ICND1 Introduction 0-2 ICND1 Interconnecting Cisco Network Devices part 1 OSI Open System Interconnections (model) LAN Local Area Network RF Radio Frequency TCP/IP Transmission Control Protocol/Internet Protocol WAN Wide Area Network PPP Point-to-Point Protocol PAT Port Address Translation RIP Routing Information Protocol CLI Command Line Interface 0-6 CCIE Cisco Certified Internetwork Expert CCNA Cisco Certified Network Assosiate CCDA Cisco Certified Design Assosiate CCNP Cisco Certified Network Professional CCDP Cisco Certified Design Professional CCIP Cisco Certified Internetwork Professional CCVP Cisco Certified Voice Professional CCSP Cisco Certified Security Professional 0-7 CCENT Cisco Certified Entry Network Technician 0-9 WLAN Wireless LAN Module 1 1-1 IP Internet Protocol TCP Transmission Control Protocol 1-6 PC Personal Computer RJ-45 Registered Jack-45 NIC Network Interface Card 1-7 SSH Secure Socket Shell Fa FastEthernet Con Console S serial DHCP Dynamic Host Configuration Protocol TFTP Trivial File Transfer Protocol 1-8 DAS Direct Attached Storage NAS Network Attached Storage SAN Storage Area Network 1-10 IE Internet Explorer IM Instant Messaging AOL America OnLine 1-12 FTP File Transfer Protocol VoIP Voice Over IP QoS Quality of Service 1-15 MTBF Mean Time Between Failures 1-25 DSL Dynamic Subscriber Link CSU/DSU Channel Service Unit/Digital Service Unit CATV CAble TeleVision CPE Customer Premises Equipment 1-29 CSI Computer Security Institute FBI (non-IT) Federal Burau of Invesigation US (non-IT) United States of America 1-32 PSTN Public Switched Telephone Network 1-35 DoS Denial Of Service 1-38 UPS Uninterruptable Power Supply ESD Electronic Components!?!? 1-40 OTP One-Time Password IATFF Information Assurance Technical Framework Forum NSA National Security Agency 1-45 ISO International Organization for Standarization 1-51 CoS Class of Service 1-52 EBCDIC Extended Binary Coded Decimal Interchange Code ASCII American Standard Code for Information Interchange 1-55 FCS Frame Check Sequence 1-57 PDU Protocol Data Unit 1-59 API Application Programming Interface 1-63 IPv6 IP Version 6 MAC Media Access Control (address) 1-64 DNS Domain Name System ID Identifier 1-70 IANA Internet Assigned Numbers Authority 1-73 RFC Request For Comment 1-74 InterNIC Internet Network Information Center ISP Internet Service Provider APNIC Asia Pacific Network Information Center ARIN American REgistry for Internet Network RIPE NCC Reséaux IP Européens Network Coordination Center NAT Network Address Translation CIDR Classless InterDomain Routing 1-75 IETF Internet Engineering Task Force 1-79 1-83 UDP User Datagram Protocol 1-86 URL Universal Resource Locator MTU Maximum Transmission Unit 1-87 RTT Round Trip Time 1-90 SNMP Simple Network Management Protocol NFS Network File System ULP Upper Layer Protocol 1-96 HTTP HyperText Transport Protocol 1-99 SEQ SEQuence number CTL ConTroL bits SYN Synchronization ACK Acknowledgment ISN Initial Sequence Number 1-106 CWS Congestion Window Size 107 WS Window Size 1-114 NOS Network Open System OSI Open System Interconnection (Protocol) 1-116 NSAP Network Service Access Point 1-117 ARP Address Resolution Protocol 1-133 ICMP Internet Control Message Protocol Ctrl Control 1-134 PMTU Path Maximum Tranmission Unit TOS Type Of Service 1-136 TTL Time To Live 1-139 IEEE Institute of Electrical and Electronic Engineers CSMA/CD Carrier Sense Multiple Access/Collision Detect 1-142 RARP Reverse ARP 1-144 SOHO Small Office Home Office 1-145 DEC Digital Equipment Company DIX Digital, Intel, Xerox 1-146 LLC Logical Link Control MAC Media Access Control (protocol) 1-149 SOF Start Of Frame 1-152 BIA Burnt-In Address OUI Orginizational Unique Identifier 1-158 IRQ Interrupt Request Line I/O Input/Output CPU Central Processing!?!? Unit 1-159 EIA/TIA Electronic Industry Alliance/Telecommunications Industry Association SP-2840 Standards Proposal UTP Unschielded Twisted Pair STP Schielded Twisted Pair MIC Media Interface Connector (physical) ST 10BASE-T Twisted