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Old 04-26-2012, 06:14 PM   #1
ovod88
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Registered: Apr 2010
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Network manager


Hello everyone.
Recently i have installed centos 6 and created two configs for my two eth interfaces in sysconfig directory so when i reboot the system my eth0 and eth1 will have ip addresses.However when i rebooted the system, config for eth1 also went to eth0. I think it may be network manager which did it because when i turn it off everything is ok. How can i configure it to defeat this problem or is it better to shut it down?
 
Old 04-27-2012, 10:15 PM   #2
frankbell
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That's really not much to go on.

Could you provide more detail about what exactly you put in your configuration files and what your actual working ifconfig output is?
 
Old 04-28-2012, 01:38 AM   #3
ovod88
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I have two files:
/etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
HWADDR=00:03:47:72:15:8C
TYPE=Ethernet
#DNS=10.36.1.101
#PEERDNS=yes
BOOTPROTO=static
IPADDR=10.36.197.50
NETMASK=255.255.255.0
#NETWORK=10.36.197.0
#BROADCAST=10.36.197.255
#ONBOOT=yes
NAME=eth1

and /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
HWADDR=00:30:05:3F:AD:CB
TYPE=Ethernet
#DNS=8.8.8.8
#PEERDNS=yes
BOOTPROTO=static
IPADDR=82.207.79.87
NETMASK=255.255.255.192
NETWORK=82.207.79.64
BROADCAST=82.207.79.127
ONBOOT=yes
NAME=eth0

The otput of ifconfig is:
eth0 Link encap:Ethernet HWaddr 00:30:05:3F:AD:CB
inet addr:10.36.197.50 Bcast:10.36.197.255 Mask:255.255.255.0
inet6 addr: fe80::230:5ff:fe3f:adcb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1831 errors:0 dropped:0 overruns:0 frame:0
TX packets:1010 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:170367 (166.3 KiB) TX bytes:333952 (326.1 KiB)
Interrupt:18
eth1 Link encap:Ethernet HWaddr 00:03:47:72:15:8C
inet addr:10.36.197.50 Bcast:10.36.197.255 Mask:255.255.255.0
inet6 addr: fe80::203:47ff:fe72:158c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17680 errors:0 dropped:0 overruns:0 frame:0
TX packets:9804 errors:0 dropped:0 overruns:0 carrier:0
collisions:1 txqueuelen:1000
RX bytes:1592239 (1.5 MiB) TX bytes:1711797 (1.6 MiB)

As you can see two interfaces have the same addresses.
 
  


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