apt-get update
Err http://security.debian.org stable/updates Release.gpg
  Could not connect to security.debian.org:80 (1.0.0.0). - connect (101 Network is unreachable)
Err http://http.us.debian.org stable Release.gpg
  Could not connect to http.us.debian.org:80 (1.0.0.0). - connect (101 Network is unreachable)
Err http://security.debian.org etch/updates Release.gpg
  Could not connect to security.debian.org:80 (1.0.0.0). - connect (101 Network is unreachable)
Ign http://http.us.debian.org stable Release
Ign http://http.us.debian.org stable/main Packages
Ign http://http.us.debian.org stable/contrib Packages
Ign http://http.us.debian.org stable/non-free Packages
21% [Connecting to http.us.debian.org (1.0.0.0)] [Connecting to non-us.debian.org (1.0.0.0)] [Connecting to security.debian.org (1.0.0.0)]
[...]

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route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     *               255.255.255.0   U     0      0        0 eth1
default         mygateway1.ar7  0.0.0.0         UG    0      0        0 eth1

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/etc/apt/source.list

#
# deb cdrom:[Debian GNU/Linux 4.0 r1 _Etch_ - Official i386 CD Binary-1 20070819-11:52]/ etch contrib main
# deb cdrom:[Debian GNU/Linux 4.0 r1 _Etch_ - Official i386 CD Binary-1 20070819-11:52]/ etch contrib main
  deb http://http.us.debian.org/debian stable main contrib non-free
  deb http://non-us.debian.org/debian-non-US stable/non-US main contrib non-free
  deb http://security.debian.org stable/updates main contrib non-free
  deb http://security.debian.org/ etch/updates main contrib

 #deb-src http://security.debian.org/ etch/updates main contrib
 #deb-src http://http.us.debian.org/debian stable main contrib non-free
 #deb-src http://non-us.debian.org/debian-non-US stable/non-US main contrib non-free


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ifconfig
eth1      Link encap:Ethernet  HWaddr 00:A0:D1:BC:BC:63
          inet addr:192.168.1.3  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:534 errors:0 dropped:0 overruns:0 frame:0
          TX packets:633 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:464922 (454.0 KiB)  TX bytes:127177 (124.1 KiB)
          Interrupt:11

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:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)