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HOW TO CONFIGURE PRACTICALLY MPLS

Posted on 2011-10-31
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Hi Ive been reading some info on MPLS and whatching briefly Youtube videos of an instructor talk about this but cannot find a practical video of say when I logon to my own hardware how to configure something although Im aware there is various types but also wish to know if specific commands are 'identical' although yes MPLS maybe via IS-IS, OSPF, VPN's etc

- 2500
- 2600
- 3600
- 2950
- 3550
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Question by:mikey250
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jmeggers earned 2000 total points
ID: 37056644
Not sure I understand your question, but does this help?  "Configuring a Basic MPLS VPN"  http://www.cisco.com/en/US/partner/tech/tk436/tk428/technologies_configuration_example09186a00800a6c11.shtml

Also http://www.cisco.com/en/US/partner/tech/tk436/tk428/technologies_configuration_example09186a008009445c.shtml

One of the strengths of MPLS is there's a lot you can do with it, and these links only cover L3 VPNs.  You can see an introduction chapter in http://www.cisco.com/en/US/partner/products/sw/ps2346/ps99/products_configuration_guide_chapter09186a00800ee10b.html
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by:mikey250
ID: 37063489
Hi jmeggers

Qns1. well I know how to activate routing on a L3 switch - 'ip routing' & I know how to enable a Routing Protocol - 'router rip' etc

Ive looked at the first 2 urls as the 3rd I do not have the entitlement after I had logged on with my 'Guest account'..so cannot even access other links within..

I have some hardware at home and wish to do something with this for practical practice..?

For example, If I was to setup a bgp & rip network as a basic with redistribution, I wish then to know what I would need to add to setup 'mpls' - ?
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by:jmeggers
jmeggers earned 2000 total points
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Go back to the first URL.  When you set up MPLS, it's really at the control plane, so in a sense, you set up the VRF instances first, and add the routing on top of the VRFs.  Yes, you need basic connectivity among the core ISP devices (P and PE devices), then the customer devices (CE) that you put into each VRF will interact with each PE device they're connected to.  The magic happens in the center where the P and PE devices transmit the traffic within each VRF.

If you want to play with it, you'll need some equipment.  The absolute minimum you would need is three routers -- one in the center to act as both P and PE, and one on either side to act as the CE devices.  That would allow you to set up a single VPN.  To REALLY play with it, you would want probably at least seven routers -- three to simulate the ISP network (a P in the center with a PE on either side) and then two customers, so two CEs connected to each PE.  Adding more just makes for a larger topology -- a more intricate ISP simulation (multiple paths) with more edge devices and more customers.
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by:jmeggers
jmeggers earned 2000 total points
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Incidentally, in your equipment list, I don't think the switches are going to help you other than just allowing you to connect routers together on a VLAN.  

I'm attaching the PDF of the last link.  It's a good intro to MPLS.
mpls01.pdf
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Author Comment

by:mikey250
ID: 37070023
Just reading your comments now to digest it..!This is the equipment below I have:

3 x 2500 - 1 AUI, 2 x Serial
1 x 2600 - 2 x Serial
1 x 2600 - 1 x Fa0 no Serial
1 x 3600 - 1 x Eth, 2 x Fa0, 1 x AUI, 2 x BRI & some STP9 pin D-type - not sure what that is
1 x 3600 - 3 x Eth0, 2 x Eth Controller, 1 x T0 & 2 x Serial, 1 x AUI
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Author Comment

by:mikey250
ID: 37070046
Correction 8 routers & the last one is: 3600 FR switch & 2 x Fa0..
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Author Comment

by:mikey250
ID: 37326694
Hi Im just letting you know I have not forgotten this question but wish to come back to this at a later date and spend some time on it, but will first read through again the urls and comments you made first of all if thats ok, then thanks for your assistance anyhow!!
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Author Comment

by:mikey250
ID: 37374042
hi i will close this thread as i think i have enough to be getting on with and if i have an issue i will create another question at a later date!!
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