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How do companies connect to WAN

When it comes to WAN connections for companies, I have heard of MPLS, BGP, T1, in addition to Site to Site VPN (Which I think it is not considered as WAN)

From Companies Network Engineer perspective
With MPLS, I believe the MPLS provider will configure the Customer Edge router then connect the router to the company Network, the engineer of the company does not have to configure anything.

With BGP , I am not sure what needs to be configured at the company level.
The same with T1 Line

Site to Site VPN is configured from A to Z by the company engineer as long as the company is connected to Internet.

Anyone to clarify on this question?

Thanks

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John

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jhyiesla

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Justin Durrant

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jskfan

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From Company Network Engineers perspective, which part of the network are they responsible to configure when it comes to MPLS, BGP, and if they have been given T1 line

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jhyiesla

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jskfan

ASKER

With MPLS, I believe the provider will run kind of Ethernet cable between provider Edge router and Customer Edge router.. The company has nothing to configure

With BGP, I am not sure what kind of connection link goes between company router and the provider..
and what does the engineer need to configure to get the company traffic goes through the provider, and how does the traffic gets to its destination? considering this is different approach than MPLS

The same question of BGP applies for T1

Thank you

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jhyiesla

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David Johnson, CD

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jskfan

ASKER

The provider configures MPLS for you
BGP /T1 you will have to do the configuration

any basic example on what you need to configure ?

jskfan

ASKER

I thought There are WAN connections and Internet Connections

--WAN Connection is like MPLS , they usually provide you with Ethernet connection(if I am not wrong)

--Internet Connections , just like the one you have at home but with larger bandwidth, like T1 or T3 lines
Now will IPsec site to site VPN run on T1, T3 ?

Will BGP run on T1,T3 or it needs something like BGP ?

What I am trying to get to is, what type of physical connection (Ethernet,DSL,T1,T3)should I have prior to decide which type of logical connection should I uses (MPLS,BGP,IPSec Site to Site VPN,etc...)

Thanks
logical

jskfan

ASKER

oops:
Will BGP run on T1,T3 or it needs something similar to MPLS (Ethernet) ?

David Johnson, CD

MPLS,BGP,IPSec Site to Site VPN,etc...)

BGP and the above don't care about the physical layer (mpls/t1/t3/cable/satellite) it is a routing protocol that runs in a lower layer.
T1, DS-1 1.544 Mbps, T3, DS-3 44.736 Mbps (both are symmetric)

jskfan

ASKER

Does that mean you can run MPLS on DSL connection ?

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David Johnson, CD

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jskfan

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Thank you