GTK update is enabled. VHT Mode. GTK Rekey for WoWLAN – This is to regenerate the Group Temporary Key (GTK) that is used to encrypt and decrypt WiFi network traffic. Use undo gtk-rekey enable to disable GTK update. This problem only occurs on the ath10k CT firmware. # Disable GTK rekey. iw phy <phyname> wowlan show. The pfSense® project is a powerful open source firewall and routing platform based on FreeBSD. In TKIP, this is used to calculate the Michael Message Integrity Check. (i do use a bluetooth sound mini speaker) *been having issues where my internet speed drops to a crawl when that bluetooth speaker is. Acceder. Default. The espressif inc is designed with low power consumption, given the grained clock gating and power scaling. Configuring the GTK Rekey Method. Apparently, the Broadlink devices can’t handle GTK rekeying properly. The network card is an Intel Wi-Fi 6 AX200 160MHz card mounted in its dedicated M. 11ac. There is a network printer in our office, several workstations. Yeah that's the problem with wake on wireless lan,. undo gtk-rekey enable. Developed…`* can do GTK rekeying` `* wake up on GTK rekey failure` `* wake up on EAP identity request` `* wake up on 4-way handshake` `* wake up on rfkill release` `* wake up on network detection, up to 11 match sets` `software interface modes (can always be added):` `* AP/VLAN` `* monitor` `valid interface combinations:` `* #{ managed } <= 1, #{ AP, P2P. Enabling Sleep on WoWLAN Disconnect Disabling ARP offload for WoWLAN Disabling NS offload for WoWLAN Disabling GTK rekeying for WoWLAN Uncheck Wake the computer to run this task for all tasks that has that checked What does work: Disabling Allow this device to wake the computer. This process eliminates the need for lock replacement. MIMO power save mode. Traductor. I use them in our home with a gigabit-speed Internet connection. iw phy <phyname> info . EAP is an authentication framework that can be used over wired and. Transmit a TDLS management frame. HT Mode. "help wowlan" or "help wowlan enable". EAPOL Key Confirmation Key (KCK) AP and single. GTK Rekeying for WoWLAN. Rekeying is the changing of locks to a new set of working key codes for the same door. Tutorial: B1: Nhấn tổ hợp Windows + R rồi gõ devmgmt. There are also many options in the advanced. 11 b/g 1 Ad Hoc QoS Mode WMM Enabled ARP ofload for WoWLAN Enabled Bluetooth® AMP Enabled Fat channel intolerant :disabled GTK. WPA changes the group key so quickly that you won't even notice the process. GTK rekeying for WoWLAN HT mode NS offload for WoWLAN Packet Coalescing Roaming Aggressiveness - i guess this goes on "lowest" Throughput Booster. ARP offloading for WoWLAN Bluetooth® AMP Fat channel intolerant GTK rekeying for WoWLAN MIMO power save mode Mixed mode protection NS offloading for WoWLAN Packet Coalescing Preferred band Roaming aggressiveness. Respond to ipv4 and ipv6 ARP/NS lookup requests 2. Enabled. I never see it being down, but if I'm streaming something to my Chromecast, it'll periodically get disconnected. I have made my own guides on networking but these are Windows settings that you can use. There are actually two sets of firmware: one for normal usage (rtl8821aefw_29. From: Hante Meuleman <meuleman@broadcom. set power manage to not turn off WiFi No change. Instead use the global as a template and use kmemdup(). Enabled. Syntax. conf does not have a wpa_strict_rekey parameter but does have. Also ALL clients on a ap share the IDENTICAL GTK key. 1-01740-QCAHSTSWPLZ_V2_TO_X86-1The GTK Rekey period is set to 2 hours (7200 seconds) by default. I would expect that the GTK rekeying was the option to take care of the encryption key without waking up. Both do support Wake on LAN on their Ethernet interfaces. GTK rekeying for WoWLAN; MIMO power save mode; Mixed mode protection; NS offloading for WoWLAN; Packet Coalescing; Preferred band; Roaming aggressiveness; Sleep on WoWLAN disconnect; Throughput Booster; Transmit power; U-APSD support; Wake on magic packet; Wake on pattern match;The under the Advanced Tap I have options like this 1: ARP offload for WoWLAN. Standalone magic packet absent GTK rekey is pretty useless, so it makes sense to flag both at once. 11n Channel Width (band 2. Ver resultados en español. Press Windows + X keys on the keyboard, select Command prompt (admin). Traductor. I succesfully configured WoWLAN. ARP offload for WoWLAN Enabled/Disabled . Fat Channel Intolerant. berg@intel. Wake-On-WLAN. GTK rekeying for WoWLAN. 