????? "?" ?????? ????? ????? ????? ??????

???? ???????: 159211 - ??? ???????? ???? ????? ????? ??? ???????.
????? ???????? ????? ????? ??????? ?????? ?????? ???????
?????? ??? ????? Microsoft Windows XP ?? ??? ???????? ???? 314825
(http://support.microsoft.com/kb/314825/ )
.
????? ???? | ?? ????

??????

??? ???? ????? ????? TCP/IP (WAN) ? ?? ???? ????????? ??? ??? ????????? ?? ???? ??? ?????? ??????? ??? ????? ???? ???? ?? ???????? ??????? ? ????? ??????? ??? ????? ?????????? ICMP ???????? ??? ??????. ????? ?? ???? ?? ????? ???? ??????? ??? ?????? ??? ??????????. ???? ????? ???? ????? ?? ??? ?????? ??? ????????? ??????? ???? ???? ????? "??? ??????". ???? ??????? ?????? ???????? Ping ?????? ?????? ?????? ??????? ?? ???????? TCP/IP ?? Microsoft Windows ????? ?? ????? ????? ????? ??????. ??? ????? ??? ???????? ?????? ?? ????? ????? ????? ????? ????? ??????.

??????? ????

????? ????? ???? ????? ???? ????? ???? ???? ?? ??? ???? (MTU) ?? ???? ?????? ?????? IP ?????? ??? ?????? "??? ?????" ??? ????? ??, ??? ??? ???? ??????? ????? ICMP ????? ???? ??? ????? ?????? ??? ???? ???????. ????? ?? ???? ???, ???? ?? ???? ????? ????? ? ????? ?? ???? ?????? ?? ??????? ???? ????? ?? ??????? ???? ???? ??? ?????? ???????. ??? ?? ???? ??? ??????? ??? ????? ???? ????? ??????? ??? ?????? ????? ?????. ?? ???? ?? ??????? ?????? ???? ??? ???? examination ???? ???? ?? ???? ?????, ??? ?? ?????? ???? ?????? ??? ???? ?? ???? ????.

???? ??????? ?????? ???????? Ping ?? ?????? ??? ????? ????? ????? ?????? ???????? -f (?? ??????) ?????? -l (??? ?????? ??????). ????? ??????? & -f & ??? ????? ?????? ???????? Ping ?????? ???? ?????? ICMP ?? IP "?? ?????" ?? ??????. ????? ??????? & -l & ??? ?????? ?????? ?? ???????, ???? ?????? ICMP. ????? ???? ?? ?????? ?????? ???? ???? ??????? ????? MTU ???? IP ? ICMP ?????? (MTU-28) MTU ???? ??? ?????. ??? ???? ??????? ???? Ethernet ???? ???? 1500 ???? ???? ??????? ?? ?????? Ping ???? ????? ?? ???? ???? ICMP 1472 ????. ???? ?????? ?? ??? Ping ?? ??? ?????? ??????:

1472 -f -l Ping < ??? ????????? ?? ????? IP >

??? ?? ???? ??? ???? ?????? IP ???????. ??? ???? MTU ???? ????? ????? ????? 1500 ?? ????, ??? ?? ??? ????? ?????? ?????. ?? ???? ???? ????? ?? MTUs ???? ????? ??????? ?????? ???? ICMP ??? ???????? ??? ??? ?????? ???????? "??? ????? ??? ????? ???? ?? ????? DF". ?? ???? ???? ????? ??? ??????? ?? MTUs ???? ?? ??? ????? ???? ICMP ???????? ?????? ???????? Ping ??? ??? "Request timed out." ??? ??? MTUs ????????? ?? ????? ???? ??????? ?????? ?? ??????? ??????? 314496
(http://support.microsoft.com/kb/314496/EN-US/ )
.

?????? ??????? & -l & ??? ?????? ping ????????? ???? ?????? ??? ???? ????? ???? ??? ????? ????? ?????. MTU ???? ??? ????? ??????? ??? ????? ??? ??? ?? ????? ?? ????? ???????? ???? ???? ICMP ?? 548 ????? ?? ????? ?? ????. ??? ???? ??????? ??? Ping < ??? ?????? ?? ????? > -f -l 972 ????? ????? ? Ping < ??? ?????? ?? ????? > -f -l 973 ??? MTU ???? ???? ???? ????????? ??? ??? ??????? ?? 1000 (972 + 28).

