On 19.01.2014 00:32, Wolfgang S. Rupprecht wrote:
Back when I ran my server with the networking scripts instead of NetworkManager it was easy to add unreachable routes. I'd put lines like the following:
/etc/sysconfig/network-scripts/route-lo: unreachable 10.0.0.0/8 unreachable 172.16.0.0/16 unreachable 192.168.0.0/16
/etc/sysconfig/network-scripts/route6-lo: unreachable fc00::/7
When lo was enabled, I'd get those unreachable routes loaded (and a few others that the networking scripts added for me.) Now with NetworkMisManager I don't get either my unreachalbes or the formerly built-in ones.
Is there a trick I'm missing? Obviously I could do an "ip route add" from a private systemd service, but that seems a bit heavy handed.
(The reason I need to add the unreachables is that my ISP doesn't send me network unreachables for private addresses. For laptops on the go, they sometimes get routable IPv6 addresses as well as unroutable IPv4 addresses. I use nsupdate to register my laptop's current addresses in DNS and when private addresses show up it would be nice for things like "ssh laptop" to quickly move on from the private addresses without a very long timeout.)
-wolfgang
You can create script that would be invoked by NM on ifup event. Put it inside /etc/NetworkManager/dispatcher.d/ and make executable. Content of the script would be something like ip route add ... dev xxx for each unreachable/non routable network.
Mateusz Marzantowicz