The ethernet tag has no wiki summary.
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Can we Bring Up eth1 after removing e1000e modules?
I am trying to setup TCP in RTnet. I am not sure whether its possible. I read that RTnet is not supporting TCP. Is that so?
So now I am trying to setup rteth0 as server and eth1 as client. To setup ...
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1answer
34 views
Parsing protocol and url from packet payload
We are using pf_ring to capture packets. We are able to decipher information like source and destination ip, mac etc from the header information. Now we are moving into payload to decide the type of ...
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0answers
40 views
Super slow internet requests
My Internet connection seems to be extremely slow on loading pages, specifically (it appears) when the browser sends the request for the first time. It takes like 5-6 seconds just to send the request ...
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3answers
30 views
Find out if computer started via Wake-on-LAN or power putton?
Is there any (reliable) way to find out if the PC booted because of a Wake-on-LAN Packet instead of pressing the power button? I want automatically check if WOL is correctly configured.
I know about ...
2
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1answer
36 views
Hardware Ethernet IP Limitation
In Linux Environment
How many number of IP address I can assign to a Hardware ethernet interface ? Is there any limitation ?
what is the maximum no. of virtual ethernet interface I can assign to a ...
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0answers
22 views
Identifying MaxSpeed of a Bonded Interface
I have configured Ethernet Bonding for our RHEL 6.2 Servers. Bonding is working fine but few confusion for me when I configured MRTG to monitor the bonded interface.
MRTG is showing MaxSpeed of the ...
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1answer
113 views
Problem compiling a driver : “No rule to make target”
First of all I am running a CentOS 6.4 installation.
My computer is a laptop and I am trying to install the drivers for my ethernet card, because this week end I lost my ability to connect to the ...
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40 views
Troubles with Wifi and ethernet Aspire One AO725
I'm use Debian wheezy on a Acer Aspire One AO725. It has the following kernels:
3.2.0.4-amd64
3.7-trunk-amd64
The command lscpi | grep Network:
02:00:0 Network controller: Atheros ...
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3answers
89 views
RHEL: Creating stable names for network interfaces
We have a RHEL 5.5 box with 8 interfaces. And the eth interface naming is flip flopping. Sometimes eth0 comes up on physical port 7th, and sometimes on another physical port.
We want the naming to ...
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1answer
30 views
Setting up network cards on FreeBSD
I just installed FreeBSD 9 on a new laptop and I'm having some trouble getting the network cards to work. Presumably the file representing the cards is in /dev, but where would the configuration files ...
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1answer
69 views
Gentoo Linux problems with ethernet [closed]
I'm playing around with Linux for half an year now and I thought I'd be ready for Gentoo Linux. Oh man was I wrong... I'm struggling with it for a week now.
I followed this gentoo installation guide. ...
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2answers
104 views
Creating an Alias to Loopback Interface with an Arbitrary Name
I have an odd problem that seems simple enough but has evaded me thus far. I am attempting to support a legacy application that has a hard-coded ethernet device name ("eth0"). This hard-coding, I am ...
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1answer
66 views
How do I check if I have packet socket support enabled in my distro's kernel?
How do I check that packet socket support has been compiled into my kernel? I'm running Crunchbang, a Debian-based distribution.
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0answers
435 views
Unable to install Atheros AR8161 Ethernet controller driver for centOS 6
I've installed CentOS 6.3. However, eth0 does not show up on ifconfig.
So I figured out that I need to install alx Ethernet driver from here.
Since my internet is not working, as ethernet drivers are ...
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1answer
77 views
Help understanding interfaces in Backtrack
I am fairly new in UNIX and have recently installed backtrack on a VMWare box on my machine and I am trying to use DHCLIENT command but am having trouble in understanding the interfaces.
I am ...
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2answers
128 views
What happens when I plug a Ethernet cable?
What happens when I plug in a Ethernet cable?
I want to be able to see what's happening on the Level 2/3 (I believe the protocols I'm trying to watch is Ethernet, IP (v4 and v6) and DHCP for IP ...
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0answers
391 views
Why does eth0 only go up sometimes on boot?
I just installed Arch with Archboot. On boot, there's about 50% change of eth0 to go up. If it doesn't I'll have to reboot. What could cause this?
