rfc9892v6.txt		rfc9892.txt
	skipping to change at line 357 ¶		skipping to change at line 357 ¶
	A router receiving the Traffic Classification Sub-Data Item MUST		A router receiving the Traffic Classification Sub-Data Item MUST
	validate the information on receipt, prior to using the carried		validate the information on receipt, prior to using the carried
	information, including potentially updating the data behavior as		information, including potentially updating the data behavior as
	determined by the extension requiring the use of the Sub-Data Item.		determined by the extension requiring the use of the Sub-Data Item.
	Validation failures MUST be treated as an error as described in		Validation failures MUST be treated as an error as described in
	Section 2.1.1.		Section 2.1.1.
	Once validated, the receiver MUST ensure that each DS Field value is		Once validated, the receiver MUST ensure that each DS Field value is
	listed only once across the whole Traffic Classification Data Item.		listed only once across the whole Traffic Classification Data Item.
	Note that this check is across the Data Item and not the individual		Note that this check is across the Data Item and not the individual
	Sub-Data Item. If the same DS Field value is listed more than once		Sub-Data Items. If the same DS Field value is listed more than once
	within the same Traffic Classification Data Item, the Data Item MUST		within the same Traffic Classification Data Item, the Data Item MUST
	be treated as an error as described in Section 2.1.1.		be treated as an error as described in Section 2.1.1.
	2.3. Ethernet Traffic Classification Sub-Data Item		2.3. Ethernet Traffic Classification Sub-Data Item
	The Ethernet Traffic Classification Sub-Data Item identifies the VLAN		The Ethernet Traffic Classification Sub-Data Item identifies the VLAN
	and PCPs that should be treated as a single flow, i.e., receive the		and PCPs that should be treated as a single flow, i.e., receive the
	same traffic treatment. Ethernet PCP support is defined as part of		same traffic treatment. Ethernet PCP support is defined as part of
	the IEEE 802.1Q tag format [IEEE8021Q] and includes a 3-bit "PCP"		the IEEE 802.1Q tag format [IEEE8021Q] and includes a 3-bit "PCP"
	field. The tag format also includes a 12-bit "VLAN Identifier (VID)"		field. The tag format also includes a 12-bit "VLAN Identifier (VID)"
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