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  1. #1
    Join Date
    Apr 2009
    Posts
    1,321

    Question Device eth0 has different MAC addrss than expected, ignoring.

    Code:
    service network restart
    Device eth0 has different MAC addrss than expected, ignoring.
    "ifconfig -a" shows no eth0

    All I did was reboot the server, I got those output via KVM.

  2. #2
    What is the output of the file /etc/sysconfig/network-scripts/ifcfg-eth0? If you have any other ethernet card connected to the server, paste the output of that file too. BTW, were any changes made on the server before the server reboot?
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  3. #3
    Join Date
    Apr 2009
    Posts
    1,321
    I just got this server 2 hours ago and all I did was install webmin and then rebooted.
    Now the network interface card won't load and DC wants to charge me nearly $100 to reinstall the OS.

    Code:
    # Broadcom Corporation NetXtreme II BCM5716 Gigabit Ethernet
    DEVICE=eth0
    BOOTPROTO=static
    BROADCAST=xx.x.xxx.xxx
    HWADDR=BC:90:5B:DE:28:69
    IPADDR=xx.x.xxx.xxx
    NETMASK=255.255.255.248
    NETWORK=xx.x.xxx.xxx
    ONBOOT=yes
    Last edited by chasebug; 05-25-2011 at 05:16 AM.

  4. #4
    Quote Originally Posted by chasebug View Post
    I just got this server 2 hours ago and all I did was install webmin and then rebooted.
    Now the network interface card won't load and DC wants to charge me nearly $100 to reinstall the OS.

    Code:
    # Broadcom Corporation NetXtreme II BCM5716 Gigabit Ethernet
    DEVICE=eth0
    BOOTPROTO=static
    BROADCAST=xx.x.xxx.xxx
    HWADDR=BC:90:5B:DE:28:69
    IPADDR=xx.x.xxx.xxx
    NETMASK=255.255.255.248
    NETWORK=xx.x.xxx.xxx
    ONBOOT=yes

    Compare the hwaddr from /etc/sysconfig/hwconf file with the one in ifcfg-eth0. If they are different, copy the hwaddr from hwconf to ifcfg-eth0 and restart the server.

    If that doesn't fix the issue, comment the "HWADDR" line in ifcfg-eth0 and reboot the server.
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  5. #5
    Join Date
    Apr 2009
    Posts
    1,321
    OK I got another server exactly same except that server have the drivers loaded:
    Code:
    kernel driver in use: bnx2
    kernel modules: bnx2
    The server without the eth0 don't have those drivers loaded.

  6. #6
    Join Date
    Apr 2009
    Posts
    1,321
    Does not fix the problem.

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