Vlans; Abbreviation - KTI Networks KGS-1064-HP User Manual

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2.14 VLANs

2.14.1 Abbreviation

Ingress Port: Ingress port is the input port on which a packet is received.
Egress Port: Egress port is the output port from which a packet is sent out.
IEEE 802.1Q Packets: A packet which is embedded with a VLAN Tag field
IEEE 802.1Q VLAN Tag: In IEEE 802.1Q packet format, 4-byte tag field is inserted in the original Ethernet
frame between the Source Address and Type/Length fields. Two bytes are used for the tag protocol identifier
(TPID), the other two bytes for tag control information (TCI). The TCI field is further divided into PCP, DEI,
and VID.
TPID Tag protocol identifier: a 16-bit field set to a value of 0x8100 (standard) in order to identify the frame
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