A |
AAA | Authentication, Authorization and Accounting |
ABC | Activity Based Costing |
ABR | Area Border Router |
AC | Access Code |
ACK | ACKnowledgement |
ACL | Access Control List |
ADSL | Asymmetric Digital Subscriber Line |
AF | Actual Finish Time |
AFI | Authority and Format Identifier |
ALG | Application Layer Gateway |
AMB | Active Main Board |
ANSI | American National Standard Institute |
AP | Access Preamble |
ARP | Address Resolution Protocol |
AS | Access Server |
ASBR | Autonomous System Border Router |
ASCII | American Standard Code for Information Interchange |
ASE | Application service element |
ASF | Alert Standard Forum |
ASIC | Application Specific Integrated Circuit |
ASM | Any-Source Multicast |
ASN | Abstract Syntax Notation |
AT | Adjacency Table |
ATD | Attribute Discovery |
ATM | Asynchronous Transfer Mode |
ATT | Attachment |
AUX | Auxiliary (port) |
B |
BC | Bearer Control |
BDR | Backup Designated Router |
BGP | Border Gateway Protocol |
BIMS | Branch Intelligent Management System |
BOOTP | Bootstrap Protocol |
BPDU | Bridge Protocol Data Unit |
BRI | Basic Rate Interface |
BSB | Blockade State Block |
BSP | Board Support Package |
BSR | Bootstrap Router |
BT | BitTorrent |
C |
CA | Cell Allocation |
Candidate-BSR | Candidate-BSR |
Candidate-RP | Candidate-RP |
CAR | Committed Access Rate |
CB | Cell Broadcast |
CBS | Committed Burst Size |
C-BSR | Candidate-BSR |
CCITT | International Telephone and Telegraph Consultative Committee |
CE | Concurrent Engineering |
CF | Compact Flash |
CFM | Configuration File Management |
CHAP | Challenge Handshake Authentication Protocol |
CIDR | Classless Inter-Domain Routing |
CIR | Committed Information Rate |
CIST | Common and Internal Spanning Tree |
CLNP | Connectionless Network Protocol |
CPU | Central Processing Unit |
CR | Change Request |
CRC | Cyclic Redundancy Check |
CR-LSP | Constraint-based Routing LSP |
CR-LDP | Constraint-based Routing LDP |
C-RP | Candidate-RP |
CSNP | Complete SNP |
CSPF | Constraint Shortest Path First |
CST | Common Spanning Tree |
CT | Call Transfer |
D |
DCE | Data Circuit-terminal Equipment |
DD | Data Date |
DDN | Digital Data Network |
DHCP | Dynamic Host Configuration Protocol |
DIS | Designated IS |
DLCI | Data Link Connection Identifier |
DNS | Domain Name Server |
DoD | Downstream on Demand |
DR | Designated Router |
DS | Data Stream |
DSP | Destination Signaling Point |
DTE | Data Terminal Equipment |
DU | Downstream Unsolicited |
D-V | Distance Vector Routing Algorithm |
DVMRP | Distance Vector Multicast Routing Protocol |
DWDM | Dense Wavelength Division Multiplexing |
E |
EACL | Enhanced ACL |
EAP | Extensible Authentication Protocol |
EBGP | External Border Gateway Protocol |
EBS | Excess Bandwidth Service |
EF | Earliest Finish Time |
EGP | Exterior Gateway Protocol |
End-Of-RIB | End of Router-Information-Base |
ES | Earliest Start Time |
ESC | Base Station Environment Supervision &Control Board |
ES-IS | End System-Intermediate System |
F |
FCS | Frame Check Sequence |
FDDI | Fiber Distributed Data Interface |
FEC | Forwarding Equivalence Class |
FIB | Forwarding information base |
FIFO | First In First Out |
FR | Frame Relay |
FRR | Fast ReRoute |
FRTT | Fairness Round Trip Time |
FT | Functional Test |
FTN | FEC to NHLFE map |
FTP | File Transfer Protocol |
FTPS | FTP Server |
G |
GARP | Generic Attribute Registration Protocol |
GE | Gigabit Ethernet |
GR | Graceful Restart |
GRE | Generic Routing Encapsulation |
GVRP | GARP VLAN Registration Protocol |
H |
HA | High Availability |
HDLC | High-level Data Link Control |
HEC | Header Error Control |
HGMPS | HGMP Service |
HoPE | Hiberarchy of PE |
HoVPN | Hiberarchy of VPN |
HSB | Hot Standby |
HTTP | Hyper Text Transport Protocol |
H-VPLS | Hiberarchy of VPLS |
I |
IA | Incoming Access |
IANA | Internet Assigned Number Authority |
IBGP | Internal BGP |
IBM | International Business Machines |
ICMP | Internet Control Message Protocol |
ICMPv6 | Internet Control Message Protocol for IPv6 |
