1. IP IP (DHCPDISCOVER).
2. BOOTP DHCP .
3. DHCP (DHCPOFFER), IP .
4. .
5. (DHCPREQUEST).
6. , DHCP (DHCPACK). , , IP, , DHCPDISCOVER.
7. , DHCP DHCP, DNS IP.
8. IP, () , .
9. , DHCPREQUEST , " ".
10. , " " DHCPREQUEST , . , DHCP .
" " , DHCP. DHCP " "; , , , " ".
DHCP - BOOTP, UDP. DHCP BOOTP. , - BOOTP IP . , DHCP .
DHCP , , ( 5000) . DHCP .
DHCP AIX :
dhcpcd
dhcpsd
dhcprd
DHCP RS/6000 LAN- , Ethernet, Token-Ring FDDI. , DHCP RFC DHCP.
, DHCP AIX.
| DHCP | DHCP |
| AIX V4.2 | MacOS, Windows 3.x, Windows 95,Windows NT 3.5, Chameleon,FTP Software, AIX V4.1.4 |
| AIX V4.1.4 | OS/2 Warp Connect |
| OS/2 Warp Server, SUN Solaris,FTP Software, Competitive Automation | AIX V4.2, AIX V4.1.4 |
RS/6000 : , BOOTP.
DHCP IP, . , ASCII (GUI).
DHCP : , .
DHCP, . DHCP IP .
- . . , , , . .
- . TCP/IP MAC . , .
, . , . ( ) , , .
, :
;
;
;
.
. , IP .
, . , , .
DHCP "" IP Internet (InterNIC) IP C B.
"" .
C , () . , .
B : , , , .
B C . C, C.
, C .
network : - , , .
- 2 240, 1 "" , 240 .
( , , .)
network 192.100.10.0 192.100.10.2-192.100.10. 240
{
option 1 255.255.255.0 * C
option 3 193.100.10.1 * gateway/
option 6 129.35.40.5 * DNS
option 5 2 hours * « », 2 ,
*
* .
option 15 "marketing.x.com" *
}
C , .
network 129.35.0.0 24 * NIC B 129.35.0.0
* 24
{
option 1 255.255.255.0 * B
subnet 129.35.10.0 *
{ *
client 0 0 129.35.10.1 * 129.35.10.1
*
option 3 129.35.10.1 * gateway/
option 6 129.35.40.5 * DNS
option 15 "producttest.x.com" *
}
subnet 129.35.20.0 129.35.20.2-129.35.20.200
{ *
option 3 129.35.20.1 * gateway/
option 6 129.35.40.5 * DNS
option 15 "manufacturing.x.com" *
}
subnet 129.35.30.0 129.35.30.2-129.35.30.215
{ *
option 3 129.35.30.1 * gateway/
option 6 129.35.40.5 * DNS
option 15 "rnd.x.com" *
}
}
, C.
network 129.35.0.0 25 * nic- B 129.35.0.0 * 25 * 256 . { option 1 255.255.255.128 * B subnet 129.35.40.0 129.35.40.64-129.35.40.12 6 * { option 3 129.35.40.1 * gateway/ option 6 129.35.40.5 * DNS option 15 "netserver.x.com" * } subnet 129.35.40.128 * { option 3 129.35.40.129 * gateway/ option 6 129.35.40.5 * DNS option 15 "accounting.x.com" * client 0 0 129.35.40.129 * 129.35.40.129 client 10x1005ACABADAE 129.35.40.130 * IP 129.35.40.130 * Ethernet 0x1005ACABADAE } }
.
supportunlistedClients yes *
*
supportBOOTP yes * «» - ,
* BOOTP
leasetimedefault 5 days * « » IP
leaseexpireInterval 1 day * DHCP
* IP , - ,
*
*
DHCP .
/etc/dhcpsd.cnf.
, /etc/rc.tcpip , SMIT.
# Smit tcpip Further Configuration - > Server Network Services - > Other Available Services - > Dhcpsd Subsystem
DHCP . dhcpsconf.
:
Option list -
,
Key list - , ,
,
Main window list -
, DHCP , . , , . . DHCP . , . , DHCP , .
, :
TCP/IP - , NetBIOS ..
- (LPR), (DNS), (NTP) ..
:
dhcpcd.ini - DHCP, , . .
/etc/rc.net - .
SMIT :
smit tcpip- > Use DHCP for TCP/IP Configuration & Startup
SMIT , DHCP TCP/IP :
smit tcpip -> Further Configuration - > Server Network Services - > Other Available Services - > Dhcpcd Subsystem
, , IP .
<>, <> . - - , , MAC-.
DHCP .
:
Client < > < > < IP >
1=Ethernet <> <none>
6=token-ring <any>
1=FDDI
0= <> on the next field
. :
| IP | |||
| 0 | 0 | <IP > | <IP > |
| 0 | <> | <IP > | , <> <IP > |
| <type> | <address> | <IP > | <type> <address> IP <IP > |
| <type> | <address> | none | IP |
| 0 | <> | none | <> |
| <type> | <address> | any | IP . supportunlistedclients=no. |
| 0 | <> | any | IP <>. supportunlistedclients=no. |
BOOTP , ; , AIX BOOTP .
BOOTP DHCP.
/etc/dhcprd.cnffile. , .
. - 360 .