10GE
Ten-GigabitEthernet
1DM
One-way Delay Measurement
3DES
Triple Data Encryption Standard
6PE
IPv6 Provider Edge
Return
AAA
Authentication, Authorization and Accounting
AAL
ATM Adaptation Layer
AAL5
ATM Adaptation Layer 5
ABR
Area Border Router
AC
Access Controller
AC
Access Circuit
AC
Attachment Circuit
AC
Access Category
AC Name
Access Concentrator Name
ACA
Acquire Change Authorization
ACCM
Async-Control-Character-Map
ACFC
Address-and-Control-Field-Compression
ACFP
Application Control Forwarding Protocol
Ack
Acknowledgment
ACL
Access Control List
ACR
Adaptive Clock Recovery
ACS
Auto-Configuration Server
ACS
AS Control Server
ACSEI
ACFP Client and Server Exchange Information
Active-Stateful PCC
Active-Stateful Path Computation Client
Active-Stateful PCE
Active-Stateful Path Computation Element
AD
Active Directory
ADM
ATM Direct Mapping
ADP
Add Diagnostic Parameter
ADPCM
Adaptive Differential Pulse Code Modulation
ADR
Adaptive Date Rate
ADSL
Asymmetric Digital Subscriber Line
ADVPN
Auto Discovery Virtual Private Network
AER
AS Edge Router
AES
Advanced Encryption Standard
AF
Assured Forwarding
AFI
Address Family Identifier
AFI
Authority and Format Identifier
AFT
Address Family Translation
AFTR
Address Family Transition Router
AH
Authentication Header
AIFSN
Arbitration Inter Frame Spacing Number
AIGP
Accumulated Interior Gateway Protocol Metric
AIS
Alarm Indication Signal
AIW
APPN Implementers Workshop
AKM
Authentication and Key Management
ALG
Application Level Gateway
AM
Analog Modem
AMB
Active Main Board
AMI
Alternate Mark Inversion
A-MPDU
Aggregate MAC Protocol Data Unit
A-MSDU
Aggregate MAC Service Data Unit
ANCP
Access Node Control Protocol
ANI
Adaptive Noise Immunity
ANSI
American National Standards Institute
AP
Access Point
AP
Agreement Protocol
APD
Avalanche Photo Diode
APDB
Access Point Information Database
APoT
AP of things
APP
Application Protocol
APPN
Advanced Peer-to-Peer Networking
APR
Application Recognition
ARP
Address Resolution Protocol
ARQ
Automatic Repeat Request
AS
Autonomous System
ASBR
Autonomous System Boundary Router
ASM
Any-Source Multicast
ASPF
Application Specific Packet Filter
ASPF
Advanced Stateful Packet Filter
AT
AppleTalk
ATD
Attribute Discovery
ATM
Asynchronous Transfer Mode
AU
Administration Unit
AUG
Administration Unit Group
AU-PTR
Administration Unit Pointer
AVF
Active Virtual Forwarder
AVF
Appointed VLAN-x Forwarder
AVP
Attribute Value Pair
Return
B4
Basic Bridging BroadBand
B8ZS
Bipolar 8-zero substitution
BA
Block Acknowledgment
BAS
Broadband Access Server
BB_Credit
Buffer-to-Buffer Credit
BC
Boundary Clock
BC
Bandwidth Constraint
BCB
Backbone Core Bridge
BCMP
Broadband-access-network Cluster Management Protocol
BDF
Backup DF
BDI
Backward Defect Indication
BDR
Backup Designated Router
BE
Best Effort
BEB
Backbone Edge Bridge
BECN
Backward Explicit Congestion Notification
BF
Build Fabric
BFD
Bidirectional Forwarding Detection
BGP
Border Gateway Protocol
BGP-EPE
BGP Egress Peer Engineering
BIDIR-PIM
Bidirectional Protocol Independent Multicast
BIMS
Branch Intelligent Management System
BIP
Bit-Interleaved Parity
BIP
Broadcast Integrity Protocol
BITS
Building Integrated Timing Supply System
BLE
Bluetooth Low Energy
B-MAC
Backbone MAC
BMC
Best Master Clock
BMP
BGP Monitoring Protocol
BOOTP
Bootstrap Protocol
BPDU
Bridge Protocol Data Unit
BQ
Bandwidth Queuing
BRAS
Broadband Remote Access Server
BRI
Basic Rate Interface
BRPC
Backward-Recursive PCE-Based Computation
BSB
Blockade State Block
BSM
Bootstrap Message
BSMF
Bootstrap Message Fragment
BSR
Bootstrap Router
BSS
Basic Service Set
BSV
BRI S/T Voice
BT
BitTorrent
B-VLAN
Backbone VLAN
Return
CA
Certificate Authority
CA
Connectivity Association
CAC
Connect Admission Control
CAMS
Comprehensive Access Management Server
CAPWAP
Controlling and Provisioning of Wireless Access Point
CAR
Committed Access Rate
CARP
Cache Array Routing Protocol
CB
Controlling Bridge
CB
Customer Bridge
CBQ
Class Based Queuing
CBR
Constant Bit Rate
CBS
Committed Burst Size
C-BSR
Candidate-BSR
CBT
Core-Based Tree
CBTS
Class-of-service Based Tunnel Selection
CBWFQ
Class Based Weighted Fair Queuing
CC
Continuity Check
CC
Call Control
CC
Control Channel
CC
Challenge Collapsar
CC
Common Criteria
CCA
Clear Channel Assessment
CCC
Circuit Cross Connect
CCF
Congestion Controlled Flow
CCM
Continuity Check Message
CD
Computed Distance
C-DCC
Circular DCC
CDCP
S-Channel Discovery and Configuration Protocol
CDP
Cisco Discovery Protocol
CDR
Call Detail Record
CDV
Cell Delay Variation
CE
Customer Edge
CED
Called Station Identifier
CEDCNG
Called Station Identifier
CEE
Converged Enhanced Ethernet
CEM
Circuit Emulation
CEM Class
Circuit Emulation Class
CESoPSN
Circuit Emulation Services over PSN
CFD
Connectivity Fault Detection
CFI
Canonical Format Indicator
CFM
Connectivity Fault Management
CGN
Carrier Grade NAT
CHAP
Challenge Handshake Authentication Protocol
CID
Calling Identity Delivery
CIDR