ID | IDentification/IDentity |
IDI | Initial Domain Identifier |
IEEE | Institute of Electrical and Electronics Engineers |
IETF | Internet Engineering Task Force |
IF | Information Frame |
IGMP | Internet Group Management Protocol |
IGMP-Snooping | Internet Group Management Protocol Snooping |
IGP | Interior Gateway Protocol |
ILM | Integrated Laser Modulator |
ILS | Internet Locator Service |
IN | Intelligent Network |
IP | Internet Protocol |
IPng | IP Next Generation |
IPSec | IP Security |
IPTN | IP Phone Telephony Network |
IPX | Internet Packet Exchange |
ISDN | Integrated Services Digital Network |
IS-IS | Intermediate System-to-Intermediate System |
ISO | International Organization for Standardization |
ISP | Internet service provider |
IST | Immediate Service Termination (IST) |
ITU-T | International Telecommunication Union - Telecommunication Standardization Sector |
K |
KB | Kilobyte |
L |
L2TP | Layer 2 Tunneling Protocol |
L2VPN | Layer 2 VPN |
LACP | Link Aggregation Control Protocol |
LACPDU | Link Aggregation Control Protocol Data Unit |
LAN | Local Area Network |
LDP | Label Distribution Protocol |
LER | Label Edge Router |
LFIB | Label Forwarding Information Base |
LI | Leap Indicator |
LLC | Link Layer Control |
LOC | Loss of continuity |
LOG | Call Logging |
LQOS | Lanswitch QoS |
LRTT | Loop Round Trip Time |
LS | Latest Start Time |
LSA | Link State Advertisement |
LSAck | Link State Acknowledgment Packet |
LSDB | Link State Database |
LSP | Label Switch Path |
LSPAGENT | Label Switched Path AGENT |
LSPM | Label Switch Path Management |
LSR | Label Switch Router |
LSR-ID | Label Switch Router Identity |
LSU | Link State Update |
M |
MAC | Media Access Control |
MAN | Metropolitan Area Network |
MaxBC | Max Bandwidth Constraints |
MBGP | Multiprotocol Border Gateway Protocol |
MD | Multicast Domain |
MDT | Multicast Distribution Tree |
MED | multi-exit discrimination (MED) |
MIB | Management Information Base |
MLD | Multicast Listener Discovery Protocol |
MLD-Snooping | Multicast Listener Discovery Snooping |
MMC | Meet-Me Conference |
MODEM | MOdulator-DEModulator |
MP | Multilink PPP |
MP-BGP | Multiprotocol extensions for BGP-4 |
MPE | Middle-level PE |
MPLS | Multiprotocol Label Switching |
MPLSFW | Multi-protocol Label Switch Forward |
MPM | Multicast Port Management |
MSB | MSC Basic Configuration |
MSDP | Multicast Source Discovery Protocol |
MSOH | Multiplex Section Overhead |
MST | Multiplex Section Termination |
MSTI | Multi-Spanning Tree Instance |
MSTP | Multiple Spanning Tree Protocol |
MT | Multicast Tunnel |
MTBF | Mean Time Between Failure |
MTI | Multicast Tunnel Interface |
MTU | Maximum Transmission Unit |
MVRF | Multicast VPN Routing and Forwarding |
N |
NAPT | Network Address Port Translation |
NAS | Narrowband Access Server |
NAT | Net Address Translation |
NBMA | Non Broadcast Multi-Access |
NBT | NetBIOS over TCP/IP |
ND | Neighborhood discovery |
NDA | Non-disclosure Agreement |
NDP | Neighbor Discovery Protocol |
NET | NET Card |
NetBIOS | Network Basic Input/Output System |
NHLFE | Next Hop Label Forwarding Entry |
NLPID | Network Layer Protocol Identifier |
NLRI | Network Layer Reachability Information |
NMS | Network Management Station |
NPDU | Network Protocol Data Unit |
NPE | Network Provider Edge |
NS | Neighbor Solicitation |
NSAP | Network Service Access Point |
NSC | NetStream Collector |
N-SEL | NSAP Selector |
NSSA | Not-So-Stubby Area |
NTP | Network Time Protocol |
O |
OAM | Operation Administration and Maintenance |
OAMPDU | OAM Protocol Data Units |
OC-3 | OC-3 |
OID | Object Identifier |
OL | Optical Line |
OSI | Open Systems Interconnection |
OSPF | Open Shortest Path First |
P |
P2MP | Point to MultiPoint |
P2P | Point To Point |
PAE | Port Access Entity |
PAP | Password Authentication Protocol |
PCB | Printed Circuit Board |
PD | Powered Device |
PDU | Protocol Data Unit |
PE | Provider Edge |
PHP | Penultimate Hop Popping |
PHY | Physical layer |
PIM | Protocol Independent Multicast |
