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ITexpert
Participant

EPL - Ehternet Private Line

Hello Guys,

 

We have 5 sites connected with each other via site to site tunnel with 1Gbps internet.  
We also have 100mbps EPL for voice traffic which carries QoS.

 

I am Network Professional but dont know what is EPL.

I want to understand the technical overview with configuration.

Please explain ?

 

Thanks

4 REPLIES 4
lespejel
Participant

hello @ITexpert

EPL it's a VPN technology to provide connectivity to transport Ethernet frames across an ISP, full description here:

https://www.cisco.com/c/dam/en_us/training-events/product-training/epn-manager/release20/EP-Line_JobAid/EPNM20_ProvisioningAnEthernetPrivateLineVirtualConnection.pdf

CCIE 52804
BannerMOTD
Beginner

Not related to what you are asking necessarily but you might want to consider VPLS, if the customer wants to add more sites, point-to-multipoint would work out better in this case. Instead of creating abunch of site-to-site links everytime a site gets added. VPLS uses E-LAN.

Elvin Arias Soto
Cisco Employee

Ethernet Private Line is a part of the Carrier Ethernet definitions, and is point-to-point technology that helps you transport native Ethernet frames through an MPLS-enabled core.

There is another variation called EVPL, which is essentially the same, with the slight variation that you can transport do1q tags over the pseudowire.

Regards,

Elvin
Patrick.Williams
Beginner

Over a decade ago companies that were looking for a dedicated private line  or point to point connection would go the route of geting a TDM service from the phone company.

Fast forwarding to 2019 Ethernet Private Lines  serves as a modern alternative to traditional TDM private lines and older packet technologies like Frame Relay.

 

EPL also provides an extremely high-speed connection directly between two locations without being routed through the public internet. It also offers a significant degree of security which is critical for healthcare, and financial organizations where security is of the utmost importance.

 

From a configuration perspective you will treat the EPL as an extended Layer2 connection or simply an Extended Ethernet Connection connecting LocationA to LocationB. 

 

Cheers

P.Williams
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