Classless Inter-Domain Routing
CIR
Committed Information Rate
CIR ALLOW
Committed Information Rate ALLOW
CIST
Common and Internal Spanning Tree
CLC
Channel Link Control
CLI
Command Line Interface
CLI
Calling Line Identification
CLNP
Connection-Less Network Protocol
CLP
Cell Loss Priority
CMC
Call Management Center
CNAME
Canonical Name
CND
Congestion Notification Domain
CNG
Comfortable Noise Generation
CNG
Calling Tone
CNGCED
Calling Tone
CNM
Congestion Notification Message
CNPV
Congestion Notification Priority Value
CO
Central Office
COPS
Common Open Policy Service
CoS
Class of Service
CP
Congestion Point
CP
Control Plane
CPE
Customer Premises Equipment
CPOS
Channelized POS
CPS
Certification Practice Statement
CPTone
Call Progress Tone
CQ
Custom Queuing
CR
Constraint-based Routing
CR
Core Router
CRC
Cyclic Redundancy Check
CRC
Cyclic Redundancy Code
CRC4
Cyclic Redundancy Check 4
CRL
Certificate Revocation List
CRLDP
Constraint-based Routed Label Distribution Protocol
CRLSP
Constraint-based Routed Label Switched Paths
C-RP
Candidate-RP
CS
Class Selector
CSMA/CD
Carrier Sense Multiple Access/Collision Detect
CSNP
Complete Sequence Number PDU
CSP
Port Extender Control and Status Protocol
CSPF
Constraint-based Shortest Path First
CST
Common Spanning Tree
CSV
Comma Separated Value
CT
Class Type
CTR
Counter mode
CTS
Clear to Send
CUG
Closed User Group
CV
Connectivity Verification
CWMP
CPE WAN Management Protocol
Return
DAC
Data Analysis Center
DAC
Digital to Analog Converter
DAD
Duplicate Address Detection
DAE
Dynamic Authorization Extensions
DAR
Deeper Application Recognition
Data-MDT
Data-Multicast Distribution Tree
DBA
Dynamic Bandwidth Allocation
DCBX
Data Center Bridging Exchange Protocol
DCC
Dial Control Center
DCD
Data Carrier Detection
DCE
Data Center Ethernet
DCE
Data Circuit-terminating Equipment
DCF
Distributed Coordination Function
DCN
Data Communication Network
DCR
Differential Clock Recovery
DD
Database Description
DDN
Digital Data Network
DDNS
Dynamic Domain Name System
DDoS
Distributed Denial of Service
DDR
Dial-on-Demand Routing
DDT
Delegated Database Tree
DE
Discard Eligibility
DED
Designated Edge Device
Default-MDT
Default-Multicast Distribution Tree
DER
Distinguished Encoding Rules
DF
Designated Forwarder
DGAF
Downstream Group-Addressed Forwarding
DH
Diffie-Hellman
DHCP
Dynamic Host Configuration Protocol
DHCPv6
Dynamic Host Configuration Protocol for IPv6
DID
Direct Inward Dialing
DID
Device ID
DiffServ
Differentiated Service
DIS
Designated IS
DLCI
Data Link Connection Identifier
DLDP
Device Link Detection Protocol
DLSw
Data Link Switching
DM
Diagnostic and Monitoring
DM
Delay Measurement
DMC
Device Management Controller
DMM
Delay Measurement Message
DMR
Delay Measurement Reply
DMZ
Demilitarized Zone
DN
Distinguished Name
DN
Directory Number
DNAT
Destination Network Address Translation
DND
Do-not Disturb
DNS
Domain Name System
DNSSL
DNS Search List
DNU
Do Not Use for synchronization
DoD
Downstream On Demand
DoS
Denial of Service
DP
Drop Profile
DP
Data Plane
DPD
Dead Peer Detection
DPI
Deep Packet Inspection
DR
Designated Router
DR device
Distributed Relay device
DRB
Designated Routing Bridge
DRCP
Distributed Relay Control Protocol
DRCPDU
Distributed Relay Control Protocol Data Unit
DRE
Data Redundancy Elimination
DRNI
Distributed Resilient Network Interconnect
DRS
DPI Report Statistics
DS
Differentiated Services
DSA
Digital Signature Algorithm
DSCP
Differentiated Services Code Point
DSL
Digital Subscriber Line
DS-Lite
Dual Stack Lite
DSU
Data Service Unit
DTD
Document Type Definition
DTE
Data Terminal Equipment
DTIM
Delivery Traffic Indication Message
DTLS
Datagram Transport Layer Security
DTMF
Dual Tone Multi-Frequency
DU
Downstream Unsolicited
DUAL
Diffusing Update Algorithm
DUID
DHCP Unique Identifier
DUID-LL
DUID Based on Link-layer Address
D-V
Distance Vector
DVMRP
Distance Vector Multicast Routing Protocol
DVPN
Dynamic Virtual Private Network
DWDM
Dense Wavelength Division Multiplexing
Return
E2ETC
End-to-End Transparent Clock
EAA
Embedded Automation Architecture
EACL
Enhanced ACL
EAD
Endpoint Admission Defense
EAIS
Ethernet Alarm Indication Signal
EAN
Ethernet Access Node
EAP
Extensible Authentication Protocol
EAPOL
Extensible Authentication Protocol over LAN
EAPOL KCK
EAPOL-Key Confirmation Key
EAPOL KEK
EAPOL-Key Encryption Key
EAP-TLS
Extensible Authentication Protocol -Transport Layer Security
EBS
Excess Burst Size
ECDSA
Elliptic Curve Digital Signature Algorithm
ECID
E-channel Identifier
ECM
Encapsulated Control Message
ECM
Error Correction Mode
ECN
Explicit Congestion Notification
ECP
Edge Control Protocol
ECT
Equal Cost Tree
ECWmax
Exponent form of CWmax
ECWmin
Exponent form of CWmin
ED
Edge Device
EDCA
Enhanced Distributed Channel Access
EDSG
Enhanced Dynamic Service Gateway
EEE
Energy Efficient Ethernet
EF
Expedited Forwarding
EFM
Ethernet First Mile
EGP
Exterior Gateway Protocol
EID
Endpoint Identifier
