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Author Topic: Converting logical topology to physical connectivity  (Read 1833 times)

Offline ackld

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Converting logical topology to physical connectivity
« on: February 20, 2014, 06:12:39 PM »
Hi

I am so amazed by those who easily converted the logical topology to physical connectivity.
Are there any rules of thumb or guide? I can not find any reference in the cisco website.

I am doing self-study on basic MPLS VPN the diagram attached, but I can not figure out how to pull it off on the hardware connectivity efficiently. Can someone please teach me how to fish in this instance? Please check the attachment for the logical topology.

Thanks a lot.
Rick

Offline adecisco

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Re: Converting logical topology to physical connectivity
« Reply #1 on: February 21, 2014, 05:41:10 AM »
Well you learn it over time with lots of hands on mostly on your lab.

If you can conceptualize router on the stick I think the same process apply here.

For router on the stick when you split the interface to different sub interface one physical interface gives your three logical interface. The logical interface is virtual but behave the same way a physical interface work a lay man language though.

Logical topology is what give you an ideal of how the data move in the network which means it may data path may inter an interface several times before reaching its destination.

You can do some google search on "mastering converting logical topology to physical topology."

You will be amaze what result and explanation and practise you are going to get.

But know that with practise come perfection.

Cheers.
Technology makes life easy but I hope the same technology will not send man back to stone age!

Offline ackld

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Re: Converting logical topology to physical connectivity
« Reply #2 on: February 21, 2014, 02:32:34 PM »
Thank you. Googling up now.

Offline MC

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Re: Converting logical topology to physical connectivity
« Reply #3 on: February 21, 2014, 10:30:23 PM »
Like adecisco said, all it takes is basic understanding of Layer2 and Layer3 and some experience. It's one of those things that will become natural after you have seen enough of them whether from books or Cisco docs.
From the given logical topology, there are countless of way to come up with the physical. You can even connect the whole lab on a single switch just by separating routers in different VLAN.

 

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