Hardware :: New Network Card Not Mapping To Ethernet Interface?
Feb 21, 2011
I've added a 2nd ethernet network card into my linux box. After I installed it the box recognized the new card and mapped it to eth1, as I expect. I then configured the addresses and routing for my eth0 and eth1 interface. Since then I had shutdown my box.When I next started my linux box up only eth0 was present.`ifconfig -a` only displays eth0, but `lspci` lists both cards. How can i permanently map the new pci card to eth1?
Code:
scattaneo@unthread:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1a:a0:8c:61:49
inet addr:192.168.2.108 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: 2002:c0a8:6414:1234:21a:a0ff:fe8c:6149/64 Scope:Global
[code]....
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Dec 26, 2010
I have a laptop connected to the the net thru an adsl modem, when I switch off the laptop network interface,(thru system-config-network) the light of the laptop network card plugged in the router stays on ( green) where as in my pc, when i do the same thing , the light of my pc network card goes off in the modem
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Sep 1, 2011
My laptop was working fine on wireless till the userinterface changed and it defaulted to ethernet and now it won't let me go back on wireless How do i disable ethernet?
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Aug 29, 2009
tell me how to activate my wired NIC permanently?Also, how do I disable the 'work offline' check box in Firefox.At present I am required to action both before accessing internet.
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Mar 31, 2011
i am new to redhat linux,how do i list all newly added network interface card.can someone kindly help me with this?
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Apr 12, 2010
Who actually uses interface name mapping? Why, and what advantages do you get out of it?
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Jun 21, 2009
I installed the OpenSUSE 11 on my IBM T43 laptop. After installation finish I found the Yast can't detect the integrated ethernet cardBroadcomCorporationNetXtremeBCM5751MGigabitEthernet PCI Express(rev 11).
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Jul 1, 2011
I have a strange problem. An old PC is my home server. On the PC I had in the long past 2 NICs. For the last year or so, I had only one NIC installed, a Compex with 8139too module which run just fine. After the upgrade to 11.4, 32bit of course, with zypper dup, I saw that I had no internet and no network connection to the server. So, I logged on the server and found that rcnetwork could not start the eth0 and eth3(!). OK, a mistake I thought. Enter Yast and solve it. Unfortunately, yast reports 2 cards! I removed all of them, rebooted but nothing. lspci reports 2 cards, while I have NONE installed on the motherboard!hwinfo --netcard the same! yast the same! So, the OS "knows" that I have 2 NICs, while I definitely have none!
Checked if /etc/udev/rules.d/70- had any left data from the past, but the file was empty. Checked the /etc/sysconfig/network/scripts nothing again.In principle, the openSUSE 11.4 believes that I have 2 cards (and with wrong MACs, obviously) and I cannot make it rescan the PCI bus to find that I have nothing! I am sure that some garbages are left somewhere but I don't know where to look at. it is very critical to have that server but on-line and in my LAN.
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Nov 27, 2010
I have a hp zd 7000, i really like this laptop, the onboard ethernet will not work at all. i purchased a dynex wired ethernet pcmcia card to get on the internet with. i have had no luck getting on the internet with it it will light up so i am getting power but no transmitting light works at all i have three net work cards listed in the system. one is the wireless. and the other two are the wired eth0 is the onboard and eth2 is the dynex what can i do next to determine the problem i do not use the wireless at all.
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Apr 1, 2010
Actually i'm doing an ingenior training in SAGEM company, well i'm trying to develop an application which is able ti disturb the IP Network,my idea was is to mount 2 Network Interface Card (NIC) and make a bridge to pass the IP flow and to exploit the firewall Netfilter using iptables command.The application has to import a text file containing a binary array like this one:
0 1 0 : 0 corresponds to iptables -p ip ACCEPT
1 1 1 : 1 corresponds to iptables -p ip DROP
0 0 1
==> So the expected result is to have 5 ip datagrams dropped
My idea was: if 0 --> iptables -A FORWARD -p ip -m limit --limit-burst 1 -j ACCEPT
if 1 --> iptables -A FORWARD -p ip -m limit --limit-burst 1 -j DROP
The problem was: After executing the application and parsing the text file,
with iptables -L -v: i have
Code:
-A FORWARD -p ip -m limit --limit-burst 1 -j ACCEPT
-A FORWARD -p ip -m limit --limit-burst 1 -j DROP
-A FORWARD -p ip -m limit --limit-burst 1 -j ACCEPT
which is logic, but when i sniff with wireshark i find more packets are dropped(6,7 or 8 are dropped), like i had put more DROP rules. and sometimes i found the exact value(usually 5 dropped).
