Cisco NetAcad CCNA 200 301 Devices on the Same Network By CCIE Academy

Cisco NetAcad CCNA 200 301 Devices on the Same Network By CCIE Academy

======Topic Timeline======
⏱️TIMESTAMPS⏱️
00:00 CCIE Academy Intro
00:30 Cisco CCNA 200-301 NetAcad
00:50 Devices on the Same Network
01:23 Source IPv4 Address
01:43 Destination IPv4 Address
02:30 Source IPv4 Address and Destination IPv4 Address
02:50 Class C IP Address Network Portion
03:06 Same IP Network
03:20 Data Link Layer Ethernet Frame Header
03:40 Network Portion IP Packet Header
04:00 Switch

Topic
Devices on the Same Network
In this example we have a client computer, PC1, communicating with an FTP server on the same IP network.

Source IPv4 address – The IPv4 address of the sending device, the client computer PC1: 192.168.1.110.
Destination IPv4 address – The IPv4 address of the receiving device, FTP server: 192.168.1.9.
Notice in the figure that the network portion of both the source IPv4 address and destination IPv4 address are on the same network. Notice in the figure that the network portion of the source IPv4 address and the network portion of the destination IPv4 address are the same and therefore; the source and destination are on the same network.

The figure shows the data link Ethernet frame header and network layer IP packet header for information flowing from a source to a destination on the same network. At the bottom is a network topology. Starting at the left, it consists of PC1 with IP address 192.168.1.110 and MAC address AA-AA-AA-AA-AA-AA, an FTP server with IP address 192.168.1.9 and MAC address CC-CC-CC-CC-CC-CC, and another PC, all connected to the same switch. In the middle of the topology is a string of three routers to which the switch is connected. At the right is another switch connected to a server. Above the topology is the message broken down into its various components. It begins on the left with the data link Ethernet frame header showing a destination of CC-CC-CC-CC-CC-CC and a source of AA-AA-AA-AA-AA-AA. Next is the network layer IP packet header showing a source of 192.168.1 (network) 110 (host) and a destination of 192.168.1 (network) 9 (host). Lastly is the data.

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