EIGRP
Enhanced Interior Gateway Routing Protocol
EIRP
Effective Isotropic Radiated Power
EM
Event Monitor
EMO
Endpoint Mobile Office
EMR
Ensure Minimum Rate
ENDC
EVI Neighbor Discovery Client
ENDC
Enhanced Neighbor Discovery Client
End-Of-RIB
End of Routing-Information-Base
ENDP
Enhanced Neighbor Discovery Protocol
ENDP
EVI Neighbor Discovery Protocol
ENDS
Enhanced Neighbor Discovery Server
ENDS
EVI Neighbor Discovery Server
eNodeB
evolved Node B
ENUM
Telephone Number Mapping
EOAM
Ethernet Operation, Administration and Maintenance
EoPW
Ethernet over Pseudo Wire
EPC
External Path Computation
EPC
Evolved Packet Core
EPON
Ethernet Passive Optical Network
EPS
Endpoints Profiling System
ER
Edge Relay
ERPS
Ethernet Ring Protection Switching
ERSPAN
Encapsulated Remote Switch Port Analyzer
ERT
Export Route-target
ES
End System
ES
Ethernet Segment
ESF
Extended Super Frame
ESI
Ethernet Segment Identifier
ESMC
Ethernet Synchronous Message Channel
ESN
Extended Sequence Number
ESP
Encapsulating Security Payload
ESS
Extended Service Set
ESS
Exchange Switch Support
ETR
Egress Tunnel Router
ETS
Enhanced Transmission Selection
ETSI
European Telecommunications Standards Institute
EUI
Extended Unique Identifier
EUI-64
64-bit Extended Unique Identifier
EVB
Edge Virtual Bridging
Event MIB
Event Management Information Base
EVFP
Exchange Virtual Fabrics Parameter
EVI
Ethernet Virtual Interconnect
EVPN
Ethernet Virtual Private Network
Extended-MAM
Extended Maximum Allocation Model
Return
FA
Foreign Agent
FA
Foreign-AC
FAC
Feature Access Code
FAS
Frame Alignment Signal
FC
Forwarding Class
FC
Fibre Channel
FC
Feasibility Condition
FCF
FCoE Forwarder
FCM
Fast Connect Modem
FCoE
Fibre Channel over Ethernet
FCPS
FC Port Security
FCS
Fabric Configuration Server
FCS
Frame Check Sequence
FD
Feasible Distance
FDB
Forwarding Database
FDMI
Fabric Device Management Interface
FE
Fast Ethernet
FEAC
Far End Alarm and Control signal
FEC
Forward Error Correction
FEC
Forwarding Equivalence Class
FECN
Forward Explicit Congestion Notification
FEP
Front End Processor
FF
Fixed-Filter
FFD
Fast Failure Detection
FFT
Fast Fourier Transform
FG
Forwarding Group
FHR
First Hop Router
FIB
Forwarding Information Base
FIFO
First In First Out
FIFO
First In First Out Queuing
FIP
FCoE Initialization Protocol
FIP Snooping
FCoE Initialization Protocol Snooping
FIPS
Federal Information Processing Standards
Flowspec
Flow Specification
FNG
Fault Notification Generator
FP
Forwarding Profile
FPGA
Field Programmable Gate Array
FPMA
Fabric Provided MAC Address
FQ
Fair Queuing
FQDN
Fully Qualified Domain Name
FR
Frame Relay
FRR
Fast Reroute
FRTP
Frame Relay Traffic Policing
FRTS
Frame Relay Traffic Shaping
FRU
Field Replaceable Unit
FS
Forced Switch
FS
Feasible Successor
FSK
Frequency Shift Keying
FSPF
Fabric Shortest Path First
FT
Fault Tolerance
FT
Fast BSS Transition
FTN
FEC to NHLFE map
FTP
File Transfer Protocol
FXO
Foreign Exchange Office
FXS
Foreign Exchange Station
Return
GAL
G-ACh Label
GARP
Generic Attribute Registration Protocol
GAS
Generic Advertisem*nt Service
GDOI
Group Domain of Interpretation
GE
Gigabit Ethernet
GI
Guard Interval
GK
GateKeeper
GLB
Global Load Balance
GM
Group Member
GM
Grandmaster Clock
GMK
Group Master Key
GNE
Gateway Network Element
GNS
Get Nearest Server
GOLD
Generic OnLine Diagnostics
GPS
Global Positioning System
GR
Graceful Restart
GRE
Generic Routing Encapsulation
Group Domain VPN
Group Domain Virtual Private Network
gRPC
Google Remote Procedure Call
GSMPv3
General Switch Management Protocol Version 3
GTC
Generic Token Card
GTK
Group Temporal Key
GTP
GPRS Tunneling Protocol
GTP-U
GPRS Tunneling Protocol User
GTS
Generic Traffic Shaping
GTSM
Generalized TTL Security Mechanism
GVRP
GARP VLAN Registration Protocol
GW
Gateway
GWMP
Gateway Message Protocol
Return
HA
Home-AC
HA
High Availability
HA
Home Agent
HABP
HW Bypass Protocol
HBA
Host Bus Adapter
HDB3
High-density bipolar 3
HDLC
High-level Data Link Control
HDSL
High-speed Digital Subscriber Line
HESSID
hom*ogenous Extended Service Set IDentifier
HGMP
HW Group Management Protocol
HGMPv2
HW Group Management Protocol version 2
HMAC
Hash-based Message Authentication Code
HoPE
Hierarchy of PE
HoVPN
Hierarchy of VPN
HQoS
Hierarchical Quality of Service
HS
High-performance Switch
HTTP
Hypertext Transfer Protocol
HTTPS
Hypertext Transfer Protocol Secure
H-VPLS
Hierarchical VPLS
HWTACACS
HW Terminal Access Controller Access Control System
Return
IA
Identity Association
IACTP
Inter Access Controller Tunneling Protocol
IAD
Integrated Access Device
IANA
Internet Assigned Numbers Authority
IBGP
Internal Border Gateway Protocol
ICANN
Internet Corporation for Assigned Names and Numbers
ICMP
Internet Control Message Protocol
ICMPv6
Internet Control Message Protocol for IPv6
ICP
IMA Control Protocol
ICPIF
Calculated Planning Impairment Factor
ICRQ
Incoming Call Request
IDN
Integrated Digital Network
IDS
Intrusion Detection System
IE
Information Element
IE
Interconnect Element
IEEE
Institute of Electrical and Electronics Engineers
IETF
Internet Engineering Task Force
IGMP
Internet Group Management Protocol
IGMP Snooping
Internet Group Management Protocol Snooping
IGP
Interior Gateway Protocol
IGTK
Integrity Group Temporal Key
IIH
Intermediate System-to-Intermediate System Hello
IKE
Internet Key Exchange
IKEv2
Internet Key Exchange Version 2
ILM
Incoming Label Map
ILS
Internet Locator Service
IM
Instant Messaging
IMA
Inverse Multiplexing for ATM
IMAP
Internet Mail Access Protocol
iMC
Intelligent Management Center
IMSI
International Mobile Subscriber Identification Number
InARP
Inverse Address Resolution Protocol
IND
Inverse Neighbor Discovery
INT
In-band Network Telemetry
IntServ
Integrated Service
IPC
Inter-process Communication
IPE
Image Package Envelope
IPHC
IP Header Compression
IPL
Intra-Portal Link
IPN
IGTK Packet Number
IPng
IP Next Generation
IPoA
IP over ATM
IPoEoA
IP over Ethernet over ATM
IPP
Intra-Portal Port
IPS
Intrusion Prevention System
IPsec
IP Security
IPTA
IP Terminal Access
IPv6
Internet Protocol version 6
IPv6 MBGP
IPv6 Multicast BGP
IPv6 ND
IPv6 Neighbor Discovery
IPv6 PIM
IPv6 Protocol Independent Multicast
IPv6 PIM Snooping
IPv6 Protocol Independent Multicast Snooping
IPX
Internetwork Packet Exchange
IRB
Integrated Bridging and Routing
IRB
Integrated Routing and Bridging
IRB
Integrated Routing Bridging and Bridging Routing
IRDP
ICMP Router Discovery Protocol
IRF
Intelligent Resilient Framework
IS
Intermediate System
ISAKMP
Internet Security Association and Key Management Protocol
ISATAP
Intra-Site Automatic Tunnel Addressing Protocol
ISDN
Integrated Services Digital Network
I-SID
Backbone Service Instance Identifier
IS-IS
Intermediate System-to-Intermediate System
ISO
International Organization for Standardization
ISP
Internet Service Provider
ISPF
Incremental Shortest Path First
ISSU
In-Service Software Upgrade
IST
Internal Spanning Tree
ITA
Intelligent Target Accounting
ITR
Ingress Tunnel Router
ITSP
Internet Telephone Service Provider
ITU
International Telecommunication Union
ITU-T
International Telecommunication Union Telecommunication
IV
Initialization Vector
IVR
Interactive Voice Response
Return
KAT
Known-Answer Test
KCK
EAPOL-Key Confirmation Key
KEK
Key Encrytion Key
KEK
EAPOL-Key Encryption Key
KS
Key Server
Return
L2F
Layer 2 Forwarding
L2PT
Layer 2 Protocol Tunneling
L2TP
Layer 2 Tunneling Protocol
L2VPN
Layer 2 Virtual Private Network
L3VNI
Layer 3 VNI
L3VPN
Layer 3 Virtual Private Network
LAC
L2TP Access Concentrator
LACP
Link Aggregation Control Protocol
LACPDU
Link Aggregation Control Protocol Data Unit
LAN
Local Area Network
LB
Loopback
LB
Label Base
LB
Load Balance
LBM
Loopback Message
LBR
Loopback Reply
LC
Logic Channel
LCFO
Loop Current Feed Open
LCI
Logic Channel Identifier
LCP
Link Control Protocol
LDAP
Lightweight Directory Access Protocol
LDN
Local Dialing Number
LDP
Label Distribution Protocol
LDP ID
LDP Identifier
LDPC
Low-Density Parity Check
LER
Label Edge Router
LFI
Link Fragmentation and Interleaving
LFIB
Label Forwarding Information Base
LGS
Loop-start & Ground-start Signaling
LHR
Last-Hop Router
LI
Leap Indicator
LLC
Logical Link Control
LLDP
Link Layer Discovery Protocol
LLDPDU
Link Layer Discovery Protocol Data Unit
LLDP-MED
Link Layer Discovery Protocol Media Endpoint Discovery
LLID
Logical Link ID
LLQ
Low Latency Queuing
LM
Loss Measurement
LMI
Local Management Interface
LMM
Loss Measurement Message
LMR
Loss Measurement Reply
LNS
L2TP Network Server
LO
Label-block Offset
LOCV
Loss of Connectivity Verification defect
LOID
Logical ONU Identifier
LoRaWAN
Long Range Wide Area Network
LOS
Loss of Signal
LPU
Line Processing Unit
LPU Port
Line Processing Unit Port
LQR
Link Quality Reports
LR
Line Rate
LR
Label Range
LS
Link State
LSA
Link State Acknowledgment
LSA
Link State Advertisem*nt
LSAck
Link State Acknowledgment
LSDB
Link State Database
LSDB
Link State DataBase
LSN
Large-scale NAT
LSP
Label Switched Path
LSP
Link State PDU
LSPDU
Link State Protocol Data Unit
LSR
Link State Request
LSR
Link State Record
LSR
Label Switching Router
LSU
Link State Update
LT
Linktrace
LTM
Linktrace Message
LTR
Linktrace Reply
LTS
L2TP Tunnel Switch
LVF
Listening Virtual Forwarder
LZ
Lempel-Ziv compression
Return
M flag
Managed Address Configuration Flag
MA
Mobility Agent
MA
Maintenance Association
MAC
Message Authentication Code
MAC
Media Access Control
MACsec
Media Access Control Security
MAD
Multi-Active Detection
MAM
Maximum Allocation Model
MAN
Metropolitan Area Network
MAP
Mesh Access Point
MBGP
Multicast BGP
MBS
Maximum Burst Size
MC
Mobility Controller
MCC
Mobile Country Code
MCE
Multi-VPN-Instance Customer Edge
MCS
Modulation and Coding Scheme
MCU
Multipoint Control Unit
MD
Maintenance Domain
MD
Multicast Domain
MDC
Multitenant Device Context
MDI
Medium Dependent Interface
MDL
Maintenance Data Link
