You will implement and test this network using Cisco Packet Tracer software Connect all cables in Packet Tracer. Be sure to use the correct cable types for each physical link according to this table “ST” = “Straight Through”

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

ASSIGNMENT DOCUMENT

You will implement and test this network using Cisco Packet Tracer software, starting with file “TDC372-Lab1.pkt”. Follow the Network Implementation and Testing instructions below, then fill in Lab #1 Answers document by answering questions and pasting screenshots into the Answers Document when directed to do so.

BIG-ISP is an Internet Service Provider with ISP routers in 4 cities: San Francisco (SF), Los Angeles (LA), Chicago (CHI) and Texas (TX). Their 4 ISP routers have Gigabit fiber optic links between them, except for the SF-to-CHI link, which is a 4 Mbps serial link. They have a customer in San Francisco with Home network connected to BIG-ISP through a Digital Subscriber Line (DSL) connection. There is a server in Chicago with Gigabit-speed connection to the BIG-ISP network

 

 

Lab #1 Network Diagram

The ISP routers (SF, CHI, LA, TX) are Cisco 2811 routers with interface cards installed for gigabit fiber. The Home Router contains an integrated switch, where interfaces Fa0/0 and Fa0/1 are routed (L3) interfaces, while interfaces Fa0/1/0, Fa0/1/1, Fa0/1/2 and Fa0/1/3 are switched (L2) interfaces.

 

Network Implementation and Testing

1. Connect all cables in Packet Tracer. Be sure to use the correct cable types for each physical link according to this table (“ST” = “Straight Through”):

 

Lab #1 Physical Links

Device	Interface	Cable Type	Device	Interface
SF Host	Fa0	Copper ST	Home Rtr	Fa0/1/0
Home Rtr	Fa0/0	Copper ST	DSL Modem	Port 1
DSL Modem	Port 0	Phone Cable	DSLAM	Modem4
DSLAM	Eth6	Copper ST	SF	Fa0/0
SF	Gi0/2/0	Fiber optic	LA	Gi0/2/0
SF	Se0/1/0	Serial Cable	CHI (DCE)	Se0/1/0
LA	Gi0/3/0	Fiber optic	TX	Gi0/2/0
TX	Gi0/3/0	Fiber optic	CHI	Gi0/3/0
CHI	Gi0/2/0	Fiber optic	CHI Switch	Gi9/1
CHI Switch	Gi8/1	Copper ST	Chi Server	Gig1

2. Set hostname on each router and switch to the device name followed by your initials (like “SF-GB”).

3. Set the Home Router Fa0/1/0 switch port to not participate in spanning tree protocol by configuring switchport mode access and spanning-tree portfast.

4. Set IP addresses on all L3 interfaces according to this table:

 

Lab #1 Interface IPs

Device	Interface	IP Address	Prefix Length
SF Host	Fa0	44.1.1.10	/24
Home Rtr	Vlan1	44.1.1.1	/24
Home Rtr	Fa0/0	69.12.55.18	/30
SF	Fa0/0	69.12.55.17	/30
SF	Gi0/2/0	100.23.1.1	/30
SF	Se0/1/0	100.23.1.13	/30
LA	Gi0/2/0	100.23.1.2	/30
LA	Gi0/3/0	100.23.1.5	/30
TX	Gi0/2/0	100.23.1.6	/30
TX	Gi0/3/0	100.23.1.10	/30
CHI	Se0/1/0	100.23.1.14	/30
CHI	Gi0/2/0	77.3.1.1	/24

 

CHI	Gi0/3/0	100.23.1.9	/30
Chi Server	Gig1	77.3.1.10	/24

1. Execute “show ip interface brief” on each router to make sure that all interfaces have correct IP and mask assigned and are Up/Up.

2. Be sure to configure clock rate on CHI Se0/1/0 (clock rate 4000000)

3. Set Interface Bandwidth to 4 Mbps on CHI Se0/1/0 and SF Se0/1/0 by executing bandwidth 4000 on each of these

4. Set layer 2 protocol (encapsulation) to Point-to-Point Protocol (ppp) for CHI Se0/1/0 and SF Se0/1/0

5. Make sure you can successfully ping from each router to each of its 1-hop neighbor routers.

6. Execute a “show ip route” on each router and make sure that each of its directly connected subnets is shown in the routing

5. Set IP address, subnet mask and default gateway IP on SF Host and Chicago Server. Make sure you can successfully ping from each host to its default gateway.

6. Start up OSPF on each of the 4 ISP Routers, with the following router-ids. DO NOT run OSPF on Home

 

Lab #1 OSPF Router IDs

Router	Router ID
SF	1.1.1.1
LA	2.2.2.2
CHI	3.3.3.3
TX	4.4.4.4

7. Activate OSPF on all interfaces that have IP addresses on all 4 routers

8. Set SF Fa0/0 and CHI Gi0/2/0 as passive

9. Do a show ip protocol on each ISP router – make sure that all 4 interface router-ids show up

10. Add a default static route on Home Router so that it will deliver all packets Do not use any dynamic routing protocol on Home Router.

11. Add a static route to 1.1.0/24 on SF router.

    44. Try a ping from SF Router to 44.1.1.10 – it should succeed

12. On SF router, go into OSPF router configuration mode and execute “redistribute static subnets” so that SF router will advertise 44.1.1.0/24 to other OSPF routers

    44. Try a ping from TX Router to 44.1.1.10 – it should succeed

13. Check pings from SF Host to Chicago Server – it should succeed

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