[ovs-discuss] How to make multiple VLANs on one NIC?

신용진 akayong at gmail.com
Thu May 27 13:45:26 UTC 2010


After I solved trunking problem, I encountered another problem. (sorry for
asking too many questions)


For vlan networking,


Firstly, I made a real bridge as xenbr2.

Then, I made a fake bridge as xenbr2.100 with tagging 100.

And I attached eth2 to xenbr2.100 with tagging 100.


And I did same thing to another server


Then, both server can communicate each other with tagging information.


However, I want to make another vlan, such as 200, 300 and so on.


So I made another fake bridge as xenbr2.200 with tagging 200

And I tried attach eth2 to xenbr2.200 with tagging 200. 

With “ovs-vsctl add-port xenbr2.200 eth2 tag=200”


But it says, 

ovs-vsctl: cannot create a port named eth2 because a port named eth2
already exists on bridge xenbr2.100


So, I want to set tag field to eth2 as 100,200. (because trunks field can
have multiple values)

With “ovs-vsctl set port eth2 tag=100,200”


But it says,


ovs-vsctl: 100,200: 2 value(s) specified but the maximum number is 1



how can I set multiple VLANs on one NIC?



Thanks in advance!

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