pair 100BASE-TX Twisted pair 100BASE-FX Fibre 1000BASE-CX 1000BASE-T Twisted pair 1000BASE-SX Short wave 1000BASE-LX Long wave 1-161 GBIC GigaBit Interface Converter 1000BASE-LX/HX 1000BASE-ZX 1-162 EMI ElectroMagnetic Interference T1-T4 Tip (Transmit) R1-R4 Ring (Receive) 1-167 NC Not Connected Module 2 2-1 Cisco IOS CLI Command Line Interface 2-5 10BASE-FL 10BASE-CX 2-11 MIPS VoD Video On Demand 2-21 HR (non-IT) Human Resource VLAN Virtual LAN 2-27 NOS Network Operating System NSAP Network Service Access Point 2-40 POST Power On Self Test 2-41 UNIX ExEc executive 2-45 SSH Secure SHell 2-54 RAM Random Access Memory NVRAM Non Volatile RAM 2-58 LED Light Emitting Diode 2-60 CRC Cycling Redundancy Check 2-77 VTY Virtual TeletYpe 2-82 SSHv1 SSH version 1 SSHv2 SSH version 2 AAA Authentication, Authorization and Accounting TACACS+ Terminal Access Controller Access Control System Plus RADIUS Remote Authentication Dial-In User Service 2-91 STP Spanning Tree Protocol 2-108 TDR Time-Domain Reflectometer Module 3 3-3 ITU-R International Telecommunication Union-Radiocommunication sector FCC Federal Communications Commision wi-Fi WIreless FIdelity 3-4 IM Instant Messaging PDA Personal Digital Assistant 3-5 CSMA-CA CSMA-Collision Avoidance RF Radio Frequency RTS Ready To Send CTS Clear To Send 3-7 SNR Signal-to-Noise Ratio 3-8 ISM Industrial Scientific and Medical ETSI European Telecommunications Standars Institute WPA Wi-Fi Protected Access 3-9 NPCS MHz MegaHertz GHz GigaHertz PCS Personal Communication Services 3-10 EIRP Effective Isotropic Radiated Power DSSS Direct Sequence Spread Spectrum OFDM Orthogonal Frequency Division Multiplexing CCK Complementary Code Keying 3-16 WEP Wired Equivalent Privacy IPS Intrusion Prevention System IDS Intrusion Detection System 2-19 SSID Service Set ID EAP Extensible Authentication Protocol LEAP Lightweight EAP PEAP WPA2 WPA 2 3-20 T-KIP Temporal Key Integrity Protocol Cisco MIC Cisco Message Integrity Check AES Advanced Encryption Standard 3-23 CCMP Counter with CBC MAC Protocol 3-26 IBSS Independent Basic Service Set BSS Basic Service Set ESS Extended Service Set BSSID BSS ID 3-28 BSA Basic Service Area ESA Extended Service Area WZC Wireless Zero Configuration 3-31 GUI Graphical User Interface PSK Pre Shared Key UNII Unlicensed National Information Infrastructure 3-34 USB Universal Serial Bus 3-35 WMM Wi-Fi MultiMedia CAC Call Admission Control 3-37 FHSS Frequency Hopping Spread Spectrum Module 4 4-1 SDM Secure Device Manager 4-12 RIP Routing Information Protocol 4-13 SPF Shortest Path First OSPF Open Shortest Path First IS-IS Intermediate System-to-Intermediate System EIGRP Enhanced IGRP 4-17 LSB Least Significant Bit MSB Most Significant Bit IPv4 IP version 4 4-56 PAD Packet Assembler Disassembler BOOTP 4-57 NTP Network Time Protocol SPD Security Policy Database MOP Maintenance Operation Protocol SCP Secure Copy Protocol SNMP Simple Network Management Protocol 4-58 CBAC Context-Based Access Control 4-68 E1 T1 4-71 MOTD Message Of The Day 4-80 DCE Data Circuit terminating Equipment 4-96 ARPA Advanced Research Projects Agency SNAP Subnetwork Access Protocol SAP Session Announcement Protocol (protocol) ATM CLNS DECnet IPX SRB 4-106 RSA Rivest, Shamir and Adleman 4-107 UNIX 4-129 WINS 4-142 TEM Time Exceeded Message Module 5 5-1 HDLC High-level Data-Link Control 5-7 TIA EIA 5-8 DSU/CSU Data Service Unit/Channel Service Unit 5-9 CPE Customer Premises Equipment CO Central Office DTE Data Terminal Equipment 5-10 V.35 X.21 DB-60 WIC WAN Interface Card 5-11 DSL Dynamic Subscriber Line POP Point Of Presence 5-13 PSTN Public Switched Telephone Network 5-20 DSLAM DSL Access Modulator 5-21 ADSL Asymmetric DSL SDSL Symmetric DSL CDSL Consumer DSL VDSL Very-high data-rate DSL IDSL ISDN DSL ISDN Integrated Services Digital Network 5-23 DBS Direct Broadcast Sattelite LEC Local Exchange Carrier MSO Multiple Service Operator MCNS Multiple Cable Nework System partners ltd. CATV Cable TV 5-24 MIT Massachusetts Institute of Technology UCLA University of