If it goes up, dmesg contains:
[ 7.9...] IPv6: ...
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169 views
Wlan0 Static Ip bridge
EDIT: Even taking br0 out, still cannot get a static IP connection.
I had the following /etc/network/interfaces configuration and it was working
auto lo
iface lo inet loopback
auto eth0
iface etho ...
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0answers
104 views
Set up network interface for automatic connection
I have an ethernet device P2P connected to the NIC in my system.
When the remote device is rebooted or changes its IP address, the local network interface goes down and loses its IP address.
How can I ...
3
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1answer
359 views
Share Internet Connection from computer to new router
On my linux computer I have an external wlan adapter which is connected wirelessly to internet (an access point).
Now I want to connect my linux computer via ethernet cable to a new ddwrt router. This ...
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0answers
44 views
Would it be possible to not have the network link cycled on loading the kernel module?
Using some cheap hardware in a thin-client setup we use a diskless PXE booting a small Linux kernel. Currently, it takes a quite some time to boot it fully up and we're looking into some optimizations ...
2
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1answer
105 views
directions about customized Layer 2 implementation in linux
I have some machines running on the same network. One node is the control node which distributes traffic coming to it to the other nodes. The thing is that I want to have a custom protocol header ...
2
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1answer
163 views
Excessive retransmissions on Ethernet
The CSMA/CA variants of Ethernet handle excessive failed transmissions due to repeated collisions by dropping the current frame and relying on upper layers for retransmissions:
After 16 attempts ...
2
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3answers
129 views
Connecting Debian webserver to network
I am currently running a webserver with Debian 5.0.2. It has been working (more or less) fine for the past 2-3 years but recently it went down due to some power-outage. Ever since I have brought it ...
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2answers
562 views
How can I disable TCP/IP for an Ethernet adapter?
I have CentOS 6.3 running in a (virtual) machine with two Ethernet adapters. I have eth0 connected to a TCP/IP LAN and eth1 connected to a DSL modem. The system is intended as a dedicated ...
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2answers
3k views
CentOS 6.3 Device eth0 does not seem to be present (Minimal non-cloned setup)
I installed CentOS 6.3 on my hardrive partition (new install...minimal install).
After successful installation, I see that eth0 was down
looked for 70-persistent-net.rules file under /etc/udev .. ...
2
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2answers
2k views
Where could I find the ifcfg-eth0 file?
I am using RHEL6, but I could not find the Ethernet interface configuration file ifcfg-eth0 under /etc/sysconfig/network-scripts. Issuing ifconfig -a shows that eth0 does exist. Could it be that the ...
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1answer
1k views
What is the difference between virbr# and vnet#?
I am running KVM on RHEL6, and I have created several virtual machines in it. Issuing ifconfig command to the host system command line shows a list of virbr0, virbr1... and vnet0, vnet2... Are they ...
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1answer
439 views
Network Interface Names output from ifconfig
So this has been driving me nuts for a good couple of hours, so I thought I'd ask about it here (let me know if there's a better forum for this question).
I have a CentOS Virtual Machine on ESXi. I ...
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1answer
321 views
ifconfig + FAILED from ifconfig on solaris machines
please advice - what the meaning of FAILED word from ifconfig command
Dose its mean that network from NIC isn't stable until this moment ?
Not clearly if ifconfig read network status each some mili ...
2
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2answers
387 views
How can I configure ethernet?
I just started using linux (installed Debian) and the one thing I'm trying to do right now is have my internet working.
I connected my ethernet port but still no internet works. I googled for awhile ...
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1answer
432 views
Reducing ubuntu boot time using dmesg
The boot time is 141 seconds. Here's the most interesting parts of dmesg command:
[ 2.870498] usb 1-1.2: new high-speed USB device number 5 using ehci_hcd
[ 80.669210] ADDRCONF(NETDEV_UP): eth0: ...
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2answers
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Cannot get Realtek r8168 ethernet card up
I've working on Arch Linux and in 99% of time I connect to internet by WLAN but sometimes I need to use ethernet connection, so today I see something strange. My eth0 device is down, and I can't get ...
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2k views
ADDRCONF(NETDEV_UP): eth0: link is not ready
my OS (Ubuntu 12.04) started to load slowly. After I choose OS from GRUB, it takes like 50 seconds of loading to get to login screen. I google'd, that command dmesg can provide some useful output.