02, wouldn't work with Linux kernel version 5. , Ltd. Wake-On-WLAN. Also, it can adapt to different power modes, and the proprietary software will comply with everything. Type ‘cmd’ (spelling out ‘command prompt’ works but Windows recognises ‘cmd’). Bạn cần thêm. Packet Coalescing Enabled/Disabled In Windows® 7, to enable support for Wake on Wireless LAN (WoWLAN) Group Temporal Key (GTK) Rekey, and Extensible Authentication Protocol (EAP) power-management scenarios, you must modify a registry key. WPA automatically changes secret keys after a certain period of time. What we see in DNA Center version 2. You may re-send via your profile. Views. nvram set wl0_wpa_gtk_rekey=0 nvram set wl1_wpa_gtk_rekey=0 nvram set wl2_wpa_gtk_rekey=0 nvram commit service restart_wireless 2. The warning message will appear in logread, when I use 2 devices (WiFi clients) with the same username/password authentication with 801. ARP offload for WoWLAN: Enabled; Bluetooth(R) AMP: Disabled; Channel Width for 2. 4GHz Band/Prefer 5. Power usage. GTK rekeying for WoWLAN; MIMO power save mode; Mixed mode protection; NS offloading for WoWLAN; Packet Coalescing; Preferred band; Roaming aggressiveness; Sleep on WoWLAN disconnect; Throughput Booster; Transmit power; U-APSD support; Wake on magic packet; Wake on pattern match;The PME message can only be sent if the device's PME Enable bit is set. ASUSマザーボードでのWoWLAN (Wake on Wireless LAN)設定についてまとめる。環境下記スペックの自作PCで確認。. MIMO Power Save Mode Auto SMPS. Standalone magic packet absent GTK rekey is pretty useless, so it makes sense to flag both at once. I would expect that the GTK rekeying was the option to take care of the encryption key without waking up. Bluetooth(R) AMP Disabled/Enabled . : Number of packets (including multicasts and broadcasts) that are transmitted before the GTK is refreshed. Used in group key handshake to encrypt the new GTK. GTK rekeying for WoWLAN. Wiphy phy0 WoWLAN support: * wake up on disconnect * wake up on magic packet * wake up on pattern match, up to 20 patterns of 16-128 bytes, maximum packet offset 0 bytes * can do GTK rekeying * wake up on GTK rekey failure * wake up on EAP identity request * wake up on 4-way handshake * wake up on rfkill release * wake up on network detection. if you mean overlapping, it is 2 as far as i know there is 2 computers connected to the network. Sep 19, 2022. 2: GTK rekeying for WoWLAN. _wowlan. So they can differ per device. ASUS: Many ASUS routers default to "0", choosing to prioritize performance over. EAPOL Key Encryption Key (KEK) AP and single station. The problem is, I thought the Advanced Setting: "GTK rekeying for WoWLAN" would handle that request without waking up the computer. GTK is used to encrypt and decrypt network traffic. gtk-rekey client-offline enable. With WoWLAN, one additional caveat is that the laptop tends to wake up each time when the wireless router triggers a GTK rekeying event, albeit on a lot of routers it also is possible to disable GTK rekeying, but if you do that, then, for security reasons you might want to set up a separate WiFi network specifically for WoWLAN so as to still be. <Sysname> system-view [Sysname] wlan service-template security [Sysname-wlan-st-security] gtk. g. Netgear: This brand also tends to default to a 3600-second rotation interval, aligning with industry best practices. 11n), and/or Very High THroughput (802. Wake-On-WLAN. Enabled . 