DHCP (µ¿Àû È£½ºÆ® ±¸¼º ÇÁ·ÎÅäÄÝ) ±âº» »çÇ×

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µ¿Àû È£½ºÆ® ±¸¼º ÇÁ·ÎÅäÄÝ(DHCP) RFC RFC 2131¿¡ ÀÇÇØ ´ëüµÈ)´Â µ¿ÀûÀ¸·Î IP ÁÖ¼Ò ÁöÁ¤ ¹èÆ÷ÇÒ ¼­¹ö ¹× Ŭ¶óÀÌ¾ðÆ® ±¸¼º Á¤º¸¸¦ Çã¿ëÇÏ´Â 1541¿¡ ÀÇÇØ Á¤ÀǵǴ ǥÁØ ÇÁ·ÎÅäÄÝÀÔ´Ï´Ù. ÀϹÝÀûÀ¸·Î DHCP ¼­¹ö°¡ Ŭ¶óÀÌ¾ðÆ®¿¡ ÃÖ¼ÒÇÑ Á¦°øÇÕ´Ï´Ù ÀÌ ±âº» Á¤º¸:
  • IP ÁÖ¼Ò

  • ¼­ºê³Ý ¸¶½ºÅ©

  • ±âº» °ÔÀÌÆ®¿þÀÌ
±âŸ Á¤º¸, µµ¸ÞÀÎ À̸§ ¼­ºñ½º(DNS) ¼­¹ö ÁÖ¼Ò ¹× WINS (Windows ÀÎÅÍ³Ý À̸§ ¼­ºñ½º (¿¹: ¼­¹ö ÁÖ¼Ò´Â Á¦°øÇÒ ¼ö ÀÖ½À´Ï´Ù. ½Ã½ºÅÛ °ü¸®ÀÚ°¡ DHCP ¼­¹ö°¡ Ŭ¶óÀÌ¾ðÆ®¿¡ µ¥ÀÌÅ͸¦ ±¸¹® ¿É¼ÇÀ¸·Î ±¸¼ºÇÕ´Ï´Ù.

Ãß°¡ Á¤º¸

´ÙÀ½ Á¦Ç°¿¡¼­ DHCP Ŭ¶óÀÌ¾ðÆ® ±â´ÉÀ» Á¦°øÇÕ´Ï´Ù.
  • Windows NT Server ¹öÀü 3.5, 3.51 ¹× 4

  • Windows NT ¿öÅ©½ºÅ×ÀÌ¼Ç ¹öÀü 3.5, 3.51 ¹× 4

  • Windows 95

  • Microsoft ³×Æ®¿öÅ© Ŭ¶óÀÌ¾ðÆ® MS-DOS ¹öÀü 3.0

  • Microsoft LAN Manager Ŭ¶óÀÌ¾ðÆ® MS-DOS ¹öÀü 2.2 c

  • Microsoft TCP/IP-32 ÀÛ¾÷ ¹öÀüÀÇ Windows 3.11, 3.11a ¹× 3.11b
´Ù¸¥ DHCP Ŭ¶óÀÌ¾ðÆ®°¡ DHCP ¼­¹ö¿¡¼­ ¹ÞÀ» ¼ö ÀÖ´Â ´Ù¸¥ ¿É¼ÇÀ» Áö¿øÇÕ´Ï´Ù. Microsoft DHCP Ŭ¶óÀÌ¾ðÆ®¿¡¼­ Áö¿øµÇ´Â ƯÁ¤ DHCP ¿É¼Ç¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº Microsoft ±â¼ú ÀÚ·áÀÇ ´ÙÀ½ ¹®¼­¸¦ ÂüÁ¶ÇϽʽÿÀ.
121005 Ŭ¶óÀÌ¾ðÆ®¿¡¼­ Áö¿øÇÏ´Â DHCP ¿É¼Ç
Microsoft ¼­¹ö ¿î¿µ üÁ¦ DHCP ¼­¹ö ±â´ÉÀ» Á¦°øÇÕ´Ï´Ù.
  • Windows NT Server ¹öÀü 3.5

  • Windows NT Server ¹öÀü 3.51

  • Windows NT Server 4.0 ¹öÀü
Ŭ¶óÀÌ¾ðÆ®°¡ DHCP Á¤º¸¸¦ ¹Þµµ·Ï ±¸¼ºµÈ ÈÄ Ã³À½ ÃʱâÈ­ÇÒ ¶§ ¼­¹ö°¡ ´ëÈ­¸¦ ½ÃÀÛÇÕ´Ï´Ù.

