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Old 04-23-2013, 10:21 AM   #1
tezarin
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Registered: Nov 2007
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Firewall cannot see the modem - RTNETLINK answers: File exists


Hi all,

We have two internet lines with two different ISPs therefore we have two eths, eth5 and eth9. I'm showing that eth9 is offline and when I try to bring it up, I get a "RTNETLINK answers: File exists" error.
I'm showing eth9 is up so I thought it's the modem that has the problem and I contacted the ISP company, they advised me to connect a laptop directly to the modem and see if I can connect to the internet which I could so it is not the modem. Firewall is not connected to the modem and looks like there is a problem with the eth9. I ran the following ifconfig commands and everything looks OK to me.

Linux firewall.domain.com 2.6.18-194.8.1.v5PAE #1 SMP Thu Jul 15 02:01:47 EDT 2010 i686 i686 i386 GNU/Linux

Can you please help me find out what the problem is?

Thanks in advance

Code:
[root@firewall ~]# ifconfig eth9
eth9      Link encap:Ethernet  HWaddr *******
          inet addr:***.***.****  Bcast:***.***.**** Mask:***.***.****
          UP 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)
          Memory:fe6e0000-fe700000

Last edited by tezarin; 04-23-2013 at 10:30 AM.
 
Old 04-23-2013, 01:32 PM   #2
tezarin
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eth9 seems to be up but the firewall shows it's not in use and is offline:

[root@firewall~]# sudo /etc/init.d/network status
Configured devices:
lo eth4 eth5 eth9
Currently active devices:
lo eth4 eth5 eth9 imq0 imq1 imq2 imq3

Please help me fix this,

Thanks in advance
 
Old 04-23-2013, 05:41 PM   #3
gdizzle
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Registered: Jul 2012
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With this error: "RTNETLINK answers: File exists" error.

Check
Code:
/etc/sysconfig/network-scripts
dir for Centos derivatives , if you are using a Debian derivative, check
Code:
/etc/network/interfaces
, for duplicate MAC addresses, same IP's or bogus entries on the configured network interfaces.
 
  


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