Categories




Testimonials

Thanks

* Would wish to recommend the Tekmart team on an excellent service that we received last week. Our servers went down that also resulted in the VMs...
Read More ->


Prompt delivery

* Needed some entry-level virtualization machines. The guys in technical were very helpful, especially Kobus who was very clued with what we wanted...
Read More ->


Best service I have ever received from a Tech Company

* What can I say about the guys over at Tekmart. Simply amazing company and service. I have been in the IT industry for over 20 years and NEVER have...
Read More ->


Brilliant Service

* We have a great relationship with Tekmart Africa for our enterprise hardware requirements. Their staff is made up of the highest caliber of...
Read More ->


Great Service

* Exceptional customer services and a pleasure to do business with. Will gladly use Tekmart again and would highly recommend them.
Read More ->


Router Memory

A router is a special type of computer. It has the same basic components as a standard desktop PC. It has a CPU, memory, a system bus, and various input/output interfaces. However, routers are designed to perform some very specific functions that are not typically performed by desktop computers. For example, routers connect and allow communication between two networks and determine the best path for data to travel through the connected networks.

Just as computers need operating systems to run software applications, routers need the Internetwork Operating System software (IOS) to run configuration files. These configuration files contain the instructions and parameters that control the flow of traffic in and out of the routers.

Specifically, by using routing protocols, routers make decisions regarding the best path for packets. The configuration file specifies all the information for the correct set up and use of the selected, or enabled, routing and routed protocols on the router. 

The main internal components of the router are random access memory (RAM), nonvolatile random-access memory (NVRAM), flash memory, read-only memory (ROM), and interfaces.

RAM, also called dynamic RAM (DRAM), has the following characteristics and functions:

  • Stores routing tables
  • Holds ARP cache
  • Holds fast-switching cache
  • Performs packet buffering (shared RAM)
  • Maintains packet-hold queues
  • Provides temporary memory for the configuration file of the router while the router is powered on
  • Loses content when router is powered down or restarted

NVRAM has the following characteristics and functions:

  • Provides storage for the startup configuration file
  • Retains content when router is powered down or restarted

Flash memory has the following characteristics and functions:

  • Holds the operating system image (IOS)
  • Allows software to be updated without removing and replacing chips on the processor
  • Retains content when router is powered down or restarted
  • Can store multiple versions of IOS software
  • Is a type of electronically erasable, programmable ROM (EEPROM)

Read-only memory (ROM) has the following characteristics and functions:

  • Maintains instructions for power-on self test (POST) diagnostics
  • Stores bootstrap program and basic operating system software
  • Requires replacing pluggable chips on the motherboard for software upgrades

Interfaces have the following characteristics and functions:

  • Connect router to network for frame entry and exit
  • Can be on the motherboard or on a separate module

Figure 1: An sample representation of router memory available at Tekmart Africa

Router Memory




Sorry we ran out!

Fill out this form and we will let you know when it comes back in stock

ABOUT SSL CERTIFICATES


Content

Mobicred



Get it on credit with a Mobicred account