mDNS
Multicast DNS
MDT
Multicast Distribution Tree
ME
Maintenance Entity
MEC
Multi-access Edge Computing
MED
Multi-Exit Discriminator
MEG
Maintenance Entity Group
MEP
Maintenance association End Point
MEP
MEG End Point
MFAS
Multiframe FAS
MFC
Multi-Frequency Compelled
MFF
MAC-Forced Forwarding
MFR
Multilink Frame Relay
MGCP
Media Gateway Control Protocol
mGRE
Multipoint Generic Routing Encapsulation
MIB
Management Information Base
MIC
Message Integrity Check
MIMO
Multiple Input, Multiple Output
MIP
Maintenance association Intermediate Point
MIP
Mobile IP
MKA
MACsec Key Agreement
MKD
Mesh Key Distributor
MKI
Master Key Identifier
MLD
Multicast Listener Discovery Protocol
MLD Snooping
Multicast Listener Discovery Snooping
MLSP
Mobile Link Switch Protocol
MME
Management MIC IE
MNC
Mobile Network Code
MoH
Music on Hold
MOS
Mean Opinion Scores
MOTD
Message of The Day
MP
Maintenance Point
MP
Mesh Point
MP
Merge Point
MP_REACH_NLRI
Multiprotocol Reachable NLRI
MP_UNREACH_NLRI
Multiprotocol Unreachable NLRI
MP-BGP
Multiprotocol Border Gateway Protocol
MPCP
Multipoint Control Protocol
MPDU
MAC Protocol Data Unit
MPE
Middle-Level PE
MPLS
Multiprotocol Label Switching
MPLS SR
Segment Routing with MPLS
MPLS TE
Multiprotocol Label Switching Traffic Engineering
MPLS VPN
MPLS Virtual Private Network
MPLS-TP
MPLS Transport Profile
MPP
Mesh Portal Point
MQC
Model QoS Command
MR
Map Resolver
MR
Merge Request
MRIB
Multicast Routing Information Base
MRP
Multiple Registration Protocol
MRPDU
MRP Protocol Data Unit
MRRA
Merge Request Resource Allocation
MRU
Maximum-Receive-Unit
MS
Manual Switch
MS
Map Server
MSCHAP
Microsoft Challenge Handshake Authentication Protocol
MSDP
Multicast Source Discovery Protocol
MSDU
MAC Service Data Unit
MSK
Multicast Session Key
MSOH
Multiplex Section Overhead
MSS
Maximum Segment Size
MSTI
Multiple Spanning Tree Instance
MSTP
Multiple Spanning Tree Protocol
MT
Multicast Tunnel
MTI
Multicast Tunnel Interface
MTP
Maintain Probe
MTR
Multi-Topology Routing
MTU
Maximum Transmission Unit
MTU-s
Multi-Tenant Unit switch
MU
Mobile Unit
MVPN
Multicast Virtual Private Network
MVRP
Multiple VLAN Registration Protocol
MVXLAN
Multicast VXLAN
MWI
Message Waiting Indication
MX
Mail Exchanger
Return
NA
Neighbor Advertisem*nt
NAI
Network Access Identifier
NAPT
Network Address Port Translation
NAPT-PT
Network Address Port Translation-Protocol Translation
NAS
Network Access Service
NAS
Network Access Server
NAS-ID
Network Access Server Identifier
NAS-Port-ID
Network Access Server Port Identifier
NAS-VLAN-ID
Network Access Server VLAN Identifier
NAT
Network Address Translation
NAT-PT
Network Address Translation-Protocol Translation
NBAR
Network Based Application Recognition
NBMA
Non-Broadcast Multi-Access
NCP
Network Control Protocol
ND
Neighbor Discovery
NDA
NetStream Data Analyzer
NDE
NetStream Data Exporter
NDP
Neighbor Discovery Protocol
NDPP
Network Device Protection Profile
NE
Network Element
NEMO
Network Mobility
NET
Network Entity Title
NetBIOS
Network Basic Input/Output System
NETCONF
Network Configuration Protocol
NFAS
non–FAS
NFV
Network Function Virtualisation
NHLFE
Next Hop Label Forwarding Entry
NHRP
Next Hop Resolution Protocol
NI
National ISDN
NIB
Nexthop Information Base
NII
Network International Identifier
NIST
National Institute of Standards and Technology
NIT
Not Initial Terminal
NLB
Network Load Balancing
NLBS
Network Load Balancing Service
NLPID
Network Layer Protocol Identifier
NLRI
Network Layer Reachability Information
NM
Network Management
NMFAS
Non-Multiframe FAS
NMS
Network Management Station
NMS
Network Management System
NMS
Network Management Server
NNI
Network-to-Network Interface
NO-PAT
Not Port Address Translation
NPDU
Network Protocol Data Unit
NPE
Network Provider Edge
NPTv6
IPv6-to-IPv6 Network Prefix Translation
NPV
N_Port Virtualization
NQA
Network Quality Analyzer
NR
No Request
nrt-VBR
non-real-time Variable Bit Rate
NS
Neighbor Solicitation
NS
Name Server
NSAP
Network Service Access Point
NSC
NetStream Collector
NSF
Non-Standard Facilities
NSR
Nonstop Routing
NSS
Number of Spatial Streams
NTDP
Neighbor Topology Discover Protocol
NTE
Named Telephone Event
NTP
Network Time Protocol
NTT
Nippon Telegraph and Telephone Corpration
NVC
Network Virtualization Controller
NVE
Network Virtualization Edge
NVGRE
Network Virtualization using Generic Routing Encapsulation
Return
O Flag
Other Stateful Configuration Flag
OAA
Open Application Architecture
OAMPDU
OAM Protocol Data Unit
OAP
Open Application Platform
OC
Optical Carrier
OC
Ordinary Clock
ODAP
On-Demand Address Pool
ODF
Optical Distribution Frame
ODN
Optical Distribution Network
ODU
Optical Data Unit
OEM
Original Equipment Manufacturer
OFDM
Orthogonal Frequency Division Multiplexing
OI
Organization Identifier
OID
Object Identifier
OLT
Optical Line Terminal
ONU
Optical Network Unit
OOB
Out-of-Band
OPU
Optical Payload Unit
ORF
Outbound Route Filtering
OSI
