About This Guide
Terminology
HST-3000 Ethernet Testing User’s Guide
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– JDSU Ethernet test set — A test set marketed by JDSU
and designed to transmit an Acterna Test Packet (ATP)
payload. These packets carry a time stamp used to calcu-
late a variety of test results. The FST-2802 TestPad, the
T-BERD/MTS 8000 Transport Module, the SmartClass
Ethernet tester, the QT-600, and the HST with an Ethernet
SIM can all be configured to transmit and analyze ATP
payloads, and can be used in end-to-end and loopback
configurations during testing.
– IPoE — Internet Protocol over Ethernet. IPOE is used on
the GUI and throughout this guide to see the applications
used to establish a standard layer 3 (IP) connection.
– PPPoE — Point to Point Protocol over Ethernet. PPPoE
is used on the GUI and throughout this guide to see the
applications used to establish a connection to a PPPoE
peer via a login process.
– IPv4 — Internet Protocol Version 4. IPv4 is used on the
GUI and throughout this guide to see the applications
used to transmit and analyze traffic carrying version 4 IP
packets.
– IPv6 — Internet Protocol Version 6. IPv6 is used on the
GUI and throughout this guide to see the applications
used to transmit and analyze traffic carrying version 6 IP
packets.
– Q-in-Q — Also also known as VLAN stacking, Q-in-Q is
used on the GUI and throughout this guide to see the
frame encapsulation scheme that enables service
providers to use a single VLAN to support customers with
multiple VLANs. Q-in-Q VLANs can also be used to
provide virtual access and connections to multiple
services.
– MPLS — Multiple Path Label Switching. A frame encap-
sulation scheme that uses labels rather than routing
tables to transmit layer 3 IP traffic over a layer 2 Ethernet
network.
For definitions of other terms used in this guide, see “Glos-
sary” on page 317.
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