The tag has no wiki summary.

learn more… | top users | synonyms

3
votes
1answer
61 views

How to use netperf on specific NIC port?

I have two servers, SERVER and CLIENT. Each server has its own onboard 1 GbE ports, and its own NIC with a 10 GbE port. SERVER and CLIENT are interconnected on both a 1 GbE switch (administrative ...
2
votes
1answer
35 views

Benchmark performance of NIC IC 82574L on Debian 7.0

I figured out my NIC is an IC 82574L 1Gbit/s through ethernet by running lshw -class network. Theoretically, this should allow me to transmit and receive packets at a rate of ~125MB/s (I don't need ...
1
vote
1answer
45 views

What is the “kernel build”, and where do I get it?

I am trying to compile OpenOnload from Solarflare for my nic on a server that I'm building. It is saying something about not having a kernel build. root@server:/usr/src/openonload-201310-u2# ...
1
vote
1answer
44 views

How to tell what wireless protocols my network card is using?

I want to know which wireless protocol my card is currently using. I found a similar question that tells you what network protocol your card supports, but I want to confirm that my card is actually ...
1
vote
1answer
41 views

Attaching two network cards two different drivers

I have an Ubuntu 12.04 server that has two 10 Gb ethernet cards that are using the ixgbe driver. I'm installing the PF_RING DNA drivers for these cards (what that is isn't important). I want interface ...
-3
votes
3answers
106 views

Configure eth1 to stop using dhcp [closed]

How do I configure eth1 (via terminal commands) to stop using DHCP. That is, if I had the ability to use the GUI, I would select the MANUAL setting.
0
votes
0answers
208 views

Backtrack R3 can't find wlan

I have installed Backtrack R3 in virtualbox, but i cant find any wireless connections. Cant find anything in wicd either. What i want to do is to run airmon-ng start wlan0 in terminal, and after that ...
2
votes
1answer
107 views

Manjaro Linux - Cable unplugged even if plugged

I have just installed the system (Manjaro) and I have one, major, problem: it says that my network cable is unplugged, even if it's plugged. I have a Realtek RTL-8110SC/8169SC Gigabit Ethernet and ...
0
votes
1answer
92 views

NIC missing in 70-persistent-net.rules

I am using Ubuntu and typing ifconfig -a shows all interfaces but one(eth4), while the file 70-persistent-net.rules contains all(including eth4) but one (eth8). Any idea why is that and what are ...
0
votes
1answer
177 views

Add new network interface to the kvm (Slackware is installed)

Installed slackware11 on KVM, which is controlled by virt-manager. I need one more network interface, so I added another one using the same model as was installed by default, and restarted the ...
1
vote
1answer
274 views

Need to configure network card manually after each reboot

I am using SUSE Linux Enterprise Server 11 (x86_64) as VM Ware virtual machine (that was cloned). Not sure why but network card cannot be configured via yast2. If I go to edit and hit enter Yast will ...
0
votes
0answers
175 views

Intel 87524 e1000e driver “Link Detected: no” but rx interrupts continue to increase

I am using 3.4.43 linux kernel with Fedora 14 and 82574L Intel NIC with two ports, one of the ports has hardware timestamping support for PTP. And I have installed the latest 2.3.2-NAPI e1000e driver. ...
2
votes
1answer
145 views

Force a specific frequency from my wireless card

How can I make my wireless card emit a specific frequency (the ones that it is capable of physically)? I am aware that a kernel module can help (please correct if I am wrong) but am looking for ...
2
votes
1answer
90 views

Detecting Physical Network Addresses Reliably

I'm trying to find a way to list physical (aka MAC) addresses for all network cards/interfaces attached to a certain host. The problem is, I want this functionality on my Debian live (squeeze) USB ...
0
votes
1answer
92 views

Renamed network interfaces [duplicate]

A recent update on my Mint system caused the eth1 to end up being renamed as eth3 and therefore breaking all my firewall & forwarding rules. How does this happen? How can I enforce the network ...
3
votes
2answers
968 views

Creating eth0 with consistent network device naming

From my understanding, Arch Linux uses Consistent Network Device Naming where the network devices are no longer named eth0, eth1, etc. I use the proprietary MATLAB software which requires a device ...
1
vote
1answer
147 views

Is there a list of NICs that work with linux?

