Newtec EL170 - Ether Type Field

Features
User Manual for EL170/970/470 IP Satellite Modulator/
Demodulator/Modem
version 4.2
143
SHAPING THE FUTURE OF SATELLITE COMMUNICATIONS
Field Description
Tag Protocol Identifier Used to distinguish the tagged frame from
untagged frames.
This identifier refers to the Ether
type field.
Priority Code Point This indicates the frame priority level. (Voice,
video, data).
Canonical Format Indicator This bit is always set to zero.
VLAN Identifier Used to specify to which VLAN the frame belongs.
9.5.2 Ether Type Field
The EtherType is a two-octet field in an Ethernet frame. It indicates which protocol
is encapsulated in the payload.
The following table shows an overview of the EtherType value for some common
protocols.
EtherType Protocol
0x0800 Internet Protocol, Version 4 (IPv4)
0x0806 Address Resolution Protocol (ARP)
0x8100 VLAN tagged frame (IEEE 802.1Q)
0x86DD Internet Protocol, Version 6 (IPv6)
0x9100 Q-in-Q
0x88a8
Provider Backbone Bridges (PBB) or IEEE 802.1ah-
2008
0x88e7
Provider Backbone Bridges (PBB) or IEEE 802.1ah-
2008
This ether type field must be defined in the device. This is done by entering the
correct value in the VLAN type id. Refer to section 9.5.4.