+ pgset "vlan_id 77" set VLAN ID 0-4095
+ pgset "vlan_p 3" set priority bit 0-7 (default 0)
+ pgset "vlan_cfi 0" set canonical format identifier 0-1 (default 0)
+
+ pgset "svlan_id 22" set SVLAN ID 0-4095
+ pgset "svlan_p 3" set priority bit 0-7 (default 0)
+ pgset "svlan_cfi 0" set canonical format identifier 0-1 (default 0)
+
+ pgset "vlan_id 9999" > 4095 remove vlan and svlan tags
+ pgset "svlan 9999" > 4095 remove svlan tag
+
+
+ pgset "tos XX" set former IPv4 TOS field (e.g. "tos 28" for AF11 no ECN, default 00)
+ pgset "traffic_class XX" set former IPv6 TRAFFIC CLASS (e.g. "traffic_class B8" for EF no ECN, default 00)
+