802.1p only?

["Xin Huang" <xin.huang@xxxxxxxxx>]

I tried to use 802.1p priorities without setting up a VLAN ID. It seems to make it work, the only way is to create a VLAN interface
eth0.0:

    vconfig add eth0 0

Then I can send out packets onto eth0.0 with priorities. Here is the problem: when a DHCP request is sent out of 
eth0.0, the switch sends back a DHCP offer packet without any VLAN header. Unfortunately, the packet is dispatched to eth0 interface instead of eth0.0. As the result, the DHCP client fails!

I had to work on a customized kernel patch to solve the problem. But is there a simple way to make DHCP client work on 
eth0.0? Or there exists any other trick to use 802.1p without setting up VLAN?

The following thread seems to indicate it's a known problem on Linux VLAN:

    
http://www.candelatech.com/pipermail/vlan/2005-February/000241.html

Thanks in advance!

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