CHAPTER ONE
Quality of Service (QoS)
Address Resolution Protocol (ARP)
VLAN ACL (VACL)
Broadcast domain control
Virtual Private Network (VPN)
Adaptive Security Appliance (ASA)
Intrusion Protection System (IPS)
IPSec
Frame Relay
Asynchronous Transfer Mode (ATM)
Multiprotocol Label Switching (MPLS)
Single-homed
Dual-homed
Multihomed
Dual-multihomed
Bring Your Own Device (BYOD)
Cisco Borderless Network Architecture
CHAPTER TWO
Telecommunications Industry Association/
Electronics Industries Alliance (TIA/EIA)
International Organization for Standardization
(ISO)
Institute of Electrical and Electronics Engineers
(IEEE)
American National Standards Institute (ANSI)
European Telecommunications Standards
Institute (ETSI)
International Telecommunications Union (ITU)
Point to point protocol (PPP)
High-Level Data Link Control (HDLC)
Integrated Services Digital Network (ISDN)
Metro Ethernet (MetroE)
Ethernet over MPLS (EoMPLS)
Virtual Private LAN Service (VPLS)
WiMax
Municipal WiFi
Satellite Internet
3G/4G
Long-Term Evolution (LTE)
Customer-Premises Equipment (CPE)
Demarcation point
Customer edge (CE)
Provider edge (PE)
Point of presence (PoP)
Data Communications Equipment (DCE)
Data Terminal Equipment (DTE)
Channel Service Unit/Data Service Unit
(CSU/DSU)
Very Small Aperture Terminal (VSAT)
Digital Subscriber Line Access Multiplexer
(DSLAM)
Cable modem
Broadband modem
Dialup modem
Access server
Local loop
Central office (CO)
Toll network
Synchronous Optical Networking (SONET)
-ANSI standard
Synchronous Digital Hierarchy (SDH)
-ETSI/ITU standard
Light Emitting Diode (LED)
Dense Wave Division Multiplexing (DWDM)
T-carrier
Time Division Multiplexing (TDM)
Basic Rate Interface (BRI)
Primary Rate Interface (PRI)
Circuit-switched
Packet-switched
Dedicated circuit
Virtual circuit (VC)
Switched virtual circuit (SVC)
Permanent virtual circuit (PVC)
CHAPTER THREE
RS-232
V.35
High-Speed Serial Interface (HSSI)
EIA/TIA-232
EIA/TIA-449
EIA-TIA-530
X.21
DB-60
Multiplexer (MUX)
Statistical Time Division Multiplexer (STDM)
Network Terminating Unit (NTU)
Null modem
Transmit (Tx)
Receive (Rx)
Optical Carrier (OC)
Digital Signal Level (DS)
DS0 = 64 kbps
24 DS0 = T1 = 1.544 Mbps
28 DS1 = T3 – 44.736 Mbps
OC-1 = 51.84 Mbps
OC-N = N x 51.84 Mbps
Serial Line Internet Protocol (SLIP)
X.25/ Link Access Procedure Balanced (LAPB)
Encapsulation hdlc
Encapsulation ppp
Show interfaces serial
Show controllers
Link Control Protocol (LCP)
Network Control Protocol (NCP)
Password Authentication Protocol (PAP)
Challenge-Handshake Authentication Protocol
(CHAP)
IP Control Protocol (IPCP)
IPv6 Control Protocol (IPv6CP)
Phase 1 – Link establishment
Phase 2 – Determine link quality
Phase 3 – Network control negotiation
Compression – Stacker or Predictor
Multilink PPP (MPPP, MLP, or just Multilink)
Ppp callback
Ppp compress predictor | stack
Ppp quality percent
Link Quality Monitoring (LQM)
Interface multilink number
Ppp authentication pap | pap chap | chap pap |
chap
Debug ppp
Packet
Negotiation
Error
Authentication
Compression
CHAPTER FOUR
Frame Relay Concepts
Leased line
Access rate
Committed information rate (CIR)
Bursting
Committed burse size (Bc)
Excess burst size (Be)
Discard eligible (DE)
Explicit congestion notification (ECN) bits
Forward explicit congestion notification (FECN)
Backward explicit congestion notification
(BECN)
Data Link Connection Identifier (DLCI)
Dynamic mapping
Static mapping
Inverse ARP
(config-if)# frame-relay interface-dlci number
(config-if)# frame-relay map protocol protocoladdress dlci [broadcast]
Local Management Interface (LMI)
Cisco
Ansi
Q933a
(config-if)# encapsulation frame-relay cisco|ietf
(config-if)# frame-relay lmi-type cisco | ansi |
q933a
(config-if)#interface serial interfacenumber.subinterface-number multipoint |
point-to-point
Show frame-relay lmi | map | pvc
Clear frame-relay counters |inarp
CHAPTER FIVE
Network Address Translation (NAT)
Regional Internet Registry (RIR)
Internet Engineering Task Force (IETF)
Request for Comment (RFC) 1918
10.x.x.x
172.16.x.x – 172.31.x.x
192.168.x.x
Stub network
Inside local – original address
