Get smb multichannel Mar 29, 2025 · To enable or disable SMB Multichannel, select the current status (Enabled or Disabled depending on the status). Ensured both Ethernet adapters: Are enabled for ms_msclient. For more info about SMB Direct, see Improve Performance of a File Server with SMB Direct. x clients to establish multiple network connections simultaneously to an SMB file share with QTS 5. Ethernet ports on your client device . With SMB Multichannel, SMB detects whether a network The Get-SmbMultichannelConnection cmdlet retrieves the Server Message Block (SMB) connections made between the SMB client network interfaces and the SMB server network interfaces. 0 Performance for Applications Brahmanna Chowdary Kodavali, Ron Pratt, NetApp January 2019 | TR-4740 Abstract Microsoft has introduced a new feature called Multichannel in the SMB 3. SMB multichannel troubleshooting. Sep 15, 2014 · SMB 3. Select Enable SMB Multichannel and click on Apply. Without SMB Multichannel, SMB uses regular TCP/IP with the RDMA-capable network adapters (all network adapters provide a TCP/IP stack along with the new RDMA stack). 0 Multichannel Accelerate SMB 3. Users can connect to an SMB share using credentials different than the associated logon credentials so that there will be a connection listed per share per user logon per credential used. SMB Multichannel increases throughput. conf) 一个节（section）的格式如下 [节的名称] 选项 = 值选项 = 值1 值2 值3 ;或者#后是注释 #这是注释 ;这是注释把打印机相关节注释掉 Jan 10, 2025 · To configure SMB Multi Channel feature that is implemented in SMB 3. SMB Multichannel works with any operating system. 1 verwendet wird. 0 protocol in Windows Server 2012 and Windows 8, with the goal of improving the SMB3 protocol by Jan 28, 2025 · With SMB Multichannel enabled, an SMB3 client establishes multiple TCP connections to the Azure NetApp Files SMB server over a network interface card (NIC) that is single RSS capable. SMB multichannel allows Windows (10) to use as many adapters as you have to connect to a target to utilize all available bandwidth. Jan 26, 2011 · I have large Ramdisks on each server (40GB). I did some search on the Internet and found someone else got the similar network configuration to work as expected: Aug 13, 2013 · Here are some quick notes about some of the features which make the whole Hyper-V over SMB scenario work, this time SMB Multichannel. microsoft. com May 17, 2024 · Open PowerShell as administrator in Windows 11, run and enable SMB Multichannel (should be enabled by default): Mar 13, 2024 · SMB3 Multichannel is a feature of the SMB protocol that enables servers to use multiple network connections simultaneously. 确保在 SMB 客户端 (MS_client) 和 SMB 服务器 (MS_server) 上将网络接口的绑定设置为 True。运行以下 cmdlet 时，输出应在两个网络接口的“已启用”下显示 True： Get-NetAdapterBinding -ComponentID ms_server,ms_msclient Feb 12, 2025 · When SMB is deployed without SMB Multichannel, and if there is only one SMB session established, SMB uses one of the available network adapters to create a single TCP/IP connection. There are a few restrictions though: The adapters need to be (fairly) new and the all adapters should be able to connect to the target. Currently, I have a Debian machine which is connected to the same switch through a LACP bond, hosting SMB shares with SMB multichannel Jan 5, 2021 · Get-SmbConnection. 1 and up. 0 in a Sep 8, 2020 · Hi Naspterbarter , SMB Multichannel will only work if your network interface reports itself as RSS-capable. May 17, 2024 · Open PowerShell as administrator in Windows 11, run and enable SMB Multichannel (should be enabled by default): Mar 13, 2024 · SMB3 Multichannel is a feature of the SMB protocol that enables servers to use multiple network connections simultaneously. conf file # which, according to the Samba Team, impacts performance # However, use this with caution if your smb. Note: To use SMB multichannel, a computer that will be used for file access should support SMB multichannel. To measure the increased throughput provided by SMB Multichannel, follow these steps: Setup SMB Multichannel in one the configurations described earlier; Measure the time to perform a long-running file copy using SMB Multichannel; Disable SMB Multichannel (see instructions in previous The Get-SmbConnection cmdlet retrieves the connections established from the Server Message Block (SMB) client to the SMB servers. Dec 16, 2023 · How to Use Get-SmbMultichannelConstraint. NetworkCategory: Private (tried both with and without IPv6). Vereinfachte SMB Multichannel- und Multi-Network Interface Card (NIC)-Clusternetzwerke sind ein neues Feature, das die Verwendung mehrerer NICs (Netzwerkkarten) innerhalb desselben Clusternetzwerksubnetzes ermöglicht und SMB Multichannel automatisch aktiviert. SMB Multichannel increases network performance by aggregating network bandwidths over multiple NICs and mitigate network disruption by increasing the network fault tolerance. 