TCP/IPv6 Configurable Registry Settings
The following subkeys apply to TCP/IPv6 only. You can set all other configurable parameters by using the ipv6.exe utility. For more information about ipv6.exe, see IPv6.
Note The default registry values vary depending on which features are included in your platform. For more information, see Default Registry Settings.
The following table shows the registry values for the HKEY_LOCAL_MACHINE\Comm\Tcpip6\Parms registry key.
| Value : type | Description |
|---|---|
| DefaultCurHopLimit : REG_WORD | Default setting is 128. Specifies the current hop limit. |
| TcpTimedWaitDelay : REG_DWORD | Default setting is 240. The valid range for this value is 30 to 300 milliseconds. This value determines the length of time that a connection stays in the TIME_WAIT state when being closed. While a connection is in the TIME_WAIT state, the socket pair cannot be re-used. |
The following table shows the registry values for the HKEY_LOCAL_MACHINE\Comm\Tcpip6\Parms\Global registry key.
| Value : type | Description |
|---|---|
| UseTemporaryAddresses : REG_DWORD | Default setting is 1. Specifies whether temporary addresses should be used. |
The following table shows the host-specific values for the HKEY_LOCAL_MACHINE\Comm\Tcpip\Hosts\<Host Name> subkey.
| Value : type | Description |
|---|---|
| ipaddr6 : REG_BINARY | This value stores the IPv6 addresses associated with this host name. The length of this value is 20 bytes per address (16 bytes for address and 4 bytes for Scope ID). |
See Also
Last updated on Tuesday, May 18, 2004
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