cisco – POFTUT

Tagged: cisco

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How To Download, Install Packet Tracer Into Windows?

Cisco Provides different level of certifications for its products and general network topics. We have all ready examined CCNA certifications in the following tutorial. What is CCNA or Cisco Certified Network Associate? Cisco certification exams mostly depends on practical experience. So a person who want to get certified needs practical experience. Here is a list of ways to get practical experience. At work Rent remote labs Using GNS3 similator Using...

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What is CCNA or Cisco Certified Network Associate?

Cisco is very popular vendor in the IT network field. Cisco provides a lot of different type of solutions from access switch to SDN firewall. Cisco is penetrated to the network device market over the years. This will made a lot of network guys play with Cisco devices. Cisco create CCNX series certification over years. Here X may mean Associate, Professional. There is also CCIE certification which is one of...

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Linux Traceroute Command Tutorial With Examples

The network is an important part of the system administration. Because without a network the server has nothing to do. While administrating Linux servers troubleshooting network is very important. When a network problem occurs in a Linux server first step is checking network services and the route information. Network services can be checked with systemctl or similar commands. Network routes can be checked with different tools but the most popular and...

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What is DHCP and How It Works?

DHCP stands for Dynamic Host Configuration Protocol. As its name suggests DHCP is used to provide configuration like Ip Address, Network Mask, Dns, Proxy, Bootp, Default Gateway etc. to the host. But the most know and popular usage is distributing IP address. There are broad range of DHCP usage scenarios. In this tutorial we will look IP address distribution of DHCP with an example. Phases DHCP IP address assignment is...

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How To Install Gns3 To Fedora?

Gns3 very useful tool to simulate real networks and systems. In the first days of its Gns3 was simple Cisco IOS image emulator. But recent years its development has gained momentum. This made Gns3 a multi platform, flexible real world simulator. Gns3 supports systems like Cisco, Juniper, Palo Alto, Pfsense, Docker etc. In this tutorial we will look how to install Gns3 to the Fedora 64 bit. Get Gns3 Installation...

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How Configure Cisco For Logging?

Hi, collecting logs are important. In my daily job I am working with logs about a lot of systems like WMware , Application ,Linux,windows,Cisco ,checkpoint, pfSense. Logs provides info about the system, application etc. Security incident management systems heavily rely on logs. Example Log Logs consist of date system name and event detail like

Here Aug  1 05:39:30.992 is date info, %LINK-3-UPDOWN is subsystem info which says the log is...

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How To Configure Cisco Routers and Switches Password

Hi, today we will look to configure Cisco routers and switches with password. It may be seen trivial but very important for security, because a lot of issues a password related. Network devices use a lot of protocols to work and this protocols needs security. Authentication resides in security and the first rule of authentication is real check.For example if you connect a switch with telnet you should give your...

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Changing cisco hostname and disabling cisco domain look up

Today we will look for setting Cisco devices host name and then disable domain look up. Host name is used to identify devices in a meaningful and easy way. Change Hostname First we change hostname to ismailbaydan.com and then fall back to default hostname which is Switch

Enable Domain Lookup First we enable domain look up which is enabled by default and then disable domain look up

We...

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How To Configure RIP Routing For Cisco IOS?

Hi today we will look for some networking stuff. Up to now I have not written any routing related technical post. In this article I am gonna show you some simple dynamic routing with RIP protocol. Routing is divided in to two part which one is static. In static routing routes are configured in router by typing every detail of the route and all things configured are used  in routing....

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How To Change Cisco IOS Time

Hi. Today we will look for changing system time and prompt.  You may think that what is the relation between system time and prompt, you are right there is no relation 🙂 . System time is important for network devices because logs get meaning with them and acl, vpn time limitations works truly with them. In order to change the system time we need enable mod not configure but I...

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