CFT: new trunk(4)

Ian FREISLICH ianf at
Fri Apr 13 05:12:19 UTC 2007

Lars Erik Gullerud wrote:
> On Thu, 12 Apr 2007, Ian FREISLICH wrote:
> > Peter Jeremy wrote:
> >>
> >> Trunking is a way of combining multiple physical interfaces to increase
> >> the bandwidth.  Trunking multiple VLANs on a single interface doesn't
> >> make sense to me.
> >
> > 802.1q is VLAN tagging and trunking.  This interface is LACP - link
> > aggregation.  I really think that it makes no sense to be able to
> > aggregate some ethernet interfaces and not others.  I suppose some
> > pedant will tell me vlan interfaces are not ethernet.
> I'm not going to tell you that, I am however going to give you the 802.3ad 
> (Link Aggregation) explanation.

Thanks for that.  At least this explains why it can't be done.


Ian Freislich

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