???? DHCP ???????? ??? Windows Server 2003 ?? ?????? ???? ???? ?????? ????? DHCP ??? ?? ????? ????? ??????? ?? API ????? IP ?? ?? ??????? ???????

???? ??? ????????? ??????:

• ????? ???? ???? ????? ??????? Windows Server 2003 ???????? ???????? ????? ???? (DHCP) ???? ????? DHCP ?? API ????? IP ?? ?? ???? ?????.
• ?? ????? ?? ???? ?? ??? ??????.

?? ??? ?????????? ???? ???? DHCP ???????? ??? Windows Server 2003 ????? ??? ???? ??? API ????? IP ?? ???? ?????. ????? ????? ?? ???? ?????? ??? "yiaddr" ??? 0. ?? ?????? ??? ?????? ?? ??? ?????? ??? ??????? (RFC) 2131 ? "???????? ??????? ?????? ??????."

?? ??? ?????????? API ????? IP ?? ???? ????? ??? ???? ??? ????? ????? ???? ??????? ??? ?????? ?????? ???? ????? DHCP.

??? ???? ??????? ????? ????? ?????????? ????? 11 ????? ????? ??? ????????? "??? ??????? ??????" ?????? ??????? (WebDAV) ??? ???? ?????? ?????? ??? ???? Microsoft SharePoint. ?????? ???? ???? ??? WebDAV ????? DHCP ????? ??????? ????????? ??????? ????? ?????? HTTP.

????? ????? ???? ????? ?? Microsoft. ???? ????? ??? ?? ?? ??????? ??????? ?? ??? ???????. ????? ??? ??????? ?????? ??? ??? ??????? ???? ????? ??? ??????? ????????. ?? ??? ????? ???????? ?????? ??? ??? ??????? ??????. ?????? ??? ?? ??? ????? ??? ??????? ??????? ???? ????????? ??? ??????? ?????? ?? ????? ???????? ???? ????? ??? ??? ??????? ??????.

?? ???? ????? ??????? ?????? ???? ??? "???? ????? ??????? ????" ???? ????? ????? ??????? ??? ???. ??? ?? ???? ??? ?????? ???? Microsoft ???? ??????? ?????? ?????? ??? ??????? ??????.

?????? ???? ?????? ?????? ?? ?? ?? ???? ?????? ??? ??????? ??????? ???????? ?? ???? ????? ????? ??? ???? ?????. ???? ????? ?????? ????? ???????? ??? ????? ????? ???????? ????????? ???? ?? ???? ??? ???? ??? ??????? ?????? ????????. ?????? ????? ????? ?????? ????? Microsoft ???? ??????? ?????? ?????? ????? ?? ?????? ??? ???? ????? ?? ?????? ???? Microsoft ?????? ??? ?????: ?????? ???? ????? "???? ????? ??????? ??????" ?????? ???? ????? ??????? ??????. ??? ?? ????? ????? ?????? ??? ???? ??? ???? ?? ????? ????? ???? ???? ?????.

????????? ????????

?????? ??? ??????? ??????? ??? ?? ???? ???? Windows Server 2003 ?????? ????? ?????? Service Pack 1 ?? Windows Server 2003 Service Pack 2 ?????.

????? ????? ?????

??? ???? ??? ????? ????? ???? ????????? ??? ????? ??? ??????? ??????. ??? ???? ??? ????? ????? ???? DHCP.

??????? ??????? ??????? ??????

?? ??? ??? ??????? ?????? ??? ??? ??????? ????? ????.

??????? ?????

????? ????? ????? ?????????? ?? ??? ??????? ?????? ???? ????? (?? ???? ????) ??????? ?? ?????? ??????. ??? ??? ???????? ???????? ?????? ???? ??????? ?? ???? ??????? ??????? (UTC). ????? ???? ???? ??????? ?????? ??? ??????? ??? ??????? ??????. ?????? ????? ??? ??????? ??????? (UTC) ???????? ??????? ?????? ????? ??????? ??????? ??????? ?? ???? ??????? ?????? ?? "???? ??????".

???? ??????? Windows Server 2003 ?????? ????? ?????? Service Pack 1? x 86-based ?????????

???? ??????? Windows Server 2003 ?????? ????? ?????? Service Pack 2? x 86-based ?????????

???? ??????? Windows Server 2003 ?????? ????? ?????? Service Pack 1? ????????? ???? ????? ??? Itanium

???? ??????? Windows Server 2003 ?????? ????? ?????? Service Pack 2? ????????? ???? ????? ??? Itanium

Windows Server 2003? ????????? ???? ????? ??? 64 x

???? ??????? Windows Server 2003 ?????? ????? ?????? Service Pack 2? x ????????? ???? ????? ??? 64

????????? ????? ??? ??????? ?????? DHCP ???????? ??? Windows Server 2003 ?????? ?????? ????? ???? ???? ?? ????????? ???? ?? ???????? ?? ? ??????? ?.