PIM-DM | Protocol Independent Multicast-Dense Mode |
PIM-SM | Protocol Independent Multicast-Sparse Mode |
PKCS | Public Key Cryptography Standards |
PLR | Point of Local Repair |
PMTU | Path MTU |
PoE | Power over Ethernet |
Point-to-Point | Point-to-Point |
POP | Point Of Presence |
POS | Packet Over SDH |
PPP | Point-to-Point Protocol |
PPTP | Point to Point Tunneling Protocol |
PPVPN | Provider-provisioned Virtual Private Network |
PRC | Primary Reference Clock |
PRI | Primary Rate Interface |
PSB | Path State Block |
PSE | Power Sourcing Equipment |
PSNP | Partial SNP |
PVC | Permanent Virtual Channel |
PW | Pseudo wires |
Q |
QACL | QoS/ACL |
QoS | Quality of Service |
QQIC | Querier's Query Interval Code |
QRV | Querier's Robustness Variable |
R |
RA | Rate Adaptation |
RADIUS | Remote Authentication Dial in User Service |
RAM | random-access memory |
RB | Radio Bearer |
RD | Router Distinguisher |
RDS | Radius |
RED | Random Early Detection |
RFC | Request For Change |
RID | Router ID |
RIP | Routing Information Protocol |
RIPng | RIP next generation |
RM | Remote Manager |
RMON | Remote Monitoring |
ROM | Read Only Memory |
RP | Rendezvous Point |
RPF | Reverse Path Forwarding |
RPR | Resilient Packet Ring |
RPT | RP-rooted shared tree |
RS | Regenerator Section |
RSA | Remote RSA Interface Board |
RSB | Reservation State Block |
RSOH | Regenerator Section Overhead |
RST | Regenerator Section Termination |
RSTP | Rapid Spanning Tree Protocol |
RSVP | Resource ReserVation Protocol |
S |
SA | Source Active |
SBM | SGSN Basic Module |
SCFF | Single Choke Fairness Frame |
SD | Signal Degrade |
SDH | Synchronous Digital Hierarchy |
SEL | Selector |
SETS | Synchronous Equipment Timing Source |
SF | Sampling Frequency |
SFM | Source-Filtered Multicast |
SFTP | Secure FTP |
Share-MDT | Share-Multicast Distribution Tree |
Site-of-Origin | Site-of-Origin |
SLA | Service Level Agreement |
SMB | System Management Board |
SMTP | Simple Mail Transfer Protocol |
SNAP | Sub Network Access Point |
SNMP | Simple Network Management Protocol |
SNP | Sequence Number Packet |
SNPA | Subnetwork Points of Attachment |
SOH | Section Overhead |
SONET | Synchronous Optical NETwork |
SOO | Site-of-Origin |
SP | Strict Priority Queueing |
SPE | Superstratum PE/Sevice Provider-end PE |
SPEC | Specification |
SPF | Shortest Path First |
SPT | Shortest Path Tree |
SSH | Secure Shell |
SSM | Spread Spectrum Modulation |
ST | Segment Type |
STM-1 | SDH Transport Module -1 |
STM-16 | SDH Transport Module -16 |
STM-16c | SDH Transport Module -16c |
STM-4c | SDH Transport Module -4c |
STP | Spanning Tree Protocol |
SVC | Signalling Virtual Connection |
Switch-MDT | Switch-Multicast Distribution Tree |
T |
TAC | Terminal Access Controller |
TACACS | Terminal Access Controller Access Control System |
TC | Topology Change |
TCP | Transmission Control Protocol |
TE | Terminal Equipment |
TEDB | TE DataBase |
TFTP | Trivial File Transfer Protocol |
TLS | Transparent LAN Service |
TLV | Type-Length-Value |
TPID | Tag Protocol Identifier |
TRIP | Trigger RIP |
TTL | Time to Live |
U |
UDP | User Datagram Protocol |
UPE | Underlayer PE or User-end PE |
URL | Uniform Resource Locators |
USM | User-Based Security Model |
V |
VCI | Virtual Channel Identifier |
VFS | Virtual File System |
VLAN | Virtual LAN |
VLL | Virtual Leased Lines |
VOD | Video On Demand |
VOS | Virtual Operate System |
VPDN | Virtual Private Data Network |
VPI | Virtual Path Identifier |
VPLS | Virtual Private Local Switch |
VPN | Virtual Private Network |
VRID | Virtual Router ID |
VRP | Versatile Routing Platform |
VRRP | Virtual Router Redundancy Protocol |
VSI | Virtual Switch Interface |
VT | Virtual Tributary |
W |
WAN | Wide Area Network |
WFQ | Weighted Fair Queuing |
WINS | Windows Internet Naming Service |
WLAN | wireless local area network |
WRED | Weighted Random Early Detection |
WRR | Weighted Round Robin |
WTR | Wait-to-Restore |
WWW | World Wide Web |
X |
XGE | Ten-GigabitEthernet |
