The following figure shows the format of the pseudowire switching TLV.
Figure: Pseudowire switching TLV
PW sw TLV Length - Specifies the total length of all the following pseudowire switching point TLV fields in octets:
Type - encodes how the value field is to be interpreted
Length - specifies the length of the value field in octets
Value - octet string of length octets that encodes information to be interpreted as specified by the type field