شرح منهج شبكات سيسكو - PDF to Chatbot
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Description:
-1- C C N A 2012 || 2008
شرح منهج شبكات سيسكو
CCNA
Cisco Certified Network Associate
الـمـدرب
ــإع ـداد
@ @
[email protected]
2008 / 1429 :
2012 / 1433 : flffi
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-2- C C N A 2012 || 2008
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-3- C C N A 2012 || 2008
The Contents The Contents
Ch1: Introduction To Network 4
Ch2/3: IP Subnetting 7
Ch4: Cisco Router 9
Ch5/6: IP Routing 12
Ch7: Access Lists ACL 18 [ ]
Ch8: Managing Cisco IOS Software 21
Ch9: Switching Layer 2 [ ] 24
Ch10: Virtual LANs VLAN 26 [ ]
Ch11: Network Address Translation
[ NAT]
29
Ch12: Wireless LAN WLAN [ ] 31
Ch13: Internet Protocol Version 6
[ IPv6]
33
Ch14: Wide Area Networking WA [ N] 37
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-4- C C N A 2012 || 2008
Chapter: 1
Introduction To Network
What’s Network ?
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Network is a group of computers connected with others to share data.
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-5- C C N A 2012 || 2008
# OSI-RM [ Open System Interconnection – Reference Model ] :
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app & protocol
6 Presentation data -
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5 Session data
HTTP-FTP-SMTP
DNS-TELNET
HTTPs-POP3
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open session on
the host
(1)
Application
4 Transport Segments TCP
HTTP-FTP
DNS- TELNET
UDP
TFTP-DNS
DHCP
-
Delivery method
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Transport
3 Network Packets IP – ARP 1-Router
2-Switch[L3]
Provide logical
address [address
for delivery on
network]
(3)
Internet
2 DataLink Frames
1-Bridge
2-NIC
3-Switch[L2]
Provide physical
address [MAC]
1 Physical Bits
LAN & WAN
TECHNOLGY 1-Hub
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-6- C C N A 2012 || 2008
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-7- C C N A 2012 || 2008
Chapter: 2/3
IP Subnetting
* What Is a Subnet?
A subnet is a physical segment of a network that is separated from the rest of the network by a router or routers.
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Contigous <== I4 class 93ووا subnet mask >أآ 9G نfiآ وإذا*
Summarization
Larger Network address – smaller Network address = ……
Router>enable OR en % وا ا E"%
Router#
User Mode
Privileged Mode
Router#disable %اوا LE%
Router>
You can go back from privileged mode into user mode
by using the disable command.
Router#config t مA-M=7H ل1ffl ا
Router(config)#
Terminal (any changes save in DRAM )
Memory (any changes save in NVRAM )
Network (any changes save in TFTP or FTP Server)
Router(config)#int f0/0 ص -M=7H ل1ffl ا
Router(config-if)#
Router(config-if)#exit ص -M=7Hا
وجH
Router(config)#end OR ^Z مA-M=7Hا
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Router#
Int = interface , f= fastethernet
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Editing and Help Features
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( Space ) QLT إذا
Router#config t
Router(config)#host yaser
yaser(config)#
"Hostname"
Router(config)#banner motd $ (( motd= Message of the day))
Hello. This router for center control $
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