Specify the Default Time to Live for TCP/IP Packets (Windows NT/2000/XP)
Category: Home > Network > Protocols > TCP-IP
Specifies the default Time To Live (TTL) value set in the header of outgoing IP packets. The TTL determines the maximum amount of time an IP packet may live in the network without reaching its destination. It is effectively a limit on the number of routers an IP packet may pass through before being discarded.
Open your registry and find the key below.
Create a new DWORD value, or modify the existing value called 'DefaultTTL' using the settings below.
Exit your registry, you may need to restart or log out of Windows for the change to take effect.
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|  | DefaultTTL | REG_DWORD | 0x00000080 (128) | |
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| HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters |  |
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| Settings: |
System Key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters]
Name: DefaultTTL
Type: REG_DWORD (DWORD Value)
Value: 1-255 hops
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Related Tweaks
Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.
Last Modified: May 13, 2002
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