PON Glossary¶
Terms A-Z: Click to check the definition.
Index A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
[ A ]
AC-Name
The name of the PPPoE Access Concentrator, used by clients to identify and connect to a specific PPPoE server.
ACS
(Auto Configuration Server) A server used in TR-069 architecture to remotely configure, manage, and monitor customer-premises equipment.
AFTR
(Address Family Transition Router) A carrier-grade router that terminates DS-Lite tunnels and performs IPv4 traffic processing.
Aggregation
A wireless optimization technique that combines multiple frames into a single transmission to improve throughput efficiency.
ARP Table
A table that stores mappings between IP addresses and MAC addresses for local network communication.
[ B ]
Beacon Interval
The time interval at which a wireless access point broadcasts beacon frames to announce the presence of a WLAN.
Bias Current
The electrical current applied to the laser diode in an optical module, indicating operational status.
BOSA Temperature
The operating temperature of the Bidirectional Optical Sub-Assembly used for optical diagnostics.
BSSID
The MAC address that uniquely identifies a specific wireless access point within a WLAN.
Broadcast
A transmission method that sends data packets to all devices within the same network segment.
Bridged Ethernet (Transparent Bridging)
A mode that forwards Ethernet frames directly between WAN and LAN interfaces without routing.
Bridged Mode
A network operation mode where the device passes traffic transparently without NAT or routing.
Bridged PPPoE
A mode that allows PPPoE packets to pass through the device without termination.
[ C ]
CHAP
A secure authentication protocol using a challenge-response mechanism to verify user credentials.
[ D ]
DHCP Relay
A feature that forwards DHCP requests between clients and an upstream DHCP server.
DHCP Server
A service that dynamically assigns IP addresses and network parameters to clients.
Domain Blocking
A security feature that blocks access to specified domain names.
Domain Name
The DNS domain name assigned to devices within a local network.
DSCP Remarking
The process of modifying DSCP values in IP packets to enforce Quality of Service policies.
DS-Lite
(Dual-Stack Lite) A transition technology that enables IPv4 connectivity over an IPv6-only access network.
DTIM Period
Specifies how often multicast and broadcast data are delivered to wireless clients in power-saving mode.
DMZ
(Demilitarized Zone) A network configuration that exposes a specific internal host directly to the WAN.
[ E ]
EasyMesh Network Topology
A standardized mesh networking architecture enabling interoperable multi-node Wi-Fi systems.
Encryption
The security protocol (e.g., WPA2, WPA3) used to protect wireless data from unauthorized access.
[ F ]
Fragment Threshold
Defines the maximum frame size before wireless packets are fragmented.
FQDN
(Fully Qualified Domain Name) A complete domain name that uniquely identifies a host on the Internet.
[ G ]
Gateway
A network device that forwards traffic from a local network to external networks.
[ I ]
IEEE 802.1d Spanning Tree
A protocol that prevents Ethernet loops by dynamically managing network topology.
IEEE 802.1p Mark
A Layer 2 priority marking used for traffic classification.
IEEE 802.11a
A Wi-Fi standard operating in the 5 GHz band with data rates up to 54 Mbps.
IEEE 802.11k Support
A feature that provides radio resource measurements to assist wireless roaming.
IEEE 802.11n
A Wi-Fi standard supporting MIMO technology for higher throughput.
IGMP Proxy
A function that manages IPv4 multicast traffic between WAN and LAN interfaces.
IGMP Robust Count
The number of times IGMP messages are retransmitted to improve multicast reliability.
Incoming Default Action
Defines the default firewall behavior for inbound traffic.
IPoE Mode
A WAN connection mode that obtains an IP address via DHCP without PPP encapsulation.
IP Pool Range
The range of IP addresses available for assignment by a DHCP server.
IP QoS
A mechanism that prioritizes IP traffic based on defined policies.
IP Unnumbered
Allows an interface to borrow an IP address from another interface.
IPv6 Link-Local Address
An IPv6 address automatically generated for communication within the local network link.
[ L ]
Lease Time
The duration for which an IP address is assigned to a client.
LOID
(Logical ONU Identifier) An identifier used to authenticate an ONU during GPON registration.
[ M ]
Metric
A routing priority value used to determine the preferred network path.
MLD Proxy
A feature that manages IPv6 multicast traffic between WAN and LAN.
MS-CHAP
A Microsoft-enhanced authentication protocol based on CHAP.
Multicast to Unicast
Converts multicast streams into unicast transmissions for improved Wi-Fi performance.
Multicast VLAN ID
A dedicated VLAN ID used to carry multicast traffic such as IPTV services.
[ N ]
NAPT
(Network Address and Port Translation) Translates multiple private IP addresses to a single public IP using port mapping.
[ O ]
ONU
(Optical Network Unit) A device that terminates the optical signal and provides user network access.
ONU ID
A unique identifier assigned by the OLT to distinguish ONUs.
Outgoing Default Action
Defines the default firewall behavior for outbound traffic.
[ P ]
PAP
A basic authentication protocol that transmits credentials in plaintext.
PPP
(Point-to-Point Protocol) A protocol used for authentication and IP address assignment.
Preamble Type
Defines the synchronization header format used in wireless transmissions.
[ Q ]
QoS Bandwidth
Specifies guaranteed or maximum bandwidth allocation for traffic flows.
Query Interval
The time interval between multicast query messages.
[ R ]
Request DNS
Requests DNS server information automatically from the ISP.
RTS Threshold
Defines the frame size at which RTS/CTS handshaking is triggered.
Rx Power
The received optical signal power level at the ONU.
[ S ]
Service-Name
Specifies the requested PPPoE service name.
Short GI
A shortened guard interval that increases Wi-Fi data rates.
Stateful DHCPv6
Assigns IPv6 addresses and parameters via a DHCPv6 server.
SLAAC
(Stateless DHCPv6) Allows IPv6 address configuration using router advertisements.
[ T ]
TR-069
A protocol enabling remote configuration and management of customer-premises equipment.
TX Beamforming
A wireless technology that directs signals toward specific clients.
TX Restrict
Limits the maximum wireless transmission power.
Tx Power
The transmitted optical signal power level from the ONU.
[ U ]
Upstream DHCP Server
A DHCP server located on the WAN side of the network.
UPnP
(Universal Plug and Play) Allows applications to automatically configure port forwarding rules.
[ V ]
VLAN ID
A numerical identifier used to distinguish virtual LANs.
[ W ]
WEP
An obsolete wireless encryption method with known security vulnerabilities.
WLAN
A wireless local area network based on IEEE 802.11 standards.
WMM Support
A Wi-Fi Multimedia feature that prioritizes voice and video traffic.
WPA2
A secure Wi-Fi encryption standard using AES.
WPA2 Mixed Mode
Allows both WPA and WPA2 clients to connect.
WPA3
The latest Wi-Fi security standard with enhanced protection.
WPA3 Transition Mode
Enables compatibility between WPA2 and WPA3 clients.