Configure static routes in debian

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Configure static routes in debian

To configure static routes in debian edit file '/etc/network/interfaces' and use

up route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.2.1
down route del -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.2.1

Sample file that uses same technique is:

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
    address 10.4.7.2
    netmask 255.255.255.0
#   gateway 10.4.7.1


up route add -net 10.0.0.0 netmask 255.0.0.0 gw 10.4.7.1
down route del -net 10.0.0.0 netmask 255.0.0.0 gw 10.4.7.1

up route add -net 172.16.0.0 netmask 255.240.0.0 gw 10.4.7.1
down route del -net 172.16.0.0 netmask 255.240.0.0 gw 10.4.7.1

up route add -net 192.168.0.0 netmask 255.255.0.0 gw 10.4.7.1
down route del -net 192.168.0.0 netmask 255.255.0.0 gw 10.4.7.1


auto eth1
iface eth1 inet static
    address 10.4.8.54
    netmask 255.255.255.0
    gateway 10.4.8.2

For DHCP based addressing use: 'iface <interface-name> inet dhcp'. For example:

auto eth1
iface eth1 inet dhcp

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