1. Trang chủ
  2. » Công Nghệ Thông Tin

Giới thiệu chung về địa chỉ IPV4 doc

41 351 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 41
Dung lượng 272,45 KB

Nội dung

DFKLSY*LẽLWKLáXFKXQJ 1K} FKảQJ WD ~ ELW ,QWHUQHW O PW PQJ P\ WÂQK WRQ FX GR KQJ QJKQPQJP\WÂQKWáNKSPăLQ|LQơLOLWRQzQ.KFYLFFKWêFKằFWKHR FFFSQLKWOLzQWQKTXơFWFDPWPQJYLQWK{QJQK}PQJWKRLFKQJ KQPQJ,QWHUQHWWêFKằFFKFĐPWFSFFPQJP\WÂQKGQKƠGWRNKL QơLYR,QWHUQHW~XEQK~QJYLQKDX'RFFKWêFKằFQK}Y\QzQWUzQ,QWHUQHW FĐFXWUảF~ÊDFKFFK~QK~ÊDFK~FELWWURQJNKLFFK~QK~ÊDFK~ơLYL PQJYLQWK{QJOL~|QJLQK|QQKLX wơLYLPQJYLQWK{QJQK}PQJWKRLFKQJKQNKFKKQJFFYQJ NKFQKDXKRQWRQFĐWKFĐFQJVơ~LQWKRLSKyQELWYLQKDXEQJP YQJPWQKKD\PTXơFWwơLYLPQJ,QWHUQHWGRFFKWêFKằFFKFĐPW FSQzQPôLPWNKFKKQJKD\PWP\FK+RVWKRF5RXWHU~XFĐPW ~ÊDFK,QWHUQHWGX\QKWPNK{QJ~}FSKSWUQJYLEWNẵDL'RY\P~ÊD FKWUzQ,QWHUQHWWKẳFVẳOPWWLQJX\zQ +QJ FKãF WULXP\ FK WUzQ KQJ WUxP QJKQ PQJw ~ÊD FK NK{QJ ~}FWUQJQKDXFQSKLFĐFXWUảF~ÊDFK~FELWTXQOWKơQJQKWYPW 7ê FKằF FD ,QWHUQHW JăL O 7UXQJ WyP WK{QJ WLQ PQJ ,QWHUQHW 1HWZRUN ,QIRUPDWLRQ&HQWHU1,&FKWUSKyQSKơL1,&FKSKyQ~ÊDFKPQJ1HW,' FÔQ~ÊDFKP\FKWUzQPQJ~Đ+RVW,'GRFF7êFKằFTXQO,QWHUQHW FDWáQJTXơFJLDPWWẳSKyQSKơL7URQJWKẳFW~FĐWK~ÊQKWX\QURXWLQJ WUzQPQJ,QWHUQHWQJRL~ÊDFK,3FÔQFQ~QWzQULzQJFDFFP\FK+RVW 'RPDLQ1DPH&FSKQWLSWKHRFKảQJWDK\QJKLzQFằXFXWUảF~FELWFD ~ÊDFK,QWHUQHW ,&ơXWUếFDFK,3 &KLWLW D7KyQKSKQYyKQKG}QJFĐDxDFK,3 wÊDFK,3~DQJ~}FVạGãQJKLQWL,3YFĐELWFKLDWKQK2FWHW PôL2FWHWFĐELWW}|QJ~}|QJE\WHFFK~P~XWáWULTXDSKLEÂWFKR ~QEÂWFF2FWHWWFKELWQKDXEQJGXFKPEDRJâPFĐWKQKSKQ FKÂQK class bit Net ID Host ID %LW %LWQKQGQJOS&ODVVELW wÊDFKFDPQJ1HW,' wÊDFKFDP\FK+RVW,' *KLFKĂ7lQOqiDFKPt\FKQKoQJWKĐFWNKmQJFKFPt\FKPq W~WFrFtFPt\FRQ:RUNVWDWLRQFtFFQJWUX\QKSYYpXF{QFpDFK %LWQKQGQJOS&ODVVELW~SKyQELW~ÊDFKOSQR wÊDFK,QWHUQHWELXKLQGQJELWQKÊSKyQ [\[\[\[\[\[\[\[\[\[\[\[\[\[\[\[\ [\ KRF 9ÂGã wÊDFK,QWHUQHWELXKLQGQJWKSSKyQ[[[[[[[[[[[[ [OVơWKSSKyQWá~Q 9ÂGã 'QJYLW~\~FD~ÊDFK,3OFRQVơWURQJWáQJ2FWHW9ÂGã~ÊDFK,3 