????? ?? ?????? ????? ????? ????? ??????, ???? ???? ?????? ???????:
  1. ????? "????? ????? ???? ???? ??????? ?????? ??????" ?????? Windows ??? ???? ??????? ??? ????? ????? ??? ????? ?? ????? ?????Microsoft ??????? 136970
    (http://support.microsoft.com/kb/136970/EN-US/ )
    . ?? ??? ??????? Windows NT 3.51 Service Pack 2 ?? ?????? ?? Windows NT 4.0 ??? ???????.
  2. ????? ????? ??????? ???????? ?????? ??? ??? 3 ICMP 4 (??? ????? ???? ??? ????? ?????? ????? ?? (DF) ? ??????? ????????) ???????. ?? ????? ??? ????? ?????? ???? ??????? ?? ??????? ??????? ?? ????? ???? ??????? ?? ??????? ???? ???????.
  3. ????? ?????? ???? ??????? ?????? ?????? ?????? Windows ?? ??????? ??? ????????? troublesome. ????? ??? ?????? ????????? ???? ??????? ?????? ??? ??? ????. ?? ????? ??? ?? ????? ???? ?? ???? ??????.
  4. ????? MTU ??????? ?????? ?? ???? ???? ?????? ???? ????? "????? ??????. ??? ???? ???? ??? ?????? ???????? ???? ????? ??? ??????? ???? ????? ???? ?????? ??????? ?? ????? ???? ?????? ??? ??????? ??? ????? ??????? ????? ???? ?? ???? ???. ????? ??? ???? ??? ?? ???? ?? ???? MTU ????? ???? ?????????? ??????? ???? ???? ????????? ?? ??? ?????? ?? ??????.
????? ?? ?????????? ???? ??? ????? ???????? ??????? ?????? ?? "????? ??????? ?? Microsoft:
120642
(http://support.microsoft.com/kb/120642/ )
TCP/IP ? NBT ?????? ????? Windows 2000 ?? Windows NT
128797
(http://support.microsoft.com/kb/128797/ )
??? ???? ??? ??? ??????? ??? ????? ??????? 250 DEC ? 500 DEC
136970
(http://support.microsoft.com/kb/136970/ )
????? ???????? ????? ?? ????? ?????? PMTU ?????? ?? Windows NT 3.51
138575
(http://support.microsoft.com/kb/138575/ )
??? ??????? ???? ???? Ethernet ??? ???? ?????? FDDI
314496
(http://support.microsoft.com/kb/314496/ )
????? MTU ?????????? ???????? ???? ????? ??????
????? ?? ?????????? ???? Internet RFC 1191 ? 1435 RFC. ?????? ????? ?? ?????? ???? ????? ??????:
http://www.faqs.org/rfcs/
(http://www.faqs.org/rfcs/)
???? ????? ????? 6 "?????? ??????? TCP/IP" ?? Windows NT Server Resource Kit. ?????? ????? ?? ?????? ???? Microsoft ?????? ??? ?????:
http://www.microsoft.com/resources/documentation/windowsnt/4/server/reskit/en-us/net/sur_tcp2.mspx
(http://www.microsoft.com/resources/documentation/windowsnt/4/server/reskit/en-us/net/sur_tcp2.mspx)

???????

???? ???????: 159211 - ????? ??? ??????: 04/???? ?????/1430 - ??????: 6.2
????? ???
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Small Business Server 2003 Standard Edition
  • Microsoft Windows Small Business Server 2003 Premium Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 3.5
  • Microsoft Windows NT Server 3.5
????? ??????: 
kbmt kbnetwork KB159211 KbMtar
????? ????
???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????159211
(http://support.microsoft.com/kb/159211/en-us/ )
???? ??? ?????? | ????? ???????

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

 
???? ??? ?????????? ??? ??????