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Recap - First Conversation

Lesson 9 of 35 in Coddy's LAN Labs course.

Challenge

Easy

The home lab (laptop and printer on switch office) has no addresses yet. Give the laptop 10.0.0.11/24 and the printer 10.0.0.12/24, ping the printer from the laptop, then show the switch's MAC table.

Expected output:

laptop eth0: 10.0.0.11/24 (mask 255.255.255.0, network 10.0.0.0/24)
printer eth0: 10.0.0.12/24 (mask 255.255.255.0, network 10.0.0.0/24)
laptop -> printer: reply from 10.0.0.12 (ttl=64)
PORT   MAC                LEARNED-FROM
port1  02:c0:dd:ff:53:7e  laptop
port2  02:c0:dd:3c:85:e3  printer

Try it yourself

Terminal

All lessons in LAN Labs

1Meet the Lab

Your First Lab Cables Wires Are Not Enough Recap - Build a Lab

4Routers and Gateways

Two Networks The Default Gateway Both Sides Need a Way Back Routing Tables Recap - Connect the Floors

7Growing the Office

The Plan Sales Comes Online Engineering Joins Gateways Everywhere Recap - The Printer

2Addresses on the LAN

Giving a Host an Address The First Ping What ARP Learned The Switch Learns TooRecap - First Conversation

5Troubleshooting I

The Unplugged Host The Missing Gateway The Typo in the Mask Recap - Two Faults

8Capstone - Fix the Branch

Survey the Damage Fix the Address Clash Masks and Gateways Recap - Prove It Works

3Masks Matter

Wrong Mask, No Reply Same Switch, Other Subnet Let check Do the Looking Recap - Diagnose the Pair

6Troubleshooting II

Two Devices, One Address The Network Address Trap Gateway on the Wrong Subnet Recap - The Silent Router

Practice on your own: Terminal playground