¾Æ·¡ ¿ä¾à Ŭ¶óÀÌ¾ðÆ® ¹× ÇÁ·Î¼¼½º ÆÐŶ ¼öÁØ ¼³¸íÀ» ´ÙÀ½¿¡ ¼­¹ö »çÀÌÀÇ ´ëÈ­¸¦ Å×À̺íÀÔ´Ï´Ù.
   Source     Dest        Source     Dest              Packet
   MAC addr   MAC addr    IP addr    IP addr           Description
   -----------------------------------------------------------------
   Client     Broadcast   0.0.0.0    255.255.255.255   DHCP Discover
   DHCPsrvr   Broadcast   DHCPsrvr   255.255.255.255   DHCP Offer
   Client     Broadcast   0.0.0.0    255.255.255.255   DHCP Request
   DHCPsrvr   Broadcast   DHCPsrvr   255.255.255.255   DHCP ACK
				

ÀÚ¼¼ÇÑ ´ëÈ­¸¦ DHCP Ŭ¶óÀÌ¾ðÆ®¿Í DHCP ¼­¹ö ´ÙÀ½°ú °°½À´Ï´Ù.:

DHCPDISCOVER

Ŭ¶óÀÌ¾ðÆ®°¡ DHCPDISCOVER ÆÐŶÀ» º¸³À´Ï´Ù. ´ÙÀ½Àº DHCPDISCOVER ÆÐŶ IP ¹× DHCP ºÎºÐÀ» º¸¿© ÁÖ´Â ³×Æ®¿öÅ© ¸ð´ÏÅÍ Ä¸Ã³ ¹ßÃéÇÑ °ÍÀÔ´Ï´Ù. IP ¼½¼Ç¿¡¼­ 255.255.255.255 ´ë»ó ÁÖ¼Ò ¹× ¿øº» ÁÖ¼Ò¸¦ 0.0.0.0ÀÔ´Ï´Ù º¼ ¼ö ÀÖ½À´Ï´Ù. DHCP ¼½¼Ç °Ë»ö ÆÐŶ ÆÐŶÀ¸·Î ½Äº°ÇÏ°í µÎ À§Ä¡¿¡ ½ÇÁ¦ ³×Æ®¿öÅ© Ä«µå ÁÖ¼Ò¸¦ »ç¿ëÇϴ Ŭ¶óÀÌ¾ðÆ® ½Äº°ÇÕ´Ï´Ù. CHADDR ÇÊµå ¹× DHCP °ª Âü°í: Ŭ¶óÀÌ¾ðÆ® ½Äº°ÀÚ ÇÊµå µ¿ÀÏÇÕ´Ï´Ù.
IP: ID = 0x0; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 0 (0x0)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x39A6
    IP: Source Address = 0.0.0.0
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: Discover           (xid=21274A1D)
    DHCP: Op Code           (op)     = 1 (0x1)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 556223005 (0x21274A1D)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 0.0.0.0
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP Discover
        DHCP: Client-identifier      = (Type: 1) 08 00 2b 2e d8 5e
        DHCP: Host Name              = JUMBO-WS
        DHCP: Parameter Request List = (Length: 7) 01 0f 03 2c 2e 2f 06
        DHCP: End of this option field
				

