Network Configuration Overview

Network Configuration Overview
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This content delves into the intricate network configurations involving hosts, routers, DNS servers, and routing protocols like RIP. The detailed information covers IP addresses, routing tables, ARP, and communication mechanisms among network components.

  • Networking
  • Configuration
  • Hosts
  • Routers
  • Routing
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Uploaded on Mar 07, 2025 | 0 Views

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  2. HostA HostB HostA HostB IP DNS Server HostB IP

  3. HostA DNS Server HostB IP DNS Query DNS Response

  4. HostA DNS Server HostB IP DNS Query DNS Response

  5. RIPRouting Table Router1 Router2 RIP Request Destination Next Router Metric Destination Next Router Metric 27.242.136.157 Local 0 192.168.3.1 Local 0 RIP Response Command Version Must Be Zero 00000001 00000001 0000000000000000 Address Family Identifier Must Be Zero 0000000000000010 0000000000000000 RIP Request IP Address Router3 27.242.136.157 Destination Next Router Metric 140.117.163.1 Local 0 Metric 140.117.164.10 Local 0 00000000000000000000000000000000 Routing Table

  6. RIPRouting Table Command 00000010 Address Family Identifier 0000000000000010 Version 00000001 Must Be Zero 0000000000000000 Router1 Router1 Router2 RIP Request Must Be Zero 0000000000000000 Destination Destination Next Router Next Router Metric Metric Destination Next Router Metric 27.242.136.157 27.242.136.157 Local Local 0 0 192.168.3.1 Local 0 RIP Response RIP 192.168.3.1 Router2 1 Response IP Address 192.168.3.1 Metric 140.117.163.1 Router3 1 140.117.164.10 Router3 1 00000000000000000000000000000001 Command 00000010 Address Family Identifier 0000000000000010 Version 00000001 Must Be Zero 0000000000000000 Must Be Zero 0000000000000000 Router3 Destination Next Router Metric 140.117.163.1 Local 0 IP Address 140.117.163.1 Metric 140.117.164.10 Local 0 RIP Response 00000000000000000000000000000001 IP Address 140.117.164.10 Metric 00000000000000000000000000000001

  7. RIPRouting Table Router1 Router1 Router2 Router2 RIP Request Destination Destination Next Router Next Router Metric Metric Destination Destination Next Router Next Router Metric Metric 27.242.136.157 27.242.136.157 Local Local 0 0 192.168.3.1 192.168.3.1 Local Local 0 0 RIP Response 192.168.3.1 192.168.3.1 Router2 Router2 1 1 27.242.136.157 Router1 1 140.117.163.1 192.168.3.1 Route 3 Router3 1 2 27.242.136.157 Router3 2 140.117.164.10 140.117.163.1 Router3 Router3 1 1 140.117.163.1 Router3 1 140.117.163.1 Router2 2 140.117.163.1 Router1 2 140.117.164.10 Router3 1 140.117.164.10 Router3 1 140.117.164.10 Router2 2 140.117.164.10 Router1 2 Router3 Router3 Destination Destination Next Router Next Router Metric Metric 140.117.163.1 140.117.163.1 Local Local 0 0 140.117.164.10 140.117.164.10 Local Local 0 0 27.242.136.157 Router1 1 27.242.136.157 Router2 2 192.168.3.1 Router2 1 192.168.3.1 Router1 2