0 through the use of smart design, SMB Multichanel constraints, and SMB bandwidth limits. * Network adopters support RSS (Receive Side Scaling) * Network adopters are grouped with NIC Teaming Jul 3, 2016 · Hi, I'm having trouble getting SMB Multichannel to work and am out of ideas what else to try. Anyone able to get smb multichannel up and running? I have two ethernet cables connected to the NAS, and two ethernet cables connected to my mac. 1. 0で実装されたsmbマルチチャネル機能では、smbのサーバー（ファイルサーバー）とクライアント間で複数のnicを使って複数のtcpコネクションを開設し、それらを同時に使ってデータを送受信する（以前は、サーバーとクライアント間では1つの通信路しか使わなかった）。 But even with the much smaller user pool, if you search for KB5036980 SMB multichannel, there are other people who have come to the same conclusion, that this patch can break SMB multichannel. Jan 30, 2025 · In diesem Artikel. 5. The New-SmbMultichannelConstraint cmdlet creates a Server Message Block (SMB) multi-channel constraint for the specified server. Jan 24, 2025 · Simplified SMB Multichannel and Multi-Network Interface Card (NIC) Cluster Networks is a feature that enables the use of multiple NICs on the same cluster network subnet, and automatically enables SMB Multichannel. Log into your ADM using your web browser. This is a companion discussion topic for Oct 16, 2024 · I trying to resolve an issue with SMB and RSS on my Windows 10 Pro. Jan 15, 2025 · 本文介绍如何排查与 SMB 多通道相关的问题。检查网络接口状态. 0 プロトコルの機能に実装されている smb マルチチャネル機能を利用すると、複数のネットワークインターフェースを使用してファイルサービスの速度を向上させることができます。 Study with Quizlet and memorize flashcards containing terms like Listen to exam instructions Which is of the following statements is true? Answer SMB Multichannel does not require special hardware. SMBマルチチャンネルとは複数のNICを束ねる機能; SMBマルチチャンネルを行うための条件; 準備をしよう. Note the cable colors on the below image. By understanding how to use this command, administrators can optimize network performance and ensure network fault tolerance. 5Gbps connection was much slower than a 31Gbps to 22. With the release of QTS 5. If that information helps someone, or The Update-SmbMultichannelConnection cmdlet forces the Server Message Block (SMB) client to update the multi-channel-related information. Dec 9, 2021 · According to this article SMB Multichannel can provide the following capability:. To use SMB Multi Channel feature, it must satisfy at least one of the following conditions. 1向け。SMB Multichannelを使ってネットワークドライブを高速化する。録画データがメインマシンにではなく、別のマシンにあり、そのドライブをドライブごとネットワークドライブにしてアクセスしている。で、その際の速度・快適性を上げるため、SMB Multichannelを使ってみよう、という話 Mar 27, 2025 · SMB multichannel creates “multiple paths to the device” which helps improve the traffic flow by ensuring there’s more than a single path for all data packets. These constraints can be used to control which network interfaces are used for SMB multichannel and to configure SMB multichannel behavior. SMB Multichannel 在 Windows Server 2012 系统中默认就是启用的，你可以分别在服务器和客户端中的 PowerShell 中运行 Get-SmbServerConfiguration 和 Get-SmbClientConfiguration 命令查看 Multichannel 是否已经启用。 Sep 21, 2020 · Without SMB multichannel, if there is only one SMB session established, SMB uses a single TCP/IP connection, which naturally gets affinitized with a single CPU core. Lag doesn't work with smb multichannel Lag gives you 1 port full speed per transfer (more useful in larger company's) SMB multichannel you leave the ports on default not bonded (be it DHCP or static) and as long as your client pc network cards support multichannel you get combined speeds of every network port Jul 16, 2014 · Learn how to design and manage SMB Multichannel in SMB 3. I try to figure out how SMB detects if NIC supports RSS and uses Multichannel to decrease CPU single-core utilization. This process allows SMB to use the high throughput, low latency, and low CPU utilization offered by these RDMA NICs. Best Regards, Mar 21, 2025 · SMB Multichannel allows macOS to establish more than one connection to an SMB server, increase transfer speeds, and provide redundancy. My guess is that the Event Manager will shed more light. PowerShellのコマンドレット「Get-SmbConnection」を使うと、現在操作しているデスクトップ上で接続しているSMB通信で接続している共有資源はSMBのバージョン幾つで接続がされているかを確認することができます。 ※前回から抜粋。 Jul 12, 2022 · 1. In that case, multichannel still provides a benefit because it splits up the data stream so that multiple CPU cores help handle the workload of moving the data around. Using SMB Multichannel. Jan 15, 2025 · This is where the SMB client requests a list of adapters from the SMB server. x and later versions. What I did was get. ob bei allen SMB Verbindungen zu dem Synology NAS mindestens der Dialect 3. 5Gbit Intel NIC (i226-V) is installed, and the transfer from the server is not as expected. Compare a file copy with and without SMB Multichannel. 1 reported by Get-SmbConnection. and set up smb-multichannel Nov 28, 2024 · Verified SMB Multichannel is enabled on the server and client (Get-SmbClientConfiguration confirms this). Did anyone experience the same problem in a similar setup, and how to resolve it? Is there a know way to enable both interfaces to send smb back in unraid? SMB Multichannel: Facilitates aggregation of network bandwidth and fault tolerance if multiple paths are available between the client and server; SMB Direct: Adds remote direct memory access (RDMA) networking support for high performance, with low latency and low CPU use With SMB Multichannel, SMB detects the RDMA capability and creates multiple RDMA connections for that single session (two per interface). To enable redundancy, you should enable more than one network connection that allows connectivity to the SMB server. Jan 31, 2015 · Windows 8/8. But: Test 1: Disable both SMBdirect and SMBmultichannel on both Jan 19, 2017 · It also applies if you have 10 gigabit adapters in both client and server -- these network adapters are so fast that the data typically outpaces what a single CPU core can keep up with. Jan 16, 2025 · Disabling SMB Multichannel also disables SMB Direct. The Get-SmbMultichannelConnection cmdlet retrieves the Server Message Block (SMB) connections made between the SMB client network interfaces and the SMB server network interfaces. conf file contains nested Jun 27, 2012 · Force SMB Multichannel to immediately recalculate its policy for a specific server and react to potential changes in network topology (use the name as listed by Get-SmbMultichannelConnection without any parameters) Jan 15, 2025 · SMB クライアント (MS_client) および SMB サーバー (MS_server) で、ネットワークインターフェイスのバインドが True に設定されていることを確認します。次のコマンドレットを実行すると、両方のネットワークインターフェイスの Enabled の下に True が出力されます。 Mar 22, 2019 · SMB Multichannel is a protocol improvement to Windows file sharing that is found on Windows Server 2012R2 and Windows 8. If these packets aren't exchanged, multichannel doesn't work. However recent improvements to Windows 10 have made it easier than ever to get SMBMultichannel working. 0 client and the SMB 3. master >smb. conf. The following article talks about how to troubleshoot SMB Multichannel issue, you could have a look: SMB Multichannel troubleshooting. Server has 2x HP 332i - 4x RSS queues per channel Desktop has 2x Intel I350T2 - 4x RSS queues per channel SmbServerConfiguration - EnableMultichannel is True on the server I read somewhere saying SMB Multichannel client needs to see two network interfaces with the same RSS and RDMA status in order to use them as the multichannel group. 1 Enabling SMB Multichannel. Save and restart the SMB service, then reconnect all clients to their SMB Shares. Diese Funktion bietet zwei Vorteile: Erhöhter Durchsatz : Mehrere Netzwerkverbindungen erhöhen die SMB-Übertragungsgeschwindigkeit deutlich. Beginning with ONTAP 9. To do this, the SMB client communicates with one or more servers to which it is connected to get the latest information about the network interfaces that is shared. SMB multichannel stopped working. conf的manpage(man smb. I have a case where a 2. 5Gbps connection, or a 31Gbps to 31Gbps connection, which could not be right. This constraint applies to the Default instance of SMB used for normal sharing. Dec 25, 2015 · smbマルチチャネル smb 3. 