California, Los Angeles ARPANET Advanced Reseach Projects Agency NETwork 5-25 HTML HyperText Markup Language 5-30 SA Source Address DA Destination Address 5-34 PPPoE PPP over Ethernet ACL Access Control List 5-51 ICND2 Interconnecting Cisco Network Devices 2 5-54 POTS Plain Old Telephone System 5-56 TDM Time Division Multiplexing 5-57 PDH Plesiochronous Digital Hierarchy OC Optical Carrier SDH Synchronous Digital Hierarchy DS0 Digital Signal level 0 DS1 Digital Signal level 1 5-64 LCP Link Control Protocl NCP Network Control Programs 5-65 HSSI High-Speed Serial Interface 5-66 ISCW Implementing Secure Converged WANs 5-70 X.25/LAPB Link Access Procedure Balanced PVC Permanent Virtual Circuit SVC Switched Virtual Circuit VC Virtual Circuit 5-71 DLCI Data-Link Connection Identifier 5-72 VPI/VCI Virtual Path Identifier/Virtual Circuit Identifier SONET DS3 Digital Signal level 3 5-77 IGP Interior Gateway Protocol EGP Exterior Gateway Protocol IGRP Interior Gateway Routing Protocol BGP Border Gateway Protocol 5-82 VLSM Variable Length Subnet Mask RIPv2 RIP version 2 Module 6 6-3 CDP Cisco Discovery Protocol 6-19 FDDI Fiber Distributed Data Interface 6-20 ROMMON ROM MONitor 6-32 Cisco IFS Cisco IOS File System 6-38 RCP Remote Copy Protocol 6-46 BSD Berkley SOftware Distribution ICND2 Introduction Module 1 Module 2 2-3 VTP VLAN Trunking Protocol 2-11 BPDU Bridge Protocol Data Unit RMON Remote MONitoring 2-12 IP/TV Internet Protocol/Television SMB server Message Block NCP Netware Core Protocol SQL Structured Query Language 2-15 VMPS VLAN Management Policy Server VID VLAN ID 2-29 DTP Dynamic Trunking Protocol 2-32 MSTP Multiple STP 2-35 SAID Security Association ID 2-41 RSTP Rapid Spanning Tree Protocol 2-53 PVST+ Per VLAN Spanning Tree + 2-55 BID Bridge ID 2-63 CST Common Spanning Tree 2-65 PVRST+ Per VLAN Rapid Spanning Tree + 2-66 MSTP Multiple Spanning Tree Protocol 2-82 ACL Access Control List 2-84 SSH Secure SHell MD5` Message Digest 5 SSHv1 SSH Version 1 SSHv2 SSH Version 2 2-86 DoS Denial Of Service 2-90 EAPOL Extensible Authentication Protocol Over LAN Windows XP !?!?!? RADIUS !?!?!? EAP Extensible Authentication Protocol 2-102 VTPv1 VTP Version 1 VTPv2 VTP Version 2 2-103 VTPv3 VTP Version 3 Module 3 Module 4 4-4 LSA Link State Advertisement 4-5 NSSA Not So Stubby Area ABR Area Border Router 4-6 ASBR Autonomous System Border Router 4-8 DR Designated Router BDR Backup Designated Router Module 5 5-4 DUAL Diffusing Update ALgorithm 5-8 AS Autonomous System 5-39 TAC (Cisco) Technical Assistance Center Module 6 6-6 VPN Virtual Private Network 6-19 CAR Committed Access Rate SLA Service Level Agreement Module 7 7-39 NAT-PT NAT-Protocol Translation IANA 7-46 ARCnet Attached Resource Computer network NBMA NonBroadcast Multiple Access LANE atm LAN Emulation 7-47 VoD Video On Demand EUI-64 Extended Unique Identifier-64 DHCPv6 DHCP for IPv6 7-56 ISATAP Intra-Site Automatic Tunnel Addressing Protocol 7-62 RIPng RIP New Generation Module 8 8-1 telco TELephone COmpany 8-3 IPsec IP SECurity 8-6 SSL Secure Socket Layer ASA (Cisco) Adaptive Security Appliance 8-9 XAUTH eXtended AUTHentication ISAKMP Internet Security Association and Key Management Protocol DH Diffie Hellman IKE Internet Key Exchange ESP-DES ESP-3DES ESP-NULL ESP-SHA-HMAC ESP-MD5-HMAC AH Authentication Header ESP Encapsulation Security Payload 8-10 WebVPN web based VPN DMVPN Dynamic Multipoint VPN CRM Customer Relationship Management DES Data Encryption Standard 3DES 3 DES HMAC Hashed Message Authentication Code HMAC-MD5 HMAC MD5 HMAC-SHA1 HMAC Secure Hash Algorithm 1 8-27 PPPoA PPP Over ATM AAL5 ATM Adaption Layer 5 RPR REsilient Packet Ring 8-29 PAP PPP Authentication Protocol CHAP Challenge Handshake Authentication Protocol 8-44 CIR Committed Information Rate DE Discard Eligible FECN Forward Explicit Congestion Notification BECN Backward Explicit Congestion Notification 8-48 LMI Local Management Interface 8-49 ANSI American National Standard Instutute ITU-R International Telecommunication Union-Telecommunication