192.168.2.1
Vermont to Pacific	192.168.1.0	255.255.255.252	192.168.1.1
Pacific to Partner	192.168.3.0	255.255.255.252	192.168.3.1
Pacific to Customer	192.168.4.0	255.255.255.252	192.168.4.1

Subnet Table Burlington

Name	Network Address	Subnet	Gateway
BTV to MTL	172.16.0.0	255.255.255.252	172.16.0.1
BTV Core	172.16.10.0	255.255.255.0	172.16.10.1
BTV Users	172.16.5.0	255.255.255.0	172.16.5.1
BTV Data Ctr	172.16.6.0	255.255.255.0	172.16..1
MTL	172.16.20.0	255.255.255.0	172.16.20.1

Subnet Table Customer

Name	Network Address	Subnet	Gateway
​Customer	10.200.24.0	255.255.255.0​	​10.200.24.1

Subnet Table Partner

Name	Network Address	Subnet	Gateway
Partner	10.15.6.0	255.255.255.0	10.15.6.1

Network Photo

Steps:

Vermont-ISP

enable
config t
hostname vermont-router
interface FastEthernet 0/0
ip address 192.168.1.1 255.255.255.252
no shutdown
interface FastEthernet 0/1
ip address 192.168.2.1 255.255.255.252
no shutdown
router bgp 1010
neighbor 192.168.2.2 remote-as 3033
neighbor 192.168.1.2 remote-as 2054
network 192.168.1.0 mask 255.255.255.252

BTV-Router

enable
config t
hostname btv-router
interface FastEthernet 0/1
ip address 192.168.2.2 255.255.255.252
no shutdown
interface FastEthernet 0/0
ip address 172.16.10.1 255.255.255.0
no shutdown
interface Serial 0/1/0
ip address 172.16.0.1 255.255.255.252
no shutdown
router ospf 1
default-information originate
network 172.16.10.0 0.0.0.255 area 0
network 172.16.0.0 0.0.0.3 area 0
ip route 0.0.0.0 0.0.0.0 192.168.2.1
router bgp 3033
neighbor 192.168.2.1 remote-as 1010
redistribute ospf 1
network 192.168.2.0 mask 255.255.255.252

BTV-Multilayer-Switch

enable
config t
hostname btv-multiplayer-switch
vlan 5
name users
vlan 6
name DC
ip routing
interface vlan 1
no shutdown
interface vlan 5
no shutdown
ip address 172.16.5.1 255.255.255.0
interface vlan 6
no shutdown
ip address 172.16.6.1 255.255.255.0
interface vlan 10
no shutdown
ip address 172.16.10.2 255.255.255.0
interface range FastEthernet 0/2
switchport access vlan 5
interface range FastEthernet 0/6
switchport access vlan 6
interface range FastEthernet 0/1
switchport access vlan 10
router ospf 1
network 172.16.5.0 0.0.0.255 area 0
network 172.16.6.0 0.0.0.255 area 0
network 172.16.10.0 0.0.0.255 area 0

MTL-Router

enable
config t
hostname mtl-router
interface FastEthernet 0/0
ip address 172.16.20.1 255.255.255.0
no shutdown
exit
interface Serial 0/1/0
ip address 172.16.0.2 255.255.255.252
no shutdown
exit
router ospf 1
network 172.16.20.0 0.0.0.255 area 0
network 172.16.0.0 0.0.0.3 area 0

Pacific-ISP

enable
config t
hostname pacific-router
interface FastEthernet 0/0
ip address 192.168.1.2 255.255.255.252
no shutdown
interface FastEthernet 0/1
ip address 192.168.3.1 255.255.255.252
no shutdown
interface Serial 0/1/0
ip address 192.168.4.1 255.255.255.252
no shutdown
router bgp 2054
neighbor 192.168.1.1 remote-as 1010
neighbor 192.168.3.2 remote-as 34908
neighbor 192.168.4.2 remote-as 5132
network 192.168.3.0 mask 255.255.255.252
network 192.168.4.0 mask 255.255.255.252

Customer-Router

enable
config t
hostname customer-router
interface FastEthernet 0/0
ip address 10.200.24.1 255.255.255.0
no shutdown
interface Serial 0/1/0
ip address 192.168.4.2 255.255.255.252
no shutdown
router bgp 5132
neighbor 192.168.4.1 remote-as 2054
network 10.200.24.0 mask 255.255.255.0

Partner-Router

enable
config t
hostname partner-router
interface FastEthernet 0/0
ip address 192.168.3.2 255.255.255.252
no shutdown
interface FastEthernet 0/1
ip address 10.15.6.1 255.255.255.0
no shutdown
router bgp 34908
neighbor 192.168.3.1 remote-as 2054
network 10.15.6.0 mask 255.255.255.0

Notes:

BGP:

Remember to advertise the internal network...

Tips:

show ip bgp summary