Re: Trunking (was: Gigabit Linux Server Bottlenecks)

[Thomas Davis]

Rui Prior wrote:
> 
> > In v2.2.15pre5, (and newer), there's a device called 'Ethernet
> > Bonding'.  It does the above, and allows one to bond together mulitple
> > (up to 4) devices into one virtual device.
> >
> > The only problem with this, is most switches still limit your
> > performance through this bonded device.  It can however, give you a
> > 'fatter' pipe, not a 'faster' pipe.
> 
> Where is this option? I couldn't find it on 2.3.xx kernels...
> 

It's not in 2.3

> There is another means of having something similar to trunking with no need from any
> support from the ethernet switch (it needs an ethernet switch, though).
> On newer kernels (at least 2.3.xx series) there is support for QoS. One of the
> queuing disciplines is sch_teql (true equalizer). If you have more than one ethernet
> interface, you may use this queuing discipline to do load-balancing between the
> cards.
>

I'm not sure that is the same as bonding (we had this discussion before
on linux-kernel).

I haven't played with 2.3 and networking, since my test bed needs
functions that aren't in 2.3, yet.

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