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Summary

Samenvatting Networking

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In dit document staat de cursus Networking samengevat. Het gaat hier over meer gevorderde netwerkconcepten zoals het scalen van VLAN's, STP en meer routing protocols. Er wordt hier gesproken over LAN design, VLAN's, STP, EtherChannels, Dynamic routing protocols (EIRP, OSPF) en wireless LAN's. Di...

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  • October 3, 2022
  • 36
  • 2021/2022
  • Summary
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Electronica-ICT




NETWORKING




Cisco knows everything, sees everything

,Networking Elektronica-ICT


Inhoudstabel
Chapter 1: LAN Design ...................................................................................................... 3
1.1 Wired LAN Design .......................................................................................................................... 3
1.2 Selecting network devices ............................................................................................................. 4
Chapter 2: Scaling VLANs .................................................................................................. 5
2.1 VTP ................................................................................................................................................. 5
2.2 DTP ................................................................................................................................................ 8
2.3 Layer 3 switching ........................................................................................................................... 8
Chapter 3: STP .................................................................................................................. 9
3.1 Spanning Tree Concepts ................................................................................................................ 9
3.2 STP operation ................................................................................................................................ 9
3.3 STP versions ................................................................................................................................. 12
3.4 Advanced STP features ................................................................................................................ 14
Chapter 4: Link Aggregation ............................................................................................ 15
4.1 EtherChannel ............................................................................................................................... 15
4.2 EtherChannel Management Protocols ........................................................................................ 16
4.3 First Hop Redundancy ................................................................................................................. 17
Chapter 5: Dynamic Routing ............................................................................................ 18
5.1 Dynamic Routing Protocols ......................................................................................................... 18
5.2 Distance Vector Dynamic Routing ............................................................................................... 19
5.3 Link-State Dynamic Routing ........................................................................................................ 20
Chapter 6: Enhanced Interior Gateway Protocol (EIGRP) .................................................. 20
6.1 Karakteristieken van EIGRP ......................................................................................................... 20
6.2 Operatie van EIGRP ..................................................................................................................... 21
Chapter 7: Advanced EIGRP ............................................................................................. 23
Chapter 8: OSPF .............................................................................................................. 23
8.1 Karakteristieken van OSPF........................................................................................................... 23
8.2 Metric .......................................................................................................................................... 24
8.3 Netwerk types ............................................................................................................................. 24
Chapter 9: Multiarea OSPF .............................................................................................. 25
9.1 Introductie ................................................................................................................................... 25
9.2 Multiarea ..................................................................................................................................... 25
Chapter 10: Wireless LAN’s ............................................................................................. 26
10.1 Wireless Technology.................................................................................................................. 26
10.2 CSMA/CA ................................................................................................................................... 27


1

,Networking Elektronica-ICT

10.3 Wireless LAN standards ............................................................................................................. 28
10.4 Wireless Concepts ..................................................................................................................... 29
10.5 Wireless LAN Market ................................................................................................................. 29
10.6 Design Goals .............................................................................................................................. 29
APPENDIX 1: Commando’s .............................................................................................. 30
Chapter 01 ......................................................................................................................................... 30
Chapter 02 ......................................................................................................................................... 30
Chapter 03 ......................................................................................................................................... 31
Chapter 04 ......................................................................................................................................... 31
Chapter 05&06 .................................................................................................................................. 32
Chapter 07 ......................................................................................................................................... 33




2

, Networking Elektronica-ICT


Chapter 1: LAN Design
1.1 Wired LAN Design
1.1.1 Nood Aan Scaling
Wanneer netwerken uitbreiden, moeten ze steeds volgende zaken blijven ondersteunen:
• Meer applicaties hebben een betrouwbaar netwerk nodig om goed te kunnen
functioneren
• Op het netwerk moet er veel verschillende soorten verkeer werken
• Netwerk is essentieel voor veel bedrijven om te functioneren
• Voor de netwerkbeheerder is het belangrijk om een overzicht te houden en om
gecentraliseerde controle te hebben
Om deze zaken te kunnen realiseren, wordt het netwerk vaak opgesplitst in verschillende
lagen.


1.1.2 Network Layers




De acces layer bevat de eindgebruikers. Deze connectie kan vaak draadloos zijn. De
connectie van de acces switches naar de andere apparaten zal echter wel altijd bedraad zijn.
Enkele typische zaken voor de acces layer zijn:
• Port security
• VLAN’s
• Snelheden: Fast Ethernet / Gigabit Ethernet
• Andere zaken: Power Over Ethernet, Link Aggregation en Qualtiy of Service
De distribution layer zorgt ervoor dat alle devices zo snel mogelijk met elkaar contact
kunnen maken. Enkele belangrijke zaken voor de distribution layer zijn:
• Layer 3 support: (inter-VLAN) routing & broadcastcontainment
• Hoge forwarding snelheid
• Snelheden: Gigabit Ethernet / 10Gigabit Ethernet
• Redundancy: alternatief pad voorzien
• Security: ACL’s
• Andere zaken: Link Aggregation, Qualtiy of Service

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