IPv6 Fragment (`ipv6_frag`)

Layer: L3 (network)
Header: 8 octets (fixed)

Reached from

Field	Type	Default	Auto	Description
`next_header`	`uint(8)`	`253`	Protocol number of the next layer (see Next layer)	Protocol number of the header following this extension header (Auto).
`reserved`	`uint(8)`	`0`		Reserved, 0.
`fragment_offset`	`uint(13)`	`0`		Offset of this fragment in 8-byte units.
`res`	`uint(2)`	`0`		Reserved, 0.
`m`	`uint(1)`	`0`		More-fragments flag (1 = more fragments follow).
`identification`	`uint(32)`	`0`		Identification shared by the fragments of one packet.

The next layer is selected by next_header; when the field is Auto the builder writes the value of the protocol stacked above.

8 bits of the payload after its first 16 bits when next_header = 43 (0x2b)

Value	Protocol
4 (0x04)	`ipv6_srh`
(any other value)	`ipv6_route`