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Questions tagged [passthrough]

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Simple haproxy TCP passthrough results in very slow network transfer speed

I've setup a simple haproxy instance on a clean install of Debian 10 Buster. I've added some simple necessary config to enable the passthrough to the IP address in question (which has been redacted in ...
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Using a RAID Controller as Pass-thru vs RAID0

I have a server with DellPerc H750 Storage controller. I want to use the controller as Pass-thru/Non-RAID but I have the below questions: A) Is it possible in the future to replace the controller ...
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How to pass-through multiple USB devices with the same Vendor- and Device-ID in QEMu/Libvirt?

I have three identical USB devices on my VM host that I would like to pass-through to a VM: I can pass-through only one device as they all have the same vendor- and device-ID, the element in the VM ...
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nginx Reverse-Proxy: using stream module for passthrough and reverse proxy

I use the stream module in order to passthrough tls traffic where I cannot reverse proxy, e.g. because I dont have the certificate (local 3CX install) or it breaks stuff (ssl vpn with client cert). I ...
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LSI 9265-8i - can J2B's be set to RAID mode and IT mode for passthru?

I have an LSI 9265-81. Can one J2B connector be set to RAID mode and the other set to IT mode for passthru? Can any of the LSI 8i's be set that way?
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Passthrough VPN Tunnel w/ iptables

My email VPS is getting to its limit but it's dedicated IP is well nurtured and I just cant part with it. I'm trying to setup a test environment where I establish a VPN server on the VPS just to ...
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Bind/Unbind PCI device on the Ubuntu host

I have to NIC devices on the host: # list Ethernet PCI devices to find out names lspci -nn | grep Ethernet # 04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI ...
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RDP + USB passthrough device issue : not passed from client to Server

I have USB printer on thin client, which I need to include in RDP stream to become available for target VM machine. From one Linux client machine it all worked OK(computer died, so I had to replace it)...
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Passing a raid controller to a KVM vm using PCI passthrough, CPU soft lockup

I have a Debian 10 host server, and an Ubuntu 20.04 guest with KVM. The Ubuntu server is created with virt-install and works as intended after install. I'm trying to use PCI passthrough to pass a raid ...
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Command to find if VT-d or IOMMU is supported or not in linux

I wanted to find out if my Linux server supports PCI passthrough. For that, I need to know if my CPU has VT-d or IOMMU enabled or not, but I couldn't find the way. The following is the lscpu command ...
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4 votes
1 answer
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How to configure NGINX as proxy for local SMTP server?

I am doing some testing with the NodeJS smtp-server module. It exposes a listening SMTP server on any specified port. SMTP usually runs on port 25, but in order to run the Node app as a non-root user,...
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1 vote
1 answer
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Migrate from IBM Directory Server 8 to MS Active Directory (Windows Server 2019)

We are in a project to migrate users and passwords from IBM Directory Server v8 to Microsoft Active Directory. Use of IBM Directory Integrator (LDAPSync) is referenced in official IBM documentation. I ...
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Nginx: How to combine ssl_preread_protocol with ssl_preread_server_name (ssh-multiplexing and ssl-sni-passthrough)?

I have the nginx.conf file shown below. I want to run both ssh and a webserver on port 443/SSL. Also known as SSL-port-multiplexing. At the same time, I want to use ssl-passthrough with SNI. For ssh-...
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1 answer
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What is the purpose of a xHCI controller while esxi6 doesn't support USB3?

When I add a virtual xHCI controller to my Linux VM on an esxi6 host, plug some USB3 device to a blue USB 3.0 SuperSpeed port on the server and connect this device to the VM, I get only USB2 speed. ...
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How to configure the AT&T (Arris) BGW-210 router for IP Passthrough using static IP(s) and pointing to UniFi Dream Machine Pro?

We are setting up AT&T fiber internet with 5 usable static IPs and the Ubiquity UniFi Dream Machine Pro (UDM-Pro). I would like to configure the BGW-210 to act as a bridge to the UDM-Pro. I found ...
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Enable VT-X and VT-D in the bios for a PowerEdge r910. Ubuntu Server Bionic

I am trying to enable VT-X and VT-D on a PowerEdge r910. I have set "Virtualization Enabled"in the bios settings and also "SR_IOV Global Enable". I still get the following on the ...
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Is there a way to make an app not know that its run in a RDP session?