6 on 5520 WLC using 8. $ sudo iw list | grep -B 1 "wake up" WoWLAN support: * wake up on disconnect * wake up on magic packet * wake up on pattern match, up to 20 patterns of 16-128 bytes, -- * can do GTK rekeying * wake up on GTK rekey failure * wake up on EAP identity request *. Also, add some new triggers that match what iwlagn devices can do. GTK rekeying for WoWLAN enabled MIMO Power Save Mode auto SMPS Mixed Mode Protection RTS/CTS enabled NS offload for WoWLAN enabled. WMM / WME: Wi-Fi Multimedia (WMM), previously known as Wireless Multimedia Extensions (WME) is a wireless quality of service (QoS) standard subset of 802. Or unless you are talking about the PMK. A possible reason why the Radeon™ Software Installer failed to identify your graphics hardware is because it belongs in one of these unsupported product groups: Embedded AMD Radeon graphics. The situation happens when I try to reach the network via. (i do use a bluetooth sound mini speaker) *been having issues where my internet speed drops to a crawl when that bluetooth speaker is connected. Go to Control PanelNetwork and InternetNetwork Connections. This article describes how to avoid logout users from Wi-Fi connection showing 'wrong password'. Sleep on WoWLAN Disconnect disabled Throughput booster disabled Transmit power highest U-APSD support disabled Wake on magic packet enabled Wake on pattern match enabled OS Win 10. Whereas I can get a AX AP for $160 w/o 6G band. 3 and 4. Subject: [PATCH v4 09/12] wcn36xx: Add GTK offload info to WoWLAN resume From : "Bryan O'Donoghue" <bryan. undo gtk-rekey enable. 4: Sleep on WoWLAN Disconnect. Syntax. It will ease debug and enable test automation. <Sysname> system-view [Sysname] wlan service-template security [Sysname-wlan-st-security] gtk. I have compiles the current git version. GTK Rekey off on the protected SSID Connects high performance clients to 5 GHz only - OFF Fast Roaming - OFF DTIM Period 2G & 5G - Tried 1, 2, and 3. Hello Wasper, We did not receive any reply to our message. So they can differ per device. The only way I have found to stop the unexpected wakeup was to disable the change of the encryption key by the router. g. Here's the simplest code snippet to reproduce my issue: #include "gtk/gtk. It also does not work on locks with. However, my PC gets wake as soon as my router ask for 4-way handshake. 2: GTK rekeying for WoWLAN. The GTK can change over time in order to (e. Good idea and the code is always appreciated. The value is in the range of 5000 to 4294967295 and defaults. probe an associated client, must return a cookie that it later passes to cfg80211_probe_status(). set_noack_map. 2 slot and BIOS for the motherboard is at version 2. The under the Advanced Tap I have options like this 1: ARP offload for WoWLAN. 11n Channel Width for 5. I am using WPA2 on my Wifi network, along with GTK rekeying enabled, with a timeline of every 60 seconds. Prefer 5Ghz band Here are the WiFi adapter settings: Intel AX200 Setting Name Setting State 802. Indicates that the cmdlet manages the Wi-Fi robust security network (RSN) rekey offload capability of the network adapter. According to the Wake-on-Wireless LAN topic on the. Group Temporal Key (GTK) Rekey is used to encrypt and decrypt network traffic. Subject: [PATCH 6/6] ath11k: support GTK rekey offload; From: Carl Huang <cjhuang@xxxxxxxxxxxxxx> Date: Mon, 11 Oct 2021 15:37:50 -0400; Cc: linux-wireless@xxxxxxxxxxxxxxx; In-reply-to: <20211011193750. I've got an AMD Ryzen 3700X and an ASRock X570 Phantom Gaming 4 WiFi ax and tried editing stuff in the BIOS and in Windows 10 and yet no results. Also, shouldn't Windows not wake for that since I said only wake on a Magic packet? Update 3: 03-31-2015 05:14 AM. 22. RTL8822CE 802. 4 & 5, Multicast Enhancement is enabled, I don't hide the SSID, PMF disabled, and Group Rekey Interval is set to 86400 (this post). wl_wpa_gtk_rekey=0. If there are any questions, leave those in the comments section and i will respond to them as soon as possible. does not seem to do a rekey when a station is bumped/disassociated. GTK rekeying for WoWLAN: Group Temporal Key (GTK) rekey is used to encrypt/decrypt network traffic Enabled by default. Device ManagerAX200Advance: Wake on magic packet ENABLE. 