Advanced Networking with CISCO (CCNA) > Basic Troubleshooting

Troubleshooting IP Addressing and Host

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To get rid of your current IP address and request a new one, type "ipconfig /release" followed by "ipconfig /renew." In certain circumstances, this will solve the issue. If you still can't acquire a valid IP from your router, try using an ethernet connection to connect your computer directly to the modem.

IP addressing problems:

  • Incorrect default gateway address
  • Incorrect address mask
  • Incompatible IP address on network interface card (NIC) and network
  • Invalid IP address on NIC
  • Some host problems include:
  • Poor customer service
  • Slow servers and websites
  • Email spamming and phishing + Viruses and malware

Hostname troubleshooting is the process of identifying the causes of one or more operational difficulties with a host. When you are troubleshooting hosts, it is important to know what tools are available to you. This will help you to identify the problem quickly and accurately. The first thing you should do is try to ping the IP address of the computer. If it doesn't work, it's likely that the IP address is not configured properly.

IP addresses are used to identify networks and hosts. A 32-bit number is an IP address. On a TCP/IP network, it uniquely identifies a host (computer or other device, such as a printer or router). 192.168.123.132 is an example of a dotted-decimal IP address, which has four integers separated by periods.

Before you troubleshoot the problem, it is important to know what kind of problem you are dealing with.

  • If the issue is with your host and your site isn't loading, then try to clear cache and update plugins.
  • If the issue is with website content and it's not displaying correctly, then update themes and plugins.
  • If none of these help, go ahead and contact your hosting company for support.

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Rashid Khan
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Great learning experience about the networking concepts..

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Sangram Suresh Patil
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Good teacher

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Senthil Kumar M
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very usefully

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Paudhan K Shete
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Awesome Explanations thank you learn vern its useful

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Good 👍👍👍👍😊

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saurav kumar
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wonder full

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Mahim Rawat
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if you please free for certificate

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Ashad Khan
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Very nice teacher

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Mohammad Jeeshan
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very Good

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zahoor khan
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supper

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  2. Basics of Networking Cables
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  3. Types of Topology Part -1
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  4. Types of Topology Part -2
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  5. TCP/IP Suite
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  6. OSI Model
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  7. Network Devices
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  8. Network Protocols
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  9. Next-Generation Firewalls
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  10. Assignment : Introduction To Networking
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  1. IP Address
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  2. IP Address Classes
    29m 41s
  3. IP Subnetting
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  4. Class C Subnetting
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  5. Configuration of IP Address
    30m 14s
  6. IPv6 Addressing Part -1
    17m 56s
  7. IPv6 Addressing Part -2
    16m 52s
  8. Assignment : IP Address
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  1. Introduction to Cisco IOS
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  2. Router Memory
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  3. Modes in a Router
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  4. Cisco IOS Password Configuration
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  5. Practical: Router Configuration
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  6. Practical: Commands of Routing
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  7. Assignment : Working With Cisco Devices
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  1. Routing Fundamentals
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  2. Static Routing
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  3. Default Routing
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  4. Dynamic Routing
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  5. Packet Forwarding
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  6. Assignment : Basic Routing Technologies
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  1. Advanced Routing Technologies
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  2. RIPv1 & RIPv2 Configuration
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  3. OSPF Routing
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  4. Configuring OSPFv2
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  5. Configuring OSPFv3
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  1. LAN Switching Technologies
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  2. SSH Configure
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  6. Number of ACL
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  7. Name of ACL
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  1. Infrastructure Management
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  2. SNMP Versions
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  3. Assignment : Infrastructure Management
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  1. Basic Troubleshooting
    9m 27s
  2. Wiring Problems Troubleshooting
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  3. Troubleshooting IP Addressing and Host
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  4. Assignment : Basic Troubleshooting
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  1. Advanced Troubleshooting
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  2. Routing Failures & Troubleshooting
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  1. Automation & Programmability
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  1. Course Summary
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  1. Cisco Network Interview Questions Part 1
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  1. Career Guideline
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