???? Microsoft ?? ??? ????? ?? ?????? Microsoft ??????? ?? ??? "????? ???".

??????? ??????? ???? ?? ????????? ??????? ?? ??? "???????":

1. ???? ???? DHCP ??? ????? DHCP ?? ?? ?? ??????? ??? ???.

   + Ethernet: Etype = Internet IP (IPv4)
   + Ipv4: Src = 10.10.18.18, Dest = 255.255.255.255, Next Protocol = UDP, Packet ID = 6076, Total IP Length = 328
   - Udp: SrcPort = BOOTP client(68), DstPort = BOOTP server(67), Length = 308
   SourcePort: BOOTP client(68), 68(0x44)
   DestinationPort: BOOTP server(67), 67(0x43)
   TotalLength: 308 (0x134)
   Checksum: 7521 (0x1D61)
   - Dhcp: Request, MsgType = INFORM, TransactionID = 0x1A5624C3
   OpCode: Request, 1(0x01)
   Hardwaretype: Ethernet
   HardwareAddressLength: 6 (0x6)
   HopCount: 0 (0x0)
   TransactionID: 441853123 (0x1A5624C3)
   Seconds: 0 (0x0)
   - Flags: 32768 (0x8000)
   Broadcast: (1...............) <---- Broadcast bit is set.
   Reserved: (.000000000000000)
   ClientIP: 10.10.18.18
   YourIP: 0.0.0.0
   ServerIP: 0.0.0.0
   RelayAgentIP: 0.0.0.0
   + ClientHardwareAddress: 00-19-B9-20-FA-0E
   ServerHostName: 
   BootFileName: 
   MagicCookie: 99.130.83.99
   + MessageType: INFORM
   + clientID: (Type 1)
   + HostName: VISTA009W
   + VendorClassIdentifier: MSFT 5.0
   + ParameterRequestList: 
   + End:
   

2. The relay agent forwards a DHCP INFORM request that resembles the following to a DHCP server.

   Frame: 
   + Ethernet: Etype = Internet IP (IPv4)
   + Ipv4: Src = 10.10.16.2, Dest = 10.4.16.222, Next Protocol = UDP, Packet ID = 45398, Total IP Length = 328
   - Udp: SrcPort = BOOTP client(68), DstPort = BOOTP server(67), Length = 308
   SourcePort: BOOTP client(68), 68(0x44)
   DestinationPort: BOOTP server(67), 67(0x43)
   TotalLength: 308 (0x134)
   Checksum: 49722 (0xC23A)
   - Dhcp: Request, MsgType = INFORM, TransactionID = 0x1A5624C3
   OpCode: Request, 1(0x01)
   Hardwaretype: Ethernet
   HardwareAddressLength: 6 (0x6)
   HopCount: 1 (0x1)
   TransactionID: 441853123 (0x1A5624C3)
   Seconds: 0 (0x0)
   - Flags: 32768 (0x8000)
   Broadcast: (1...............) <---- Broadcast bit is set
   Reserved: (.000000000000000)
   ClientIP: 10.10.18.18
   YourIP: 0.0.0.0
   ServerIP: 0.0.0.0
   RelayAgentIP: 10.10.16.2
   + ClientHardwareAddress: 00-19-B9-20-FA-0E
   ServerHostName: 
   BootFileName: 
   MagicCookie: 99.130.83.99
   + MessageType: INFORM
   + clientID: (Type 1)
   + HostName: VISTA009W
   + VendorClassIdentifier: MSFT 5.0
   + ParameterRequestList: 
   + End:
   

3. ?????? ???? DHCP ??? ??? ????? DHCP ??? ????? ??????? ?? ??? ??? ????? ??. ??? ??? ?? ?????????.

