Pseudowire switching TLV

The following figure shows the format of the pseudowire switching TLV.

Figure: Pseudowire switching TLV format

• PW sw TLV Length

  This field specifies the total length of all the following pseudowire switching point TLV fields in octets.

• Type

  This field encodes how the Value field is interpreted.

• Length

  This field specifies the length of the Value field in octets.

• Value

  The octet string of Length octets encodes information to be interpreted as specified by the Type field.

The format of the pseudowire switching point sub-TLVs is as follows:

• pseudowire ID of last pseudowire segment traversed

  This sub-TLV type contains a pseudowire ID in the format of the pseudowire ID.

• pseudowire switching point description string

  This is an optional description text string up to 80 characters.

• IP address of pseudowire switching point

• IPv4 or IPv6 address of pseudowire switching point

  This is an optional sub-TLV.

• MH VCCV capability indication