From e626f044a40730a09e910951806b11830f2b3b89 Mon Sep 17 00:00:00 2001 From: Jet Hughes Date: Wed, 1 Mar 2023 09:33:35 +0900 Subject: [PATCH] vault backup: 2023-03-01 09:33:35 --- content/notes/01-network and hardware protocols.md | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/content/notes/01-network and hardware protocols.md b/content/notes/01-network and hardware protocols.md index 9a8c195fc..3bc404eaf 100644 --- a/content/notes/01-network and hardware protocols.md +++ b/content/notes/01-network and hardware protocols.md @@ -29,4 +29,10 @@ Port number distinguishes addresses at the transport/application layer. ARP - to find destination MAC address given IP address - send broadcast message to everyone - who had this IP address? What is your MAC address - the store the results of the MAC:IP pairing -- \ No newline at end of file +- `sudo arp -a` list arp pairings + +Journey of IP packet. ![](https://i.imgur.com/TKw5s1Y.png) + +routing table created - manual or dynamic. DNS, etc + +TCP IP moves the data - there are more protocols within the TCP IP layer that help it to work better. \ No newline at end of file