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Date: Sat, 21 Nov 2009 17:39:41 +0000
From: Tom Judge <tom@tomjudge.com>
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Subject: if_bridge as if_vlan parent
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Hi,

I was why I get the following error when trying to create a vlan on top 
of if_bridge:

# ifconfig bridge0 create
# ifconfig vlan2 vlan 2 vlandev bridge0
ifconfig: SIOCSETVLAN: Protocol not supported


And if there was/is any reason for this to not be supported.

Thanks

Tom