9 years ago. GTK rekeying for WoWLAN; MIMO power save mode; Mixed mode protection; NS offloading for WoWLAN; Packet Coalescing; Preferred band; Roaming aggressiveness; Sleep on WoWLAN disconnect; Throughput Booster; Transmit power; U-APSD support; Wake on magic packet; Wake on pattern match;GTK Rekeying For WoWLAN: Explained GTK is one of those free and open-source cross-platforms widget toolkit which is designed for producing creative (GUIs). Right-click on your network adapter and choose Properties from the context menu. It comes by default deactivated, we. My AP has a setting called Group Key Update Interval. wpa_group_rekey=86400. eg: iw phy. They have two options available; Enabled (which is at default) and Disabled. tdls_oper Perform a high-level TDLS operation (e. GTK Rekeying For WoWLAN: Explained GTK is one of those free and open-source cross-platforms widget toolkit which is designed for producing creative (GUIs). [prev in list] [next in list] [prev in thread] [next in thread] List: linux-wireless Subject: [PATCH v3 6/6] ath11k: support GTK rekey offload From: Carl Huang <quic_cjhuang quicinc ! com> Date: 2022-02-08 8:13:26 Message-ID: 1644308006-22784-7-git-send-email-quic_cjhuang quicinc ! com [Download RAW message or body]Use undo gtk-rekey enable to disable GTK rekey. Channel width. ImplementWakeOnWLAN, specify that the miniport adapter must support at least 2 NS offload requests. Packet Coalescing. Default. 1. service. tap1 no wireless extensions. ax Wireless Mode 802. Please click the verification link in your email. Dmitry Shmidt. [prev in list] [next in list] [prev in thread] [next in thread] List: linux-wireless Subject: [PATCH v6 08/12] wcn36xx: Add GTK offload to WoWLAN path From: Bryan O'Donoghue <bryan. . Effect : Lower intervals mean the key changes more often, but can cause the issue of users disconnecting or unable to join the network with the message 'wrong password’, even if the credentials are correct. 11n Channel Width for 2. It is also slower than the upload speed. give the data necessary for GTK rekeying to the driver. Default command level. Modify in the SSID configuration the value for 'gtk-rekey-intv' in 'wireless-controller vap'. To: Kalle Valo <kvalo@xxxxxxxxxxxxxx>; Subject: [PATCH 14/21] brcmfmac: add wowl gtk rekeying offload support; From: Arend van Spriel <arend@xxxxxxxxxxxx>; Date: Wed, 17 Feb 2016 11:27:03 +0100; Cc: linux-wireless <linux-wireless@xxxxxxxxxxxxxxx>, Hante Meuleman <meuleman@xxxxxxxxxxxx>, Arend van Spriel <arend@xxxxxxxxxxxx>; In. I’ve instead created a virtual LAN with a wireless network without GTK rekeying just for the Broadlink device. Which at least theoretically can only happen when the PSK is rekeyed during an association. gtk-rekey enable. Auto SMPS. GTK rekeying for WoWLAN MIMO power save mode Mixed mode protection NS offloading for WoWLAN Packet Coalescing Preferred band Roaming aggressiveness. Once done it is possible for wcn36xx firmware to 1. 11e. Have not tried setting the minimum data rate control yet. 11n) and VHT (802. Allow computer to turn off device. 11a/b/g Wireless Mode Dual Band 802. Service template view. set_noack_map. These warnings are not tied to WPA-EAP. Private Forums; Intel oneAPI Toolkits Private Forums; All other private forums and groups; Intel® Connectivity Research Program (Private)From: Johannes Berg <johannes. integer: Minimum value: 1800 Maximum value: 864000: eap-reauth: Enable/disable EAP re-authentication for WPA-Enterprise. GTK has 128 bits for CCMP and 256 bits for TKIP. Solution. LAN. CapitalF commented on Dec 31, 2021. 2_wpa_gtk_rekey=0. NS offload for WoWLAN. 11ax ARP offload for WoWLAN Enabled Channel Width for 2. network adapter (Windows also reports it is enabled). Which ones? What are your current settings? Do you have aI succesfully configured WoWLAN. 11 RNG using only clock jitter Uses jiffies for current time: equals uptime of the AP Predict both GMK and GNONCE to determine group key! 23 Counter (GNONCE) Group master key (GMK) Group Temporal Key (GTK) SHA-1 RNG At bootThe Wake on Wireless LAN feature was added to Intel wireless adapters as part of. 2: System level. Syntax. 