diff --git a/godbrain_core/reclaim11/README.md b/godbrain_core/reclaim11/README.md
index d2cd974..868e99e 100644
--- a/godbrain_core/reclaim11/README.md
+++ b/godbrain_core/reclaim11/README.md
@@ -144,8 +144,9 @@ Does **not** delete `xboxgip`. Does **not** remove
 start=disabled. Restore:
 `pwsh -File telemetry_cleanse.ps1 -Restore restore.json`.
 
-**Tune NIC** (Ethernet only): EEE/interrupt moderation/flow/WoL off, RSS on,
-Rx/Tx **256–512**. Skips VMware host VMnet / Tailscale / Wi-Fi.
+**Tune NIC** (Ethernet only): EEE/interrupt moderation/flow/WoL off,
+checksum/LSO/VLAN-priority off, RSS on, Rx/Tx **256–512**. Does not
+force Speed/Duplex. Skips VMware host VMnet / Tailscale / Wi-Fi.
 `pwsh -File nic_tune.ps1 -T`.
 
 **Latency bake** (Expert, in-Windows): flags are under
diff --git a/godbrain_core/reclaim11/ps1/nic_tune.ps1 b/godbrain_core/reclaim11/ps1/nic_tune.ps1
index cd2a620..5fe5377 100644
--- a/godbrain_core/reclaim11/ps1/nic_tune.ps1
+++ b/godbrain_core/reclaim11/ps1/nic_tune.ps1
@@ -1,5 +1,6 @@
-# Gaming NIC tune: disable power-saving / EEE / interrupt moderation,
-# set RSS on, bump Rx/Tx buffers. Keyword map, not per-vendor scripts.
+# Gaming NIC tune: disable power-saving / EEE / interrupt moderation /
+# checksum / LSO / VLAN tags, set RSS on, bump Rx/Tx buffers.
+# Keyword map, not per-vendor scripts. Do not force Speed/Duplex.
 # Physical Ethernet only (skip Wi-Fi, VMware, Tailscale, Bluetooth).
 # restore.json first. -T is DeviceCleanupCmd-t. Never BFE.
 
@@ -24,22 +25,36 @@ $script:NicSkipDesc = @(
     "*Kernel Debug*", "*Npcap*", "*TAP-*"
 )
 