DHCPOFFER

DHCP ¼­¹ö°¡ DHCPOFFER ÆÐŶÀ» º¸³» ÀÀ´äÇÕ´Ï´Ù. ĸó ¹ßÃéÇÑ ¾Æ·¡, ¿øº» IP ±¸¿ª¿¡¼­ Áö±Ý DHCP ¼­¹ö IP ÁÖ¼Ò¸¦ ÁÖ¼ÒÀÌ¸ç ºê·Îµåij½ºÆ® ÁÖ¼Ò°¡ 255.255.255.255ÀÎ ´ë»ó ÁÖ¼ÒÀÔ´Ï´Ù. DHCP ¼½¼ÇÀ» °°ÀÌ Á¦°ø ÆÐŶÀ» ½Äº°ÇÕ´Ï´Ù. YIADDR Çʵå´Â ¼­¹ö°¡ Ŭ¶óÀÌ¾ðÆ®¿¡ Á¦°øÇÒ IP ÁּҷΠä¿öÁý´Ï´Ù. Âü°í CHADDR ÇÊµå ¿©ÀüÈ÷ ¿äû Ŭ¶óÀ̾ðÆ®ÀÇ ½ÇÁ¦ ÁÖ¼Ò°¡ µé¾î ÀÖ½À´Ï´Ù. ¶ÇÇÑ, ¿ì¸®´Â DHCP ¿É¼Ç ÇÊµå ¼½¼Ç¿¡¼­ ÇØ´ç ¼­¹ö¿¡¼­ IP ÁÖ¼Ò ÇÔ²² Àü¼ÛµÇ´Â ´Ù¾çÇÑ ¿É¼ÇÀ» ÂüÁ¶ÇϽʽÿÀ. ÀÌ °æ¿ì ¼­¹öÀÇ ¼­ºê³Ý ¸¶½ºÅ©, ±âº» °ÔÀÌÆ®¿þÀÌ (¶ó¿ìÅÍ), ÀÓ´ë ½Ã°£ º¸³»±â, WINS ¼­¹ö ÁÖ¼Ò (NetBIOS À̸§ ¼­ºñ½º) ¹× NetBIOS ³ëµå Çü½Ä.
IP: ID = 0x3C30; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 15408 (0x3C30)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x2FA8
    IP: Source Address = 157.54.48.151
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: Offer              (xid=21274A1D)
    DHCP: Op Code           (op)     = 2 (0x2)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 556223005 (0x21274A1D)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 157.54.50.5
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP Offer
        DHCP: Subnet Mask            = 255.255.240.0
        DHCP: Renewal Time Value (T1) = 8 Days,  0:00:00
        DHCP: Rebinding Time Value (T2) = 14 Days,  0:00:00
        DHCP: IP Address Lease Time  = 16 Days,  0:00:00
        DHCP: Server Identifier      = 157.54.48.151
        DHCP: Router                 = 157.54.48.1
        DHCP: NetBIOS Name Service   = 157.54.16.154
        DHCP: NetBIOS Node Type      = (Length: 1) 04
        DHCP: End of this option field
				

DHCPREQUEST

Ŭ¶óÀÌ¾ðÆ®°¡ DHCPOFFER ¼ö ÀÖ´Â DHCPREQUEST º¸³» ÀÀ´äÇÕ´Ï´Ù. ĸó ¾Æ·¡¿¡, ¿øº» IP ¼½¼Ç¿¡¼­ Ŭ¶óÀ̾ðÆ®ÀÇ ÁÖ¼Ò¸¦ ¿©ÀüÈ÷ 0.0.0.0 ÀÌ¸ç ÆÐŶÀÌ ´ë»ó ¿©ÀüÈ÷ 255.255.255.255 ÀÔ´Ï´Ù. Ŭ¶óÀÌ¾ðÆ®°¡ Á¦°øÇÑ ÁÖ¼Ò¸¦ »ç¿ëÇÏ¿© ½ÃÀÛ ±¦Âú½À´Ï´Ù ¼­¹ö¿¡¼­ È®ÀÎ ¹ÞÀº ¾ÊÀº ¶§¹®¿¡ Ŭ¶óÀÌ¾ðÆ®°¡ 0.0.0.0À» À¯ÁöÇÕ´Ï´Ù. ´ë»óÀÌ µÑ ÀÌ»óÀÇ DHCP ¼­¹ö¸¦ ÀÀ´äÇÑ ÀÖ½À´Ï´Ù Ŭ¶óÀÌ¾ðÆ®·Î ÀÌ·ç¾îÁø Á¦°ø¿¡ ´ëÇÑ ¿¹¾àÀ» º¸À¯Çϰí ÀÖ½À´Ï´Ù ¶§¹®¿¡ ¿©ÀüÈ÷ ºê·Îµåij½ºÆ®µË´Ï´Ù. ±×·¯¸é ´Ù¸¥ DHCP ¼­¹ö°¡ Á¦°øµÈ ÁÖ¼Ò¸¦ ÇØÁ¦ÇÒ ¼ö ÀÖÀ¸¸ç »ç¿ë °¡´ÉÇÑ Ç®·Î ¹ÝȯÇÏ´Â ¾Ë°í. DHCP ¼½¼ÇÀ» ¿äû ÆÐŶÀ¸·Î ½Äº°Çϰí Á¦°øµÈ DHCP¸¦ »ç¿ëÇÏ¿© ÁÖ¼Ò¸¦ È®ÀÎÇÕ´Ï´Ù: ¿äû ÁÖ¼Ò Çʵå´Â. : DHCP ÀÓ´ë Á¦°øÇÏ´Â DHCP ¼­¹öÀÇ IP ÁÖ¼Ò¸¦ ¼­¹ö ½Äº°ÀÚ Çʵ带 º¸¿© ÁÝ´Ï´Ù.
IP: ID = 0x100; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 256 (0x100)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x38A6
    IP: Source Address = 0.0.0.0
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: Request            (xid=21274A1D)
    DHCP: Op Code           (op)     = 1 (0x1)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 556223005 (0x21274A1D)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 0.0.0.0
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP Request
        DHCP: Client-identifier      = (Type: 1) 08 00 2b 2e d8 5e
        DHCP: Requested Address      = 157.54.50.5
        DHCP: Server Identifier      = 157.54.48.151
        DHCP: Host Name              = JUMBO-WS
        DHCP: Parameter Request List = (Length: 7) 01 0f 03 2c 2e 2f 06
        DHCP: End of this option field
				

