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Network speed issue for VM #72

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opened 2025-12-28 23:23:05 +01:00 by adam · 8 comments
adam commented 2025-12-28 23:23:05 +01:00
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Originally created by @xyuan240 on GitHub (Oct 4, 2020).

Thanks for creatting this project, and I managed to install & run the Mac OS VM in a Ubuntu host.

However, I noticed that the VM network speed is much worse than the host's. (Note, I noticed it by remote connecting to my office machine from the host and guest systems, and I noticed there is quite a difference between them).

I did a bit search and I noticed some people experienced similar issues, and a possible solution is to apply Virtio (http://www.linux-kvm.org/page/Virtio). So my question is that are you aware this issue? And how do I possibly apply Virtio with your image?

Thanks for you attention and any help will be much appreciated!

Originally created by @xyuan240 on GitHub (Oct 4, 2020). Thanks for creatting this project, and I managed to install & run the Mac OS VM in a Ubuntu host. However, I noticed that the VM network speed is much worse than the host's. (Note, I noticed it by remote connecting to my office machine from the host and guest systems, and I noticed there is quite a difference between them). I did a bit search and I noticed some people experienced similar issues, and a possible solution is to apply Virtio (http://www.linux-kvm.org/page/Virtio). So my question is that are you aware this issue? And how do I possibly apply Virtio with your image? Thanks for you attention and any help will be much appreciated!
adam closed this issue 2025-12-28 23:23:05 +01:00
adam commented 2025-12-28 23:23:06 +01:00
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@iambenmitchell commented on GitHub (Oct 4, 2020):

Weird, I’m getting about 8Gbps on speedtest.net and fast.com (my server has a 10Gbps symmetrical fibre connection)

@iambenmitchell commented on GitHub (Oct 4, 2020): Weird, I’m getting about 8Gbps on speedtest.net and fast.com (my server has a 10Gbps symmetrical fibre connection)
adam commented 2025-12-28 23:23:06 +01:00
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@sickcodes commented on GitHub (Oct 6, 2020):

@MrBenFTW feel free to enlighten us how to boost net speeds :)

@sickcodes commented on GitHub (Oct 6, 2020): @MrBenFTW feel free to enlighten us how to boost net speeds :)
adam commented 2025-12-28 23:23:06 +01:00
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@iambenmitchell commented on GitHub (Oct 11, 2020):

lol, no idea but here is the result just ran it https://www.speedtest.net/result/c/f6f862d5-b8ae-4c81-b644-c1f2d7ed20a6

@iambenmitchell commented on GitHub (Oct 11, 2020): lol, no idea but here is the result just ran it https://www.speedtest.net/result/c/f6f862d5-b8ae-4c81-b644-c1f2d7ed20a6
adam commented 2025-12-28 23:23:07 +01:00
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@sickcodes commented on GitHub (Oct 11, 2020):

Bridged networking or user mode?

Any changes to the qemu arguments?

And VNC only yeah?

@MrBenFTW

Thanks for showing us that pic btw, that is F A S T lmao

@sickcodes commented on GitHub (Oct 11, 2020): Bridged networking or user mode? Any changes to the qemu arguments? And VNC only yeah? @MrBenFTW Thanks for showing us that pic btw, that is F A S T lmao
adam commented 2025-12-28 23:23:07 +01:00
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@iambenmitchell commented on GitHub (Oct 11, 2020):

I think it is bridged but I am not 100% sure. Like I said, I use subnets with physical/public IPs and fancy routing

@iambenmitchell commented on GitHub (Oct 11, 2020): I think it is bridged but I am not 100% sure. Like I said, I use subnets with physical/public IPs and fancy routing
adam commented 2025-12-28 23:23:08 +01:00
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@weskerfoot commented on GitHub (Nov 25, 2020):

I have been looking into this and it seems like MacOS doesn't support virtio for NIC unless you manage to get https://github.com/pmj/virtio-net-osx/ working (but it's out of date).

Apparently creating a bridge is better somehow, but I'm not 100% clear why

@weskerfoot commented on GitHub (Nov 25, 2020): I have been looking into this and it seems like MacOS doesn't support virtio for NIC unless you manage to get https://github.com/pmj/virtio-net-osx/ working (but it's out of date). Apparently creating a bridge is better somehow, but I'm not 100% clear why
adam commented 2025-12-28 23:23:08 +01:00
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@sickcodes commented on GitHub (Nov 28, 2020):

@weskerfoot here are the two types of networking
https://github.com/sickcodes/Docker-OSX/issues/72

I might add an environment flag to the Docker to allow people to choose between networking types today.

@sickcodes commented on GitHub (Nov 28, 2020): @weskerfoot here are the two types of networking https://github.com/sickcodes/Docker-OSX/issues/72 I might add an environment flag to the Docker to allow people to choose between networking types today.
adam commented 2025-12-28 23:23:08 +01:00
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@sickcodes commented on GitHub (Feb 26, 2021):

Fixed with https://github.com/sickcodes/Docker-OSX/pull/147

@sickcodes commented on GitHub (Feb 26, 2021): Fixed with https://github.com/sickcodes/Docker-OSX/pull/147
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Reference: starred/Docker-OSX#72
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