4, although it's still declared experimental as of 4. I've turned on SMB3 multichannel in file services. Dec 9, 2024 · I had a very time consuming experience to find the right SMB and network configuration to enable full SMB multichannel throughput for a multi network interface on the same subnet. The first includes tips to enable tracing through the Windows Event Manager. 当たり前ですが、最もシンプルなのは Multichannel を元から切ることです。前者はネゴシエーション送信の On/Off、後者はネゴシエーション受信の On/Off であり、いずれかを off にすれば Multichannel 通信は行いません。 Jan 29, 2025 · SMB マルチチャネル設定を表示するにはどうすればよいですか。 Get-SMBServerConfiguration コマンドレット使用して、EnableMultiChannel プロパティの値を探します。クラスター共通プロパティ PlumbAllCrossSubnetRoutes は、マルチ NIC ネットワークで使用されていますか # A well-established practice is to name the original file # "smb. My testing: So I attempted to Jul 18, 2014 · Learn about controlling SMB Multichannel and SMB 3. For SMB multichannel to be active on a clustered role, be it scale-out file server or the old-fashioned file server role, client connections has to be enabled on all participating networks. The second uses a packet sniffer to trace the handshake between the client and server. SMB Encryption. SMB Multichannel detects network adapter capabilities and determines whether a network adapter is RDMA-capable. Select the desired state and select Save. 0, I wanted to try SMB multichannel, but it is apparently not working - at least for me: I have enabled SMB Multi channel I have configured 2 interfaces on the NAS, my client is successfully establishing a connection to those 2 interfaces and yet I only max out one of the connections on the nas. This is a write-up of how I was able to get the multi-channel component of SMB 3 working with OMV using SAMBA and dual-gigabit NICs. SMB Multichannel. The Get-SmbMultichannelConstraint command is used to retrieve the SMB multichannel constraints that are configured on a server. , What is a requirement for using SMB Direct? Answer This KB article will show you how to configure SMB Multichannel on TS71210RH with a Windows 10 PC. For more information about Managing SMB Multichannel, please visit this Microsoft KB article. 0, a data protocol available in Windows Server 2012 R2. Prior to the August 2016 Windows 10 update, SMB Multichannel was sensitive to things like the machine name Apr 21, 2020 · smb 3. The Get-SmbMultichannelConnection cmdlet retrieves the Server Message Block (SMB) connections made between the SMB client network interfaces and the SMB server network interfaces. On server operating systems, SMB Multichannel starts when the initial read or write operation occurs. Configuration: - Switch: TP-Link TL-SG2210P (manual Jan 15, 2025 · The SMB Multichannel feature is used to discover the RSS and RDMA capabilities of network adapters. It facilitates aggregation of network bandwidth and network fault tolerance when multiple paths are available between the SMB 3. It also offers fault tolerance if multiple RDMA interfaces are used. Dec 28, 2020 · To configure SMB Multi Channel feature that is implemented in SMB 3. Explanation With SMB Multichannel, a file server can simultaneously transmit more data using multiple connections for high speed network adapters or multiple network adapters. Seems odd. In this scenario, it is not possible to aggregate the bandwidth of the multiple network adapters; for example, you cannot achieve 2 gigabits per second (Gbps) when Mar 31, 2025 · SMB Multichannel enables an SMB client to establish multiple network connections to an SMB file share. 2. Dort sollten Sie zwei Verbindung sehen können: SMB Multichannel increases throughput. Open Services and click on SMB. Plugging in your NAS and client devices. Dieser ist zwingend notwendig für den SMB Multichannel Betrieb! Zusätzlich geben Sie im Anschluss noch folgendes ein: Get-SmbMultichannelConnection. . To get the status of SMB Multichannel, use the Get-AzStorageFileServiceProperty cmdlet. Mar 21, 2024 · Users can now allow SMB 3. The server responds by returning a list of valid network interfaces. 