Layer2 over Layer3

Justin Wilson lists at
Fri Sep 14 19:22:39 UTC 2012

Mikrotik supports a proprietary format called an EOIP (ethernet over IP)


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-----Original Message-----
From: mohamed Osama Saad Abo sree <mohamed.abosree at>
Date: Wednesday, September 12, 2012 6:33 PM
To: Philip Lavine <source_route at>
Cc: NANOG list <nanog at>
Subject: Re: Layer2 over Layer3

>hello philip,
>for ethernet over mpls you can use gre tunnel and run mpls over that
>tunnel or you can go directly for l2tpv3 which give you the ability to
>run l2vpn over l3 ip routing with no need for mpls.
>Mohamed Abosree
>On 9/13/12, Philip Lavine <source_route at> wrote:
>> To all,
>> I am trying to extend a layer2 connection over Layer 3 so I can have
>> redundant Layer connectivity between my HQ and colo site. The reason I
>> this is so I can give the "appeareance" that there is one gateway and
>> both data centers can share the same Layer3 subnet (which I am
>> via BGP to 2 different vendors).
>> I have 2 ASR's. Will EoMPLS work or is there another option?
>> Philip
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