Hello Aubrey,

You did not misunderstood my explanation!

The scenario is:

   - A user with some/any static IP configuration is been routed to allow
   him to access the internet.

I have seen a solution at sourceforge called SHAT but the author does not
maintain since 2004 and the version at sourceforge has a bug. I tryed to
email Mr Jordan but maybe he has some moving or other personal problems.
The Mikrotik version really does this (universal gateway) and it calls this
feature as one-to-one NAT.
I understand the this features manipulates with ARP... and my real gateway
replies to arp request and provide the my real gateway MAC as been the
requested gateway.And then do the other consequent controls using some
virtual interfaces (like one creted by "tunctl" tool, for instance... from
UML).
Any way... I wish to have this "universal gateway" some how!

Best regards,


mson77







2007/10/23, Aubrey Wells <[EMAIL PROTECTED] >:
>
> a and b are simple, almost any router including vyatta can do this. for c,
> are you saying you want any user with any random ip configuration on their
> machine to be able to plug in and get online with that random ip, subnet,
> and gateway? That's a heck of a request and I'm not sure how it would be
> possible for vyatta (or any other router) to know what the user is using,
> assign itself the correct ip address that the user is trying to use as a
> gateway and create an outbound NAT. I suppose you might could cobble
> something together with tshark by looking at arp requests and some
> intelligent guessing maybe... but seriously... how hard is it to click
> "obtain settings from DHCP"?
>  I've used mikrotik pretty extensively, and I don't recall ever seeing an
> option like this. I must be misunderstanding your request, perhaps you could
> explain a little better? If you know what the settings are on the computers
> that come in without dhcp enabled, you could set up a secondary ip on the
> eth2 interface and create a matchinf outbound nat rule, that would be easy.
> but if its completely random and you dont know what it is ahead of time....
>  *
> *
> *------------------ *
> *Aubrey Wells*
> *Senior Engineer*
> Shelton | Johns Technology Group
> 404.478.2790
> www.sheltonjohns.com
>
>
>
> On Oct 23, 2007, at 8:11 AM, mson77 wrote:
>
> Hello List,
>
> My goal is:
> ================================================================
> 1) a box with 3 ethernet cards (interfaces): eth0, eth1, eth2;
> 2) eth0 attached to internet access provider ISP0;
>    eth1 attached to internet access provider ISP1;
>    eth2 attached to local dynamic LAN users;
> ================================================================
> What I need or wish:
>
>    - a) the router be able to use these 2 WAN links, load balancing and
>    in case of failure of one link... switch all the requests to the second
>    available link; and when the failure link comes back on... do the load
>    balancing again;
>    - b) have dhcp server binded to eth2 as above for users with dhcp
>    client enabled;
>    - c) now for those who use static IP configurations, I mean: with
>    static IP, static gateway and DNS servers:
>
> ==> and these static configurations does not belong to our eth2 lan
> subnet.
> TODAY I have to go to this user laptop and change manually its IP
> configuration... changing them to dynamic IP setup to receive our dhcp IP
> configuration. This is what I do not want anymore.
> ==> I wish that VYATTA be able to route... to allow this user with any
> static IP configuration to access internet... i.e. to be routed to
> internet and browse the internet as other regular dhcp users.
>
> Is ir possible with VYATTA?
> I saw a solution that provides this "amazing and nice" feature called
> MIKROTIK/MAXINA...
>
> Thanks in advance,
>
>
>
> mson77
>
>
>
>
>
>
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>
>
>
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