# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)

# The loopback interface
# automatically added when upgrading
auto lo eth1 eth0
iface lo inet loopback


iface eth1 inet dhcp


iface eth0 inet static
        address 10.0.10.1
        netmask 255.255.255.0
        network 10.0.10.0
        broadcast 10.0.11.255
        gateway 10.0.10.1
---------------------------------------------
dhcpd.conf
---------------------------------------------
ddns-update-style none;

# option definitions common to all supported networks...
option domain-name "xor.cx";
option domain-name-servers 66.82.24.8, 66.82.24.4;

default-lease-time 1200;
max-lease-time 14400;

# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
#authoritative;

# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility local7;

# No service will be given on this subnet, but declaring it helps the
# DHCP server to understand the network topology.

#subnet 10.152.187.0 netmask 255.255.255.0 {
#}

# This is a very basic subnet declaration.

subnet 10.0.10.0 netmask 255.255.255.0 {
  range 10.0.10.101 10.0.10.254;
 option broadcast-address 10.0.10.1 ;
 option routers 10.0.11.1;
}
------------------------------------------------
#ifconfig
------------------------------------------------
eth0      Link encap:Ethernet  HWaddr 00:50:2C:0A:0E:AB
          inet addr:10.0.10.1  Bcast:10.255.255.255  Mask:255.0.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1721 errors:0 dropped:0 overruns:0 frame:0
          TX packets:913 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:125010 (122.0 KiB)  TX bytes:70506 (68.8 KiB)
          Base address:0xa000 Memory:f4000000-f4020000

eth1      Link encap:Ethernet  HWaddr 00:50:04:50:7D:DD
          inet addr:10.0.11.102  Bcast:10.0.11.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3066 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3310 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1352676 (1.2 MiB)  TX bytes:270262 (263.9 KiB)
          Interrupt:11 Base address:0xa000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1131 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1131 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:178945 (174.7 KiB)  TX bytes:178945 (174.7 KiB)
----------------------------------------
netstat -nr
----------------------------------------
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
10.0.11.0       0.0.0.0         255.255.255.0   U         0 0          0 eth1
10.0.0.0        0.0.0.0         255.0.0.0       U         0 0          0 eth0
0.0.0.0         10.0.11.1       0.0.0.0         UG        0 0          0 eth1