Question

Passing tagged vlan traffic with Ubuntu 9.04

Asked by: mickfinley

I want tagged vlan traffic pass from switch through eth1 on Ubuntu machine, use iptables to filter traffic and pass through eth0 which is connected to another switch for access to network.

Here are my switch configs:

ProCurve 1800

Vlan 90
tagged 24

vlan 93
tagged 24

vlan 10
tagged 24


Procurve 3500: Exact same as 1800
 
Vlan 90
tagged 24

vlan 93
tagged 24

vlan 10
tagged 24

How do I configure the Ubuntu machine to pass this traffic and let me use iptables for filtering?

Thanks,
Mick

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Asked On
2009-09-24 at 16:45:22ID24760426
Tags

Linux

,

Networking

,

Ubuntu

,

Firewall

Topics

Linux Setup

,

Networking Hardware Firewalls

,

Miscellaneous Networking

Participating Experts
2
Points
0
Comments
4

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Answers

 

by: mrcustardPosted on 2009-09-24 at 19:31:34ID: 25419706

Do you have to use iptables? If not take a look at this link:

http://www.enfinity.net/wp/2009/05/15/linux-policy-based-routing-with-vlans

The tools you will need are:

* vconfig - vlan configuration tool - vlan support must be configured in the kernel, and you need to have the interfaces up in order to create vlans.
* ip - iproute2 - great tool for routing on Linux

Thanks,

M.

 

by: lanboyoPosted on 2009-09-24 at 20:39:22ID: 25419881

Ignore me if I am completely off base, but are all the vlans tagged with the same label?

 

by: mickfinleyPosted on 2009-09-25 at 07:05:34ID: 25423062

I have setup the vlans with vconfig on the Ubuntu machine.  I am probably making this more difficult than what it should be.  As I add each vlan to interface e.g. eth0.90, eth0.93, this becomes a tagged??

 

by: mickfinleyPosted on 2009-09-28 at 11:56:05ID: 25442136

Here is the solution:

Bridge the 2 nics

install ebtables.

ebtables has the ability to read vlan encapsulated(tagged) packets.

Thanks,
Mick

20120131-EE-VQP-002

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