0 server. This clearly shows being able to use 1x client NIC to still get SMB multichannel goodness, however their knowledge base article here appears to disagree. Jun 28, 2012 · 4. The resulting dialog provides a toggle to enable or disable SMB Multichannel. On server operating systems, SMB Mar 13, 2024 · SMB3 Multichannel ist eine Funktion des SMB-Protokolls, mit der Server mehrere Netzwerkverbindungen gleichzeitig verwenden können. master" and create the "real" config file with # testparm -s smb. SMBMultichannel is a protocol improvement to windows file sharing best found on Windows Server 2012R2 and Windows 8. Remember to replace <resource-group> and <storage-account> with the appropriate values for your environment before running these PowerShell commands. PS get-netadaterrss shows I218-V is RSS enabled, and I211 is also RSS enabled. SMB Multichannel allows file servers to use multiple network connections simultaneously and provides increased throughput. SMB Multichannel 在 Windows Server 2012 系统中默认就是启用的，你可以分别在服务器和客户端中的 PowerShell 中运行 Get-SmbServerConfiguration 和 Get-SmbClientConfiguration 命令查看 Multichannel 是否已经启用。 Dec 26, 2020 · To confirm my suspicions, I ran both update-SmbMultichannelConnection and Get-SmbMultichannelConnection within windows PowerShell, revealing that a SMB multichannel connection had indeed not been established. It's available in Windows since 8 / Server 2012R2 and in Samba since 4. 5 gbps USB network adapter for the NAS. Cable Sep 14, 2018 · This is where SMB Multichannel comes into play. SMB Scale-Out. Apr 3, 2013 · IBM Tivoli SANergy（测试大块文件连续读写）；测试步骤及结果. For more info about SMB Multichannel, see Deploy SMB Multichannel. 0 file shares can be used as shared storage for Hyper-V in Windows Server 2012 R2 and Windows Server 2012. I can get SMB Multichannel to work. Make sure SMB traffic is not blocked by firewall. Simplified SMB Multichannel and Multi-NIC Cluster Networks provide the following benefits: Failover Clustering automatically Aug 20, 2019 · SMBマルチチャンネルの仕組みと条件. SMB multichannel worked again. It does not apply to SMB-using application instances like Storage Replica, Storage Spaces Direct SBL, or CSV. SMB Scale-out allows SMB 3. Then, the SMB client adds those to the list of available adapters for multichannel. Client devices can't use SMB Direct if SMB Multichannel is disabled. Nov 28, 2023 · In short, with SMB multichannel enabled, the SMB transfer speed of a 41Gbps to 22. But I can't get both to work at the same time for the same transfer. See full list on learn. Details below. Ethernet ports on your NAS . Doing so improves throughput and fault tolerance for Hyper-V and SQL server over SMB configurations. While the copy is ongoing, open a PowerShell window and run the following cmdlets to verify the connection is using the right version of SMB and that SMB Multichannel is working: Jan 20, 2017 · You might have heard of SMB multi channel - a solution to allow bonding/trunking/teaming on SMB protocol level without any hard or software requirements. If the network profile is set to Public. Feb 10, 2022 · To configure SMB Multi Channel feature that is implemented in SMB 3. Aug 31, 2016 · SMB Multichannel enables file servers to use multiple network connections simultaneously. Dec 5, 2019 · 全局节影响的是整个smb的设置，它包括一些smb的通用设置，例如绑定网卡，安全设置，日志等等，具体要参考smb. 0 thread but since I'm still running into trouble using only a single switch I'm creating a separate thread - maybe others are having these issues, too. conf # This minimizes the size of the really used smb. Apr 3, 2020 · Yes, I could get much better numbers if AJA test local disk (block device) without SMB, but if with SMB (net disk id is z:, by command ‘net use z: \<2nd_win10_ip><share>’) it is limited by 1000 MB/s, although SMB Multichannel is enabled and I could see four TCP/IP channels on each NIC pair, The basics of SMB Multichannel. The Get-SmbMultichannelConstraint cmdlet retrieves the constraints that define how the Server Message Block (SMB) client uses network interfaces to connect to the servers. I applied this patch. This function offers two advantages: Increased throughput: Multiple network connections will significantly boost the SMB transfer speed. Typing in 'smbutil multichannel -a' in terminal shows both are active. Some desktop-class NICs might say they don’t support RSS. With this capability, Hyper-V can store virtual machine files, which includes configuration, virtual hard disk (VHD) files, and snapshots, on SMB file shares. Click Advanced Settings, then enable Multichannel. On the SMB client, start a long-running file copy to create a lasting session with the SMB Server. Everything I can find on the web suggests that both should work together. To use SMB Multichannel, you need two or more computers running Server 2012 or newer or Windows 8 or newer. For some reason I can get SMB Direct to work. Google around and you can find instructions and a driver to download and then you don’t have to mess with SMb multichannel at all. Beginning in Windows Server 2022 and Windows 11, SMB Direct now supports encryption. And everything has to run SMB 3. Confirmed: SMB Dialect: 3. To see if your Azure VM NICs support RSS, run the command Get-SmbClientNetworkInterface as follows and check the field RSS Capable : Mar 12, 2018 · Get-SmbConnectionで一覧表示. On client operating systems, SMB Multichannel doesn't start until a certain amount of network traffic occurs. SMB Multichannel needs eight physical NICs to function. 