при загрузке интерфейс поднимается но добаляется лишний роут:
shmel@shmelHome:~$ netstat -r
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
172.16.0.10 * 255.255.255.255 UH 0 0 0 ppp0
10.1.42.0 * 255.255.255.0 U 0 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth1
10.0.0.0 10.1.42.1 255.0.0.0 UG 0 0 0 eth0
default 10.1.42.1 0.0.0.0 UG 0 0 0 eth0
default * 0.0.0.0 U 0 0 0 ppp0
shmel@shmelHome:~$ netstat -r
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
172.16.0.10 * 255.255.255.255 UH 0 0 0 ppp0
10.1.42.0 * 255.255.255.0 U 0 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth1
10.0.0.0 10.1.42.1 255.0.0.0 UG 0 0 0 eth0
default * 0.0.0.0 U 0 0 0 ppp0
allow-hotplug eth0
iface eth0 inet dhcp
up route add -net 10.0.0.0 netmask 255.0.0.0 gw 10.1.42.1 dev eth0
auto eth1
iface eth1 inet static
address 192.168.0.1
netmask 255.255.255.0
gateway 10.1.42.11
auto dsl-provider
iface dsl-provider inet ppp
#pre-up /sbin/ifconfig eth0 up # line maintained by pppoeconf
provider dsl-provider
pre-up iptables-restore < /etc/iptables.up.rules