Cheatography
https://cheatography.com
Subnetting
| |
Binary form |
Dot-decimal notation |
IP address |
11000000.10101000.00000101.10000010 |
192.168.5.130 |
Subnet mask |
11111111.11111111.11111111.11000000 |
255.255.255.192 |
Network prefix |
11000000.10101000.00000101.10000000 |
192.168.5.128 |
Host part |
00000000.00000000.00000000.00000010 |
0.0.0.2 |
|
|
A Laptop Walks Into a LAN...
DHCP Discovery |
DHCP Offer |
DHCP Request |
DHCP ACK |
ARP Request (For getting to DNS Server) |
ARP Response |
DNS Request |
DNS Response |
ARP Request (For getting to the host) |
ARP Response |
TCP SYN |
TCP SYN-ACK |
TCP ACK |
TCP GET |
TCP Response |
TCP FIN |
TCP FIN-ACK |
TCP ACK |
|
|
BGP
iBGP - Internal (Within an AS) |
eBGP - External (Between Ases) |
Follow the money. |
- Route to customers first |
- Route to peers second |
- Route to Providers last |
Multicast
CBT: Core Based Tree |
- Pick a node that acts as the CORE |
- If you want to send to the multicast group. send towards the core. |
- If the message hits the spanning tree. Flood the tree |
| |
DVMRP: Distance-vector multicast routing protocol |
- Use least cost path to reach every member of the multicast group. |
- Centered on the sender |
|
Created By
Metadata
Comments
No comments yet. Add yours below!
Add a Comment