What is an Interface?
connection between
host/router and physical link
What’s a subnet ?
device interfaces that can
physically reach each other
without passing through an
intervening router
How does host get IP address?
hard coding or DHCP(Dynamic Host Config Protocol)
What is the goal of the DHCP?
host dynamically obtains IP address from network server when it
“joins” network
DHCP overview:(describe the process)
host broadcasts DHCP discover msg [optional]
▪ DHCP server responds with DHCP offer msg [optional]
▪ host requests IP address: DHCP request msg
▪ DHCP server sends address: DHCP ack msg