-# Disable = power / latency junk. Not checksum/LSO (CPU vs packets).
+# Disable = power / latency / offload junk. VLAN/priority off (n00b kit;
+# anyone on tagged LAN knows how to turn it back). Not Speed/Duplex.
 $script:NicDisable = @(
     @{ Keyword = "*EEE"; Display = @("Energy Efficient Ethernet", "EEE") },
     @{ Keyword = "*EEELinkAdvertisement"; Display = @("EEE Link Advertisement") },
     @{ Keyword = "*InterruptModeration"; Display = @("Interrupt Moderation") },
     @{ Keyword = "ITR"; Display = @("Interrupt Moderation Rate") },
     @{ Keyword = "*FlowControl"; Display = @("Flow Control") },
+    @{ Keyword = "*TCPChecksumOffloadIPv4"; Display = @("TCP Checksum Offload (IPv4)") },
+    @{ Keyword = "*TCPChecksumOffloadIPv6"; Display = @("TCP Checksum Offload (IPv6)") },
+    @{ Keyword = "*UDPChecksumOffloadIPv4"; Display = @("UDP Checksum Offload (IPv4)") },
+    @{ Keyword = "*UDPChecksumOffloadIPv6"; Display = @("UDP Checksum Offload (IPv6)") },
+    @{ Keyword = "*IPChecksumOffloadIPv4"; Display = @("IPv4 Checksum Offload") },
+    @{ Keyword = "*IPChecksumOffloadIPv6"; Display = @("IPv6 Checksum Offload") },
+    @{ Keyword = "*LsoV2IPv4"; Display = @("Large Send Offload V2 (IPv4)") },
+    @{ Keyword = "*LsoV2IPv6"; Display = @("Large Send Offload V2 (IPv6)") },
+    @{ Keyword = "*LsoV1IPv4"; Display = @("Large Send Offload (IPv4)") },
+    @{ Keyword = "*PriorityVLANTag"; Display = @("Packet Priority & VLAN", "Priority & VLAN") },
     @{ Keyword = "*PMARPOffload"; Display = @("ARP Offload") },
     @{ Keyword = "*PMNSOffload"; Display = @("NS Offload") },
     @{ Keyword = "*WakeOnMagicPacket"; Display = @("Wake on Magic Packet", "Wake on magic packet") },
     @{ Keyword = "*WakeOnPattern"; Display = @("Wake on Pattern Match", "Wake on pattern match") },
+    @{ Keyword = "WakeOnMagicPacketFromS5"; Display = @("Wake On Magic Packet From S5") },
     @{ Keyword = "*PacketCoalescing"; Display = @("Packet Coalescing") },
     @{ Keyword = "EnableWakeOnLan"; Display = @("Wake on LAN", "Wake On LAN") },
     @{ Keyword = "GreenEthernet"; Display = @("Green Ethernet", "GreenEthernet") },
     @{ Keyword = "PowerSavingMode"; Display = @("Power Saving Mode", "Ultra Low Power Mode") },
-    @{ Keyword = "*IdlePowerDown"; Display = @("Reduce Speed On Power Down", "Auto Disable Gigabit") }
+    @{ Keyword = "*IdlePowerDown"; Display = @("Reduce Speed On Power Down", "Auto Disable Gigabit") },
+    @{ Keyword = "*IdleRestriction"; Display = @("Idle power down restriction") },
+    @{ Keyword = "AdaptiveIFS"; Display = @("Adaptive Inter-Frame Spacing") }
 )
 
