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2. Extension Usage and Identification

This section preserves the RFC text for the DLEP IEEE 802.1Q Aware Credit Window extension, including Extension Type 5, VLAN identifiers, PCPs, traffic classification, credit windows, IANA registration, and normative behavior.

Original RFC Text​

2.  Extension Usage and Identification

   The extension defined in this document is built on the mechanisms and
   processing defined in [RFC9892] and [RFC9893].  To indicate that the
   IEEE 802.1Q Aware Credit Window Extension is to be used, an
   implementation MUST include the IEEE 802.1Q Aware Credit Window
   Extension Type value in the Extensions Supported Data Item (see
   Section 13.6 of [RFC8175]).  The Extensions Supported Data Item is
   sent and processed according to [RFC8175].  Any implementation that
   indicates the use of the IEEE 802.1Q Aware Credit Window Extension
   MUST support all message types, Data Items, the Ethernet Traffic
   Classification Sub-Data Item, and all related processing defined in
   [RFC9892] and [RFC9893].

   The IEEE 802.1Q Aware Credit Window Extension Type value is 5.  See
   Section 5.
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