#### Summary:
In this lab we configured two routers and multiple subnets using static routes.

I mistyped the 16 as 13 which stumped me for a minuite.
#### Summary of understanding:
- ARP uses Mac addresses to know which device is on which ip address on the LAN. It does this by using the broadcast address to ask who an IP address is, and then getting a response where it gets told which mac address is on that ip address.
- You can use Wireshark to capture network packets, and investigate them.

**Goals:**

- Observe the need for routing tables when interconnecting multiple networks across multiple routers
- Understand the components that  must be included in a routing table entry
- Use static route entries to configure routing tables when connecting two or more routers

**Lab**:

The class is charged with setting up a network for a small business with 2 sites - West and East.  The organization has been assigned 154.103.16.0/21 as it's network address.  It needs to be subdivided into the following networks:

- SalesWest (300 users)
- FinanceWest (200 users)
- SalesEast (100 users)
- FinanceEast (50 users)
- EAST-WEST link for the routers

1. As a group: determine a subnetting scheme that will work for the organization and complete the following table:

|             |                   |                 |                   |                    |                       |
| ----------- | ----------------- | --------------- | ----------------- | ------------------ | --------------------- |
| Name        | Network Address   | Subnet Mask     | Lowest Useable IP | Highest Useable IP | IP for Default Router |
| SalesWest   | 154.103.16.0/23   | 255.255.254.0   | 154.103.16.1      | 154.103.17.254     | 154.103.16.2          |
| FinanceWest | 154.103.18.0/24   | 255.255.255.0   | 154.103.18.1      | 154.103.18.254     | 154.103.18.2          |
| SalesEast   | 154.103.19.0/25   | 255.255.255.128 | 154.103.19.1      | 154.103.19.126     | 154.103.19.2          |
| FinanceEast | 154.103.19.128/26 | 255.255.255.192 | 154.103.19.129    | 154.103.19.190     | 154.103.19.130        |
| EAST-WEST   | 192.168.0.1/30    | 255.255.255.252 | 192.168.0.1       | 192.168.0.2        | N/A                   |

**Q1: Include a copy of this table in your submission (4 points)**

Once the table is complete, build the following network within Packet Tracer with the starter file (note: you'll want to use 2960 switches).

![Lab92_diagram.PNG](https://champlain.instructure.com/courses/2682962/files/401278161/preview)

Configure this network (but don't add routes yet!) using the IP ranges the class settled on from the table above.

**Q2: Explain in your own words what is happening when SalesWest1 tries to ping SalesEast.** This can be a simple list (e.g. #1 SalesWest1 checks the IP of SalesEast to see if it is on the same network using subnet masks...) **(1 point)**

**Configure Routing**

Based on your work from Lab 9-1, add static routes to the East and West routers to enable pings across the West and East sites.

**Q3: Take a screenshot of a successful ping between SalesWest1 and SalesEast, and include it with your submission. (1 point)**

**Q4: Take a screenshot of a successful ping between FinanceEast and FinanceWest, and include it with your submission. (1 point)**
![[lab82 network overview.png|382]]

**Q5: Include in your submission the commands that you entered on the routers to enable connectivity. (1 point)**
```
West Router:
Router(config)#ip route 154.103.19.0 255.255.255.128 192.168.0.2
Router(config)#ip route 154.103.19.128 255.255.255.192 192.168.0.2

East Router:
Router(config)#ip route 154.103.16.0 255.255.254.0 192.168.0.1
Router(config)#ip route 154.103.18.0 255.255.255.0 192.168.0.1
```
**Q6: Copy the router config and take a screenshot from each router showing an IP address on an interface. (2 points)**
![[lab82 screenshot.png]]
**Submission Summary:**

- **Copy of the class Subnet Table from Q1**
- **Answer to questions from Q2 and Q5**
- **Screenshots from Q3 and Q4**
- **Commands entered on each router to enable connectivity**
- **Screenshots from Q6**