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Nov 23, 2010
have a doubt about the multicast address.I have read that IP and ethernet multicast address have the same last 23 bits. While an ethernet multicast address always starts with 01:00:5E. Changing the last 23 bits of the IP address into hexadecimal form and "adding" them to the first 24 bits we find the ethernet address but what about the missing bit??? For istance I have: 230.11.111.10 = 11100110.00001011.01101111.00001010 So converting the last 23 bits I have b:6f:a The final ethernet address will be 01:00:5E:b:6f:a . And what about the missing bit?
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Oct 2, 2010
I installed 10.3 (after buying it a couple of years ago and letting sit on the shelf) and can't get it to configure my ethernet connection or my wireless card. Yast doesn't include a list of available cards, and the error I get in installation-network setup is that the kernel isn't present. The machine I'm installing this on is a Lenovo, in which there isn't a discrete ethernet card (it's in the motherboard), but my wireless card (a Cisco LINKSYS 802.11G) is a discrete card. Because I'm divorcing Microsoft for a number of valid reasons, I don't have Windows available on that box.
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Dec 27, 2009
i have installed openSUSE 11.2 on a dell dimension 2400. My Ethernet card wasn't working, so i am using a wireless interface, but it doesn't work either. It worked on a dell dimension 4400, but when it gets to the activate network my system freezes. Should i re-install my system, or should i post this under the hardware category.
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May 12, 2010
I have a dual boot system (Suse 10.0 and Windows XP Pro) in my notebook. My notebook is toshiba m358, which has a Marvell Yukon Gigabit Ethernet Network Card (Marvell 88E8072) on it. My problem is this: in Windows XP Pro, the network card works well, but in openSUSE, the light on the network card does not turn on. I believe that there is no driver for the network card. I have tried several ways to solve this problem:
1. Download Marvell 88E8072's driver from "[URL]", whose name is "install_v10.85.3.3.tar.bz2", and then install it with following commands:
Code:
# tar xfvj install_v10.85.3.3.tar.bz2
# cd DriverInstall
# ./install.sh .....
Code:
# modprobe sk98lin
# WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.
After I reboot the openSUSE, the light of network card is still off.
2. Follow "[URL]" to configure the Marvell 88E8072. It also does not work.
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Feb 16, 2011
How to install Ethernet network card module (driver) for the Notebook Toshiba QOSMIO X500-121 64-bit on Lenny?
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Feb 8, 2011
I am basically wanting to use my Ubuntu 10.10 computer as a router. Note: Before you say just get a router please note that I am poor/cheap. I have two ethernet connections and one wireless connection on my netbook. I want to share the internet connection that is going into one of the ethernet cards through the other ethernet card and the wireless card.
DSL-->1sr Eth --> 2nd Eth (currently works)
DSL-->1sr Eth --> Wireless Card (Adhoc) <--(connects with limited connectivity AKA no internet)
The 2nd Ethernet card already has working internet, but when I connect to the Wireless card (through an Adhoc network), it cannot get an IP (I believe).
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Jun 6, 2010
After an online upgrade from f11 to f13, on rebooting the setup attempts to configure the wireless connection and fails with a not very illuminating "error configuring your network interface" notice, offering no option but to go back and try again, which of course fails again with the same error.
Wireless card is a D-link that works fine with the ath5k driver in f11.
how I can get out of this vicious cycle and proceed with booting the upgrade?
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Dec 4, 2010
Just installed Fedora 14 from the Live CD i686 on my Dell Inspiron 1521. I can't connect to the SpeedTouch 585 on either wireless broadcom card or the wired Ethernet card.
I can connect to it from the same Laptop on the Vista which is on dual boot on the same laptop.
Further confusing is that I ran Fedora 14 and connected to another SpeedTouch today.
Already checked the Channel on the wireless nic and it's on the same one as the SpeedTouch.
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Jul 18, 2011
I have a ppp0 entry with post-up options like this
mapping ppp0
map none photon-plus motorola
map timeout: 12
[code]...
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Jun 4, 2010
I want to set up an ethernet interface using C language in Linux. Currently it is being done by :
system("/sbin/ifconfig eth1 192.168.0.29 up");
But I dont want to use the system call. Kindly suggest me any other way to do it..
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Nov 2, 2010
I've a server with two NIC. Sometimes the server becomes unreacheable. When this happens, I did a reboot and then it works.. but when looking at the interface status (with ifconfig command), I've notice several "errors".So, I've tried to change NIC.. but the problem occurs again.I've also changed the port on the switch.