Open System Interconnection
OSPF
Open Shortest Path First
OSU
Online Sign Up
OTN
Optical Transport Network
OTU
Optical Transmit Unit
OUI
Organizationally Unique Identifier
OVSDB
Open vSwitch Database
Return
P2MP
Point-to-MultiPoint
P2P
PW to PW
P2P
Peer-to-Peer
P2P
Point-to-Point
P2PTC
Peer-to-Peer Transparent Clock
PA
Provider Allocated
PADT
PPPoE Active Discovery Terminate
PAGP
Port Aggregation Protocol
PAM
Port to Application Map
PAM
Pulse Amplitude Modulation
PAN ID
Personal Area Network Identifier
PAP
Password Authentication Protocol
Passive-Stateful PCC
Passive-Stateful Path Computation Client
Passive-Stateful PCE
Passive-Stateful Path Computation Element
PAT
Port Address Translation
PBAR
Port Based Application Recognition
PBB
Provider Backbone Bridge
PBBN
Provider Backbone Bridge Network
PBN
Provider Bridge Network
PBR
Policy-based Routing
PBX
Private Branch Exchange
PCB
Protocol Control Block
PCC
Path Computation Client
PCE
Path Computation Element
PCEP
Path Computation Element Communication Protocol
PCM
Pulse Code Modulation
PCR
Peak Cell Rate
PD
Powered Device
PD
Prefix Delegation
PDH
Plesiochronous Digital Hierarchy
PDP
Policy Decision Point
PDU
Protocol Data Unit
PE
Provider Edge
PE-agg
PE Aggregation
PEAP
Protected Extensible Authentication Protocol
PEAP-GTC
Protected Extensible Authentication Protocol-Microsoft Generic Token Card
PEAP-MSCHAPv2
Protected Extensible Authentication Protocol-Microsoft Challenge Handshake Authentication Protocol v2
PEM
Privacy Enhanced Mail
PEM
Power Entry Module
PEP
Policy Enforcement Point
PFC
Power Free Connector
PFC
Priority-based Flow Control
PFC
Protocol-Field-Compression
PFS
Perfect Forward Secrecy
PHB
Per-hop Behavior
PHP
Penultimate Hop Popping
PI
Power Interface
PI
Provider Independent
PI
Progress Indicator
PIC
Prefix Independent Convergence
PIM
Protocol Independent Multicast
PIM Snooping
Protocol Independent Multicast Snooping
PIM-DM
Protocol Independent Multicast-Dense Mode
PIM-SM
Protocol Independent Multicast-Sparse Mode
PIM-SSM
Protocol Independent Multicast Source-Specific Multicast
PIN
Personal Identification Number
PIR
Peak Information Rate
PKCS
Public Key Cryptography Standards
PKI
Public Key Infrastructure
PLCP
Physical Layer Convergence Procedure
PLMN
Public Land Mobile Network
PLR
Point of Local Repair
PMK
Pairwise Master Key
PMTU
Path MTU
PoE
Power over Ethernet
POH
Path Overhead
POP3
Post Office Protocol - Version 3
POS
Passive Optical Splitter
POS
Point of Sale
PPP
Point-to-Point Protocol
PPPoA
PPP over ATM
PPPoE
Point-to-Point Protocol over Ethernet
PPPoEoA
PPPoE over ATM
PPTP
Point-to-Point Tunneling Protocol
PQ
Priority Queuing
PRBS
Pseudo Random Bit Sequence
PRC
Primary Reference Clock
PRI
Primary Rate Interface
PRL
Preferred Roaming List
PS
Protection Switching
PSB
Path State Block
PSC
Protection State Coordination
PSD
Power Spectral Density
PSE
Power Sourcing Equipment
PSK
Pre-Shared Key
PSN
Packet Switched Network
PSNP
Partial Sequence Number PDU
PSST
Principal Switch Selection Timer
PSTN
Public Switched Telephone Network
PTK
Pairwise Transient Key
PTP
Precision Time Protocol
PTR
Pointer Record
PTY
Pseudo-Terminals
PUK
PIN Unlocking Key
PVC
Permanent Virtual Circuit
PVC PQ
PVC Priority Queuing
PVID
Port VLAN ID
PVP
Permanent Virtual Path
PVST
Per-VLAN Spanning Tree
PW
Pseudowire
PW-ACH
PW Associated Channel Header
PWCT
Pairwise Conditional Test
PWE3
Pseudo Wire Emulation Edge-to-Edge
PXE
Preboot eXecution Environment
Return
QCN
Quantized Congestion Notification
QL
Quality Level
QoS
Quality of Service
QPPB
QoS Policy Propagation Through the Border Gateway Protocol
Return
RA
Router Alert
RA
Router Advertisem*nt
RA
Registration Authority
RADIUS
Remote Authentication Dial-In User Service
RAI
Remote Alarm Indication
RALM
RADIUS Authenticated Login Using MAC-address
R-APS
Ring Automatic Protection Switching
RAS
Registration, Admission, and Status
RB
Routing Bridge
RBAC
Role Based Access Control
RBM
Remote Backup Management
RCA
Release Change Authorization
RCF
Reconfigure Fabric
RCPI
Received Channel Power Indicator
RD
Routing Domain
RD
Reported Distance
RD
Route Distinguisher
RDI
Remote Defect Indication
RDM
Russian Dolls Model
RDP
Read Diagnostic Parameters
RED
Random Early Detection
RedisDBM
Redis Database Manager
REG
Registration Center
RFID
Radio Frequency Identification
RIB
Routing Information Base
RIP
Routing Information Protocol
RIP-2
Routing Information Protocol version 2
RIPng
RIP next generation
RIR
Resilient Intelligent Route
RLOC
Routing Locator
RLSN
Remote Link Status Notification
RMON
Remote Network Monitoring
ROA
Recognized operating Agency
Roam OI
Roam Organization Identifier
RP
Rendezvous Point
RP
Reflective Relay
RP
Reaction Point
RPA
Register Port Attributes
RPA
Rendezvous Point Address
RPC
Remote Procedure Call
RPF
Reverse Path Forwarding
RPI
Receive Power Indication
RPKI
Resource Public Key Infrastructure
RPL
Rendezvous Point Link
RPL
Ring Protection Link
