rfc9747v2.txt		rfc9747.txt
	skipping to change at line 252 ¶		skipping to change at line 252 ¶
	by default on hosts. The method for provisioning device B to loop		by default on hosts. The method for provisioning device B to loop
	back Unaffiliated BFD Echo packets is outside the scope of this		back Unaffiliated BFD Echo packets is outside the scope of this
	document.		document.
	Similar to what's specified in [RFC5880], the Unaffiliated BFD Echo		Similar to what's specified in [RFC5880], the Unaffiliated BFD Echo
	session begins with the periodic, slow transmission of Unaffiliated		session begins with the periodic, slow transmission of Unaffiliated
	BFD Echo packets. The slow transmission rate should be no greater		BFD Echo packets. The slow transmission rate should be no greater
	than one packet per second, until the session on device A is Up.		than one packet per second, until the session on device A is Up.
	After the session is Up, the provisioned transmission interval is		After the session is Up, the provisioned transmission interval is
	used. When the Unaffiliated BFD Echo session on device A goes Down,		used. When the Unaffiliated BFD Echo session on device A goes Down,
	the slow transmission rate is resumed. The "Detect Mult" defined in		the slow transmission rate is resumed. The "Detect Mult" field
	[RFC5880] MUST be set to a value provisioned on device A. When the		defined in [RFC5880] MUST be set to a value provisioned on device A.
	bfd.SessionState is Up and a "Detect Mult" number of Unaffiliated BFD		When the bfd.SessionState is Up and a "Detect Mult" number of
	Echo packets have not arrived at device A as they should, the device		Unaffiliated BFD Echo packets have not arrived at device A as they
	A "MUST set bfd.SessionState to Down and bfd.LocalDiag to 2 (Echo		should, the device A "MUST set bfd.SessionState to Down and
	Function Failed)", as specified in Section 6.8.5 of [RFC5880].		bfd.LocalDiag to 2 (Echo Function Failed)", as specified in
			Section 6.8.5 of [RFC5880].
	In summary, the Unaffiliated BFD Echo packet reuses the format of the		In summary, the Unaffiliated BFD Echo packet reuses the format of the
	BFD Control packet defined in [RFC5880], and the fields within the		BFD Control packet defined in [RFC5880], and the fields within the
	Unaffiliated BFD Echo packet are populated as follows:		Unaffiliated BFD Echo packet are populated as follows:
	* My Discriminator: MUST be set to the provisioned local		* My Discriminator: MUST be set to the provisioned local
	discriminator.		discriminator.
	* Your Discriminator: MUST initially be set to 0, and then MUST be		* Your Discriminator: MUST initially be set to 0, and then MUST be
	set to the value of "My Discriminator" looped back from the remote		set to the value of "My Discriminator" looped back from the remote
End of changes. 1 change blocks.
	6 lines changed or deleted		7 lines changed or added
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