DHCP protocol

Dynamic Host Configuration

• UDP /67 ,UDP /68
• Requiers a DHCP server
  • In home this is incorporated to your home router

1

Assainging Ip

Dynamic / pooled

• IPv4 address are assaigned in real-time from a pool
• Each system is given a ip for a certian amout of time and must renew at set intervals

DHCP reservation

• Addresses are assigned by MAC address in the DHCP server
• Quickly manage adresses from one location

2

3

Managing DHCP in the enterprise

Limited connections - Uses IPv4 address broadcast domain - Stops at router Multiple servers neeeded for redundacy - Across diffrent location Scalibity is always an issue - May not want to mangae DHCP server in every remote location 4

IP helper

5

[!quote] [[ports#Common ports]]