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Jul 18, 2011
I booted an OS from live disk. The OS boots successfully but eth0 fails to start. I checked lspci , it outputs the exact ethernet card details :(Broadcom Netextreme II BCM5716 Gigabyte ethernet)
Ifconfig -a returns only loop back interface lo and sit0. The output of dmesg | grep -i 'eth' is :"Netfront : initializing network ethernet driver"
I was also able to find the kernel module bnx2.ko. I did insmod and lsmod lists it. I am not sure what exactly is the issue or how to debug this problem. Any assistance or pointer will be helpful. Thanks for your time.
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Jun 20, 2011
I'm just installed Fedora 14 64-bits into a server which come with Multiple network interfaces, I'm found that the naming of each network interface is not in sequences in what I'm thought (e.g: the on board network interfaces name as Eth5 and Eth6, the additional card ethernet port name from Eth0 - Eth1 and etc). How to name the interfaces as what I wish to? What should I install to allow me to rename the interfaces.
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Jun 17, 2010
What is the Linux command to clear IP address of an interface without bringing it down and/or restarting network services. Seems strange ifconfig is able to change IP address but has no option to clear it, or am I wrong?
EDIT:As simple as ifconfig eth0 0.0.0.0. They should have put it in the man
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Jul 19, 2011
I booted an OS from a live CD. The OS boots successfully but eth0 fails to start. I checked lspci, it outputs these Ethernet card details:
(Broadcom Netextreme II BCM5716 GBabyte ethernet)
ifconfig -a returns only the loopback interfaces lo and sit0. The output of dmesg | grep -I 'eth' is:
"Netfront : initializing network ethernet driver"
When I run service network restart I get:
"Obtaining IP for lo [FAILED]
WARNING: Deprecated config gile /etc/modprobe.conf , all config files belong into /etc/modprobe.d/
Device eth0 does not seem to be present, delaying initialization [FAILED]"
The output of MII-tool -v is:
No MII interface found.
I was also able to find the kernel module bnx2.ko. I did insmod and lsmod lists it.
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May 15, 2011
I recently installed Vortexbox, which includes fedora release 14.Got everything working, but could not access the network. After a bit of searching, found that "ifup eth0" activated the interface.To do this on boot, I have added this command, together with my "mount /dev/..." command in file /etc/rc.localIt works OK, but I cant help thinking there's a proper way of doing this?
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Apr 26, 2010
I have UDP packets generated on Machine A that are addressed to Machine B (unicast) that I capture with PCAP. After transporting this raw data to Machine B (via RF modem) I'm trying to reinject the original UDP on Machine B through a tap0 interface. The capture and transport are all working fine. BUT once on the destination machine, the reinjected ethernet packets are NOT being received by a local UDP server. this is my socket creation :
Code:
outputSocket = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
struct ifreq s_ifr;
strcpy(s_ifr.ifr_name, "tap0");
"data" is an unsigned char array that contains the original packet data received from pcap, which includes the ethernet header, ip header, udp header, and payload data. after the call to write() completes, Wireshark on Machine B sees a correctly formatted (checksums and all) UDP packet when listening to tap0 - ie. no lines highlighted in red. *BUT* - a UDP server i have running on Machine B never receives the reinjected UDP datagram. (I have verified that this server works, by using a simple local udp generator app.) is there something wrong with how I'm creating the socket and/or writing the data back out to the tap0?
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Sep 2, 2010
I tried to setup a connection as below but face some problem (probably route table setting incorrect). Hope if anyone could shed the light.Basically, I have a PC1 (.1) and PC2 (.130) connected via a PC router. PC router has 2 interfaces: wireless (.2) and ethernet (.129). PC1 connects to PC router via LAN cable/wireless interface, while PC2 connects to PC router via cable. This settings try to simulate 1 wireless connection along the path (and because PC2 is too old to support wireless interface, we need a PC router). These interfaces are all under same 172.16.130.x subnet.
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Nov 28, 2010
I'm trying to create EoIP interface on ubuntu so i can create a simple tunnel to my mikrotik router. Is there anyone know how or even done that? If EoIP is not possible, is there any other simple way?
I had already read and thought about doing it with OpenVPN, but when I read the community documentation for OpenVPN on ubuntu 10.10, I fear it won't connect the tunnel to mikrotik OpenVPN server, since OpenVPN on ubuntu uses 2 certificate and 2 key files(as i read on the docs), but mikrotik configuration, i can see only 1 certificate can be applied on. This confuses me and make me decide to use EoIP(but i can't find any tutorial/docs about it). I don't actually need the encryption and security, i just need to create a tunnel for ubuntu and mikrotik.
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May 26, 2011
I'm running Ubuntu 11.04 on my desktop and the 70-persistent-net.rules file seems to be ignored. The ethernet interfaces are randomly shuffled around on boot (i have 4 interfaces). The original one was configured to have a static IP address (eth0). Is there anything that prevents the /etc/udev/rules.d/70-persistent-net.rules from being applied/used?
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