PBB
MPLS-TP control word enable
When selecting the check box, a control word will be inserted in the frame.
When MPLS-TP is active the ARP button will be moved away from the primary
Ethernet field.
Auto increment
Selecting the Auto increment check box makes the sequence number in
the RFC4448 control word increment automatically instead of being fixed to
zero.
The remaining fields are described under the ETH layer.
Touching the PBB layer button displays the parameters available for the
Provider Backbone Bridges (MAC-in-MAC) header.
B-Tag
Allows you to set a VLAN Identifier (VID), a Drop Eligible Indicator (DEI) and a
Priority Code Point (PCP).
Displays a Tag Protocol Identifier (TPID).
I-Tag