Hi I have a server, which has 68 IPs. 4 for it's own network interfaces and a network of 64 addresses for xen domains and vpn. Now, only some of these domains are live and only some VPN clients online. As such, only some IPs will be available, ohters will not. For every available IP there is an entry in the routing table like this: <singleIP> 0.0.0.0 255.255.255.255 UH 0 0 0 <virtualinterface> Moreover there is a default route: 0.0.0.0 <ispgateway> 0.0.0.0 UG 0 0 0 eth0 ip_forward contains 1 Now, packets for IPs that are offline right now, are routed to the main ip of my server, which is suppost to forward them. This works for systems that are online. However, packets for hosts wich are not online are routed by via the default route. What I would need is a routing table entry which routes my /26-network to "host not reachable" and which has a lower priority than my explizit routing rules. How can I do that? Regards, Steffen BTW: Where can I set ip_forward for the next reboot?
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