#network #gaming #bufferbloat #pingreply #ping #autotuning #afd #fastsenddatagramthreshold
Your pingreply's maybe high due to #Bufferbloating .
With
``netsh int tcp set global autotuning=disabled ``
you can solve this
Your ping reply's will decrease, which is good for gaming. But your Download- and UploadSpeed will decrease.
Test pings here --> https://www.waveform.com/tools/bufferbloat
( To disable it ``netsh int tcp set global autotuninglevel=normal `` )
Set the following registry:
Registry:
```r
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AFD\Parameters]
"FastSendDatagramThreshold"=dword:0000fa00
```
🛠️ **Used commands and paths:**
**CMD (run as administrator):**
``netsh int ip reset``
``netsh winsock reset ``
``ipconfig /release``
``ipconfig /flushdns``
``ipconfig /renew``
``bcdedit /set useplatformclock yes``
``bcdedit /deletevalue useplatformclock (revert if needed)``
**Registry paths and keys: (Edit YOUR NIC-ID!!!)**
```r
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters MaxCacheTtl → 86400 MaxNegativeCacheTtl → 0 NegativeCacheTime → 0
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters TcpAckFrequency → 1 TCPNoDelay → 1 TcpDelAckTicks → 0
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\Your NIC-ID TcpAckFrequency → 1 TCPNoDelay → 1 TcpDelAckTicks → 0 Tcp1323Opts → 1`
```
**NIC driver settings (Device Manager → NIC → Advanced):**
- Disable interrupt moderation
- Disable receive-side scaling (RSS)
- Disable large send offload (IPv4/IPv6)
- Disable packet coalescing
**Optional tools:**
- **ISLC (Intelligent Standby List Cleaner)** → Set timer resolution to 0.5 ms
- **HWiNFO64** → Monitor latency and clock stability
Start ``gpedit.msc`` as admin:
![[Pasted image 20251008114340.png]]
Go to your networkadaptor's properties and disable the following:
``Adaptive Inter-framce Spacing``
``Enable PME``
``Energy Efficient Ethernet``
``Flow Control``
``Interrupt Moderation``
``IPv4 Checksum Offload``
``Link speed Battery Saver``
``TCP Checksum Offload (ipv4)``
``TCP Checksum Offload (ipv6)``
``UDP Checksum Offload (ipv4)``
``UDP Checksum Offload (ipv6)``
``Ultra Low PowerMode``
Set ``Receive Buffers`` on 128
Set Transmit Buffers on 256
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[[Improve Windows Performance]]