Re: [Xen-users] Slow upstream speeds from guest OS

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Feb 15, 2016 at 06:08:19PM -0700, Steffan Cline wrote:
> Running into an odd thing and not sure where to look.
> 
> When I log into my CentOS 6 host OS and use the speediest-cli tool 
> (https://github.com/sivel/speedtest-cli) I can get 20mbps up.
> 
> When I log into my CentOS 6 guest OS and use the same tool, I can only get 
> about 2.5-5mbps up.
> 
> Any suggestions as to where to look for the cause of this horrid upstream?
> 
> Download speeds are only off by about 2mbps.
> 
> In the .cfg files, there are no limits imposed anywhere.
>

Please make sure your guest has PV network driver installed and
activated.

You can probably check that by "lsmod | grep netfront", provided the
driver is compiled as module (which most distros do).

Wei.

> 
> Thank you,
> Steffan Cline
> 602-793-0014
> 
> 

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