How To Construct A CCNA Lab That Will Cover Every CCNA Examination Concept?
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Written by: medahmoamro
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Date: Mon, 5 Sep 2011 |
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Two modern topics obtain popped up intended for the new Cisco CCNA 640-802 test. They're IPv6(IP Version 6) and SDM(Safety Gadget Supervisor) which is a GUI based option to configure your routers and switches. A standard question is can the Cisco 2500 sequence routers support IPv6? Yes, they'll if they're maxed out by system of 16MB of DRAM and Flash. Listed here are some more specs on Cisco routers and required DRAM and Flash toward assist IPv6 assuming you could have the proper IOS. Toward produce your life just a little easier, I have incorporated an useful chart illustrating the minimal DRAM and Flash required toward support IPv6 per model platform beneath.
In case you took an excellent look at the chart, you will also discover I mentioned the necessities designed for SDM too. As mentioned earlier than, SDM is Cisco's Security Device Manager and is the GUI option to configure your routers. It's not supported on among the older models. But the excellent news from a lab perspective is that you do not want it on each router to bring a very good grasp on how SDM works. The Cisco 3640 router is going toward be the generally affordable technique to get SDM with a 10mb Ethernet interface and the Cisco 2600XM sequence seems to be the generally affordable strategy to bring SDM by a 100mb Ethernet interface.
Finally, I even have an IOS version column. As you may see above, the Cisco 2500, 2600 and 3620 fashions solely support 12.three whereas the Cisco 2600XM and 3640 items assist 12.4. So if you want to receive exposure the latest IOS that is running on routers in the real world, right now that's 12.4. But when your price range does not allow used for it, you'll still find worth in the routers which are operating the older 12.3 IOS.
Not everybody includes the budget to support each feature. So you will note that we nonetheless supply Cisco 2500 router labs through 8MB of DRAM and 8MB of Flash as having the ability to practice on routers that support 85% of the ideas is best than nothing in any respect in case you price range is tight. In an effort toward keep away from any confusion and offer you one place toward look to compare models and interfaces/options, I made this subsequent handy little chart to provide you an concept of what to anticipate on every router.
Well, a couple of things. The Cisco 2500s are serviceable routers for your CCNA research nonetheless as long as you've the proper IOS and maxed out reminiscence by mode of all the accessories you need. You might say, but they are only 10mb routers. True, however they nonetheless give out. The key disadvantage besides the aforementioned lack of SDM and 12.4 assist is that through 10mb routers you possibly can't do your inter-vlan routing labs via them(which is true of any of the 10mb routers). So just be sure to get at the least one 100mb router in your lab so you can do inter-vlan routing and that takes care of that issue and helps to keep the worth of your lab down intended for these by a tight finances!
You want to make sure your router can support IPv6 as doing those labs will really help the IPv6 ideas sink in. Finally, SDM is greater than possible the wave of the future, so you may as well start to get used toward it now!
This can be debated a few completely different ways. Primary some individuals will say that eighty% of the take a look at is predicated on routing. Toward which I will agree. However via only a small margin of error between passing and failing, not fully information switching concepts comparable to VLANs, STP, and root elections might be the one query that stands between you passing and failing your exam. There can be some swap questions that are memorization primarily based corresponding to "What is a Layer 2 protocol used to keep up a loop-free community?" Thank goodness we memorized STP. That mentioned, it might be good meant for us to receive the ability to truly "see" the switching ideas perform. So this is mainly how I view it. One change will supply you with the power toward run the commands on the switch and let you memorize the proper syntax and context by which to run the commands. It's going to also will let you do a few of the VLAN labs. Two switches will permit you to see VTP Area & VLAN info propagate. As well as, you will notice fundamental gadget elections. With three or extra switches you will get all the above and complete system elections. Remember, we're solely at the CCNA degree right now so we won't need a Layer 3 swap like a 3550 just yet. But it's a cool idea of your CCNP studies. Finally you could ask why do a few of my dual router labs not have switches in them. The switches don't need additional transceivers, ports and such so I don't really need to lab them up with the routers. We do receive some of the bigger labs which have both routers and switches in them too.
This is one that there's a lot debate on these days. I will function you with my ideas on it and there are 100 alternative ways you'll be able to construct a lab. I will give you the knowledge and allow you to resolve how you need to build your lab.
The Cisco 2950 change is the switch that's coated on the take a look at and includes the precise IOS command set that you will note on the lab. So if you happen to can give one, it's nice toward get. However sometimes at what time prospects only get a $200 finances, I can't recommend for them toward result in a swap and forego the routers. After all, the take a look at is 80% routing! Again to the Cisco 2950, this is one of the best switch meant for the take a look at when you can provide it.
But let's say you possibly can't present that switch , but nonetheless want a change, what's next? We've the Cisco 2900 range. This is a step down from the Cisco 2950 and supports all the same CCNA check instructions besides the switchport and international vlan command. So through that data, this switch may just give out in favor of you.
Learn further books before and when you end your current CCNA lab workbook as a result of a CCNA research guide doesn't offer you all the things you want toward understand all the topics in the CCNA certification clearly. Thus it's possible you'll purchase additional CCNA books, CCNA movies, and a CCNA lab.
Source: How To Construct A CCNA Lab That Will Cover Every CCNA Examination Concept?
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