H3C network technology acronyms # A B C D E F G H I K L M N O P Q R S T U V W X Z 10GE Ten-GigabitEthernet 1DM One-way Delay Measurement 3DES Triple Data Encryption Standard 6PE IPv6 Provider Edge A Return AAA Authentication, Authorization and Accounting AAL ATM Adaptation Layer AAL5 ATM Adaptation Layer 5 ABR Area Border Router AC Attachment Circuit AC Access Controller AC Access Category AC Name Access Controller 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 AD Active Directory ADM ATM Direct Mapping ADPCM Adaptive Differential Pulse Code Modulation 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 1 AFI Authority and Format Identifier AFT Address Family Translation AFTR Address Family Transition Router AH Authentication Header AIFSN Arbitration Inter Frame Spacing Number 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 APP Application Protocol APPN Advanced Peer-to-Peer Networking 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 2 AVP Attribute Value Pair B Return B4 Basic Bridging BroadBand B8ZS Bipolar 8-zero substitution BA Block Acknowledgment BAS Broadband Access Server BB_Credit Buffer-to-Buffer Credit BC Bandwidth Constraint BC Boundary Clock BCB Backbone Core Bridge 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 BIDIR-PIM Bidirectional Protocol Independent Multicast BIMS Branch Intelligent Management System BIP Broadcast Integrity Protocol BIP Bit-Interleaved Parity BITS Building Integrated Timing Supply System B-MAC Backbone MAC BMC Best Master Clock 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 3 B-VLAN Backbone VLAN C 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 CB Customer Bridge CBQ Class Based Queuing CBR Constant Bit Rate CBS Committed Burst Size C-BSR Candidate-BSR CBT Core-Based Tree CBWFQ Class Based Weighted Fair Queuing CC Control Channel CC Call Control CC Continuity Check CC Common Criteria CCA Clear Channel Assessment CCC Circuit Cross Connect CCM Continuity Check Message 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 CHAP Challenge Handshake Authentication Protocol 4 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 Calling Line Identification CLI Command Line Interface CLNP Connection-Less Network Protocol CLP Cell Loss Priority CMC Call Management Center CNG Comfortable Noise Generation CNG Calling Tone CNGCED Calling Tone CO Central Office COPS Common Open Policy Service CoS Class of Service CPE Customer Premises Equipment CPOS Channelized POS CPS Certification Practice Statement CPTone Call Progress Tone CQ Custom Queuing CR Constraint-based Routing 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 CSPF Constraint-based Shortest Path First CST Common Spanning Tree CT Class Type CTR Counter mode CTS Clear to Send 5 CUG Closed User Group CV Connectivity Verification CWMP CPE WAN Management Protocol D Return DAC Digital to Analog Converter DAD Duplicate Address Detection DAE Dynamic Authorization Extensions DAR Deeper Application Recognition 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 DE Discard Eligibility DED Designated Edge Device 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 6 DMC Device Management Controller DMM Delay Measurement Message DMR Delay Measurement Reply DMZ Demilitarized Zone DN Directory Number DN Distinguished Name DNAT Destination Network Address Translation DND Do-not Disturb DNS Domain Name System DNU Do Not Use for synchronization DoD Downstream On Demand DoS Denial of Service DP Drop Profile DPD Dead Peer Detection DR Designated Router DRB Designated Routing Bridge DRE Data Redundancy Elimination 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 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 E Return E2ETC End-to-End Transparent Clock EAA Embedded Automation Architecture 7 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 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 EEE Energy Efficient Ethernet EF Expedited Forwarding EFM Ethernet First Mile EGP Exterior Gateway Protocol EID Endpoint Identifier EIRP Effective Isotropic Radiated Power EM Event Monitor EMO Endpoint Mobile Office ENDC EVI Neighbor Discovery Client ENDC Enhanced Neighbor Discovery Client End-Of-RIB End of Routing-Information-Base ENDP EVI Neighbor Discovery Protocol ENDP Enhanced Neighbor Discovery Protocol ENDS EVI Neighbor Discovery Server ENDS Enhanced Neighbor Discovery Server ENUM Telephone Number Mapping EOAM Ethernet Operation, Administration and Maintenance EoPW Ethernet over Pseudo Wire 8 EPC External Path Computation ER Edge Relay ERPS Ethernet Ring Protection Switching ERT Export Route-target ES End System ESF Extended Super Frame ESMC Ethernet Synchronous Message Channel ESN Extended Sequence Number ESP Encapsulating Security Payload ESS Exchange Switch Support ESS Extended Service Set 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