dhcrelay and ipip tunnels

Steve Clark sclark at netwolves.com
Sat Sep 8 22:59:08 UTC 2012

On 09/08/2012 04:40 AM, Alex Bligh wrote:
> --On 8 September 2012 08:31:30 +0100 Simon Hobson <dhcp1 at thehobsons.co.uk>
> wrote:
>> It may even be possible to run the relay agent on the gateway if you can
>> set it up in some sort of partitioned environment with it's own ethernet
>> interface such that it uses one interface and it's server traffic goes
>> via the local wire and back in on the main ethernet interface (and
>> vice-versa for return packets).
> If running under Linux you can use a veth device pair to achieve
> this:
>    ip link add FOO type veth peer name BAR
> These can participate in bridges so I'm pretty sure they would work.
> I'm not sure you need a separate network container though. I would
> have thought some policy routing might be enough.
Faced with the same problem I used a stand alone program from FreeBSD it compiles on Linux also.

Stephen Clark
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
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