RE: vlan support

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> Miskell, Craig wrote:
> >>
> >> ls centos supporting vlan setup?
> > If by that you mean 802.1q trunking, then yes.
> > 
> >> ls it reliable?
> > Seems to be in my experience, but that's only limited so far.
> > 
> >> how can I do it?
> > Create multiple ifcfg files in 
> /etc/sysconfig/network-scripts, e.g. for
> > multiple VLANs on eth0:
> > ifcfg-eth0
> > ifcfg-eth0.2
> > ifcfg-eth0.100
> > 
> > The number after the decimal is the VLAN id (default (1), 2 and 100
> > respectively above).  In each file, add VLAN=yes.   And 
> don't forget to
> > turn on trunking on the switch to which you're attached.  
> The network
> > startup scripts will then do the right thing.
> 
> Are the details documented somewhere? 
Yep: /usr/share/doc/initscripts-<yourversion>/sysconfig.txt

> Is vlan 1 always native 
> (untagged) or can you specify that?  I remember having some 
> problem with 
>   Intel NICs on windows not liking native packets at all if any were 
> tagged but I don't know if that was a hardware or software issue.

I'm not sure about the vlan 1/untagged nature; it "just worked" here,
and might have something to do with the configuration of the switch
you're connecting to.  

Craig
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