So I'm currently having the issue that Citrix Workspace App doesn't passthrough the USB-Smartcard Reader when connected via RDP to the computer, whereas when I connect via VNC this works. I'm ...
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2 votes
1 answer
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Use passthrough GPU in KVM/QEMMU and display in host OS in a window

I'm new to KVM/QEMMU. I have used virtual box to run Windows 10 in a virtual machine on my Arch host system (a laptop with both integrated and discrete GPUs). Being dissatisfied with the video ...
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MSSQL Passthrough Database options?

Is there an option out there to create a MSSQL Database that is a passthrough of a sort? To give the scenario we are in, we have one central large database that is a copy of production that is used ...
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2 votes
2 answers
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HAProxy as TCP load balancer (SSL passthrough) not working?

i am having some trouble setting up HAProxy as a TCP load balancer (layer 4) and i would like to have your advice about it. i've been following many guides on the web and i came up with this ...
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Is PCIe passthrough on Citrix Xen Hypervisor persistent?

I am virtualising my firewall, NAS and other services to reduce hardware diversity. Specifically I want to run at least PfSense and OpenMediaVault over Citrix Hypervisor (v8 at the time of writing). ...
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1 vote
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DDA device out of resource(Error 12) in Hyper-V VM

We're 'borrowing' a server from an IDC that had two Tesla V100 on it. It runs Windows Server 2016. Since it has some impressive graphics capabilities, we were looking for ways to run graphic ...
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hypervisor.cpuid.v0 or hidden state='on' equivlent in hyper-v

I'd like to hide to a vm, that it's being virtualized on hyper-v. I've done: ExposeVirtualizationExtensions : True But it doesn't seem to have the same effect. The goal is to pass a nvidia geforce ...
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3 votes
1 answer
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Error dismounting pcie device windows - The current configuration does not allow for OS control of the PCI Express bus

I have all of the virtualization options I know of in my bios enabled. I'm able to do VFIO in linux to a windows guest, but I'd like to do windows with passthrough to a linux guest using hyper-v. I ...
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2 answers
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ESXi USB PCIe Passthrough Failing to Connect Connected Devices

I have a fresh install of ESXi 6.7U2 up and running on which I can successfully start VMs. To this setup I've added a StarTech.com 4 Port USB 3.0 Card Adapter (PEXUSB3S44V). This has been configured ...
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1 answer
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ESXI Single drive SATA performance (onboard HP Proliant SATA SSD Port)

Good day, Sorry for my English, it is not my native language, and recenly I have less than it should be practice in analytical writing. I have an ESXi 6.0.0 Update 2 installed on a bare metal HP ...
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1 vote
1 answer
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What do the IDs of PCI devices refer to and which ones are relevent for setting up passthrough?

In setting up a domain with virsh, I had always assumed that the "slot" of a PCI card referred to which slot on the motherboard it was in. However, that seems not two be the case, cards in two ...
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1 vote
1 answer
819 views

ESXi Tesla passthrough enabled but not assignable

I am facing an issue with an ESXi ( 6.7.0 Update 1 ) and the passthrough of a GPU card (NVIDIA Tesla P4). The GPU card is listed in the "Passthrough capable" PCI Devices section as "Enabled / Needs ...
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Openldap RootDN and other 'admin' user work differently when changing userPassword

Using OpenLDAP (2.4.44) on CENTOS 7 and have configured {SASL} pass-thru to another remote LDAP for some users using the userPassword field. This can change (overwrite) to using the local password {...
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3 votes
0 answers
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Which USB controller is device plugged into on ESXi host

I need to pass through a USB controller (not just the USB device) to a guest on an ESXi 6.7 host. Is there a way (without trial and error) to determine which controller a device is plugged into? So ...
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TCP passthrough for HTTP connection with haproxy

I have done passthrough for HTTPS/SSL connections using SNI, but Id don't know if I can do the same for HTTP using host header? is there any way I can use passthrough (tcp mode) in stead of reverse-...
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2 answers
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Xenserver 6.5 Passtrough from HASP [USB] to Windows Server 8 SP2

Due to an accidental update on VM with Windows Server 2008 SP2, the HASP USB key is no longer recognised. The key works on my laptop, so it looks fine. I have a pool of VMs built on XenServer 6.5. The ...
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1 answer
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NGINX SSL Pass-thru and Docker

I have a server with 2 websites. Let's call them foo.com and bar.com. foo.com has a subdomain, called mail.foo.com. Both foo.com and bar.com are WordPress sites, and their NGINX configuration is the ...
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2 votes
1 answer
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ESXi 6.7 any settings I make are disabled after reboot, also passthrough not working

