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Mod6
- 1. Addressing the network IPv4 CCNA Exploration Semester 1 – Chapter 6
- 5. 248 to binary 0 0 0 1 1 1 1 1 1 2 4 8 16 32 64 128 248 -128 120 24 -16 8 56 -32 24 120 -64 56
- 6. 187 to binary 1 1 0 1 1 1 0 1 1 2 4 8 16 32 64 128 187 -128 59 27 -16 11 11 -8 3 59 -32 27 3 -2 1
- 7. 89 to binary 1 0 0 1 1 0 1 0 1 2 4 8 16 32 64 128 89 -64 25 25 -16 9 9 -8 1
- 8. 00110100 to decimal 52 0 0 1 0 1 1 0 0 4 16 32 1 2 4 8 16 32 64 128 32 +16+ 4 52
- 9. 01010101 to decimal 85 1 0 1 0 1 0 1 0 1 4 16 64 1 2 4 8 16 32 64 128 64 +16+ 4 + 1 85
- 10. 11001111 to decimal 207 1 1 1 1 0 0 1 1 1 2 4 8 64 128 1 2 4 8 16 32 64 128 128 + 64 + 8 + 4 + 2 + 1 207
- 12. IPv4 address Prefix /24 Subnet mask: 00010001 00010101 10101000 11000000 17 21. 168. 192. octet octet octet octet network part host part 00000000 11111111 11111111 11111111 0 255. 255. 255.
- 13. Find the network address In a network address, all the host bits are 0. The router needs to do this for every packet. 00010001 00010101 10101000 11000000 17 21. 168. 192. 00000000 00010101 10101000 11000000 0 21. 168. 192.
- 14. Logical AND Do a logical AND at each position 00010001 00010101 10101000 11000000 17 21. 168. 192. 00000000 11111111 11111111 11111111 0 255. 255. 255. 00000000 00010101 10101000 11000000 0 21. 168. 192.
- 15. Find the broadcast address In a broadcast address, all the host bits are 1. The broadcast is the last address in the network. 00010001 00010101 10101000 11000000 17 21. 168. 192. 11111111 00010101 10101000 11000000 255 21. 168. 192.
- 17. Classful addressing network part host part A network part host part B network part host part C 60 53. 17. 10. 201 38. 16. 172. 17 21. 168. 192.
- 26. 192.168.1.70/24 – fill in the table Last host First host Broadcast Network Subnet mask Host Full Last octet decimal Last octet binary
- 27. 192.168.1.70/24 192.168.1.254 254 11111110 Last host 192.168.1.1 1 00000001 First host 192.168.1.255 255 11111111 Broadcast 192.168.1.0 0 00000000 Network 255.255.255.0 0 00000000 Subnet mask 192.168.1.70 70 01000110 Host Full Last octet decimal Last octet binary
- 29. 192.168.1.70/26 fill in the table Last host First host Broadcast Network Subnet mask Host Full Last octet decimal Last octet binary
- 30. 192.168.1.70/26 192.168.1.126 126 01111110 Last host 192.168.1.65 65 01000001 First host 192.168.1.127 127 01111111 Broadcast 192.168.1.64 64 01000000 Network 255.255.255.192 192 11000000 Subnet mask 192.168.1.70 70 01000110 Host Full Last octet decimal Last octet binary
- 32. 192.168.1.70/28 fill in the table Last host First host Broadcast Network Subnet mask Host Full Last octet decimal Last octet binary
- 33. 192.168.1.70/28 192.168.1.78 78 01001110 Last host 192.168.1.65 65 01000001 First host 192.168.1.79 79 01001111 Broadcast 192.168.1.64 64 01000000 Network 255.255.255.240 240 11110000 Subnet mask 192.168.1.70 70 01000110 Host Full Last octet decimal Last octet binary
- 40. Blocks of addresses 192.168.1.255 Broadcast 192.168.1.254 Router 192.168.1.224/27 192.168.1.224 - 253 Network devices 192.168.1.192/27 192.168.1.192 - 223 Peripherals 192.168.1.128/26 192.168.1.128 - 191 Servers 192.168.1.1-127 User hosts 192.168.1.0/25 192.168.1.0 Network address Summary Address range Use
