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WAN design

By matt_falenski ·
I am writing a paper on designing a WAN. I understand the concepts of a WAN, but I have never designed one before. I have setup VPN links to create a WAN-like network, but those were just with cable or DSL and between two sites. If I have three or more sites, how would they connect? What hardware is required? Are there any websites about building WANs? (I Google?ed, and found some very basic WAN sites.)
Without knowing any site location particulars can I just say I would use Frame Relay? (Each of the sites would be in a major metropolitan area.)
Can anyone point me in a direction for more info?

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by CG IT In reply to WAN design

>>>>>> Cisco

Simplistic but truthful. The bulk of equipment that makes up the Internet is Cisco equipment. Visit Cisco Press for their CCDP certification on building scalable networks. http://www.cisco.com/en/US/learning/le3/le2/le37/le5/learning_certification_type_home.html

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by matt_falenski In reply to

Thanks, but I have already been to Cisco's site. I was looking for some real-world info.

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by sbrown95 In reply to WAN design

Frame relay would work perfectly for your situation if you are in a major metro area. This would be the simplest option with little overhead for you to administer. I currently support a network that is a "spoke and hub" configuration because I cannot do frame relay in my area. This works well for me. You might want to research a Spoke and Hub vpn setup to see if this is right for you. Hope this helps.

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by matt_falenski In reply to
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by Kryptos In reply to WAN design

Check Cisco site you will find tons of materials there. Also Check MPLS availablity with service providers, Frame relay is getting older.
Thx,

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by matt_falenski In reply to
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by techrepublic In reply to WAN design

There are lots of answers to your question. I know only a few of them.

Run your own wire/glass. If you're in a position where you can dig a trench, do it.

Microwave provides high bandwidth where you can't dig a trench.

Point-to-point generally cost effective if you need to go through your telco and can work with a star topology.

If you are going to choose one method for a varied number of locations, Frame Relay may be your best bet.

I've not used MPLS, but it appears to be a solution much like Frame Relay with the addition of packet priorization.

VPNs can be a viable solution. You just need to go to a level of sophistication beyond what you're currently doing (buy a better router).

There may be other solutions available. For example if you happen to be sitting on a Sonet ring, the provider may let you tap in.

My first draft of this response was much longer, but I didn't want to write your paper for you. :)

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by matt_falenski In reply to
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by exNN In reply to WAN design

One expensive way to do it is leased lines, other Frame Relay, ATM, MPLS, IP/VPN. On all cases, you will need a router that supports the media/protocol you'd chosen; as stated smallest Cisco's routers will do, some will need IOS upgrade. Proper IP addressing is mandatory.

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by matt_falenski In reply to
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