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Old 11-20-2012, 01:11 AM   #1
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Registered: Feb 2007
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No LAN connection in RTLV 3.0

I am having a problem in which i am unable to ping any system through my computer having OS RTLV 3.0
It has following specifications INtel Core 2 duo CPU E 4600
and inbuilt ethernet card RealTek RTL 8168C(P)/8111C PCI -E Gigabit Ethernet

Also i am able to assign it an IP using
#neat #command but mii-tool does not shows anything
Thanks for your patient reading and help
Old 11-20-2012, 10:04 AM   #2
Registered: Apr 2004
Distribution: slackware/FreeBSD/Vector
Posts: 291

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So this is realtime linux your using? Is this an embedded system?
Old 11-22-2012, 08:44 PM   #3
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Registered: Feb 2007
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Ral Time Linux 3.0 networking issue

I am using a computer with dual boot option using GRUB .On loading Windows the LAN port blinks but on loading Linux the port does not blinks
Here are the commands which I use to see the LAN status
#dmesg |grep eth0
eth0 : RTLV8168b/8111b at oxf88fa000,MAC address, IRQ 17
r8169 :eth0: link up
eth0 : no IPV6 routers present

#ethtool -i eth0
driver: r8169
version :2.2LK-NAPI
firmware version:
bus-info :0000:02:00.0
Sometimes on using command dmesg|grep eth0 it shows link down and shows device eth0 entered promiscuous mode

Also I am having 2 more computers with Real Time Linux loaded on them and they are working absolutely fine.

I am manually assigning IP address to all three computers but in this particular computer the LAN Port is not blinking
Thanks for your help in advance

Last edited by sahil; 11-22-2012 at 08:46 PM.
Old 11-22-2012, 11:49 PM   #4
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#lsmod gives me r8169 as module 31561 as size and 0 as used by
Also /etc/sysconfig/networking/ifcfg-eth0 gives me the manually assigned IP by me.


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