DHCPACK

µû¶ó¼­ ÃʱâÈ­ ÁֱⰡ ¿Ï·á DHCPACK ÇÔ²² DHCPREQUEST DHCP ¼­¹ö°¡ ÀÀ´äÇÕ´Ï´Ù. DHCP ¼­¹ö IP ÁÖ¼Ò¸¦ ¿øº» ÁÖ¼Ò ÀÌ¸ç ´ë»ó ÁÖ¼Ò ¿©ÀüÈ÷ 255.255.255.255 ÀÔ´Ï´Ù. Ŭ¶óÀÌ¾ðÆ® ÁÖ¼Ò CHADDR ¹× DHCP YIADDR Çʵ忡: ½ÇÁ¦ ÁÖ¼Ò¸¦ ¿äûÇϴ Ŭ¶óÀÌ¾ðÆ® ³×Æ®¿öÅ© Ä«µåÀÇ Å¬¶óÀÌ¾ðÆ® ½Äº°ÀÚ Çʵ尡 ÀÖ½À´Ï´Ù. DHCP ¿É¼Ç ±¸¿ªÀÇ ÆÐŶÀ» ACK.·Î ½Äº°ÇÕ´Ï´Ù.
IP: ID = 0x3D30; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 15664 (0x3D30)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x2EA8
    IP: Source Address = 157.54.48.151
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: ACK                (xid=21274A1D)
    DHCP: Op Code           (op)     = 2 (0x2)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 556223005 (0x21274A1D)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 157.54.50.5
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP ACK
        DHCP: Renewal Time Value (T1) = 8 Days,  0:00:00
        DHCP: Rebinding Time Value (T2) = 14 Days,  0:00:00
        DHCP: IP Address Lease Time  = 16 Days,  0:00:00
        DHCP: Server Identifier      = 157.54.48.151
        DHCP: Subnet Mask            = 255.255.240.0
        DHCP: Router                 = 157.54.48.1
        DHCP: NetBIOS Name Service   = 157.54.16.154
        DHCP: NetBIOS Node Type      = (Length: 1) 04
        DHCP: End of this option field
				

