dummynet: bandwidth is limited to 2 Gbit/s ?

Eugene Grosbein eugen at grosbein.net
Wed Sep 25 13:51:22 UTC 2019


On 25.09.2019 17:27, John Hay wrote:
> 
> 
> On Wed, 25 Sep 2019 at 11:16, Eugene Grosbein <eugen at grosbein.net <mailto:eugen at grosbein.net>> wrote:
> 
>     On 25.09.2019 05:19, Rodney W. Grimes wrote:
> 
>     >> AFAIK, we never had any public ABI or stable KBI interface announced to userland or in-kernel consumers
>     >> and had no consumers of dummynet other than ipfw(8) binary. Just increase type.
>     >
>     > Any attempt to mfc this would break KABI/userland and that is never
>     > a good thing to do.  It may not be a public ABI, but it is an ABI,
>     > and stability of that and backwards compatibility are always a good
>     > thing to strive for.
> 
>     Agreed. So, no MFC for this.
> 
> 
> Will this break upgrades with freebsd-update? On a major upgrade, it will first install the new kernel and require a reboot before you run freebsd-update again to install the rest.

So it will run without dummynet pipes (traffic shaping) configured meantime. Is it big deal?



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