Inside global –address after NAT
Outside local – destination address
Outside global – destination (does not change)
Inside/outside – location of the device
Local/global – addres,sing on the packet
Static NAT
Dynamic NAT
Port Address Translation (PAT)
Overload
NAT pool
Port forwarding
Tunneling
Single Address Static
(config)# ip nat inside source static local-ip
global-ip
Dynamic Pool (one-to-many or many-to-many)
(config)# access-list number permit source-ip
wildcard
(config)# ip nat pool pool-name start-ip end-ip
network netmask
(config)# ip nat inside source list acl-number
pool pool-name
Single Overload (many-to-one)
(config)# access-list number permit source-ip
wildcard
(config)# ip nat inside source list acl-number
interface if-number overload
Dynamic Pool Overload (many-to-many)
(config)# access-list number permit source-ip
wildcard
(config)# ip nat pool pool-name start-ip end-ip
network netmask
(config)# ip nat inside source list acl-number
pool pool-name overload
Port Forwarding
(config)# ip nat source static tcp | udp local-ip
local-port global-ip global port [extendable]
In All Cases …
(config-if)# ip nat inside
(config-if)# ip nat outside
Show ip nat translations
Show ip nat statistics
Clear ip nat translations
Clear ip nat statistics
Debug ip nat
CHAPTER SIX
Cable TV (CATV)
Hybrid fiber-coaxial (HFC)
Downstream
Upstream
Data Over Cable Service Interface Specification
(DOCSIS)
Time-Division Multiple Access (TDMA)
Synchronous Code Division Multiple Access (SCDMA)
Frequency-Division Multiple Access (FDMA)
Cable modem (CM)
Cable modem termination system (CMTS)
Asymmetric Digital Subscriber Line (ADSL)
Symmetric DSL (SDSL)
Transceiver (DSL modem)
DSL Access Multiplexer (DSLAM)
Network interface device (NID)
PPP over Ethernet (PPoE)
CHAPTER SEVEN
Virtual Private Network (VPN)
Generic Routing Encapsulation (GRE)
Site-to-site
Remote access
Passenger protocol
Carrier protocol
Transport protocol
Show interface Tunnel 0
IPSec
Confidentiality
Integrity
Authentication
Digital Encryption Standard (DES)
3DES
Advanced Encryption Standard (AES)
Rivest-Shamir-Adelman (RSA)
Internet Key Exchange (IKE)
Asymmetric key = public key
Symmetric key
Diffie-Hellman (DH)
DH group
OAKLEY
Hash-based Message Authentication Code
(HMAC)
MD5
SHA-1 (or higher)
Pre-shared key (PSK)
RSA signature
Certificate authority (CA)
Digital signature algorithm (DSA)
Authentication header (AH)
Encapsulating security payload (ESP)
Secure sockets layer (SSL)
Cisco AnyConnect
Cisco Easy VPN Server/Remote/Client
CHAPTER EIGHT
Syslog
Simple Network Management Protocol (SNMP)
NetFlow
Flexible NetFlow
Network Time Protocol (NTP)
Syslog destination options –
Logging buffer (RAM)
Console line
Terminal line
Syslog server
Syslog Severity Level
Severity
Severity
Explanation
Name
Level
Emergency
Level 0
System Unstable
Alert
Level 1
Immediate Action
Needed
Critical
Level 2
Critical Condition
Error
Level 3
Error Condition
Warning
Level 4
Warning Condition
Notification
Level 5
Normal but
Significant
Condition
Information
Level 6
Information
Message
Debugging
Level 7
Debugging
message
(config)# service timestamps log uptime
(config)# service timestamps datetime
(config)# ntp master 1
(config)# ntp server ip-address
Show logging
(config)# logging trap severity-level
(config)# logging trap severity-name
(config)# logging source interface if-number
SMNP manager, agents
Management Information Base (MIB)
Network management system (NMS)
Get, set, trap
SNMP, v1, v2, v3
Community string
Read-only (ro)
Read-write (rw)
Object ID (OID)
NetFlow
Ip flow ingress
Ip flow egress
Flow-export destination ip-address udp-port
flow-export version number
CHAPTER NINE
Show version
Show ip interface [brief]
Show ipv6 interface [brief]
Show ip route
Show ipv6 route
Show arp
Show ipv6 neighbors
Show running-config
Show port
Show vlan
Show tech-support
Show cdp neighbors [detail]
Shop ip access-lists
WhatsUp Gold
Cisco View
HPBTO (was OpenView)
SolarWinds
Baselining
Netowrk Analysis Module (NAM)
Digital multimeter
Cable tester
Time-domain reflectometer (TDR)
Cable analyzer
Portable network analyzer
Noise
Attenuation
Flapping