remito la información que me solicitaron, revisando si debian 7 reconoce a
las interfaces de red con

#lshw -short

/0/100/1e/8            eth0        network     82801BA/BAM/CA/CAM Ethernet
Controller
/0/100/1e/d            eth1        network     RTL-8139/8139C/8139C+
/0/100/1e/e            rename4     network     82557/8/9/0/1 Ethernet Pro
100

#ifconfig
eth0      Link encap:Ethernet  HWaddr 00:02:55:61:02:dc
          inet addr:192.168.100.10  Bcast:192.168.100.255
 Mask:255.255.255.0
          inet6 addr: fe80::202:55ff:fe61:2dc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2280 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1705 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:189261 (184.8 KiB)  TX bytes:214102 (209.0 KiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:28 errors:0 dropped:0 overruns:0 frame:0
          TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2136 (2.0 KiB)  TX bytes:2136 (2.0 KiB)

#ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:02:55:61:02:dc
          inet addr:192.168.100.10  Bcast:192.168.100.255
 Mask:255.255.255.0
          inet6 addr: fe80::202:55ff:fe61:2dc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2334 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1752 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:193271 (188.7 KiB)  TX bytes:220132 (214.9 KiB)

eth1      Link encap:Ethernet  HWaddr ff:ff:ff:ff:ff:ff
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:21 Base address:0x7800

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:28 errors:0 dropped:0 overruns:0 frame:0
          TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2136 (2.0 KiB)  TX bytes:2136 (2.0 KiB)

rename4   Link encap:Ethernet  HWaddr 00:d0:b7:19:c0:a7
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)


el archivo interfaces esta de la siguiente forma

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# primer interface red
auto eth0
iface eth0 inet static
address 192.168.100.10
netmask 255.255.255.0

Responder a