DHCP: Bao trm nhi?u m?ng con

D?ch tiu ? D?ch tiu ?
ID c?a bi: 120932 - Xem s?n ph?m m bi ny p d?ng vo.
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TM T?T

Tr?nh ph?c v? DHCP (Dynamic Host Configuration Protocol) c th? cung c?p IP ?a ch? cho cc khch hng tr?i r?ng nhi?u m?ng con n?u b? ?nh tuy?n m separates chng c th? ho?t ?ng nh m?t ?i l? ti?p s?c RFC 1542(BOOTP). N?u b? ?nh tuy?n khng th? ho?t ?ng nh yu c?u ti?p s?c ?i l?, m?i con m c khch hng DHCP tr?nh ph?c v? DHCP.

THNG TIN THM

M?t ?i l? ti?p s?c ph h?p v?i RFC 1542 chuy?n ti?p cc gi d? li?u DHCP ? ? xa bn m?c d h? l cc gi d? li?u pht sng. Tr?c khi ti?p nh?n m?t DHCP th t? m?t ?ng d?ng khch DHCP, cc ?i l? ki?m tra GIADDR (c?ng IP tr?ng ?a ch?). N?u l?nh v?c ny c ?a ch? IP c?a 0.0.0.0, tc nhn l?p ?y n v?i ?a ch? IP c?a b? ?nh tuy?n. Khi my ch? DHCP s? nh?n ?c cc tin nh?n, n ki?m tra ?a ch? IP Relay l?nh v?c ? xem n?u n c m?t DHCP ph?m vi (m?t h? bi c?a cc ?a ch? IP) c th? ?c s? d?ng ? cung c?p m?t ?a ch? IP cho thu. N?u my ch? DHCP c nhi?u DHCP scopes, ?a ch? trong cc Tr?ng ?a ch? IP ti?p s?c xc ?nh ph?m vi DHCP ? cung c?p m?t IP ?a ch? cho thu. Qu tr?nh ny cho php m?t my ch? DHCP ? qu?n l? khc nhau ph?m vi cho m?ng con.

B?n c th? s? d?ng m?t multihomed h? th?ng my ch? Windows NT 3.5 x ?c c?u h?nh nh m?t Tr?nh ph?c v? DHCP, v?i nhi?u th? m?ng v IP ?nh tuy?n ?c kch ho?t, thay vo c?a m?t ?i l? ti?p s?c cho subnetting m?c ch.

Khi n nh?n ?c tin nh?n DHCPDISCOVER, cc my ch? DHCP s? g?i m?t DHCPOFFER tr?c ti?p ?n cc ?i l? ti?p s?c ?c xc ?nh trong l?nh v?c GIADDR, v cc ?i l? chuy?n ti?p th ?n cc khch hng DHCP. ?a ch? IP c?a khch hng l v?n cha bi?t, v? th? n ? l m?t pht sng trn m?ng con ?a phng. Tng t?, m?t tin nh?n DHCPREQUEST chuy?n ti?p t? khch hng cho my ch? v m?t DHCPACK tin nh?n chuy?n ti?p t? h? ph?c v? cho khch hng, theo i?u RFC 1542.

Khi b?n c nhi?u my ch? DHCP, Microsoft khuy?n co r?ng b?n ?t c?a b?n my ch? DHCP trn m?ng con khc nhau ? ?t ?c m?t m?c ? l?i khoan dung, thay v? c t?t c? cc my ch? DHCP trong m?t m?ng con. Cc cc my ch? khng c?n ?a ch? IP ph? bi?n trong ph?m vi c?a h? (m?i my ch? c?n ph?i c m?t h? bi ?c o c?a ?a ch?).

N?u my ch? DHCP trong m?ng ?a phng i, yu c?u ?c chuy?n ti?p ? m?t m?ng con t? xa, v my ch? DHCP c th? p ?ng yu c?u DHCP N?u n duy tr? m?t ph?m vi ?a ch? IP dnh cho yu c?u m?ng. Nu my ch? t? xa ? khng c ph?m vi ?nh ngh?a cho m?ng con yu c?u, n c th? khng cung c?p ?a ch? IP, th?m ch n?u n c ?a ch? c s?n cho ph?m vi khc. N?u m?i my ch? DHCP c m?t h? bi c?a cc ?a ch? cho m?i m?ng con, sau n c th? cung c?p ?a ch? IP cho cc khch hng t? xa m my ch? DHCP l xu?ng.

Thu?c tnh

ID c?a bi: 120932 - L?n xem xt sau cng: 17 Thang Tam 2011 - Xem xt l?i: 2.0
p d?ng
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows for Workgroups 3.11
T? kha:
kbnetwork kbmt KB120932 KbMtvi
My d?ch
QUAN TRONG: Bi vi?t ny ?c d?ch b?ng ph?n m?m d?ch my c?a Microsoft ch? khng ph?i do con ng?i d?ch. Microsoft cung c?p cc bi vi?t do con ng?i d?ch v c? cc bi vi?t do my d?ch ? b?n c th? truy c?p vo t?t c? cc bi vi?t trong C s? Ki?n th?c c?a chng ti b?ng ngn ng? c?a b?n. Tuy nhin, bi vi?t do my d?ch khng ph?i lc no c?ng hon h?o. Lo?i bi vi?t ny c th? ch?a cc sai st v? t? v?ng, c php ho?c ng? php, gi?ng nh m?t ng?i n?c ngoi c th? m?c sai st khi ni ngn ng? c?a b?n. Microsoft khng ch?u trch nhi?m v? b?t k? s? thi?u chnh xc, sai st ho?c thi?t h?i no do vi?c d?ch sai n?i dung ho?c do ho?t ?ng s? d?ng c?a khch hng gy ra. Microsoft c?ng th?ng xuyn c?p nh?t ph?n m?m d?ch my ny.
Nh?p chu?t vo y ? xem b?n ti?ng Anh c?a bi vi?t ny:120932

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