ÀÌÀü¿¡ ÇÒ´çµÈ IP ÁÖ¼Ò¸¦ DHCP Ŭ¶óÀÌ¾ðÆ®°¡ °¡Áø ´Ù½Ã ½ÃÀÛµÉ °æ¿ì Ŭ¶óÀÌ¾ðÆ®´Â Æ¯È÷ Ư¼ö DHCPREQUEST ÆÐŶ ÀÌÀü¿¡ ÀÓ´ëµÈ IP ÁÖ¼Ò¸¦ ¿äûÇÕ´Ï´Ù. ¿øº» ÁÖ¼Ò 0.0.0.0Àº ÀÌ¸ç ´ë»ó ºê·Îµåij½ºÆ® ÁÖ¼Ò´Â 255.255.255.255 ÀÔ´Ï´Ù. Microsoft Ŭ¶óÀÌ¾ðÆ®°¡ DHCP ¿É¼Ç Çʵå DHCP ä¿ï: ÀÌÀü¿¡ ÇÒ´çµÈ ÁÖ¼Ò°¡ ÁÖ¼Ò ¿äû. ¾ö°ÝÇÏ°Ô RFC ±Ô°Ý Ŭ¶óÀÌ¾ðÆ®´Â ¿äûÇÑ ÁÖ¼Ò¸¦ CIADDR Çʵå ä¿öÁý´Ï´Ù. Microsoft DHCP ¼­¹ö Çϳª¸¦ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
IP: ID = 0x0; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 0 (0x0)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x39A6
    IP: Source Address = 0.0.0.0
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: Request            (xid=2757554E)
    DHCP: Op Code           (op)     = 1 (0x1)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 660034894 (0x2757554E)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 0.0.0.0
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP Request
        DHCP: Client-identifier      = (Type: 1) 08 00 2b 2e d8 5e
        DHCP: Requested Address      = 157.54.50.5
        DHCP: Host Name              = JUMBO-WS
        DHCP: Parameter Request List = (Length: 7) 01 0f 03 2c 2e 2f 06
        DHCP: End of this option field
				

ÀÌ ½ÃÁ¡¿¡¼­ ¼­¹ö°¡ ¼öµµ ÀÖ°í ÀÀ´äÇÒ ¼ö ÀÖ½À´Ï´Ù. Windows NT DHCP ¼­¹öÀÇ µ¿ÀÛÀ» superscoping °°Àº ´Ù¸¥ ¿äÀο¡ »Ó¸¸ ¾Æ´Ï¶ó »ç¿ë ÁßÀÎ ¿î¿µ üÁ¦ ¹öÀü¿¡ µû¶ó ´Þ¶óÁý´Ï´Ù. Ŭ¶óÀÌ¾ðÆ®°¡ ÁÖ¼Ò¸¦ °è¼Ó »ç¿ëÇÒ ¼ö ÀÖ´Â ¼­¹ö¸¦ °áÁ¤ÇÏ´Â °æ¿ì ±× Áß Çϳª¸¦ ÀÚµ¿ ³²¾Æ ¶Ç´Â ACK ÀÖ´Â DHCPREQUEST. Ŭ¶óÀÌ¾ðÆ®°¡ ÁÖ¼Ò¸¦ °¡Áú ¼ö ¾ø½À´Ï´Ù ¼­¹ö¸¦ °áÁ¤ÇÏ´Â °æ¿ì ÇÑ NACK¸¦ º¸³À´Ï´Ù.
IP: ID = 0x3F1A; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 16154 (0x3F1A)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x2CBE
    IP: Source Address = 157.54.48.151
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: NACK               (xid=74A005CE)
    DHCP: Op Code           (op)     = 2 (0x2)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 1956644302 (0x74A005CE)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 0.0.0.0
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP NACK
        DHCP: Server Identifier      = 157.54.48.151
        DHCP: End of this option field
				

Ŭ¶óÀÌ¾ðÆ®´Â ´ÙÀ½ °Ë»ö ÇÁ·Î¼¼½º¸¦ ½ÃÀÛÇÕ´Ï´Ù ÀÖÁö¸¸ DHCPDISCOVER ÆÐŶ °°Àº ÁÖ¼Ò ÀӴ븦 °è¼Ó ½ÃµµÇÕ´Ï´Ù. ¸¹Àº °æ¿ì¿¡ tth Ŭ¶óÀÌ¾ðÆ® °°Àº ÁÖ¼Ò¸¦ °¡Á®¿Ã ¼ö ÀÖÁö¸¸ ¾øÀ» ¼ö ÀÖ½À´Ï´Ù.
IP: ID = 0x100; Proto = UDP; Len: 328
    IP: Version = 4 (0x4)
    IP: Header Length = 20 (0x14)
    IP: Service Type = 0 (0x0)
        IP: Precedence = Routine
        IP: ...0.... = Normal Delay
        IP: ....0... = Normal Throughput
        IP: .....0.. = Normal Reliability
    IP: Total Length = 328 (0x148)
    IP: Identification = 256 (0x100)
    IP: Flags Summary = 0 (0x0)
        IP: .......0 = Last fragment in datagram
        IP: ......0. = May fragment datagram if necessary
    IP: Fragment Offset = 0 (0x0) bytes
    IP: Time to Live = 128 (0x80)
    IP: Protocol = UDP - User Datagram
    IP: Checksum = 0x38A6
    IP: Source Address = 0.0.0.0
    IP: Destination Address = 255.255.255.255
    IP: Data: Number of data bytes remaining = 308 (0x0134)

