[ovs-discuss] Virtual Switch Tagging in open vswitch?

[Andrew Lambeth]

How are you verifying the outbound frames don't have tags?  (If you are
sniffing on a virtual or physical port that is not a trunk port (ie tagged),
your sniffer won't see them.)

On Tue, Feb 23, 2010 at 7:54 PM, David V. Cloud <david.v.cloud at gmail.com>wrote:

> Hi all,
> I have gone through the ovs-vswitchd and ovs-vswitchd.conf man pages. I
> couldn't find anything similar to Virtual Switch Tagging (VST mode) in
> VMware ESX. Basically, "the virtual switch port group tags all outbound
> frames and removes tags for all inbound frames." I have tried 'Untagged VLAN
> Ports'. Although, similar, this is different from VST mode. It will only
> receive frames with 802.1Q headers of specified VID. However, the outbound
> frames are untagged. I have verify the above statement using two KVM virtual
> machines together with usermode open vswitch (open vswitch kernel module
> won't compile on 2.6.32.8 Linux kernel.
>
> So, I am wondering if I can implement something similar to VST mode on open
> vswitch? Correct me if I have any misunderstanding about VLAN support in
> open vswitch.
>
> p.s. The VST mode and some other VLAN features are documented at
> http://www.vmware.com/pdf/esx3_vlan_wp.pdf
>
>
> Thanks,
> ~D
>
>
>
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>
>


-- 
-andrew
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