Making connections Connecting a computer to a LAN donna Bair-Mundy.
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Transcript of Making connections Connecting a computer to a LAN donna Bair-Mundy.
![Page 1: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/1.jpg)
Making connections
Connecting a computer to a LAN
donna Bair-Mundy
![Page 2: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/2.jpg)
Network Interface Card
![Page 3: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/3.jpg)
Network Interface Card - pc
![Page 4: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/4.jpg)
Network Interface Card - pc
![Page 5: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/5.jpg)
Network Interface Card - laptop
![Page 6: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/6.jpg)
Assigning IP address
![Page 7: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/7.jpg)
Assigning IP address
![Page 8: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/8.jpg)
Assigning IP address
![Page 9: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/9.jpg)
Assigning IP address
![Page 10: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/10.jpg)
Assigning IP address
![Page 11: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/11.jpg)
Assigning IP address
![Page 12: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/12.jpg)
Assigning IP address
![Page 13: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/13.jpg)
Assigning IP address
![Page 14: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/14.jpg)
Assigning IP address
![Page 15: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/15.jpg)
Assigning IP address
![Page 16: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/16.jpg)
Assigning IP address
![Page 17: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/17.jpg)
Assigning IP address
![Page 18: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/18.jpg)
Assigning IP address
![Page 19: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/19.jpg)
Finding DNS server
![Page 20: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/20.jpg)
Finding DNS server
![Page 21: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/21.jpg)
Finding DNS server
![Page 22: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/22.jpg)
Finding DNS server
![Page 23: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/23.jpg)
DNS server
![Page 24: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/24.jpg)
DHCP (Dynamic Host Configuration Protocol)
• Computer boots
• Sends “DHCP DISCOVER” packet to DHCP server
• DHCP server sends IP address
![Page 25: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/25.jpg)
Fixed IP address
![Page 26: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/26.jpg)
IP Address
128.171.94.192
UH Network
Subnet
Machine
![Page 27: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/27.jpg)
LIS Subnet
128.171.58.___
UH Network
LIS subnet
Device
![Page 28: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/28.jpg)
LIS Subnet128.171.58.1 Router
128.171.58.2 Office printer
128.171.58.3 Server - Djoser
128.171.58.4 Server - Nut
128.171.58.5 LIS Chair
128.171.58.6 Dr. Harada
128.171.58.7 Dr. Jacsó
128.171.58.8
…
128.171.58.254
128.171.58.255 [Broadcast]
Reservedfor
router
Reserved
UnassignedAlice
![Page 29: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/29.jpg)
Fixed IP address
128.171.58.8128.171.58.8
![Page 30: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/30.jpg)
LIS Subnet IP address
128.171.58.___
UH Network
LIS subnet
Device
![Page 31: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/31.jpg)
LIS Subnet IP address
128.171.58.___
Network part of address
Device
![Page 32: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/32.jpg)
Network part of LIS Subnet IP address
128.171.58.___
10000000.10101011.00111010.___
What we see
What the computer sees
![Page 33: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/33.jpg)
Subnet mask
11111111.11111111.11111111.00000000
1s mask network part of address
0s reveal individual device no.
255.255.255.0
Record it as:
![Page 34: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/34.jpg)
Subnet mask
128.171.58.8128.171.58.8
255.255.255.0255.255.255.0
![Page 35: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/35.jpg)
Default gateway
128.171.58.8128.171.58.8
255.255.255.0255.255.255.0
128.171.58.1128.171.58.1
(Router that forwards traffic to remote subnets)
![Page 36: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/36.jpg)
LIS Subnet128.171.58.1 Router
128.171.58.2 Office printer
128.171.58.3 Server - Djoser
128.171.58.4 Server - Nut
128.171.58.5 LIS Chair
128.171.58.6 Dr. Harada
128.171.58.7 Dr. Jacsó
128.171.58.8
…
128.171.58.254
128.171.58.255 [Broadcast] Reserved
Alice
![Page 37: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/37.jpg)
Ping (echo request)
Are you there?
I’m alive
% ping 128.171.58.11
128.171.58.11 alive
![Page 38: Making connections Connecting a computer to a LAN donna Bair-Mundy.](https://reader035.fdocuments.us/reader035/viewer/2022070323/56649e245503460f94b126dd/html5/thumbnails/38.jpg)
Broadcast ping (echo request)
Are you there?
I’m alive
% ping 128.171.58.255
128.171.58.2 alive
I’m alive
I’m alive
128.171.58.3 alive128.171.58.4 alive
Are you there?Are you there?