( ) | ||
op | . : BOOTREQUEST (1, ) BOOTREPLY (2, ). | |
htype | . RFC Assigned Numbers. , MAC- Ethernet 10 / 1. | |
hlen | . MAC- Ethernet 6. | |
hops | ( DHCP), . 0. | |
xid | , . | |
secs | . ( 0). | |
flags | DHCP. | |
ciaddr | IP- . , IP- ARP ( , ). | |
yiaddr | IP- , . | |
siaddr | IP- . DHCP (. ). | |
giaddr | IP- , DHCP . | |
chaddr | ( MAC-) . | |
sname | - . | |
file | , . sname, - . | |
options | DHCP. . 99, 130, 83, 99 ( ), . , DHCP- DHCP- 576 ( options 340 ). |
IP- DHCP (. 4.2). , IP-, 192.168.20.100. .
DHCP.
DHCP-. DHCPDISCOVER, IP- 0.0.0.0 ( IP-), 255.255.255.255.
:
- xid , IP- , .
|
|
- chaddr (MAC-) .
- IP-. 192.168.20.100. .
DHCPDISCOVER DHCP, DHCP .
DHCP
, . DHCP- 192.168.20.100. (DHCPOFFER), . IP- yiaddr. (, DNS-) .
DHCP- , DHCPDISCOVER, MAC-, . DHCP , , .
DHCP
, DHCP-, DHCP (DHCPREQUEST). , , DHCPDISCOVER, DHCP-, ( 192.168.20.5).
DHCP
, (DHCPACK) . , .
. 4.2. ( 1,2,3,4).