DHCP: Discover           (xid=3ED14752)
    DHCP: Op Code           (op)     = 1 (0x1)
    DHCP: Hardware Type     (htype)  = 1 (0x1) 10Mb Ethernet
    DHCP: Hardware Address Length (hlen) = 6 (0x6)
    DHCP: Hops              (hops)   = 0 (0x0)
    DHCP: Transaction ID    (xid)    = 1053902674 (0x3ED14752)
    DHCP: Seconds           (secs)   = 0 (0x0)
    DHCP: Flags             (flags)  = 0 (0x0)
        DHCP: 0............... = No Broadcast
    DHCP: Client IP Address (ciaddr) = 0.0.0.0
    DHCP: Your   IP Address (yiaddr) = 0.0.0.0
    DHCP: Server IP Address (siaddr) = 0.0.0.0
    DHCP: Relay  IP Address (giaddr) = 0.0.0.0
    DHCP: Client Ethernet Address (chaddr) = 08002B2ED85E
    DHCP: Server Host Name  (sname)  = <Blank>
    DHCP: Boot File Name    (file)   = <Blank>
    DHCP: Magic Cookie = [OK]
    DHCP: Option Field      (options)
        DHCP: DHCP Message Type      = DHCP Discover
        DHCP: Client-identifier      = (Type: 1) 08 00 2b 2e d8 5e
        DHCP: Requested Address      = 157.54.51.5
        DHCP: Host Name              = JUMBO-WS
        DHCP: Parameter Request List = (Length: 7) 01 0f 03 2c 2e 2f 06
        DHCP: End of this option field
				

DHCP Ŭ¶óÀÌ¾ðÆ®°¡ DHCP ¼­¹ö¿¡¼­ ¾òÀº Á¤º¸°¡ ¿¬°áµÈ ÀÓ´ë ±â°£ÀÌ ÀÖ½À´Ï´Ù. ÀÓ´ë ½Ã°£À» Ŭ¶óÀÌ¾ðÆ®°¡ DHCP ÇÒ´ç Á¤º¸¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Â ±â°£À» Á¤ÀÇÇÕ´Ï´Ù. ƯÁ¤ Áß¿ä ½ÃÁ¡ ÀӴ븦 µµ´ÞÇÒ ¶§ Ŭ¶óÀÌ¾ðÆ®´Â DHCP Á¤º¸¸¦ °»½ÅÇÒ ½ÃµµÇÕ´Ï´Ù.

IPCONFIG À¯Æ¿¸®Æ¼¸¦ »ç¿ëÇÏ¿© Windows ¶Ç´Â Windows ÀÛ¾÷ Ŭ¶óÀÌ¾ðÆ® IP Á¤º¸¸¦ º¾´Ï´Ù. Ŭ¶óÀÌ¾ðÆ®°¡ Windows 95 WINIPCFGÀ» »ç¿ëÇϽʽÿÀ.

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DHCP¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº RFC1541 ¹× RFC2131 ÂüÁ¶ÇϽʽÿÀ. RFC ¼ö¸¹Àº »çÀÌÆ®¿¡¼­ ÀÎÅͳÝÀ» ÅëÇØ ¿¹¸¦ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù.
http://www.rfc-editor.org/
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http://www.tech-nic.qc.ca/

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  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows for Workgroups 3.2
  • Microsoft TCP/IP-32 for Windows for Workgroups 1.0
  • Microsoft Windows 95
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