NET 150 03 - rtji0/Arthur-Tech-Journal GitHub Wiki

1/23/2024

  • Created tech journal its pretty cool

1/30/2024 - Lab 2-1 and 2-2

  • Found (attempted to) IPv4 of the default gateway and other websites to ping them. Should probably meet with Ginter about it

  • ping - pings a given ip/url

  • nslookup - for finding website ips

  • ipconfig /all - find the ip of the default gateway

  • Got stuck because URL was not recognized by ping function. I think it is because I am not connected to ethernet?

  • What is a MAC address and what are its components?

MAC addresses are codes used to find and communicate with devices on a network. It is a 12-digit hexadecimal number and are assigned to a Network Interface Controller (NIC). The first half (6 chars) is called the Block ID, and are for identifying the vendor of the network interface. The last 6 digits are assigned by said vendor, and are unique to the machine.

  • How to get a MAC address.

Find the packet and check the Source and Destination tabs under the Ethernet tab

  • What is Wireshark and how to use it.

Wireshark is a software that allows you to analyze network packets

  • How to find a protocol in Wireshark.

Search for the packet you are looking for and find the IPv4 tab

2/9/2024 - Lab 3-1 and 3-2

  • arp -d or netsh interface ip delete arpcache to clear arp cache
  • Started working with ARP requests, using VM for admin controls.
  • Successfully cleared ARP cache, pinged default gateway and pinged Ginter's sample VM
  • Drew a diagram of how I think ARP requests work
  • TO DO: Make sure to document among other things, how to dump your arp cache in linux (see videos from module 2) in linux. Make sure to reflect on this exercise as well.

2/11/2024 - Lab 4-1 and 4-2

2/13/2024 - Lab 4-3

2/20/2024 - Lab 5-1

https://docs.google.com/document/d/1ozq-JFoLPrJUdqri-BV7Hm6wsckX5MBoOEk1WHiIE8E/edit?usp=sharing

  • Created networks in which devices can communicate through a router.
  • Sniffer seems to need copper cross over wire on Eth0 ports despite it working fine without in the video

AFVASDF

2/26/2024 - Lab 6-2

  • Simulated networks of Foster, Joyce, and Skiff halls, wired them up to be able to ping each other.
  • Serial DCE cables requires a NIM-2T module to plug in
  • Don't forget about RIP and 64000 clock rate for all serial cables

dev1

Lab 7-1 and 7-2

  • forgot about these, will do later

4/5/2024 Lab 9-1 and 9-2

  • need to finish part 2

4/5/2024 Lab 10-1

  • Used RIP to help route communication between different networks, analyzed packets.

dsds

4/5/2024 Lab 11-1

  • Set up VLANs between different floors for different divisions in a company

4/5/2024 Lab 11-2

  • Connected router to Lab 11-1 setup, "router on a stick" style
  • Fixed some errors in router CLI

4/13/2024 Lab 10-2

Work done in packet tracer:

  • assigned ips for end devices and routers
  • static routing for routers 0 and 1, able to ping all devices from test machine
  • ripv2 for router 2 and 3 -vlan for switch0, laptops put on opposing vlans

-this took me way longer than it needed to for absolutely no reason