I'm using IPcop as firewall and for site-to-site tunnels at one site.
The RED interface eth0 is 10.0.1.1/24 and I need to transition the local net by and by to 10.0.10.0/24
So far, I let a different host play the role of a router between 10.0.1.0/24 and 10.0.10.0/24
(when done, IPcop will be reconfigured accordingly and have that net directly attached)
I added a route at IPcop (via console) and adjusted tunnels accordingly
So now *remote* hosts can access the new LAN (and also old LAN) via tunnel
However, traffic between LANs does not work.
I do not want to add a specific route at each host in the old LAN as long as it is still in it.
Instead, in theory ICMP redirects should do the job good enough for a temporary situation
However, it seems that IPcop does not issue these redirects.
How can I make IPcop do so?