DefaultTTL

HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

Data type	Range	Default value
REG_DWORD	1 - 255 seconds	128

Description

Specifies the default Time To Live (TTL) value set in the header of outgoing IP packets. The TTL determines how long an IP packet that has not reached its destination can remain on the network before it is discarded.

Note Image Note

Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits the registry.