[LARTC] Route Vlans

[LARTC] Route Vlans

[Laurent Foucher]

Hello,

Is it possible with a linux Bow to route différents VLANs, like a router

cisco can does ?

Thank for your answers

Laurent Foucher

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Re: [LARTC] Route Vlans

[Martin A. Brown]

Laurent,

You should be able to do it with some elbow grease and Ben Greear's linux 
vlan implementation.  

  http://www.candelatech.com/~greear/vlan.html

This allows you to attach a single ethernet device to an 802.1q port on 
your switch, and configure multiple interfaces for each VLAN.

If you want to route, just turn the box into a router--sure it has only 
one ethernet cable, but it has multiple interfaces, right?

I have no experience with it.

Good luck, 

-Martin

 : Hello,
 : 
 : Is it possible with a linux Bow to route différents VLANs, like a router
 : 
 : cisco can does ?
 : 
 : Thank for your answers
 : 
 : Laurent Foucher
 : 
 : _______________________________________________
 : LARTC mailing list / LARTC@mailman.ds9a.nl
 : http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
 : 

-- 
Martin A. Brown --- SecurePipe, Inc. --- mabrown@securepipe.com


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Re: [LARTC] Route Vlans

[LuisMi]

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I am trying to do that, my scheme is this:

Internet ->\		     	            /--> VLAN 1
	    >Linux Router/FW<-- Switch 3Com-|--> VLAN 2
ATM ------>/ 				    \--> VLAN 3

The switch is a 3Com Switch SuperStack II 3300
Some vlans will have access to internet and not to ATM network, and 
vice versa.
VLAN 1 and VLAN 2 should be avaible between them, in other words, some 
services into VLAN 1 must be avaible to VLAN 2.

My dude is...
Ok, Linux is running some sub-interfaces using 802.1q under eth0 only.
So I only have one physical interface connected to the switch, where is 
the switch port where I need to connect that interfaces? Uplink port?
Is that possible?

If it isn't possible I think I should use another computer, so I will have 
one linux for fw/routing and other with many physical interfaces as vlans 
I have into the switch, is that correct?

Let me know your opinions. :)

- -- 
Luis Miguel Cruz.  

CCNA                  |   [ADPSOFT] http://www.adpsoft.com
PGP KEY: 0x3AC52657   |      "Connecting your business"

On Fri, 8 Nov 2002, Martin A. Brown wrote:

> Laurent,
> 
> You should be able to do it with some elbow grease and Ben Greear's linux 
> vlan implementation.  
> 
>   http://www.candelatech.com/~greear/vlan.html
> 
> This allows you to attach a single ethernet device to an 802.1q port on 
> your switch, and configure multiple interfaces for each VLAN.
> 
> If you want to route, just turn the box into a router--sure it has only 
> one ethernet cable, but it has multiple interfaces, right?
> 
> I have no experience with it.
> 
> Good luck, 
> 
> -Martin
> 
>  : Hello,
>  : 
>  : Is it possible with a linux Bow to route différents VLANs, like a router
>  : 
>  : cisco can does ?
>  : 
>  : Thank for your answers
>  : 
>  : Laurent Foucher
>  : 
>  : _______________________________________________
>  : LARTC mailing list / LARTC@mailman.ds9a.nl
>  : http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
>  : 
> 
> 
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Comment: For info see http://www.gnupg.org

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dhEAoIMvkYOpbD8HDY+MxfWxpZwZYooS
=xpOL
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RE: [LARTC] Route Vlans

[Ken Price]

>My dude is...
>Ok, Linux is running some sub-interfaces using 802.1q under eth0 only.
>So I only have one physical interface connected to the switch, where is 
>the switch port where I need to connect that interfaces? Uplink port?
>Is that possible?

As long as your switch also supports 802.1Q, then of course it's possible.

You would connect the linux router to any switch port you want, all long as
the port is configured for overlapping (TAGGED) VLANS.  This way, like the
Linux router, a single port can be a member of each VLAN.


Ken Price
AgentWare, Inc.
kprice@agentware.net
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