- 41. Subnetting 192.168.1.0/24 Last octet binary Borrow 1 bit from host part, give it to network part, /25 00000000 255.255.255.0 Subnet mask 00000000 192.168.1.0 Address 10000000 255.255.255.128 Subnet mask 00000000 10000000 192.168.1.0 192.168.1.128 Addresses
- 42. Subnetting 192.168.1.0/24 Borrow 2 bits from host part, give to network part, /26 11000000 255.255.255.192 Subnet mask 00000000 01000000 10000000 11000000 192.168.1.0 192.168.1.64 192.168.1.128 192.168.1.192 Addresses
- 43. Subnetting 192.168.1.0/24 Borrow 3 bits from host part, give to network part, /27 11100000 255.255.255.224 Subnet mask 00000000 00100000 01000000 01100000 10000000 10100000 11000000 11100000 192.168.1.0 192.168.1.32 192.168.1.64 192.168.1.96 192.168.1.128 192.168.1.160 192.168.1.192 192.168.1.224 Addresses
- 44. Subnetting 192.168.1.0/24 Borrow 4 bits from host part, give to network part, /28 And so on… 192.168.1.128 192.168.1.144 192.168.1.160 192.168.1.176 192.168.1.192 192.168.1.208 192.168.1.224 192.168.1.240 Subnet mask 255.255.255.240 11110000 10000000 10010000 10100000 10110000 11000000 11010000 11100000 11110000 00000000 00010000 00100000 00110000 01000000 01010000 01100000 01110000 192.168.1.0 192.168.1.16 192.168.1.32 192.168.1.48 192.168.1.64 192.168.1.80 192.168.1.96 192.168.1.112
- 46. Subnetting 192.168.1.0/24 252 248 240 224 192 128 Subnet mask 2 6 14 30 62 126 No of hosts 4 8 16 32 64 128 Bit value/ network size /30 /29 /28 /27 /26 /25 Prefix 64 32 16 8 4 2 No of networks 6 5 4 3 2 1 Bits borrowed
- 48. Subnet chart
- 52. Subnetting - visual CCNA Exploration Semester 1 Chapter 6
- 53. Prefix /24 Three octets in network part, last octet in host part. All possible numbers 0 – 255 in last octet belong in the same network. Network address yellow Broadcast address blue Subnet mask 255.255.255.0
- 54. Prefix /25 First bit of fourth octet taken into network part. For every bit taken, double number of networks, halve their size. Network address yellow Broadcast address blue Subnet mask 255.255.255.128
- 55. Prefix /26 2 bits of fourth octet taken into network part. For every bit taken, double number of networks, halve their size. Network address yellow Broadcast address blue Subnet mask 255.255.255.192
- 56. Prefix /27 3 bits of fourth octet taken into network part. For every bit taken, double number of networks, halve their size. Network address yellow Broadcast address blue Subnet mask 255.255.255.224
- 57. Prefix /28 4 bits of fourth octet taken into network part. For every bit taken, double number of networks, halve their size. Network address yellow Broadcast address blue Subnet mask 255.255.255.240
- 58. Prefix /29 5 bits of fourth octet taken into network part. For every bit taken, double number of networks, halve their size. Network address yellow Broadcast address blue Subnet mask 255.255.255.248
- 59. Prefix /30 6 bits of fourth octet taken into network part. For every bit taken, double number of networks, halve their size. Network address yellow Broadcast address blue Subnet mask 255.255.255.252
- 60. Variable length Networks do not need to be all the same size. /27 /26 /25
- 62. Labs & Activities * If no previous Packet Tracer experience, else strongly recommended Mandatory* 1.2.4 PT Review carefully 1.3.3 Lab Mandatory 1.3.2 PT Mandatory 1.3.1 Lab Detail Type