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Thread: Problem while trying to use two NIC in 7.10

  1. #1
    Join Date
    Apr 2008
    Beans
    4

    Problem while trying to use two NIC in 7.10

    I'm currently having problem trying to setup a second NIC in 7.10 ubuntu server. I tried to modify /etc/network/interfaces so it activates both NIC at start but soon both are on server doesn't respond anymore, unable to ping anything. It seems to get confused when both cards are on.

    We had to get a second inet line in because we needed more bandwidth.So the main goal is to have the server in two seperate network. The services activated on server are Apache, FTP, POP and SMTP.

    On one NIC, external clients needs to be able to access FTP, HTTP and POP. On the other NIC, local users would need to be able to send email thru the local SMTP.

    Here's my interfaces file:
    Here's my file
    # The loopback network interface
    auto lo eth0 eth2
    iface lo inet loopback

    # The primary network interface
    iface eth0 inet static
    address 192.168.1.8
    netmask 255.255.255.0
    network 192.168.1.1
    broadcast 192.168.1.255
    gateway 192.168.1.1
    # dns-* options are implemented by the resolvconf package, if installed
    # dns-nameservers 198.235.216.131

    iface eth2 inet static
    address 10.0.0.8
    netmask 255.255.255.0
    broadcast 10.0.0.255
    network 10.0.0.0

  2. #2
    Join Date
    Jan 2007
    Location
    ~/PA/USA
    Beans
    1,983
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Problem while trying to use two NIC in 7.10

    What do you get with:
    Code:
    ifconfig

  3. #3
    Join Date
    Apr 2008
    Beans
    4

    Re: Problem while trying to use two NIC in 7.10

    eth0 Link encap:Ethernet HWaddr 00:04:23:AE:CC:CC
    inet addr:192.168.1.8 Bcast:192.168.1.255 Mask:255.255.255.0
    inet6 addr: fe80::204:23ff:feae:cccc/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:118695240 errors:0 dropped:0 overruns:0 frame:0
    TX packets:123035874 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:100
    RX bytes:2177731715 (2.0 GiB) TX bytes:1616370455 (1.5 GiB)
    Base address:0xecc0 Memory:dfde0000-dfe00000

    eth2 Link encap:Ethernet HWaddr 00:04:23:AE:CC:CD
    inet addr:10.0.0.8 Bcast:10.0.0.255 Mask:255.255.255.0
    inet6 addr: fe80::204:23ff:feae:cccd/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:25469 errors:0 dropped:0 overruns:0 frame:0
    TX packets:311 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:100
    RX bytes:2189019 (2.0 MiB) TX bytes:75331 (73.5 KiB)
    Base address:0xec80 Memory:dfdc0000-dfde0000

    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:10164170 errors:0 dropped:0 overruns:0 frame:0
    TX packets:10164170 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:3285759120 (3.0 GiB) TX bytes:3285759120 (3.0 GiB)

  4. #4
    Join Date
    Feb 2007
    Location
    Arkansas
    Beans
    41
    Distro
    Ubuntu 8.04 Hardy Heron

    Re: Problem while trying to use two NIC in 7.10

    Are you sure its not supposed to be eth0 and eth1.

    Try changing your eth2 to eth1, restart, and see if it works.

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