Re: How make virtual interfaces ( subinterfaces ) on linux machine

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Thank you very much Taylor.

I will try this, but I need to read more about this
topic, so that is reason why I asked for materail to
read, you wrote solution, and that is great, but if I
want relly understand this I need to read much more?

Anyway thank you very much for this.


Best wishes 

Elvir Kuric 
--- "Taylor, Grant" <gtaylor@xxxxxxxxxxxxxxxxx> wrote:

> Elvir Kuric wrote:
> > I want to know is there some manual or even better
> > book how to make virtual interfaces  (
> subinterfaces )
> > on linux machine and attach VLANs which are
> > implemented on switch to these virtaul interfaces.
> 
> I'm not quite sure exactly what you mean by virtual
> interfaces.
> 
> Presently, you can easily create virtual / logical
> interfaces for any given 
> VLAN for a physical interface.  Do some reading on
> vconfig if you want / 
> need more information.  Or, reply and I'll be happy
> to help.
> 
> You could do something as crazy as this, which I
> have successfully done before.
> 
> ifconfig eth0 0.0.0.0 up
> ifconfig eth1 0.0.0.0 up
> 
> ifenslave bond0 eth0 eth1
> 
> vconfig add bond0 1
> vconfig add bond0 2
> 
> ifconfig bond0.1 1.0.0.1 netmask 255.0.0.0 up
> ifconfig bond0.1:1 1.255.255.254 netmask 255.0.0.0
> up
> 
> ifconfig bond0.2 2.0.0.1 netmask 255.0.0.0 up
> ifconfig bond0.2 2.0.0.1 netmask 255.0.0.0 up
> 
> brctl addbr bri0
> brctl addif bri0 bond0.1
> brctl addif bri0 bond0.2
> 
> ifconfig bri0 3.0.0.1 netmask 255.0.0.0 up
> ifconfig bri0:1 3.255.255.254 netmask 255.0.0.0 up
> 
> 
> Then use IPTables / EBTables / ARPTables to your
> heart's content. If you 
> enable layer 3 matching on layer 2 for ebtables, you
> can use IPTables to 
> filter bridged traffic.
> 
> In the above scenario, you end up with the following
> interfaces:
> 
> eth0
> eth1
> bond0
> bond0.1
> bond0.1:1
> bond0.2
> bond0.2:1
> bri0
> bri0:1
> 
> I hope that helps.  If you have any other questions,
> fire away.  Sorry, I'm 
> not sure of any concise manual, per say, but there
> are a few man pages for 
> each command that you can use in conjunction with
> other commands.  :)
> 
> 
> 
> Grant. . . .
> 
> P.S.  Router-On-A-(Bonded and / or VLAN)-Stick is
> fun and can be very 
> useful.  :}  When you start combining a layer 2
> managed switch with a Linux 
> box things get VERY interesting.  Can you say load
> sharing across 8 cable 
> modems on a router with 2 NICs...
> 
> 



 
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