Archive for the 'General CCNA' Category

Subnetting of Class C IP address

Tuesday, March 30th, 2010

In the Class C address only 8 bits are available to define the host part in the address. In this class the subnet bit starts at the left and go to right. The Class C Subnet mask can be following- Binary form               decimal form 10000000                   128 11000000                   192 11100000                    224 11110000                    240 11111000                    248 11111100                    [...]

Routing protocol algorithm

Tuesday, March 30th, 2010

Algorithm is commonly used to determine the best route to forward the traffic to the destination. An algorithm used by the particular routing protocol is responsible for maintaining the routing table. Different routing protocol uses different algorithm and process to add a route in a routing table, send updates to remote router and for path [...]

The Static Routing

Sunday, March 28th, 2010

The router adds the remoter network to the routing table by configuring the static routes or configuring the dynamic route. When the router learn about the remoter network and the interface through which the packet send to the remote network, it adds the information of that router in the routing rable.A static route include the [...]

The Routing Table

Sunday, March 28th, 2010

A routing table is a data file in a RAM that is used to store route information about directly connected and remote networks. A routing table contain network or next hop information that tell a router that a particular router representing the ‘next-hop’ on the way to the final destination. A routing table is viewed [...]

Successor and Feasible successor

Friday, March 26th, 2010

A successor is neighbor router that is used to forward the packets and is the least–cost route to the destination network.Feasible distance is the lowest calculated metric to the destination.This is listed in the routing table entry. In EIGRP,DUAL converges quickly after the topology changes and uses the backup path to other router known as [...]

To troubleshooting a missing route

Friday, March 26th, 2010

When in end – to –end connectivity is in problem and the device are not pinging to each other. When there is a change in the network connectivity, then administrator should find the way to resolve the problem. There are some commands that help a lot in troubleshooting- ‘Ping’ command Ping is stood ‘Packet internet [...]

Troubleshooting of RIP v2

Thursday, March 25th, 2010

There are several ways to verify and troubleshoot RIP v2.The basics troubleshooting for RIP v2 are- -Make sure that all the links are up and working. -Check the connectivity of each cable. -Make sure that all interfaces configured with correct IP address and subnet mask. -Remove the configuration commands that are no longer necessary. 1. [...]

Verifying Basic configuration of Router

Thursday, March 25th, 2010

All the basic router configuration commands are stored in the running configuration file. The running configuration file is stored in RAM. To verify all the basic command of running configuration we use the show running-config command – Router# show running –config After using this command the running configurations is entered in RAM, it is must  [...]

Verifying changes in the routing table

Thursday, March 25th, 2010

After configure the interfaces and routes on the router it is must to verify the route. The command is use for verify the route- Router# show ip route This command shows the routing table of the router. Some of the content of the routing table- C-show the directly connected network S-show the static route I-show [...]

Best way to achieve CCNA Training

Tuesday, March 23rd, 2010

The online guides are the best way to achieve to your goal. Online CCNA training guide will help you to get pass in your CCNA exams. CCNA guides: CCNA guide is designed basically to provide introductory level knowledge about Cisco hardware and system networking as well. This guide will help you to learn about how [...]