100% less secure.  There's no encryption at all in EoIP.


On 10/19/2015 11:44 AM, That One Guy /sarcasm wrote:
in the mikrotik implementation with ipsec, how much less "secure" than something like an ipsec VPN tunnel? For the most part, since its all routed traffic anyway, security isnt all that great a concern, other than maybe some snmp strings I cant think of much that would matter

We do have an instance, Im assuming MPLS will be what would be best, the customer has a 10mb ptp fiber connection from another provider terminated in our NOC as a backup to their DIA with us over our wireless infrastructure, but I dont know, its all new to me

On Mon, Oct 19, 2015 at 8:54 AM, Adam Moffett <[email protected] <mailto:[email protected]>> wrote:

    EoIP is non-standard, and while multiple platforms have it, they
    are probably not compatible.

    The main reason to do EoIP is if you need the entire layer2
    header. I use it now and then to default a device, then bridge
    it's port with an EOIP tunnel back to my office so that I can
    access it from my laptop on it's default IP.

    You can also carry a full size 1500 byte packet on the EoIP
    tunnel....it will be fragmented on the outer layer so there's an
    efficiency penalty in doing so, so if everything works with a
    shorter MTU then use a shorter MTU.  I switched a VPN to an EOIP
    tunnel for a library whose SonicWall broke PMTUD and thus there
    was packet loss on the tunneled traffic until I switched them to EoIP.

    The other reason to do EoIP is that it's stupid simple.

    Downsides: EoIP is insecure.  Supposedly it's more cpu intensive
    than other types of tunnels, but in practice I haven't noticed.



    On 10/19/2015 2:28 AM, That One Guy /sarcasm wrote:


        More interested in eoip comments, but when are these two bad
        ideas, eoip with the ipsec in particular.
        I have two scenarios where eoip will be necessary to maintain
        upstream static routing between providers, one tunnel over the
        interwebs and one tunnel over our network since our providers
        are geographically isolated.
        I'm having a hard time figuring out if eoip is up and coming
        or dying, everything I read says its new but the documents are
        old, mikrotik documents indicate it's proprietary but Cisco
        docs mention it.





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