RPR
Resilient Packet Ring
RPRT
Register Port
RPS
Redundant Power System
RP-Set
Rendezvous Point Set
RPT
Rendezvous Point Tree
RR
Route Reflector
RR
Reflective Relay
RR
Router Renumber
RRI
Reverse Route Injection
RRM
Radio Resource Management
RRPP
Rapid Ring Protection Protocol
RS
Router Solicitation
RSB
Reservation State Block
RSCN
Registered State Change Notification
RS-DCC
Resource-Shared DCC
RSH
Remote Shell
RSN
Robust Security Network
RSNA
Robust Security Network Association
RSNI
Received Signal to Noise Indicator
RSOH
Regenerator Section Overhead
RSSI
Received Signal Strength Indicator
RSSI
Received Signal Strength Indication
RSTP
Rapid Spanning Tree Protocol
RSVP
Resource Reservation Protocol
RT
Route Target
RTC
Remote Terminal Connection
RTCP
Real-Time Transport Control Protocol
RTM
Real-Time Event Manager
RTP
Reliable Transport Protocol
RTP
Real-Time Transport Protocol
RTPQ
Real-Time Transport Protocol Priority Queuing
RTS
Request to Send
RTSP
Real Time Streaming Protocol
RTT
Round-Trip Time
rt-VBR
Real-time Variable Bit Rate
RU
Rack Unit
Return
S/MIME
Secure/Multipurpose Internet Mail Extensions
SA
Security Association
SA
Source Active
SA Query
Security Association Query
SABM
Set Asynchronous Balanced Mode
SACK
Selective Acknowledgment
SAE
Simultaneous authentication of equals
SAFI
Subsequent Address Family Identifier
SAII
Source Attachment Individual Identifier
SAM
Security Accounting Management
SAN
Storage Area Networks
SAP
Service Advertising Protocol
SAToP
Structure-Agnostic TDM over Packet
SAVI
Source Address Validation Improvement
SB
Service Bridge
SBFD
Seamless BFD
SBM
Subnetwork Bandwidth Management
SCCP
Skinny Client Control Protocol
SCEP
Simple Certificate Enrollment Protocol
SCFF
Single Choke Fairness Frame
SCR
Sustainable Cell Rate
SCR
State Change Registration
SD
Signal Degrade
SDH
Synchronous Digital Hierarchy
SDLC
Synchronous Data Link Control
SDN
Software Defined Network
SDP
Session Description Protocol
SDSL
Symmetric Digital Subscriber Line
SDU
Service Data Unit
SE
Shared-Explicit
SEC
SDH Equipment Clock
SF
Super Frame
SF
Signal Fail
SFC
Stage Fabric Configuration Update
sFlow
Sampled Flow
SFM
Source-Filtered Multicast
SFP
Small Form-factor Pluggable
SFTP
Secure FTP
Short GI
Short Guard Interval
SIA
Stuck In Active
SID
Segment Identifier
SIP
Session Initiation Protocol
SIPS
SIP Secure
SLA
Service Level Agreement
SLAAC
Stateless Address Autoconfiguration
SLB
Server Load Balance
SLC
Service Logic Control
SLIP
Serial Line Internet Protocol
SLM
Single-ended Loss Measurement
SMA
State Machine based Anti-spoofing
SmartMC
Smart Management Center
SMET
Selective Multicast Ethernet Tag Route
S-MLAG
Simple Multichassis Link Aggregation
SMTP
Simple Mail Transfer Protocol
SN
Serial Number
SNA
System Network Architecture
SNAP
Subnet Access Protocol
SNAT
Source Network Address Translation
SNMP
Simple Network Management Protocol
SNMP-DCA
SNMP Data Collection Agent
SNP
Sequence Number PDU
SNPA
Subnetwork Point of Attachment
SNR
Signal-to-Noise Ratio
SNTP
Simple NTP
SOA
Start of Authority
SOAP
Simple Object Access Protocol
SOH
Section Overhead
SONET
Synchronous Optical Network
SoO
Site of Origin
SP
Strict Priority
SP
Service Provider
SP
Scheduler Policy
SPB
Shortest Path Bridging
SPBM
Shortest Path Bridging MAC Mode
SPBM
Shortest Path Bridging MAC
SPBN
Shortest Path Bridging Network
SPCS
Stored Program Control Switching System
SPE
Superstratum PE or Service Provider-end PE
SPF
Shortest Path First
SPI
Security Parameter Index
SPID
Service Profile Identification
SPM
Smart PoE Manager
SPSource ID
Shortest Path Source Identifier
SPT
Shortest Path Tree
SQL
Structured Query Language
SR
Segment Routing
Srefresh
Summary Refresh
SRGB
Segment Routing Global Block
SRLB
Segment Routing Local Block
SRLSP
Segment Routing Label Switched Path
SRMC
Segment Routing Mapping Client
SRMS
Segment Routing Mapping Server
SRST
Survivable Remote Site Telephony
sr-TCM
single rate TCM
SRTP
Secure Real-Time Transport Protocol
SRV
Service
SSA
SIP Stack Adapt
SSH
Secure Shell
SSID
Service Set Identifier
SSL
Secure Sockets Layer
SSM
Synchronization Status Message
SSM
Source-Specific Multicast
SSP
Switch-to-Switch Protocol
SSU-A
primary level SSU
SSU-B
second level SSU
ST
Shared Tree
Stateful PCE
Stateful Path Computation Element
Stateless PCC
Stateless Path Computation Client
Stateless PCE
Stateless Path Computation Element
STBC
Space-Time Block Coding
STP
Spanning Tree Protocol
STR
Switch Trace Route
SVC
Static Virtual Circuit
SVC
Switched Virtual Circuit
SVP
SpectraLink Voice Priority
Return
TA
Terminal Adapter
TACACS
Terminal Access Controller Access Control System
TACL
Temporary Access Control List
TAI
International Atomic Time
TAII
Target Attachment Individual Identifier
T-BC
Telecom Boundary Clock
TC
Topology Checksum
TC
Topology Change
TC
Topology client
TC
Traffic Class
TC
Transparent Clock
TCA
Topology Change Acknowledge
TCAM