 $script:NicEnable = @(
diff --git a/godbrain_core/reclaim11/ui/MainWindow.xaml b/godbrain_core/reclaim11/ui/MainWindow.xaml
index 6840665..cd31347 100644
--- a/godbrain_core/reclaim11/ui/MainWindow.xaml
+++ b/godbrain_core/reclaim11/ui/MainWindow.xaml
@@ -189,7 +189,7 @@
           <CheckBox x:Name="BtnSafe" Content="Safe cleanse  (move + restore.json)" IsEnabled="False"/>
           <CheckBox x:Name="BtnXbox" Content="Hide Xbox + Appx bloat  (restore.json)"/>
           <CheckBox x:Name="BtnTelemetry" Content="Disable telemetry  (restore.json)"/>
-          <CheckBox x:Name="BtnNic" Content="Tune NIC  (RSS + buffers, no EEE)"/>
+          <CheckBox x:Name="BtnNic" Content="Tune NIC  (offloads off, RSS on)"/>
           <CheckBox x:Name="BtnLatency" Content="Latency bake  (BCD + timer + USB/ASPM, restore.json)"/>
           <CheckBox x:Name="BtnKill" Content="Killing blows  (YOLO delete, after PE)" IsEnabled="False"/>
           <CheckBox x:Name="BtnReaper" Content="Send Grim Reaper  (remainder + WU lock + hide WU in Settings, after PE)" IsEnabled="False"/>
diff --git a/scripts/Test-Reclaim11.ps1 b/scripts/Test-Reclaim11.ps1
index bc3a5ad..6885e88 100644
--- a/scripts/Test-Reclaim11.ps1
+++ b/scripts/Test-Reclaim11.ps1
@@ -1218,13 +1218,27 @@ $intelProps = @(
     [pscustomobject]@{ DisplayName = "Energy Efficient Ethernet"; RegistryKeyword = "*EEE"; RegistryValue = @("1"); ValidRegistryValues = @("0", "1") },
     [pscustomobject]@{ DisplayName = "Receive Side Scaling"; RegistryKeyword = "*RSS"; RegistryValue = @("0"); ValidRegistryValues = @("0", "1") },
     [pscustomobject]@{ DisplayName = "Receive Buffers"; RegistryKeyword = "*ReceiveBuffers"; RegistryValue = @("256"); ValidRegistryValues = @("128", "256", "512", "1024", "2048", "4096") },
-    [pscustomobject]@{ DisplayName = "Transmit Buffers"; RegistryKeyword = "*TransmitBuffers"; RegistryValue = @("256"); ValidRegistryValues = @("128", "256", "512", "1024", "2048") }
+    [pscustomobject]@{ DisplayName = "Transmit Buffers"; RegistryKeyword = "*TransmitBuffers"; RegistryValue = @("256"); ValidRegistryValues = @("128", "256", "512", "1024", "2048") },
+    [pscustomobject]@{ DisplayName = "TCP Checksum Offload (IPv4)"; RegistryKeyword = "*TCPChecksumOffloadIPv4"; RegistryValue = @("3"); ValidRegistryValues = @("0", "1", "2", "3") },
+    [pscustomobject]@{ DisplayName = "Large Send Offload V2 (IPv4)"; RegistryKeyword = "*LsoV2IPv4"; RegistryValue = @("1"); ValidRegistryValues = @("0", "1") },
+    [pscustomobject]@{ DisplayName = "Packet Priority & VLAN"; RegistryKeyword = "*PriorityVLANTag"; RegistryValue = @("3"); ValidRegistryValues = @("0", "1", "2", "3") },
+    [pscustomobject]@{ DisplayName = "Speed & Duplex"; RegistryKeyword = "*SpeedDuplex"; RegistryValue = @("0"); ValidRegistryValues = @("0", "6") }
 )
 $nicPlan = Resolve-Reclaim11NicPlan -AdapterName "Ethernet" -Props $intelProps
 $eee = @($nicPlan | Where-Object { $_.keyword -eq "*EEE" } | Select-Object -First 1)
 if (-not $eee -or $eee.wanted -ne "0") { throw "Test-Reclaim11: NIC map must disable *EEE" }
 $rss = @($nicPlan | Where-Object { $_.keyword -eq "*RSS" } | Select-Object -First 1)
 if (-not $rss -or $rss.wanted -ne "1") { throw "Test-Reclaim11: NIC map must enable *RSS" }
+$csum = @($nicPlan | Where-Object { $_.keyword -eq "*TCPChecksumOffloadIPv4" } | Select-Object -First 1)
+if (-not $csum -or $csum.wanted -ne "0") { throw "Test-Reclaim11: NIC map must disable TCP checksum offload" }
+$lso = @($nicPlan | Where-Object { $_.keyword -eq "*LsoV2IPv4" } | Select-Object -First 1)
+if (-not $lso -or $lso.wanted -ne "0") { throw "Test-Reclaim11: NIC map must disable LSO" }
+$vlan = @($nicPlan | Where-Object { $_.keyword -eq "*PriorityVLANTag" } | Select-Object -First 1)
+if (-not $vlan -or $vlan.wanted -ne "0") { throw "Test-Reclaim11: NIC map must disable Priority/VLAN" }
+$spd = @($nicPlan | Where-Object { $_.keyword -eq "*SpeedDuplex" } | Select-Object -First 1)
+if ($spd) { throw "Test-Reclaim11: NIC map must not force Speed/Duplex" }
+$nicSrcEarly = Get-Content -LiteralPath (Join-Path $ps1 "nic_tune.ps1") -Raw -Encoding UTF8
+if ($nicSrcEarly -match '\*SpeedDuplex') { throw "Test-Reclaim11: nic_tune must not set SpeedDuplex" }
 $rx = @($nicPlan | Where-Object { $_.keyword -eq "*ReceiveBuffers" } | Select-Object -First 1)
 if (-not $rx -or $rx.wanted -ne "256") { throw "Test-Reclaim11: NIC Rx already 256 stays in CS2 band" }
 $fatProps = @(