   Frame: 
   + Ethernet: Etype = Internet IP (IPv4)
   + Ipv4: Src = 10.4.16.222, Dest = 10.10.16.2, Next Protocol = UDP, Packet ID = 27188, Total IP Length = 328
   - Udp: SrcPort = BOOTP server(67), DstPort = BOOTP server(67), Length = 308
   SourcePort: BOOTP server(67), 67(0x43)
   DestinationPort: BOOTP server(67), 67(0x43)
   TotalLength: 308 (0x134)
   Checksum: 64061 (0xFA3D)
   - Dhcp: Reply, MsgType = ACK, TransactionID = 0x1A5624C3
   OpCode: Reply, 2(0x02)
   Hardwaretype: Ethernet
   HardwareAddressLength: 6 (0x6)
   HopCount: 0 (0x0)
   TransactionID: 441853123 (0x1A5624C3)
   Seconds: 0 (0x0)
   - Flags: 0 (0x0)
   Broadcast: (0...............) <- Broadcast bit is cleared
   Reserved: (.000000000000000)
   ClientIP: 10.10.18.18
   YourIP: 0.0.0.0              <-- It is correct behavior. However, the relay agent will use this address if the broadcast bit is cleared.
   ServerIP: 0.0.0.0
   RelayAgentIP: 10.10.16.2
   + ClientHardwareAddress: 00-19-B9-20-FA-0E
   ServerHostName: 
   BootFileName: 
   MagicCookie: 99.130.83.99
   + MessageType: ACK
   + ServerIdentifier: <XX.X.XX.XXX>
   + SubnetMask: 255.255.128.0
   + DomainName: <domain_name>
   + Router: <XX.XX.XX.X>
   + DomainNameServer: <X.X.XXXXXXXXX.XXXXXXXXX>
   + NBOverTCPIPNameServer: <X.X.XXXXXXXXX.XXXXXXXXX>
   + NodeType: H-node (8)
   + End:
   

4. ??? 2131 RFC ???? ???? ????? ????? ?????? ??? ???.

   Frame: 
   + Ethernet: Etype = Internet IP (IPv4)
   + Ipv4: Src = 10.10.16.2, Dest = 0.0.0.0, Next Protocol = UDP, Packet ID = 45402, Total IP Length = 328 destination 0.0.0.0 as YourIP ('yiaddr') is 0.0.0.0
   - Udp: SrcPort = BOOTP server(67), DstPort = BOOTP client(68), Length = 308
   SourcePort: BOOTP server(67), 67(0x43)
   DestinationPort: BOOTP client(68), 68(0x44)
   TotalLength: 308 (0x134)
   Checksum: 0 (0x0)
   - Dhcp: Reply, MsgType = ACK, TransactionID = 0x1A5624C3
   OpCode: Reply, 2(0x02)
   Hardwaretype: Ethernet
   HardwareAddressLength: 6 (0x6)
   HopCount: 0 (0x0)
   TransactionID: 441853123 (0x1A5624C3)
   Seconds: 0 (0x0)
   - Flags: 0 (0x0)
   Broadcast: (0...............) <- no broadcast bit
   Reserved: (.000000000000000)
   ClientIP: 10.10.18.18
   YourIP: 0.0. 00.
   ServerIP: 0.0.0.0
   RelayAgentIP: 10.10.16.2
   + ClientHardwareAddress: 00-19-B9-20-FA-0E
   ServerHostName: 
   BootFileName: 
   MagicCookie: 99.130.83.99
   + MessageType: ACK
   + ServerIdentifier: <XX.X.XX.XXX>
   + SubnetMask: 255.255.128.0
   + DomainName: <domain_name>
   + Router: <XX.XX.XX.X>
   + DomainNameServer: <X.X.XXXXXXXXX.XXXXXXXXX>
   + NBOverTCPIPNameServer: <X.X.XXXXXXXXX.XXXXXXXXX>
   + NodeType: H-node (8)
   + End:
   

   
   ???? ???? ?? ????? ???? ???? ?? relays ????? DHCP ?????? ??? DHCP ?????? ??? ??? ?? ???? ?? ??? "????????". ??? ??? ???? 1? ??? ????? ????? DHCP ??? ?? IP ?? ???????? IP ??????? ?????? ?????? IP ?????? ???? ???? ????????. (?? IP ????? ?? ???? ??? 0xffffffff.) ??? ??? ???? ?? 0, ??? ????? ??????? ?? ????? ??????? IP ??? ????? IP ?????? ?? ????? "yiaddr" (??? ????? IP ????? ??) ? ??? ????? ???? ???????? ?????? ?? ????? "chaddr" (??? ????? ?????? ??????). ??? ?? ??? unicasting ???????? ???? ????? ??????? ?? ?? IP ???????? ????? IP ?? (????? ?? ???? 0xffffffff) ?????? ?????? IP. ??? ?? ??? ??????? ????? ???? ???????? ???? ?????? ?????? ???? ????????. ??? ???? ?? ????? ?????? DHCP ??? ?????? ??? ?????? ?????? ?? 0.0.0.0.
   
   ????? ?? ????????? ??? 2131 RFC ?????? ???? "????? ?????? ??????" ???????:
   http://www.ietf.org/rfc/rfc2131.txt

   (http://www.ietf.org/rfc/rfc2131.txt)

????? ?? ?????????? ???? ??? ??? ??????? ?????? ?????? ?? "????? ??????? ?? Microsoft: