GateWay to the IT World
What is a private IP address and there process of work Private IP addresses are address used within an organization, the name itself suggests that it is used for private purposes; Internet Assigned Numbers Authority (IANA) has reserved certain IP address as private address. Private IP address are … [Read more...]
How to configure NAT In this tutorial we shall be showing on how to configure NAT, and what you need to know before configuring it. How NAT works Traffic that is sourced on the inside of the network, coming to an interface marked as inside, will have an inside local address as its source IP … [Read more...]
The Final decision on what Routes populate the Routing Table There are a couple of different factors that make the final decision on what routes will be placed in the routing table. Administrative distance and metric are the factors that decide what route will be placed in the routing table. The … [Read more...]
What is Network Addressing The network address collectively identifies each network. Every machine on the same network shares that network address as part of its IP address. In the IP address 172.16.30.56, for example, 172.16.0.0 is the network address by default because of the classful boundary. … [Read more...]
Components of a Cisco router To configure and troubleshoot a Cisco internetwork, you need to know the major components Of Cisco routers and understand what each one does. Below describes the major Cisco router components. Bootstrap Stored in the microcode of the ROM, the bootstrap brings a … [Read more...]
Router interface commands Interface configuration is one of the most important router configurations, because without interfaces, a router is pretty much a completely useless object. Plus, interface configurations must be totally precise to enable communication with other devices. Network layer … [Read more...]
Setting Up Secure Shell (SSH) on cisco router Instead of Telnet, you can use Secure Shell, which creates a more secure session than the Telnet application that uses an unencrypted data stream. SSH uses encrypted keys to send data so that Your username and password are not sent in the clear. If you … [Read more...]
password for your cisco router You can use five passwords to secure your Cisco routers: console, auxiliary, Telnet (VTY), enable password, and enable secret. However, other commands are necessary to complete the password configurations on a router or … [Read more...]
Login banner cisco router A login banner is shown whenever anyone connects to your router by console or telnet connections. Message of the Day (MOTD) —-> Shown before the login prompt. For temporary messages that may change from time to time, such as “Router1 down for maintenance at … [Read more...]
What is vlan routing Virtual LANs (VLANs) offer a method of dividing one physical network into multiple broadcast domains. However, VLAN-enabled switches cannot, by themselves, forward traffic across VLAN boundaries. For inter-VLAN communication, a layer 3 router is required. As shown in the … [Read more...]