WK}đQJ WK\ WUzQ WKẳF W FĐ WK O QK}QJ GQJ ~\ ~ O E&|FOÔSxDFK,3 wÊDFK,3FKLDUDOS$%&'(+LQWL~GQJKWOS$%YJQ KWOS&FÔQOS'Y(7êFKằFLQWHUQHW~DQJ~GQKFKRPãF~ÂFKNKFNK{QJ SKyQQzQFKảQJWDFKQJKLzQFằXOS~X 16 24 class a : 0 class b 10 class c 1 10 net id host id net id host id net id host id 1 32 8 octet 1 octet 4 octet 3octet 2 8 16 24 32 1 1 1 0 Class d 8 16 24 32 1 1 1 1 0 class e 4XDFXWU¶FFFO±S~£DFK,3FK¶QJWDF§QKQ[WVDX %LWQKQGQJOQKºQJELW~XWLzQF´DO±S$OF´DO±S%OF´D O±S&O /S'FĐELW~XWLzQ~QKQGQJOFÔQOS(FĐEÂW~XWLzQ ~QKQGQJO wÊDFKOS$wÊDFKPQJÂWY~ÊDFKP\FKWUzQWáQJPQJQKLX wÊDFKOS%wÊDFKPQJYáDSKLY~ÊDFKP\FKWUzQWáQJPQJ YáDSKL wÊDFKOS&wÊDFKPQJQKLX~ÊDFKP\FKWUzQWáQJPQJÂW $ Wá~Q % Wá~Q &Wá~Q 'Wá~Q.K{QJSKyQ (Wá~Q.K{QJSKyQ $ Wá~Q % Wá~Q &Wá~Q ' ( 1K}Y\QXFKảQJWDWK\~ÊDFK,3FĐQKĐPVơFFKQKDXEQJGXFKP QX WK\ QKĐP Vơ WKằ QKW QKƠ K|Q ELW ~ÊD FK Q\ OS $ QP WURQJ NKRQJ~QELW~ÊDFKQ\OS%YWá~QELW~ÊDFKQ\ OS& ,LDFKPQJFRQFểD,QWHUQHW ,3VXEQHWWLQJ D1JX\tQQKsQ 1K}~QzXWUzQ~ÊDFKWUzQ,QWHUQHWWKẳFVẳOPWWLQJX\zQPWPQJ NKLJLDQKS,QWHUQHW~}F7UXQJWyPWK{QJWLQPQJ,QWHUQHW1,&SKyQFKRPW Vơ~ÊDFKYáD~GQJYL\zXFXOảF~ĐVDXQ\QXPQJSKWWULQWKzPOL SKL[LQ1,&WKzP~ĐO~LXNK{QJWKXQWLQFKRFFQKNKDLWKFPQJ +|QQDFFOS~ÊDFKFD,QWHUQHWNK{QJSKLKRQWRQSKKSYL\zX FXWKẳFW~ÊDFKOS%FKQJKQPôLPW~ÊDFKPQJFĐWKFSFKR P\FK7KẳFWFĐPQJQKƠFKFĐYLFKãFP\FKWKVOQJSKÂUWQKLX ~ÊDFKFÔQOLPNK{QJDLGQJ~}FwNKFSKãFYQ~Q\YWQGãQJWơL ~D~ÊDFK~}F1,&SKyQEW~XWáQxPQJ}đLWDQJKĂ~QwÊDFKPQJ FRQ 1K}Y\SKyQ~ÊDFKPQJFRQOPUQJ~ÊDFKFKRQKLXPQJWUzQF| VPWpDFKPuQJP1,&SKyQFKRSKKSYLVơO}QJWKẳFWP\FKFĐ WUzQWáQJPQJ %3KwvQJSK|SSKsQFKLDxDFKP}QJFRQ &KLWLW 7U}F NKL QJKLzQ FằX SKQ Q\ FKảQJ WD FQ SKL KLX TXD PW Vơ NKL QLPOLzQTXDQWLYLFSKyQ~ÊDFKFFPQJFRQ 'HIDXOW0DVN*LWUÊWUQ~ÊDFKPQJ~}F~ÊQKQJKĂDWU}F FKRWáQJOS~ÊDFK$%&7KẳFFKWOJLWUÊWKSSKyQFDRQKWNKLWW FELW~XEQJWURQJFF2FWHWGQKFKR~ÊDFKPQJ1HW,' 'HIDXOW0DVN /S$ /S% /S& 6XEQHW0DVNJLWUÊWUQFDWáQJPQJFRQ 6XEQHW0DVNONWKSFD'HIDXOW0DVNYLJLWUÊWKSSKyQFDRQKWFD FFELWO\WáFF2FWHWFD~ÊDFKP\FKVDQJSKQ~ÊDFKPQJ~WR ~ÊDFKPQJFRQ 6XEQHW0DVNEDRJLđFàQJ~LNPYL~ÊDFKPQJWLzXFKXQ ~ FKRQJ}đL~ăFELW~ÊDFKPQJWLzXFKXQQ\GQJFFKR P\ FK KD\ FKLDUDWKQKFFPQJFRQ0WNKFQĐFÔQJLảS 5RXWHUWURQJYLF~ÊQKWX\Q FXFJăL 1JX\lQWyFFKXQJ /\EWPWVơELWFDSKQ~ÊDFKP\FK~WR~ÊDFKPQJFRQ /\~LEDRQKLzXELWSKãWKXFYRVơPQJFRQFQWKLW6XEQHWPDVN PQKNKDLWKFPQJTX\W~ÊQKVWRUD &XWUằFăDFKÊFạD,QWHUQHWăDFKÊ,3 1K} FKảQJ WD ~ ELW ,QWHUQHW O PW PQJ P\ WÂQK WRQ FX GR KQJ QJKQPQJP\WÂQKWáNKSPăLQ|LQơLOLWRQzQ.KFYLFFKWêFKằFWKHR FFFSQLKWOLzQWQKTXơFWFDPWPQJYLQWK{QJQK}PQJWKRLFKQJ KQPQJ,QWHUQHWWêFKằFFKFĐPWFSFFPQJP\WÂQKGQKƠGWRNKL QơLYR,QWHUQHW~XEQK~QJYLQKDX'RFFKWêFKằFQK}Y\QzQWUzQ,QWHUQHW FĐFXWUảF~ÊDFKFFK~QK~ÊDFK~FELWWURQJNKLFFK~QK~ÊDFK~ơLYL PQJYLQWK{QJOL~|QJLQK|QQKLX wơLYLPQJYLQWK{QJQK}PQJWKRLFKQJKQNKFKKQJFFYQJ NKFQKDXKRQWRQFĐWKFĐFQJVơ~LQWKRLSKyQELWYLQKDXEQJP YQJPWQKKD\PTXơFWwơLYLPQJ,QWHUQHWGRFFKWêFKằFFKFĐPW FSQzQPôLPWNKFKKQJKD\PWP\FK+RVWKRF5RXWHU~XFĐPW ~ÊDFKLQWHUQHWGX\QKWPNK{QJ~}FSKSWUQJYLEWNẵDL'RY\P~ÊD FKWUzQ,QWHUQHWWKẳFVẳOPWWLQJX\zQ +QJ FKãF WULXP\ FK WUzQ KQJ WUxP QJKQ PQJw ~ÊD FK NK{QJ ~}FWUQJQKDXFQSKLFĐFXWUảF~ÊDFK~FELWTXQOWKơQJQKWYPW 7ê FKằF FD ,QWHUQHW JăL O 7UXQJ WyP WK{QJ WLQ PQJ ,QWHUQHW 1HWZRUN ,QIRUPDWLRQ&HQWHU1,&FKWUSKyQSKơL1,&FKSKyQ~ÊDFKPQJ1HW,' FÔQ~ÊDFKP\FKWUzQPQJ~Đ+RVW,'GRFF7êFKằFTXQO,QWHUQHW FDWáQJTXơFJLDPWWẳSKyQSKơL7URQJWKẳFW~FĐWK~ÊQKWX\QURXWLQJ WUzQPQJ,QWHUQHWQJRL~ÊDFK,3FÔQFQ~QWzQULzQJFDFFP\FK+RVW 'RPDLQ1DPH&FSKQWLSWKHRFKảQJWDK\QJKLzQFằXFXWUảF~FELW FD~ÊDFK,QWHUQHW D7KyQKSKQYyKQKG}QJFĐDxDFK,3 wÊDFK,3~DQJ~}FVạGãQJKLQWL,3YFĐELWFKLDWKQK2FWHW PôL2FWHWFĐELWW}|QJ~}|QJE\WHFFK~P~XWáWULTXDSKLEÂWFKR ~QEÂWFF2FWHWWFKELWQKDXEQJGXFKPEDRJâPFĐWKQKSKQ FKÂQK class bit Net ID Host ID %LW %LWQKQGQJOS&ODVVELW wÊDFKFDPQJ1HW,' wÊDFKFDP\FK+RVW,' *KLFKĂ7lQOqiDFKPt\FKQKoQJWKĐFWNKmQJFKFPt\FKPq W~WFrFtFPt\FRQ:RUNVWDWLRQFtFFQJWUX\QKSYYpXF{QFpDFK %LWQKQGQJOS&ODVVELW~SKyQELW~ÊDFKOSQR wÊDFK,QWHUQHWELXKLQGQJELWQKÊSKyQ [\[\[\[\[\[\[\[\[\[\[\[\[\[\[\[\ [\ KRF 9ÂGã wÊDFK,QWHUQHWELXKLQGQJWKSSKyQ[[[[[[[[[[[[ [OVơWKSSKyQWá~Q 9ÂGã 'QJYLW~\~FD~ÊDFK,3OFRQVơWURQJWáQJ2FWHW9ÂGã~ÊDFK,3 WK}đQJ WK\ WUzQ WKẳF W FĐ WK O QK}QJ GQJ ~\ ~ O E&|FOÔSxDFK,3 wÊDFK,3FKLDUDOS$%&'(+LQWL~GQJKWOS$%YJQ KWOS & FÔQ OS' Y ( 7ê FKằF LQWHUQHW ~DQJ ~ GQK FKR PãF ~ÂFK NKF NK{QJSKyQQzQFKảQJWDFKQJKLzQFằXOS~X 16 24 class a : 0 class b 10 class c 1 10 net id host id net id host id net id host id 1 32 8 octet 1 octet 4 octet 3octet 2 8 16 24 32 1 1 1 0 Class d 8 16 24 32 1 1 1 1 0 class e 4XDFXWU¶FFFO±S~£DFK,3FK¶QJWDF§QKQ[WVDX %LWQKQGQJOQKºQJELW~XWLzQF´DO±S$OF´DO±S%OF´D O±S&O /S'FĐELW~XWLzQ~QKQGQJOFÔQOS(FĐEÂW~XWLzQ ~QKQGQJO wÊDFKOS$wÊDFKPQJÂWY~ÊDFKP\FKWUzQWáQJPQJQKLX wÊDFKOS%wÊDFKPQJYáDSKLY~ÊDFKP\FKWUzQWáQJPQJ YáDSKL wÊDFKOS&wÊDFKPQJQKLX~ÊDFKP\FKWUzQWáQJPQJÂW $ Wá~Q % Wá~Q &Wá~Q 'Wá~Q.K{QJSKyQ (Wá~Q.K{QJSKyQ $ Wá~Q % Wá~Q &Wá~Q ' ( 1K}Y\QXFKảQJWDWK\~ÊDFK,3FĐQKĐPVơFFKQKDXEQJGXFKP QX WK\ QKĐP Vơ WKằ QKW QKƠ K|Q ELW ~ÊD FK Q\ OS $ QP WURQJ NKRQJ~QELW~ÊDFKQ\OS%YWá~QELW~ÊDFKQ\ OS& 7êQJTXWFKXQJ %LWWKằQKWOELWQKQGQJOS$ ELWFÔQOLWURQJ2FWHWWKằQKWGQKFKR~ÊDFKPQJ 2FWHWFÔQOLFĐELWGQKFKR~ÊDFKFDP\&K &ODVV$ 2FWHW 2FWHW 2FWHW 2FWHW 8 16 24 0 net id host id 1 32 PQJP\FKWUzQPWPQJ DqDFKP}QJ1HW,' .KrQjQJSKkQpDFK .KL~PVơELWFKảQJWD~PWáWULTXDSKLQK}QJNKLWÂQKJLWUÊWKS SKyQ FDELWOLWÂQKWáSKLTXDWULEW~XWáELW2FWHWWKằQKWGQKFKR ~ÊDFKPQJELW OELWQKQGQJOS$ELWFÔQOLWáELW~QELWGQK FKR~ÊDFKPQJ 1K}QJWUzQWKẳFW~ÊDFKNKLWWFFFELWEQJ KRFEQJ~XNK{QJSKyQFKRPQJ.KLJLWUÊFFELW~XEQJJLWUÊWKS SKyQONK{QJFĐQJKĂDFÔQ~ÊDFKONKLFFELW~XEQJGQJ~WK{QJ ERQLEQzQWUzQWKẳFWFÔQOLPQJ 2FWHW 0 net id 7 6 . . . . . . 0 bit &FKWÂQK~ÊDFKPQJOS$ 6ơWKằWẳ%LWQWÂQKWáSKLTXDWUL *LWUÊQKÊSKyQKD\FD%LW[[[[[[[ *LWUÊWKSSKyQW}|QJằQJNKLJLWUÊELW VO *LWUÊWKSSKyQW}|QJằQJNKLJLWUÊELW NK{QJWÂQK *LWUÊWKSSKyQOQQKWNKLJLWUÊFDELW~XEQJO 6DX~y\OFFKWÂQKWUăQYQJLWUÊFDWWFFF%LW

Ngày đăng: 11/08/2014, 21:20

TỪ KHÓA LIÊN QUAN

w