Somehow, the scripts in the if-up.d, if-down.d directories are net being executed. I have a farely standard interfaces for a router. What am I missing? # /etc/network/interfaces -- configuration file for ifup(8), ifdown(8) # The loopback interface # automatically added when upgrading iface lo inet loopback iface eth2 inet static address 10.100.101.101 netmask 255.255.255.0 network 10.100.101.0 broadcast 10.100.101.255 gateway 10.100.101.1