????? ??????

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??? ?? ???????? ????? ??????? (ARP) ??????? ?????? ?????? ?? ??????? Windows Vista TCP/IP

???? ???????: 949589 - ??? ???????? ???? ????? ????? ??? ???????.

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

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

????? ???? | ?? ????

?????

???? ??? ??????? ???????? ????? ??????? (ARP) ??????? ?????? ?????? ?? ??????? Windows Vista TCP/IP.

??? ?? ????? ???? ??????? ?????? ARP ?? ???? ??????? Windows Vista. ??????? ???? TCP/IP ?? ???? ??????? Windows Vista ???????? RFC4861 (???????? "?????? ??????" ?? IP ??????? 6 [Ipv6]) ??? ?? IPv4 ? ????? ?????? ?????? ?? IPv6.

????? ArpCacheLife ???????? ??????? ArpCacheMinReferencedLife ????? ???????? ????? ??????? ?????? ARP ?? ???? ??????? Windows XP ??? Windows Server 2003. ?? ???? ??????? ??????? ??? ??? ???? ??????? Windows Vista.

?? Windows Vista TCP/IP ???? ?????? ????? ?? ?????? ???????? ??????? ????? ?????? ??????? ??? ??? ???? ????? ????? ?? ???? ?????? ??????. ????? ????? ??????? ?????? ARP ?? IPv4 ???? ?? ????? ???? ?????? ??????. ??? ????? ??????? ????? ?? ???? ?????? ??????, ?? ????? ??????? ??? ???? "Reachable" ??? ??? ??????? ?????? ?????. ??? ??? ??????? ?? ???? "Reachable" ? ????? TCP/IP ?? Windows Vista ?? ??? ?????? ARP ????? ???? ???????. ?????? ????? TCP/IP ?? Windows Vista ?????? ????????? ???????? ?? ????? ??????? ??????. ?? ???? ??? ??????? ????? ???? ?? ???? "Reachable" ????? ???? ?? ?????? "????? ????? ??????" ????? ??????? ??? ???? "?????". ??? ??? ??? ????????? ?? ?????? "?????" ? ??? ?? ???? ?????? TCP/IP ?? Windows Vista ??? ARP ?????? ??? ??? ??????.

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

??? ?????? ??? ??? BaseReachable � (???? ?????? ??? MIN_RANDOM_FACTOR MAX_RANDOM_FACTOR) =

???? RFC ??????? ???????? ???????.

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

??? BaseReachable	30,000 ???? ????? (ms)
min_random_factor	0.5
max_random_factor	1.5

????????? ???? "??? ????? ??????" ???? ?? ??? 15 ????? (30 � 0.5 ?????) ? 45 ????? (30 � 1.5 ?????). ??? ?? ??? ??????? ????? ??? ??? 15 ??? 45 ????? ????? ??? ???? "?????". ??? ?????? ???? ????? ??? ARP ?? IPV4 ??? ???? ??????? ????? ??? ????? ??? ?????? ?????? IP ??? ??? ??????.

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

???? ??? ???? ? ???? cmd ?? ?????? ??? ????? ?? ???? ??? cmd ?? ????? ???????.
??? ??? ??????? ????? ???? ????? ?? ???????? ???? ???? ?????? ?? ???? ??? ??????.

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

????? ipv4 ????? netsh ????????

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

Idx  Met   MTU   State        Name
---  ---  -----  -----------  -------------------
  1   50 4294967295  connected    Loopback Pseudo-Interface 1
  9   20   1500  connected    Local Area Connection

?? ?????? 2 Idx "Local Area Connection" ?? 9. ????? ????? ????? ????? 9 ?????? ????? ?????? ?? ???? ???????:

????? ipv4 ????? netsh ??????? 9

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

Interface Local Area Connection Parameters
----------------------------------------------
IfLuid                             : ethernet_7
IfIndex                            : 9
Compartment Id                     : 1
State                              : connected
Metric                             : 20
Link MTU                           : 1500 bytes
Reachable Time                     : 19000 ms Base Reachable Time : 30000 ms Retransmission Interval : 1000 ms
				DAD Transmits : 3 Site Prefix Length : 64 Site Id : 1 Forwarding : disabled
				Advertising : disabled Neighbor Discovery : enabled Neighbor Unreachability
				Detecion : enabled Router Discovery : dhcp Managed Address Configuration :
				enabled Other Stateful Configuration : enabled Weak Host Sends : disabled Weak
				Host Receives : disabled Use Automatic Metric : enabled Ignore Default routes :
				disabled

????? ????? ???? "BaseReachable ???????" ???? ?????? ????? ?????? ?????? ?? ???? ???????:
ipv4 ????? netsh ????? basereachable ????? 9 = 60000

??????? ??????? ?????? 4 ???? ????? ?????? ?? ???? ???????:

????? ipv4 ????? netsh ??????? 9

Example result:

Interface Local Area Connection Parameters
----------------------------------------------
IfLuid                             : ethernet_7
IfIndex                            : 9
Compartment Id                     : 1
State                              : connected
Metric                             : 20
Link MTU                           : 1500 bytes
Reachable Time                     : 61500 ms
Base Reachable Time                : 60000 ms Retransmission Interval : 1000 ms DAD Transmits : 3 Site Prefix
				Length : 64 Site Id : 1 Forwarding : disabled Advertising : disabled Neighbor
				Discovery : enabled Neighbor Unreachability Detecion : enabled Router Discovery
				: dhcp Managed Address Configuration : enabled Other Stateful Configuration :
				enabled Weak Host Sends : disabled Weak Host Receives : disabled Use Automatic
				Metric : enabled Ignore Default routes : disabled

Note The "Base Reachable Time" value has changed to 60000 ms.

????? ????? ?? ????? ??????? ?????? ?????? ?? ???? ????? ????? ?????? ?? ???? ???????:
ipv4 ????? netsh ????? neighborcachelimit ??????? = 4096
?????? ?? ????? ??????? ?????? ?????? ????????? ?? 256.

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

http://www.ietf.org/rfc/rfc2461.txt

(http://www.ietf.org/rfc/rfc2461.txt)

????? ?? ????????? ??? ??? ??????? TCP/IP ?? Windows Vista ?? Windows Server 2008 ?????? ???? ????? ??????:

http://download.microsoft.com/download/c/2/6/c26893a6-46c7-4b5c-b287-830216597340/TCPIP_Reg.doc

(http://download.microsoft.com/download/c/2/6/c26893a6-46c7-4b5c-b287-830216597340/tcpip_reg.doc)

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

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

???????

???? ???????: 949589 - ????? ??? ??????: 06/???/1431 - ??????: 4.0

????? ???

Windows Vista Business
Windows Vista Enterprise
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Ultimate
Windows Vista Business 64-bit edition
Windows Vista Enterprise 64-bit edition
Windows Vista Home Basic 64-bit edition
Windows Vista Home Premium 64-bit edition
Windows Vista Ultimate 64-bit edition
Windows Server 2008 Datacenter
Windows Server 2008 Enterprise
Windows Server 2008 Standard
Windows Server 2008 R2 Datacenter
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 Standard
Windows 7 Enterprise
Windows 7 Professional N
Windows 7 Ultimate

kbmt kbexpertiseinter kbinfo KB949589 KbMtar

????? ????

???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????

???? ??? ????? ??????? ?????? ??????????949589

(http://support.microsoft.com/kb/949589/en-us/ )