  8. ARP Destination Address Source Address Ether Type Source Port Destination Port MAC 0C:54:A5:1A:CF:75 0C:54:A5:1A:CF:76 00001000 00000000 00000000 01010000 00000000 01010000 Router1 IP 27.242.136.254 Version IHL Type of Service Total Length Sequence Number Destination 0100 Next Router Metric 0101 00000000 0000000000111000 00000000 00000000 00000000 00001010 27.242.136.157 Local 0 ARP Request ARP Response Identification Flags Fragment Offset Acknowledgment Number 192.168.3.1 Router2 1 Destination Address Destination Address TCP Source Address Source Address 00000000 00000000 00000000 00001011 Ether Type Ether Type 0000000000000001 000 0000000000000 192.168.3.1 Time to Live Router3 2 FF:FF:FF:FF:FF:FF:FF 0C:54:A5:1A:CF:76 0C:54:A5:1A:CF:76 0C:54:A5:1A:CF:75 ECE 00001000 00000110 00001000 00000110 RST SYN Protocol Header Checksum 140.117.163.1 Router3 1 Data Offset Reserved CWR URG ACK PSH FIN Window Size IP Hardware Type Hardware Type 01110101 Protocol Type Protocol Type Hardware Address Length Hardware Address Length 000 Protocol Address Length Protocol Address Length 0 0 Operation Operation 0 140.117.163.1 00000100 00000110 Router2 2 0101 0 0 0 0 1 00010011 10001000 00000000 00000001 00000000 00000001 00001000 00000000 00001000 00000000 00000110 00000110 00000100 00000100 00000000 00000001 00000000 00000010 Urgent Pointer Source IP Address 140.117.164.10 Router3 1 Checksum Sender Hardware Address Sender Hardware Address Sender Protocol Address Sender Protocol Address Target Hardware Address Target Hardware Address 00101010 00011100 Target Protocol Address Target Protocol Address 00000000 00000000 140.117.164.10 Router2 2 27.242.136.157 0C:54:A5:1A:CF:76 0C:54:A5:1A:CF:75 27.242.136.157 192.168.57.9 00:00:00:00:00:00 0C:54:A5:1A:CF:76 192.168.57.9 27.242.136.157 Destination IP Address Data 192.168.57.9 ARP Request ARP Response Data

  9. ARP Destination Address Source Address Ether Type Router2 IP 192.168.3.254 0C:54:A5:1A:CF:87 Source Port Destination Port MAC ARP Request ARP Response 00000000 01010000 0C:54:A5:1A:CF:76 00001000 00000000 Destination Next Router Metric 00000000 01010000 Destination Address Destination Address Source Address Source Address Ether Type Ether Type 192.168.3.1 Version IHL Local Type of Service Total Length 0 Sequence Number FF:FF:FF:FF:FF:FF 0C:54:A5:1A:CF:76 05:54:A5:1A:CF:76 0C:54:A5:1A:CF:87 00000000 00000000 00000000 00001010 00001000 00000110 00001000 00000110 27.242.136.157 0100 Router1 00000000 1 0101 0000000000111000 Hardware Type Hardware Type Fragment Offset Protocol Type Protocol Type Hardware Address Length Hardware Address Length Protocol Address Length Protocol Address Length Acknowledgment Number Operation Operation 27.242.136.157 Router3 2 Identification Flags 00000000 00000001 00000000 00000001 0000000000000 00001000 00000000 00001000 00000000 TCP 00000110 00000110 00000100 00000100 00000000 00000001 00000000 00000010 140.117.163.1 Router3 1 0000000000000001 000 00000000 00000000 00000000 00001011 140.117.163.1 Time to Live Router1 Protocol 2 Sender Hardware Address Sender Hardware Address Header Checksum Sender Protocol Address Sender Protocol Address Data Offset Target Hardware Address Target Hardware Address CWR ECE Target Protocol Address Target Protocol Address RST SYN Reserved URG ACK PSH FIN Window Size IP 140.117.164.10 00000100 Router3 00000110 1 05:54:A5:1A:CF:76 0C:54:A5:1A:CF:87 00000100 192.168.57.11 192.168.55.12 0101 00:00:00:00:00:00 0C:54:A5:1A:CF:76 0 192.168.55.12 192.168.57.11 0 000 0 0 0 0 0 1 00010011 10001000 140.117.164.10 Router1 2 Source IP Address Checksum Urgent Pointer 192.168.57.11 00101010 00011100 00000000 00000000 Router3 IP 140.117.164.254 Destination IP Address Data Destination Next Router Metric 192.168.55.12 140.117.163.1 Local 0 140.117.164.10 Local 0 27.242.136.157 Router1 1 27.242.136.157 Router2 2 192.168.3.1 Router2 1 ARP Request 192.168.3.1 Router1 2 ARP Response Data

