Table 2: Ipv6 Header Field Descriptions - Alcatel-Lucent 7750 SR OS Configuration Manual

Configuring IP Router Parameters

Table 2: IPv6 Header Field Descriptions

Field
Version
Prio.
Flow Label
Payload Length
Next Header
Hop Limit
Source Address
Destination Address
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4-bit Internet Protocol version number = 6.
4-bit priority value.
24-bit flow label.
16-bit unsigned integer. The length of payload, for example, the rest of the packet
following the IPv6 header, in octets. If the value is zero, the payload length is
carried in a jumbo payload hop-by-hop option.
8-bit selector. Identifies the type of header immediately following the IPv6 header.
This field uses the same values as the IPv4 protocol field.
8-bit unsigned integer. Decremented by 1 by each node that forwards the packet.
The packet is discarded if the hop limit is decremented to zero.
128-bit address of the originator of the packet.
128-bit address of the intended recipient of the packet (possibly not the ultimate
recipient if a routing header is present).
7750 SR OS Router Configuration Guide
Description