Connect two LANs over an IPv4 tunnel?

[Walter Hop]

[in reply to helge.oldach at atosorigin.com, 6-11-2003]

>>I would like to connect two networks (home and work), so that I can set
>>up my home workstations in the same subnet as the work LAN. Out of this
>>/24, I would like to use a /29 at home.
>>
>>(attempt 2)
>>
>>The gif tunnel worked and the boxes can ping eachother over it, so I
>>assigned private addresses to the gif endpoints. Then I tried adding some
>>home IP aliases to the work box's ethernet interface and using forwarding
>>and "route delete/add" in the hope that packets would be routed to the
>>gateway in private-space across gif1.
>
> You do not need IP aliases (I presume you mean static ARP entries), but
> just need to get the routes right. Proxy ARP will do the rest for you:
>
> sysctl net.link.ether.inter.proxyall=1

Helge, I am eternally grateful. This simple sysctl made it all work. :)
Thank you!

cheers,
walter