CCNA Grundlagen

CCNA Grundlagen

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Dokumentation CCNA 640-802 ICND 1 & ICND 2

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Inhaltsverzeichnis TCP/IP- und OSI-Referenzmodell ........................................................................................................... 4 ISO OSI-Referenzmodell ......................................................................................................................... 6 Datenverkapselung .................................................................................................................................. 8 Ethernet ................................................................................................................................................... 8 WLAN .................................................................................................................................................... 10 Internet Protocol (IP) ............................................................................................................................. 14 Die Subnet Mask ................................................................................................................................... 17 Subnetting ............................................................................................................................................. 17 TCP und UDP ........................................................................................................................................ 18 Segmentierung der Daten ..................................................................................................................... 21 Route Summarization (Routen Zusammenfassung) ............................................................................. 22 Switching ............................................................................................................................................... 23 Optionale STP Features ........................................................................................................................ 25 Rapid Spanning Tree (RSTP IEEE 802.1w) .......................................................................................... 27 VLAN und Trunking ............................................................................................................................... 27 Trunking ................................................................................................................................................. 28 VLAN Trunking Protokoll - VTP ............................................................................................................. 29 Multisubnetzanbindung über Trunks ..................................................................................................... 29 Routing .................................................................................................................................................. 31 Ziele eines Routing Protokolls ............................................................................................................... 31 Routing Protokolle ................................................................................................................................. 31 Security .................................................................................................................................................. 37 Network Address Translation (NAT) ...................................................................................................... 38 CDP - Cisco Discovery Protocol ............................................................................................................ 46 VPN ....................................................................................................................................................... 47 IPv6........................................................................................................................................................ 49 Passwort Recovery.............................................................................................................