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Characterizing the existing internetwork - Coggle Diagram
Characterizing the existing internetwork
Infrastructure
Logical
Modularity
Hierachy
Topology
Physical
Health
Bandwidth Utilization
By Protocol
Absolute Network Utilization
Broadcast Rate
Relative Network Utilization
Multicast Rate
Performance
Availability
Date & Duration of last major Downtime
Cause of Last Major Downtime
MTTR
Fix for Last Major Downtime
MTBF
Response time
Accuracy
Efficiency
Status of Major Router, Switches, Firewall
Show
Memory
Processes
Interfaces
Running-config
Buffers
Version
Environment
Issues for Wireless Installations
Reflection
Refraction
Absorption
Diffraction
Tools
Protocol analyzer
Multi Router Traffic Grapher (MRTG)
Remote monitoring (RMON) probes
Cisco Discovery Protocol (CDP)
Cisco IOS NetFlow tchnology
CiscoWorks
Wiring & media
Wiring / Wireless technology
Coaxial cable
Laser
Infrared
Shielded twisted-pair (STP) copper
Sigle-mode fiber
Multimode fiber
Unshielded twisted-pair (UTP) copper
Microwave
Radio
Types
Vertical
Runs from one floor to another
Horizontal
Runs from a wiring closet to a wallplate
Work Area Wiring
Runs from a wallplate to a host you are connecting to a network
Architectural & environmental constraint
Architectural elements
Ventilation
Power
Heating
Protection from electromagnet interference
Air Conditioning
Doors that can lock
space
Patch panels
Equipment racks
Cabling conduits
Work areas for technicians installing and troubleshooting equipment
Addressing & Naming
IP Address
Addressing Oddities
Discontiguous subnets
Naming Strategy
Example (airport code) : San Francisco = SFO
