Network Stack Configuration
- Reset TCP/IP Stack
- Renew IP Address
- Flush DNS Cache
- Restart Network Adapter
Offloading and Optimization
- Disable IPsec Task Offload and TCP Chimney Offload
- Enable Large Send Offload (LSO)
- Enable Network Task Offloading
- Enable Direct Cache Access (DCA)
- Enable RSS (Receive Side Scaling)
- Enable Fast Send Datagram
Performance Improvements
- Enable Auto-Tuning
- Increase IRPStackSize
- Improve Live Migration
- Enable Weak Host Model
- Set Congestion Provider to BBR2/NewReno
- Increase TCP Initial Congestion Window
- Lower Initial RTO
- Increase Concurrent Connections Limit
TCP/IP Features
- Enable UDP and TCP Checksums
- Enable TCP Selective Acks
- Enable Path MTU
- Disable Window Scaling Heuristics
- Disable TCP 1323 Timestamps
- Disable Nagle's Algorithm
Network Behavior Modifications
- Disable Flow Control
- Disable Interrupt Moderation
- Disable Receive Segment Coalescing State (RSC)
- Disable DMA Coalescing
- Disable Packet Coalescing
- Disable Network Power Savings
- Disable Delivery Optimization
- Disable Network Throttling
- Disable Connected Standby
Connection Management
- Lower Max SYN Retransmissions
- Decrease length of TIME_WAIT state
- Remove TCP Connection Limit
- Set Dynamic Port Range to Maximum
- Quality of Service and Configuration
- Lower Time To Live
- Increase Network Priority
- Set Network Adapter Interrupt Priority to Undefined
- Set Network Adapter Policy to IrqPolicySpreadMessagesAcrossAllProcessors
- Enable Network Adapter MSI Mode
DNS and Name Resolution
- Disable NetBIOS
- Disable LLMNR
- Enable DNS over HTTPS
Miscellaneous
- Disable RTT resiliency for non-SACK clients
- Disable Buffer List Tracking