2.5 Assigning IP Addresses Flashcards
IPv4 address configuration used to be ____
manual
(IP address, subnet mask, gateway, DNS servers, NTP servers)
The bootstrap protocol was introduced in what year? (BOOTP)
1993
What was BOOTP?
bootstrap protocol that defined network address configurations but some manual configurations were still required
(it didn’t know when iP address may be available again)
When was DHCP released?
1997 and updated throughout the years
What is the DHCP process nicknamed?
DORA
What are the 4 steps of the DHCP process? With details of each step
- Discover (client finds all available DHCP servers)
- Offer (server sends IP options to client)
- Request (client chooses IP, makes formal request to DHCP server)
- Acknowledgement (DHCP server sends ack to client)
With DHCP your IP address will occasionally change. T or F?
True
DHCP assigns an IP address from where?
from the first available from a large pool of addresses
What 3 reasons would you want to have a static address?
- Server
- Printer
- Personal preference
How do you configure a static address?
Disable DHCP on the device and configure the IP address information manually
What’s an even better way to configure a static address?
configure an IP reservation on the DHCP server (associate a specific MAC address with an IP address)
What’s the downside of manual IP configurations?
Difficult to change later, have to go to the device again (which is why a DHCP reservation is preferable)
What does APIPA stand for?
Automatic Private IP Addressing
What is APIPA?
a link-local address (no forwarding is done by routers)
IETF has reserved what IP addresses for APIPA?
169.254.0.0 - 169.254.255.255
