Foster 202 Company – Build‐a‐Network: Challenge 1 - Snowboundport37/champlain GitHub Wiki
This project configures the Foster 202 Co. internal OSPF network connecting the Burlington (BTV) and Montreal (MTL) offices using Cisco Packet Tracer.
The goal is full connectivity among all internal VLANs and subnets.
| Site | Device | Interface | IP | Purpose |
|---|---|---|---|---|
| BTV-Router | Router | S0/1/0 | 172.16.0.1/30 | Link to MTL |
| Fa0/0 | 172.16.10.1/24 | To BTV Switch | ||
| BTV-Switch | 3550 | VLAN5 | 172.16.5.1/24 | Users |
| VLAN6 | 172.16.6.1/24 | Data Center | ||
| VLAN10 | 172.16.10.2/24 | Core link | ||
| MTL-Router | Router | S0/1/0 | 172.16.0.2/30 | Link to BTV |
| Fa0/0 | 172.16.20.1/24 | To MTL Switch | ||
| MTL-Switch | 2950 | VLAN20 | — | Montreal LAN |
| Laptops | — | — | 172.16.5.2 / 172.16.6.2 / 172.16.20.2 | End devices |
enable
conf t
interface fastEthernet0/0
ip address 172.16.10.1 255.255.255.0
no shutdown
exit
interface serial0/1/0
ip address 172.16.0.1 255.255.255.252
clock rate 64000
no shutdown
exit
router ospf 1
network 172.16.10.0 0.0.0.255 area 0
network 172.16.0.0 0.0.0.3 area 0
end
writeenable
conf t
ip routing
vlan 5
name USERS
vlan 6
name DATACENTER
vlan 10
name CORE
exit
interface vlan5
ip address 172.16.5.1 255.255.255.0
no shutdown
exit
interface vlan6
ip address 172.16.6.1 255.255.255.0
no shutdown
exit
interface vlan10
ip address 172.16.10.2 255.255.255.0
no shutdown
exit
interface fa0/1
switchport mode access
switchport access vlan10
no shutdown
exit
interface fa0/2
switchport mode access
switchport access vlan5
no shutdown
exit
interface fa0/6
switchport mode access
switchport access vlan6
no shutdown
exit
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
end
write
enable
conf t
interface fastEthernet0/0
ip address 172.16.20.1 255.255.255.0
no shutdown
exit
interface serial0/1/0
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
end
writeenable
conf t
vlan 20
name MTL-NET
exit
interface fa0/1
switchport mode access
switchport access vlan20
no shutdown
exit
interface fa0/2
switchport mode access
switchport access vlan20
no shutdown
exit
end
write
| Device | IP | Subnet Mask | Default Gateway |
|---|---|---|---|
| User Laptop | 172.16.5.2 | 255.255.255.0 | 172.16.5.1 |
| DataCenter Station | 172.16.6.2 | 255.255.255.0 | 172.16.6.1 |
| Montreal Laptop | 172.16.20.2 | 255.255.255.0 | 172.16.20.1 |
show ip route
show ip ospf neighbor| From | To | Result |
|---|---|---|
| 172.16.5.2 | 172.16.6.2 | ✅ Reply |
| 172.16.5.2 | 172.16.20.2 | ✅ Reply |
| 172.16.6.2 | 172.16.20.2 | ✅ Reply |
- Screenshot of
show ip routeon BTV-Router - Screenshot of
show ip routeon MTL-Router - Screenshot of successful ping from User Laptop → Montreal Laptop
Instructor: SEC-345
Author: Andrei Gorlitsky
Date: 2025