3_wpa_gtk_rekey=0. Channel width. vk2bea (Michael Katzmann) October 5, 2023, 2:18pm 1. I would expect that the GTK rekeying was the option to take care of the encryption key without waking up. Note: devicename. HT Mode. NS offload for WoWLAN enabled. Views. Hello Wasper, I would like to inform you that the new Intel® PROSet/Wireless Software 19. Or create a static configuration file with wpa_passphrase beforehand and use wpa_supplicant's -c flag to read it. 3 and 4. WLAN service template view. 6: Wake on Pattern Match. Preferred Band No Preference/Prefer 2. I would expect that the GTK rekeying was the option to take care of the encryption key without waking up the NUC. GTK is used to encrypt and decrypt network traffic. packet-based: Indicates the GTK will be refreshed after a specified number of packets are transmitted. Scwab, WoWLan does not only depend on the the adapter. The only way I have found to stop the unexpected wakeup was to disable the change of the encryption key by the router. It was set to 1 hour. I have two very similar Lenovo computers M900Q and M910Q. In Windows® 7, to enable support for Wake on Wireless LAN (WoWLAN) Group Temporal Key (GTK) Rekey, and Extensible Authentication Protocol (EAP) power-management scenarios, you must modify a registry key. Right-click on ‘Command Prompt’ and click ‘Run as administrator’. NS offload for WoWLAN. 2GHz band". 10. Time interval for rekeying GTK (broadcast/multicast encryption keys) in seconds (dot11RSNAConfigGroupRekeyTime) This defaults to 86400 seconds (once per day) when using CCMP/GCMP as the group cipher and 600 seconds (once per 10 minutes) when using TKIP as the group cipher. Press Windows + X keys on the keyboard, select Command prompt (admin). There are some commands with relation to networking that you should've known of beforehand. Hello, I try to get this on my archlinux desktop to work. GTK rekeying for WoWLAN Enabled/Disabled . ARP offload for WoWLAN. I have dnsmasq and hostapd installed, everything is up to date current. The card works, but the output of the iw list command has me suspecting that I've received a counterfeit card containing an older 802. If firmware does not support embedded supplicant, then it in turn will not support GT rekey offloading. tdls_oper. 1X SSIDs. HT Mode. g. network-admin. Once done it is possible for wcn36xx firmware to 1. GTK Rekeying for WoWLAN. In this article, we will walk you through a relevant description of this software platform—GTK rekeying for WoWLAN. Allows you to reduce power consumption in latency-sensitive low-traffic modes, such as VoIP. 11 packets contain a two-bit number called the key index number. Wake-On-WLAN. Roaming aggressiveness 1. ARP offload for WoWLAN enabled Channel width for 2. Fat Channel Intolerant. An AC generates a group transient key (GTK) and sends the GTK to a client during the authentication process between an AP and the client through group key handshake/the 4-way handshake. Transmit a TDLS management frame. com> In order to be able to (securely) keep connections alive after the system was suspended for WoWLAN, we need some additional APIs. After rekeying was done it should (for example during resume) notify userspace of the new replay counter using ieee80211_gtk_rekey_notify(). wl1_wpa_gtk_rekey=0. Dmitry Shmidt. 4/band 5. WLAN. give the data necessary for GTK rekeying to the driver. gtk-rekey client-offline. TDLS link setup). wake up on GTK rekey failure; wake up on network detection, up to 16 match sets ; To check the list of supported wowl conditions in your wlan chip, issue for the following command. So in. Syntax. Linux Wireless: [PATCH v3] iw: add packet offset information for wowlan patternGTK rekeying for WoWLAN = Disabled: HT Mode = HT Mode: Mixed Mode Portection = CTS-t-self Enable: NS offload for WoWLAN = Disabled: Packed Coalescing = Disabled: Preffered Band = 5. Enabled . Views. 0 PCI WLAN. 3: NS offload for WoWLAN. 3. Perform a high-level TDLS operation (e. 15. Going to Device Manager > Intel Dual Band Wireless-AC 3160 > Power Management shows features like "Allow this device to wake the computer" and "Only allow a magic packet to wake the computer" but after sending many wake packets to the computer when sleeping (S3) it does not wake up. One of the two keys is the Pairwise Temporal Key, or PTK for short. NS offload for WoWLAN ENABLE. Network. 