Draytek 2130 manual IP Protocol Value, Ip Ttl, IP Fragment, IP Option

IP Protocol Value	When "Other" is selected for the IP protocol filter, you can
	enter a specific value here. The range is 0 to 255. The
	default value is “255”.A frame meeting this ACE matches
	this IP protocol value.
IP TTL	Specify the Time-to-Live settings for this ACE.

	Zero: IPv4 frames with a Time-to-Live field greater than
	zero must not be able to match this entry.
	Non-zero:IPv4 frames with a Time-to-Live field greater
	than zero must be able to match this entry.
	Any: Any value is allowed.
IP Fragment	Specify the fragment offset settings for this ACE. This
	involves the settings for the More Fragments (MF) bit and
	the Fragment Offset (FRAG OFFSET) field for an IPv4
	frame.

	No: IPv4 frames where the MF bit is set or the FRAG
	OFFSET field is greater than zero must not be able to
	match this entry.
	Yes: IPv4 frames where the MF bit is set or the FRAG
	OFFSET field is greater than zero must be able to match
	this entry.
	Any: Any value is allowed.
IP Option	Specify the options flag setting for this ACE.

No: IPv4 frames where the options flag is set must not be

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