Operating System Microsoft Windows 2000 tcp/ip implementation Details
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- AddressResolutionTimeout
- ARPEntryAgingTimeout
- MaxResolutionAttempts
- ServerConnectInterval
- ServerRefreshTimeout
- ServerRegistrationTimeout
- DefaultVcAgingTimeout
- MARSConnectInterval
- MARSRegistrationTimeout
- MaxJoinLeaveAttempts
- MaxDelayBetweenMULTIs
ATM ARP Client ParametersThe ATM ARP client parameters are located—along with the TCP/IP parameters for each interface—under the AtmArpC subkey. A sample dump of the registry for a single TCP/IP interface for an ATM adapter is shown below. HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{A24B73BE-D2CD-11D1-BE08-8FF4D413E1BE}\AtmArpC SapSelector = REG_DWORD 0x00000001 AddressResolutionTimeout = REG_DWORD 0x00000003 ARPEntryAgingTimeout = REG_DWORD 0x00000384 InARPWaitTimeout = REG_DWORD 0x00000005 MaxResolutionAttempts = REG_DWORD 0x00000004 MinWaitAfterNak = REG_DWORD 0x0000000a ServerConnectInterval = REG_DWORD 0x00000005 ServerRefreshTimeout = REG_DWORD 0x00000384 ServerRegistrationTimeout = REG_DWORD 0x00000003 DefaultVcAgingTimeout = REG_DWORD 0x0000003c MARSConnectInterval = REG_DWORD 0x00000005 MARSRegistrationTimeout = REG_DWORD 0x00000003 JoinTimeout = REG_DWORD 0x0000000a LeaveTimeout = REG_DWORD 0x0000000a MaxJoinLeaveAttempts = REG_DWORD 0x00000005 MaxDelayBetweenMULTIs = REG_DWORD 0x0000000a ARPServerList = REG_MULTI_SZ "4700790001020000000000000000A03E00000200" MARServerList = REG_MULTI_SZ "4700790001020000000000000000A03E00000200" MTU = REG_DWORD 0x000023dc PVCOnly = REG_DWORD 0x00000000 A description of each of these parameters follows. SapSelectorKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number Valid Range: 1–255 Default: 1 Description: Specifies the selector byte value used by the ATMARP client as the twentieth byte of its ATM address. The resulting address is used to register with the ATMARP server and the Multicast Address Resolution Server (MARS). AddressResolutionTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–60 Default: 3 Description: Specifies how long the ATMARP client waits for a response after sending an ARP request for a unicast IP address (or MARS request for a multicast/broadcast IP address). If this timer elapses, the ATMARP client retransmits the request a maximum of (MaxResolutionAttempts – 1) times. ARPEntryAgingTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 90–1800 Default: 900 seconds (15 minutes) Description: Specifies how long the ATMARP client retains address resolution information for a unicast IP address before it is invalidated. If this timer expires, the ATMARP client does one of the following things:
InARPWaitTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–60 Default: 5 Description: Specifies how long the ATMARP client waits for a response after sending an Inverse Address Resolution Protocol (InARP) request to revalidate a unicast IP address to ATM address mapping, that is, an ARP entry. If this timer expires, the ATMARP client deletes the ARP table entry that contains the IP address. MaxResolutionAttemptsKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number Valid Range: 1–255 Default: 4 Description: Specifies the maximum number of attempts to be made by the ATMARP client to resolve a unicast or multicast or broadcast IP address to an ATM address (or addresses). MinWaitAfterNakKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–60 Default: 10 Description: Specifies how long the ATMARP client waits after receiving a failure (ARP NAK) response from the ARP server or MARS. This prevents the ATMARP client from flooding the server with queries for an IP address that is nonexistent or unknown. ServerConnectIntervalKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–30 Default: 5 Description: Specifies how long the ATMARP client waits after a failed attempt to connect to the ARP server before retrying the connection. ServerRefreshTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 90–1800 Default: 900 seconds (15 minutes) Description: Specifies the interval at which the ATMARP client sends an ARP Request with its own IP/ATM address information to refresh the ATMARP server’s cache. ServerRegistrationTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–60 Default: 3 Description: Specifies how long the ATMARP client waits for an ARP Response packet in reply to an ARP Request packet that it sent to register its own IP/ATM information with the ATMARP server. If this timer expires, the ATMARP client retransmits the ARP Request packet. DefaultVcAgingTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 10–1800 Default: 60 Description: Specifies the inactivity time-out for all VCs initiated by the ATMARP client. This does not apply to PVCs. Inactivity is defined as a condition of no data activity in either direction. If this timer expires, the ATMARP client disconnects the VC. MARSConnectIntervalKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–30 Default: 5 Description: Specifies how long the ATMARP client waits after a failed attempt to connect to the MARS before retrying the connection. MARSRegistrationTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 1–60 Default: 3 Description: Specifies how long the ATMARP client waits for an MARS Join packet in reply to a MARS Join packet that it sent to register its ATM address with the MARS. If this timer expires, the ATMARP client retransmits the MARS Join packet. JoinTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 5–60 Default: 10 Description: Specifies how long the ATMARP client waits for a MARS Join packet in reply to a MARS Join packet it sent to initiate membership to an IP multicast group (or the IP broadcast address). If this timer expires, the ATMARP client retransmits the MARS join packet a maximum of MaxJoinLeaveAttempts. LeaveTimeoutKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of seconds Valid Range: 5–60 Default: 10 Description: Specifies how long the ATMARP client waits for a MARS Leave packet in reply to a MARS Leave packet that it sent to terminate membership from an IP multicast group (or the IP broadcast address). If this timer expires, the ATMARP client retransmits the MARS Leave packet a maximum of MaxJoinLeaveAttempts one time. MaxJoinLeaveAttemptsKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number Valid Range: 1–10 Default: 5 Description: Specifies the maximum number of attempts to be made by the ATMARP client to Join or Leave an IP multicast (or broadcast) group. MaxDelayBetweenMULTIsKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—Number of seconds Valid Range: 2–60 Default: 5 Description: Specifies the maximum delay expected by the ATMARP client between successive MARS MULTI packets corresponding to a single MARS Request. ARPServerListKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_MULTI_SZ Valid Range: A list of strings containing ATM addresses Default: 4700790001020000000000000000A03E00000200 Description: This is the list of ARP servers that the ARP client is allowed to register with. This is used in a failover fashion; that is, the ARP client tries to register using each address in sequence until successful. MARServerListKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_MULTI_SZ—list of strings Valid Range: A list of strings containing ATM addresses Default: 4700790001020000000000000000A03E00000200 Description: This is the list of MARS servers that the ARP client is allowed to register with. This is used in a failover fashion; that is, the ARP client tries to register using each address in sequence, until successful. MTUKey: Tcpip\Parameters\Interfaces\interface\AtmArpC Value Type: REG_DWORD—number of bytes Valid Range: 9180–65527 Default: 9180 Description: Specifies the maximum transmission unit reported to the IP layer for this interface.
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