Ternary Content Addressable Memory
TCI
Tag Control Information
Tcl
Tool Command Language
TCN BPDU
Topology Change Notification BPDU
TCP
Transmission Control Protocol
TCT-BC
Transparent Telecom Boundary Clock
TDM
Time Division Multiplexing
TDMA
Time Division Multiple Access
TE
Traffic Engineering
TEDB
TE DataBase
TEI
Terminal Endpoint Identifier
TEID
Tunnel Endpoint Identifier
TEK
Tranfic Encrytion Key
TFO
Transport Flow Optimization
TFTP
Trivial File Transfer Protocol
TI-LFA FRR
Topology-Independent Loop-free Alternate Fast Reroute
TIM
Traffic Indication Map
TK
Temporal Key
TKIP
Temporal Key Integrity Protocol
TLS
Transport Layer Security
TLS
Transparent LAN Service
TLV
Type/Length/Value
TM
Topology Master
ToS
Type of Service
TP
Traffic Policing
TP
Topology Protection
TPA
Third-part Application
TPC
Transmit Power Control
TPDU
Transport Protocol Data Unit
TPID
Tag Protocol Identifier
TPMR
Two-Port MAC Relay
TQ
Time Quantum
TRILL
TRansparent Interconnection of Lots of Links
TRIP
Triggered RIP
tr-TCM
two-rate TCM
TS
Traffic Shaping
TSA
Tunnel Switching Aggregator
TST
Test
T-TC
Telecom Transparent Clock
TTI
Trail Trace Identifier
TTL
Time to Live
TTLS
Tunneled Transport Layer Security
TTLS-GTC
Tunneled Transport Layer Security-Microsoft Generic Token Card
TTLS-MSCHAPv2
Tunneled Transport Layer Security-Microsoft Challenge Handshake Authentication Protocol v2
T-TSC
Telecom Time Slave Clock
TTY
True Type Terminal
TU
Tributary Unit
TUG
Tributary Unit Group
TWAMP
Two-Way Active Measurement Protocol
TxBF
Tx Beamforming
TXOP Limit
Transmission Opportunity Limit
TXT
Text
Return
UA
Unnumbered Acknowledge
UA
User Agent
UAC
User Agent Client
U-APSD
Unscheduled Automatic Power-Save Delivery
UAS
User Agent Server
UBR
Unspecified Bit Rate
UCM
User Connection Management
UDLD
Uni-directional Link Direction
UDP
User Data Protocol
UE
User Equipment
UFC
Update Fabric Configuration
UIM
User Identity Module
UNI
User-to-Network Interface
UNI
User Network Interface
UPE
User facing-Provider Edge
UPE
Underlayer PE or User-end PE
URI
Uniform Resource Identifier
URL
Uniform Resource Locator
uRPF
Unicast Reverse Path Forwarding
USK
Unicast Session Key
USM
User-Based Security Model
UTC
Coordinated Universal Time
UTM
Unified Threat Management
Return
V2V
Video to Video
VA
Virtual Access
VACM
View-based Access Control Model
VAD
Voice Activity Detection
VAM
VPN Address Management
VBR-NRT
Variable Bit Rate-Non Real Time
VBR-RT
Variable Bit Rate-Real Time
VC
Virtual Circuit
VC
Virtual Container
VCC
Virtual Circuit Connection
VCCV
Virtual Circuit Connectivity Verification
VCF
Vertical Converged Framework
VCFC
VCF Controller
VCI
Virtual Channel Identifier
VCN
Virtual Circuit Number
VCPM
Voice Co-processing Module
VD
Virtual Device
VDP
VSI Discovery and Configuration Protocol
VDSL
Very high-speed Digital Subscriber Line
VE
Virtual Ethernet
VE-Bridge
Virtual Ethernet Bridge
VEth
Virtual Ethernet
VF Owner
Virtual Forwarder Owner
VFW
Virtual Firewall
VLAN
Virtual Local Area Network
VM
Virtual Machine
VMM
Virtual Machine Management
VN
Version Number
VNC
Virtual Network Computing
VNI
VXLAN Network Identifier
VoD
Video on Demand
VoIP
Voice over IP
VP
Virtual Path
VPC
Virtual Path Connection
VPC
Virtual Private Cloud
VPDN
Virtual Private Dial-up Network
VPI
Virtual Path Identifier
VPLS
Virtual Private LAN Service
VPM
Voice Processing Module
VPN
Virtual Private Network
VPWS
Virtual Private Wire Service
VR
Virtual Router
VRF
Virtual Routing and Forwarding
VRRP
Virtual Router Redundancy Protocol
VSAN
Virtual Storage Area Network
VSD
Virtual Security Domain
VSI
Virtual Switch Instance
VSI
Virtual Station Interface
VSID
Virtual Subnet Identifier
VSIP
Virtual Service IP
VSRP
Virtual Service Redundancy Protocol
vSwitch
Virtual Switch
VT
Virtual Template
VTEP
VXLAN Tunnel End Point
VTP
VLAN Trunking Protocol
VTY
Virtual Type Terminal
VXLAN
Virtual eXtensible LAN
VXLAN-DCI
VXLAN Data Center Interconnection
Return
WAAS
Wide Area Application Services
WAF
Web Application Firewall
WAI
WLAN Authentication Infrastructure
WAN
Wide Area Network
WAP
Wireless Application Protocol
WAPI
WLAN Authentication and Privacy Infrastructure
WASS
Wide Area Application Services
WDS
Wireless Distribution System
WEP
Wired Equivalent Privacy
WFQ
Weighted Fair Queuing
WHA
WLAN High Availability
WIDS
Wireless Intrusion Detection System
WiNet
Wisdom Network
WINS
Windows Internet Naming Service
WIPS
Wireless Intrusion Prevention System
WLAN
Wireless Local Area Network
WLAN RRM
Radio Resource Management
WMM
Wi-Fi Multimedia
WPA
Wi-Fi Protected Access
WPAD
Web Proxy Auto-Discovery
WPI
WLAN Privacy Infrastructure
WRED
Weighted Random Early Detection
WRR
Weighted Round Robin
WSA
Wireless Spectrum Analysis
WT
Wireless Terminator
WTU
Wireless Terminator Unit
WWN
World Wide Name
Return
XFP
10-Gigabit Small Form-factor Pluggable
XML
Extensible Markup Language
XSD
XML Schema Document
XSD
XML Schema Definition
Return
ZBR
Zone Border Router