  10. ARP Destination Address Source Address Ether Type Source Port Destination Port MAC ARP Request ARP Response 00000000 01010000 AC:ED:E2:D6:CD:75 0C:54:A5:1A:CF:85 00001000 00000000 00000000 01010000 Destination Address Destination Address Source Address Source Address Ether Type Ether Type Version IHL Type of Service Total Length Sequence Number FF:FF:FF:FF:FF:FF 0C:54:A5:1A:CF:85 0C:54:A5:1A:CF:85 AC:ED:E2:D6:CD:75 00000000 00000000 00000000 00001010 00001000 00000110 00001000 00000110 0100 0101 00000000 0000000000111000 Hardware Type Hardware Type Fragment Offset Protocol Type Protocol Type Hardware Address Length Hardware Address Length Protocol Address Length Protocol Address Length Acknowledgment Number Operation Operation Identification Flags 00000000 00000001 00000000 00000001 0000000000000 00001000 00000000 00001000 00000000 TCP 00000110 00000110 00000100 00000100 00000000 00000001 00000000 00000010 0000000000000001 000 00000000 00000000 00000000 00001011 Sender Hardware Address Sender Hardware Address Header Checksum Sender Protocol Address Sender Protocol Address Data Offset Target Hardware Address Target Hardware Address CWR ECE Target Protocol Address Target Protocol Address RST SYN Time to Live Protocol Reserved URG ACK PSH FIN Window Size IP 0C:54:A5:1A:CF:85 AC:ED:E2:D6:CD:75 11101000 140.117.164.254 140.117.164.10 0101 00:00:00:00:00:00 0C:54:A5:1A:CF:85 0 140.117.164.10 140.117.164.254 0 00000100 00000110 000 0 0 0 0 0 1 00010011 10001000 Source IP Address Checksum Urgent Pointer 192.168.55.14 00101010 00011100 00000000 00000000 Destination IP Address Data 140.117.164.10 Switch3 MAC Table f0/2 MAC Port AC:ED:E2:D6:CD:75 f0/1 AC:ED:E2:D6:CD:77 f0/2 f0/1 ARP Request ARP Response Data

  11. Destination Address Source Address Ether Type Source Port Destination Port MAC 0C:54:A5:1A:CF:75 0C:54:A5:1A:CF:76 00001000 00000000 00000000 01010000 00000000 01010000 Version IHL Type of Service Total Length Sequence Number 0100 0101 00000000 0000000000111000 00000000 00000000 00000000 00001010 Identification Flags Fragment Offset Acknowledgment Number 0000000000000001 000 0000000000000 TCP 00000000 00000000 00000000 00001011 Time to Live Protocol Header Checksum Data Offset Reserved CWR ECE URG ACK PSH RST SYN FIN Window Size IP 00000100 00000110 01110101 0101 000 0 0 0 0 0 0 0 1 00010011 10001000 Source IP Address Checksum Urgent Pointer 27.242.136.157 00101010 00011100 00000000 00000000 Destination IP Address Data 192.168.57.9 ......

  12. Destination Address Source Address Ether Type Source Port Destination Port MAC 0C:54:A5:1A:CF:75 0C:54:A5:1A:CF:76 00001000 00000000 00000000 01010000 00000000 01010000 Version IHL Type of Service Total Length Sequence Number 0100 0101 00000000 0000000000111000 00000000 00000000 00000000 00001010 Identification Flags Fragment Offset Acknowledgment Number 0000000000000001 000 0000000000000 TCP 00000000 00000000 00000000 00001011 Time to Live Protocol Header Checksum Data Offset Reserved CWR ECE URG ACK PSH RST SYN FIN Window Size IP 00000100 00000110 01110101 0101 000 0 0 0 0 0 0 0 1 00010011 10001000 Source IP Address Checksum Urgent Pointer 27.242.136.157 00101010 00011100 00000000 00000000 Destination IP Address Data 192.168.57.9 ......

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