I built a new computer and want to install Linux on it. I loaded a couple different flavors and they detect there is a NIC but it won't connect to the network. It looks like it tries and tries but ...
1
vote
2answers
574 views

What module for network card Intel Corporation Device 1521?

I'm installing a new server and I'm not able to figure out what module should I load to make its on-board network card work. Calling lspci prints: Ethernet controller: Intel Corporation Device 1521 ...
1
vote
2answers
1k views

Slow network with e1000

I've got a problem with my network speed. I sometimes have full download speed (i.e. 5 MB/s, which is about my max. internet dl-speed) and sometimes comparable slow speed (about 0.5 MB/s). This is ...
2
votes
1answer
587 views

How to fix networking driver boot load failure after replacing hardware?

After replacing the motherboard, which is the same as after replacing the network adapter interface hardware (NIC), our Debian 6.0.6 no longer loads the networking driver on boot. The manual approach ...
1
vote
1answer
907 views

Gigabit network connection in Ubuntu issue with new hardware

Probably its typical issue, but I couldn’t found the answer. Sometime ago I had mini-ITX server worked on ZOTAC IONITX-G-E. It was managed by Ubuntu 10.10. I setuped Gigabit network with this server. ...
8
votes
2answers
2k views

How can I tell whether a network interface is physical (device) or virtual (alias)?

I have a small home router running OpenWrt (Kind of embedded Linux for routers). It has five Ethernet ports, one labeled WAN and four labeld LAN 1 to 4. It has the following Network Interfaces defined ...
0
votes
1answer
586 views

Setting mobile broadband connection in Fedora 17

I am using a Dell Precision M4500. I've realized that there is a SIM slot underneath the battery slot, I suppose it is for using mobile broadband access. I am usually connecting to the internet ...
3
votes
2answers
3k views

Driver for Intel 2200BG wireless network card

I'm trying to make work my wireless network card Intel 2200BG in my laptop Acer Travelmate 4002WLMI. I tried so far: $ sudo lshw -C network *-network:1 description: Wireless interface ...
1
vote
1answer
664 views

Alternative to ethtool on MontaVista embedded Linux

I am running MontaVista Linux Professional Edition 3.1 on an embedded system. My version of this distribution doesn't seem to have ethtool available, and using mii-tool gives the following error: ...
2
votes
2answers
6k views

'iwlist' -> interface doesn't support scanning (Ubuntu LTS 10.04)

I am using Ubuntu 10.04 (LTS) on a Samsung N150+ netbook. I cannot scan wifi networks using iwlist and I would like to do so. Here is the output from some tests: ...
3
votes
0answers
197 views

biosdevname is giving me “p120p1” instead of p1p1 — is this correct?

I'm using biosdevname on a CentOS 6.3 server to name my interfaces in a rational way. On our new Dell PowerEdge C6145, we have 2 embedded ports and two PCI cards with 4 ports each. On our other Dell ...
1
vote
2answers
298 views

Interface and alias up at the same time

I have on my eth0 NIC card the following IP alias (I'm running CentOS 6.2): eth0 - IP: 192.168.50.1 eth0:5 - IP: 10.0.0.1 Now, when I boot the server, both interfaces come up and respond, but if I ...
3
votes
1answer
215 views

Detecting multihomed machine

Is there a way to reliably detect whether or not a machine is multi-homed? I'd like to be able to write a script that will return a true or false regarding that information.
1
vote
2answers
2k views

How can I debug a problem with my network connection?

On one of my computers with Xubuntu 10.04 there is a problem with the network connection. How can I debug it? I tried the cable on my laptop (running the same operating system) and it worked, so ...