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VMQ enabled in-driver for Broadcom Gigabit controllers in Hyper-V would kill network performance for the guests. Disable it then a driver update would set it back on again.

travisdh1

@PhlipElder said in Random Thread - Anything Goes:

@DustinB3403 said in Random Thread - Anything Goes:

https://xcp-ng.org/forum/assets/uploads/files/1559624678253-broadcom-packets.png

Oh man, this is so freaking true it's not funny.

VMQ enabled in-driver for Broadcom Gigabit controllers in Hyper-V would kill network performance for the guests. Disable it then a driver update would set it back on again.

Ah, straight up fail then. I knew I prefer Intel NICs for a reason.

PhlipElder

@travisdh1 said in Random Thread - Anything Goes:

@PhlipElder said in Random Thread - Anything Goes:

@DustinB3403 said in Random Thread - Anything Goes:

https://xcp-ng.org/forum/assets/uploads/files/1559624678253-broadcom-packets.png

Oh man, this is so freaking true it's not funny.

VMQ enabled in-driver for Broadcom Gigabit controllers in Hyper-V would kill network performance for the guests. Disable it then a driver update would set it back on again.

Ah, straight up fail then. I knew I prefer Intel NICs for a reason.

What blows my mind is the fact that the specifications for VMQ make it clear that 10GbE ports and silicon for tying in to the CPU cores are required.

Despite years of requests to remove that setting enabler/re-enabler Broadcom just ignored it.

JaredBusch

@PhlipElder said in Random Thread - Anything Goes:

@travisdh1 said in Random Thread - Anything Goes:

@PhlipElder said in Random Thread - Anything Goes:

@DustinB3403 said in Random Thread - Anything Goes:

https://xcp-ng.org/forum/assets/uploads/files/1559624678253-broadcom-packets.png

Oh man, this is so freaking true it's not funny.

VMQ enabled in-driver for Broadcom Gigabit controllers in Hyper-V would kill network performance for the guests. Disable it then a driver update would set it back on again.

Ah, straight up fail then. I knew I prefer Intel NICs for a reason.

What blows my mind is the fact that the specifications for VMQ make it clear that 10GbE ports and silicon for tying in to the CPU cores are required.

Despite years of requests to remove that setting enabler/re-enabler Broadcom just ignored it.

Relevant from 2016: I hate VMQ