Chapter 2: Encap + Ethernet

Ethernetworking
1. Collision Domain
  1. CSMA/CD
    1. Jam signal
    2. Backoff Timer
    3. Half-Duplex
2. Broadcast Domain
3. Ethernet Cabling
  1. UTP
    1. CAT
      1. 5
        100 Mbps
      2. 5e
        1000 Mbps
      3. 6
        10Gbps
        55 Meter
      4. 7
        Nvt
      5. 3
        10 Mbps
      6. 6a
        10 Gbps
        100 Meter
      7. 7a
        Nvt
    2. Rolled/Role-over
    3. Crossover
      1. 1-3
      2. 2-6
      3. 4-7
      4. 5-8
    4. Straight Through
    5. 10Base
      1. T
        IEEE 802.3
        10Mbps
        CAT 3
    6. 100Base
      1. TX
        IEEE 802.3u
        CAT 5, 5e, 6
        2 Twisted pair
    7. 1000Base
      1. T
        IEEE 802.3ab
        CAT 5
        4 twisted pair
        1Gbps
    8. 10GBase
      1. T
        IEEE 802.3an
        10 Gbps
        CAT 6 of 7
    9. RJ45
    10. 100 Meter
  2. Fiber
    1. Multimode
    2. Singlemode
    3. Kabel
      1. Core
        Micron
      2. Cladding
      3. Buffer
        Micron
    4. 100Base
      1. FX
        IEEE 802.3u
        Multimode
        412 Meter
        ST en S C connectors
        62.5 t/m 125 Micron
    5. 1000Base
      1. SX
        IEEE 802.3z
        Multimode
        220 Meter
        62,5 Micron
        550 Meter
        50 Micron
        850Nm Laser
        1 Gbps
      2. LX
        IEEE 802.3z
        Singlemode fiber
        9 Micron
        1300Nm Laser
        3-10 Kilometer
      3. ZX
        Cisco Standaard
        Singlemode fiber
        70 Kilometer
        1Gbps
4. Mac Address
  1. I/G
    1. 1
      1. Broadcast
      2. Multicast
    2. 0
      1. Host
  2. G/L
    1. 1
      1. Local
    2. 0
      1. Global
  3. OUI
    1. Door IEEE toegewezen per fabrikant
  4. Vendor Assigned
    1. Fabrikant mag dit zelf invullen moet UNIEK zijn!
5. Auto-detect mechanism
  1. Half-duplex
    1. 1 Twisted pair
  2. Full-duplex
    1. 2 Twisted pair
Data Encapsulation
1. 4. Transport layer
  1. Segment
    1. TCP Header
      1. Source port
      2. Destination port
    2. Data
2. 3. Network layer
  1. Packet
    1. IP Header
      1. Source IP
      2. Destination IP
      3. Protocol
    2. Segment
3. 2. Data Link layer
  1. Frame
    1. Preamble
      1. Hallo! Hier komt een frame
    2. SFD
      1. Hoort bij Preamble (denk aan PAR2)
    3. Destination Address
      1. Mac address
        Host
        Multicast
        Broadcast
    4. Source Address
      1. Mac address
        Host
    5. Type
      1. Network layer (3) protocol
        IPv4
        IPv6
    6. FCS
      1. CRC
        Uitkomst van rekensom (error detection)
    7. Packet
      1. Segment
        Data
4. 1. Physical layer
  1. Bits
    1. 1
    2. 0
Cisco 3-layer Hierarchical Model
1. Core Layer
  1. Grote hoeveelheid gegevens
  2. Zéér snelle verbindingen
  3. Redundant links is verantwoord
  4. Don'ts
    1. Niks doen wat snelheid verlaagd
    2. Geen workgroup access
    3. Nooit uitbreiden!
  5. Korte latency
  6. Routing protocols met lage convergence
2. Distribution Layer
  1. Workgroup Layer
  2. Routing
    1. Redistribution between routingprotocols
    2. Static routing
    3. Inter VLAN Routing
  3. WAN Access
  4. Tools
    1. Packet Filtering
    2. ACL
    3. Queuning
  5. Security
    1. Policies
    2. Firewalls
  6. Domains
    1. Broadcast
    2. Multicast
3. Access Layer
  1. Geeft Users toegang tot netwerk
  2. ACL
  3. Policies
  4. Collision Domains

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Chapter 2: Encap + Ethernet

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