4. 0. Nov 15, 2024 · Go to System > Services and click the edit edit icon for the SMB service. 0, it's possible to use multiple network interfaces for file service. However, recent improvements to Windows 10 have made it easier than ever to get SMB Multichannel working. You can check that with the Get-SmbServerNetworkInterface or the Get-SmbClientNetworkInterface PowerShell cmdlets. SMB Multichannel was designed to solve two problems, first make the path from the Hyper-V host (SMB Client) to the File Server or Scale-Out File Server (SMB Server) redundant and get more performance by using Jul 24, 2023 · Trying to use a 2. Enable multichannel in failover cluster manager. By using SMB multichannel, the overall network throughput will be enhanced which means that certain devices may actually be able to transfer data faster. Example network configuration . Azure Files supports SMB Multichannel on SSD file shares for Windows clients. The server must support SMB Multichannel to use any of these features. With SMB Multichannel, if the NIC is RSS-capable, SMB will create multiple TCP/IP connections for that single session, avoiding a potential bottleneck on a single CPU core when Apr 12, 2021 · If everything looks good there, check the firewall. 2. Oct 16, 2021 · Multichannel – aggregation of network bandwidth and fault tolerance if multiple paths are available between client and server; SMB Direct – adds RDMA networking support for very high SMB Multichannel is the feature responsible for detecting the RDMA capabilities of network adapters to enable SMB Direct. On the service side, SMB Multichannel is now enabled by default for all newly created storage accounts in all Azure regions. May 31, 2014 · SMB Multichannel を一切使わない. While the copy is ongoing, open a PowerShell window and run the following cmdlets to verify the connection is using the right version of SMB and that SMB Multichannel is working: You might have heard of SMB multi channel - a solution to allow bonding/trunking/teaming on SMB protocol level without any hard or software requirements. The Unofficial Microsoft 365 Changelog Sponsors Apr 3, 2013 · IBM Tivoli SANergy（测试大块文件连续读写）；测试步骤及结果. The Get-SmbMultichannelPolicy command is a powerful tool for administrators who want to view and manage SMB Multichannel policies on their cloud or VPS servers. 4, you can configure SMB Multichannel to provide multiple connections between ONTAP and clients in a single SMB session. Aug 22, 2001 · OK - long story short - I can't seem to get SMB Multichannel to get me any more than 111MB/sec transfer between my Microserver and my desktop. Sep 10, 2014 · If you are unable to get any data, run Get-SmbConnection to verify that you have active SMB connections. Appear in Get-SmbClientNetworkInterface. OSのバージョンはWindows 10 Home 64bit; USB LANアダプターを2つ用意して接続; 全てのNICでRSSを無効にする; 転送速度を測定 Jun 11, 2016 · Hi, I posted some questions in the general SMB 3. I uninstalled this patch. Increased Throughput - The file server can simultaneously transmit additional data by using multiple connections for high-speed network adapters or multiple network adapters. Configuration: - Switch: TP-Link TL-SG2210P (manual Aug 4, 2024 · Multichannel – aggregation of network bandwidth and fault tolerance if multiple paths are available between client and server; SMB Direct – adds RDMA networking support for very high SMB 3. 5GbE laptop, to get SMB Multichannel does not appear to work So I was doing some testing with SMB multichannel, and was attempting to recreate Synology’s setup here: From their blog post here. This means that SMB is blocked at the firewall by default. 1. psogg shuny ahjvbp aoed fslz ourvdb dpraw murzo mrdmrz ybhcfpr kqidu llaxu wxvn omypotf zjl