Understanding the components used in a router and switch are extremely important in your understanding of how to manage a Cisco internetwork and the devices used in your network or the networks you work on. In this video, Todd Lammle provides an easy-to-understand method on how Cisco routers work and are managed in an internetwork.
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- Unless you’re really savvy about the inner workings…of your car systems, you’ll take it to someone to figure out…what’s wrong when a problem arises…to get back on the road quickly.…It's the same deal with Cisco Networking Devices.…You need to know all of their major components,…as well as what they do and why…and how they all work together.…The more solid your understanding,…the better equipped you'll be to configure and troubleshoot…a Cisco internetwork.…First let's talk software.…Stored in the microcode of the ROM,…the Bootstrap is used to bring a router up…during initialization.…
It boots the router up and then loads the IOS.…Also stored in the microcode of the ROM is the POST…or power-on self-test.…The POST is used to check the basic functionality…of the router hardware…and determines which interfaces are present.…Again stored in the micro code of the ROM,…the ROM Monitor is used for manufacturing, testing,…and troubleshooting as well as running a mini-IOS…when the IOS in flash fails to load.…Called the RX Boot or Bootloader by Cisco,…
For more information on the CCENT exam, visit Cisco's website.
- Overview of internetworking
- The TCP/IP networking model
- Easy subnetting
- Managing Cisco IOS
- Managing Cisco networks and devices
- IP routing
- Layer 2 switching
- VLANs and InterVLAN routing
- Network address translation
Skill Level Intermediate
Internetworking devices4m 20s
3. Introduction to TCP/IP
4. Easy Subnetting
5. VLSM, Summarization, and Troubleshooting TCP/IP
6. Cisco Internetworking Operating System (IOS)
7. Managing a Cisco Internetwork
8. IP Routing
9. Layer 2 Switching
10. VLANs and InterVLAN Routing (IVR)
12. Network Address Translation (NAT)
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