rfc9929v2.txt		rfc9929.txt
	skipping to change at line 182 ¶		skipping to change at line 182 ¶
	UPA MAY be generated by an ABR or ASBR for a prefix that is		UPA MAY be generated by an ABR or ASBR for a prefix that is
	summarized by the summary prefix originated by an ABR or ASBR in the		summarized by the summary prefix originated by an ABR or ASBR in the
	following cases:		following cases:
	1. A prefix that was reachable earlier becomes unreachable.		1. A prefix that was reachable earlier becomes unreachable.
	2. For any of the planned maintenance cases:		2. For any of the planned maintenance cases:
	* the node originating the prefix is signaling the overload		* the node originating the prefix is signaling the overload
	state in IS-IS, or the H-bit in OSPFv2 [RFC8770], or the R-bit		state in IS-IS, or the H-bit in OSPFv2 [RFC8770], or the R-bit
	in OSPFv3 [RFC5340].		in OSPFv3 [RFC5340], or
	* the metric to reach the prefix from an ABR or ASBR crosses the		* the metric to reach the prefix from an ABR or ASBR crosses the
	configured threshold.		configured threshold.
	Generation as well as propagation of the UPA at an ABR or ASBR is		Generation as well as propagation of the UPA at an ABR or ASBR is
	optional and SHOULD be controlled by a configuration knob. It SHOULD		optional and SHOULD be controlled by a configuration knob. It SHOULD
	be disabled by default.		be disabled by default.
	Implementations MAY limit the UPA generation as well as propagation		Implementations MAY limit the UPA generation as well as propagation
	to specific prefixes, e.g. host prefixes, Segment Routing over IPv6		to specific prefixes, e.g. host prefixes, Segment Routing over IPv6
End of changes. 1 change blocks.
	1 lines changed or deleted		1 lines changed or added
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