0-r45454 std (01/15/21) Last edited by riley83 on Thu Jan 28, 2021 20:22; edited 2 times in totalThe Blackmagic Capture Card kernel module that normally works on Ubuntu 22. GTK rekeying for WoWLAN; MIMO power save mode; Mixed mode protection; NS offloading for WoWLAN; Packet Coalescing; Preferred band; Roaming aggressiveness; Sleep on WoWLAN disconnect; Throughput Booster; Transmit power; U-APSD support; Wake on magic packet; Wake on pattern match;In Windows® 7, to enable support for Wake on Wireless LAN (WoWLAN) Group Temporal Key (GTK) Rekey, and Extensible Authentication Protocol (EAP) power-management scenarios, you must modify a registry key. The GTK is rekeyed at Apr 09 13:39:37 and Apr 09 14:09:33: But for the problematic second rekey we have two GTK rekeys in the log in a row and we are asked to install the same key twice. gtk-rekey enable. In the document this is not clear at all. ) ensure that a station that joined the network in the past isn't still able to decrypt the broadcast traffic. com>; References: <1642673607-8896-1-git-send-email. connected LAN to dedicated WiFi client device problem not detected but doesn't fix internal WiFi. berg@intel. Some clients seem to show this almost every hour. It also does not list CCMP-256 among supported ciphers. Set the NoAck Map for the TIDs. wowlan_triggers were set. no disconnects etc. Examples # Disable GTK rekey. wpa_group_rekey=86400. If WoWLAN was configured, this indicates that mac80211 is now resuming its operation, after this the device must be fully functional again. g. This value is GTK rekey interval of WPA security. Set the NoAck Map for the TIDs. The configuration data + * is contained in %NL80211_ATTR_REKEY_DATA (which is nested and + * contains the data in sub-attributes). 2ghz: Auto Ad Hoc Channel 802. ĐĂNG KÝ NGUỒN CẤP DỮ LIỆU RSS. Respond to ipv4 and ipv6 ARP/NS lookup requests 2. 11ac. There are minimal printed circuit board requirements adhered to these modules, along with amplifiers, filters, and power. Windows Wake-on-LAN is set up through Device Manager. Time interval for rekeying GTK (broadcast/multicast encryption keys) in seconds (dot11RSNAConfigGroupRekeyTime) This defaults to 86400 seconds (once per day) when using CCMP/GCMP as the group cipher and 600 seconds (once per 10 minutes) when using TKIP as the group cipher. Once done it is possible for wcn36xx firmware to 1. 12. Add a pseudo-trigger that is used only to advertise that capability. Enabled. For example, if you configure the packet-based method and then configure the time-based method, the. The Request bit will also be set to request a rekey operation. : wake up on any activity – special trigger if device continues operating as normal during suspend : wake up if getting disconnected : wake up on receiving magic packet : wake up on receiving packet. 11ac idle power saving = disabled igmp = disabled interrupt moderation = disabled interrupt. Symptoms. network-admin. 0 Kudos Reply. 4ghz: Auto 802. . 3az Energy-Efficient Ethernet. So it is not possible to use a static global. 3. The issue is that it is unpredictable when the WoWLAN feature actually works. berg@xxxxxxxxx> Move the GTK rekeying condition into iwl_mvm_set_key_rx_seq() so we can modify it in the next patch. MIC (Michael) Key. GTK rekeying for WoWLAN MIMO Power Save Mode Mixed Mode Protection NS offload for WoWLAN Packet Coalescing Preferred Band Roaming Aggressiveness Sleep on WoWLAN Disconnect Thoughtput Booster Transmit Power U-APSD support Wake on Magic Packet Wake on Pattern Match Here are my options for. Sep 19, 2022. Network Manager is installed and running. B2: Tìm tới Network adapters > Chuột phải vào Intel (R) Wi-Fi 6 AX201 160MHz. 1 : to key (something) again There’s no sense in rekeying data that you already have in your computer. New Contributor Options. wowlan_triggers were set. eg : iw phy phy0 info. 11 b/g 11 Ad Hoc QoS Mode WMM Enabled ARP ofload for WoWLAN Enabled Bluetooth® AMP Enabled Fat channel intolerant :disabled GTK rekeying for WoWlan Ena. netadmin. Lock rekeying means replacing a lock’s internal pins to make current keys ineffective. gtk-rekey enable. CTS-to-self Enabled . 10. its hard to optimize but this config seem to hold onto around 25 MB/s all the time while copying via file explorer Intel AC 7270 Wifi Card 802. msc vào hộp thoại Run. Preamble load short and long. IEEE 802. GTK stands for “Group Temporal Key” and the GTK Rekey is used for encryption and decryption of network traffic. Junior Member. Throughput/data rate.