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EXFO ETS-1000G User Manual

Page 185

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Glossary

10 Gigabit Ethernet Analyzer

175

Gateway

A network device that allows connecting two or more different-type
network systems and transforms the data streams being transmitted
between them.

ICMP

Internet Control Message Protocol. A network protocol that is a part of the
TCP/IP protocol stack. It is mainly used for the transmission of error
messages and messages about other exceptions that occur during data
communication.

IEEE 802.1Q

A standard that defines changes in the Ethernet frame structure which
allow transmitting VLAN information over the network.

IP

Internet Protocol. One of main protocols of the TCP/IP protocol family that
enables the non-guaranteed packet delivery which doesn't require
establishing a connection to the recipient.

IP address

Internet Protocol address. A unique identifier (address) of the device
connected to the unified network based on the TCP/IP protocol family. It is
represented in the form of a 32-bit binary number.

Jabber frame

A data packet that exceeds 1518 bytes in size and has an invalid checksum.

LAN

Local Area Network. A network that covers a relatively small territory (for
example, Ethernet). It features a high data rate (from 10 Mbps to several
Gbps) and a low error rate.