Noticing none of the settings in an ESXi 6.7 installation are surviving reboot. I created the USB with a stock installation ISO like always, downloaded from the VMWare website. Just used the USB key ...
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1 vote
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KVM NIC Passthrough troubles - Unknown Header Type 7F && Internal Error: Unknown PCI Header Type 127

I am having some serious troubles passing through my NIC to my Windows guest running on KVM. The current driver in use is vfio-pci and I have done the passthrough via Virt-Manager so the XML format ...
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5 votes
2 answers
17k views

KVM Pass through disk Partition - By Label or UUID

Normally, when I passthrough a disk to a VM I use the entire disk. I am looking at attempting to passthrough a partition in KVM. First question is that possible/ok? Looking at this doc it seems to be ...
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4 votes
0 answers
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NVIDIA QUADRO M4000 vGPU - ESXI 6.0.3 - GPU Passthrough

I'm trying to do a GPU passthrough to a vm (2008 64bit r2) ESXI 6.0.3. After the GPU passthrough and installing the NVidia drivers. I have disabled the VMWARE SVGA. Now in the device manager it shows ...
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QEMU USB Passthrough Error: libusb_set_configuration: -99 [OTHER]

I'm trying to pass through a Spectrum Digital TMS320C6713 DSK to a Windows 2000 virtual machine, and when I connect it it appears in device manager, but whenever I try to actually use the device, it ...
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2 votes
1 answer
740 views

Can I set a flag in Hyper-V so that driver software inside VMs does not know it is running within a VM?

I know that VMWare ESXI/vSphere allows setting a flag to hide virtualization detection. I need to install NVidia drivers in a VM that do not run when virtualization is detected. This does not violate ...
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2 votes
0 answers
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ESXI PCIe GPU Passthrough does not allow for CUDA

I am trying to do cuda development in an ESXI environment, so I installed a Quadro 5800 in my ESXI machine (Dell T7500). I did passthrough to the Windows 7 VM that I will be doing development in, but ...
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8 votes
2 answers
29k views

ESXi 6.5 server (no vSphere) sched.mem.min error related to PCI passthrough

I have an ESXi 6.5 server without vSphere I've been running for a couple years. I have a VM with PCI passthrough of a cougar point SATA controller from the SM X9SCL-F-O motherboard. I wanted to ...
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1 vote
1 answer
6k views

Splitting an IOMMU group for PCIe Passthrough

I am trying to passthrough my graphics card to a virtual machine using kvm and libvirt. I get an error message when I try to passthrough the card without binding an ethernet card which seems to be in ...
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3 votes
1 answer
5k views

USB passthrough (non storage) to XenServer 7 VM

I have migrated a server from physical to virtual using XenServer 7. Nevertheless, we need now a USB dongle for security purposes but have not been able to find the way to properly pass it to the ...
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squid with iptables bypass https

I just want make internet anonymous transparent proxy that bypass traffic just want hide client ip but its not work for https .. I dont want to use sslbump or etc just want to bypass traffic I ...
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1 vote
1 answer
264 views

using hyper-v parent partition for a workstation

I am setting up a Windows Server 2012 with hyper-v that will be used for running 3-5 virtual machines. The server has two pci GPUs and since hyper-v does not enable GPU passthrough I was thinking of ...
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Script error implementing VFIO GPU Pass-through in Ubuntu 15.10 with KVM

I am having the following error when I run the executable script "sudo /usr/vm1" : cat: /sys/bus/pci/devices//vendor: No such file or directory cat: /sys/bus/pci/devices//device: No such file or ...
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5 votes
5 answers
16k views

Cannot remove passthrough setup on ESXi

I have an ESXi host, but it does not have local hard disk. It use disks which are shared via fibre channel. Afterthat, I setup passthrough for the fibre channel. After rebooting ESXi host, we cannot ...
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Network Passthrough Public->Private

I have done some preliminary research, but can't quite hone in on the same example I'm looking at. I have two ISP modems - one public and one private. I also have two network subnets (192.168.23.1 ...
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HighPoint RocketRAID 2740 passthrough

I'm currently extending my server and about to buy a HBA. I stumbled across the HighPoint RocketRAID 2740 which is quite cheap at the moment. I am going to extend an existing MDRaid + LVM ...
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403.14 when accessing site remotely, works on the server

A test TFS instance has just started to play up. Whilst on the server I can access http://localhost/tfs if I attempt it from a remote machine using http://tfs.it.domain.local I get a 403 error. ...
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