config wan_tag config
        option enabled   0
        option vid       2
        option br1       0,3,0,1,0,0
        option br2       0,4,0,0,1,0 
        option br3       0,5,0,0,0,1
		option voip_wan  0
        option voip_vid  10
		option iptv_wan  0
        option iptv_vid  8
		option mngt_wan  0
        option mngt_vid  9