...
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1answer
94 views
Network Disabled
I have just installed ubuntu server edition in order to create a home network. But I am not able to find IP of the machine through ifconfig (showing only localhost). Then I tried
lspci | grep -i ...
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334 views
Linux Mint: LAN “Cable not connected”, despite it is
I've just installed Linux Mint 13, 64 bit (from the CD of "c't kompakt Linux", if this matters), and came across a very unexpected problem, for which I've not found a solution with Google or searching ...
2
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1answer
305 views
Bond slave link up is too slow
On one of my servers I set up a bond-device consisting of an onboard network-card and an PCIe network card. (eth1 and eth5)
I set up the configugration according to man ifcfg-bonding - i.e. eth1 and ...
4
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1answer
1k views
Using the Wifi of a notebook via ethernet for another PC
I want to connect a PC to the internet via my notebook, which is connected to a WLAN.
The setup should look like the following scheme:
PC (eth0) -> Notebook (eth0) -> Notebook(wlan0) -> ...
3
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2answers
1k views
How do I configure which ethernet connections are active on boot?
I have an unmanaged dedicated server that I administer, running CentOS. Recently when I reboot the server, I am unable to use SSH. Both times this has happened the server host has determined the issue ...
3
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2answers
256 views
Network issue in vsat
In my server-client architecture, I multicast 100 MB files to many clients from server via satellite link. Network traversal is through 5 hops. I have the 10Mbps ( i.e. 1250 Kilo Byte per second ) ...
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2answers
1k views
Solving Ethernet watchdog timer deadlocks
I have a debian linux box (Debian Squeeze) that deadlocks every few hours if I run a python script that sniffs an interface...
The stack trace is attached to the bottom of this question. ...
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1answer
557 views
Display all network interfaces on Solaris
On Linux, the command mii-tool displays the list of Ethernet interfaces and other information. What equivalent command existson Solaris? My goal is to view all LAN networks that my Solaris machine is ...
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1answer
5k views
wired connection not working under Ubuntu 10.04
(using Ubuntu 10.04 LTS on a netbook prior to any updates) The wireless works fine, the wired connection has been tested using a Windows computer.
Choosing auto eth0 from the power manager fails.
...
3
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2answers
206 views
Ethernet Sniffing Embeded Device
I recently dug out some prototyping equipment from the trash and I want out figure out what the heck it is. It has a port labelled 'Ethernet' and when I plug it into a router the lights flash like its ...
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0answers
657 views
Multiple subnets on multiple virtual interfaces with one physical interface
I have a Ubuntu pc with one interface -- eth0 -- which is connected to an unmanaged switch which is linked to two subnets: 192.168.0.0/24 and 192.168.1.0/24. I want to have two virtual interfaces with ...
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4answers
1k views
Low Cost, 2 Ethernet Ports & Runs Linux
Looking for an inexpensive embedded device that contains 2 Ethernet Ports, runs Linux (or some other type of Unix), and is under $50.
My main concern is cost. It must be under $50 and have 2 Ethernet ...
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2answers
3k views
Configure a bridged Ethernet adapter in a VirtualBox guest running Scientific Linux
I installed Scientific Linux 6.2 x86 in VirtualBox on Windows 7 x64.
The adapter is
Adapter 1: Paravirtualized Network (Bridged adapter, Marvell Yukon 88E8056 PCI-E Gigabit Ethernet Controller)
...
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269 views
Configuring multiple static IP addresses for a disk image
Using Ubuntu 10.04
I'm using Clonezilla to create and install a customized image. I'd like to be able to set up multiple static IP addresses. For example, I'd like the first interface to have the IP ...
3
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2answers
432 views
Wait for ethernet cable plug-in/plug-out event under Linux?
I know that I can poll the link state via the SIOCETHTOOL/ETHTOOL_GLINK ioctl but this would require to endlessly request the state. The same goes for parsing /var/log/messages. So my questin is, is ...
2
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1answer
416 views
Fedora 15: em1 recently dissapeared and hostapd no longer serves internet to wirelessly connected devices
I have a laptop running hostapd, phpd, and mysql. This laptop uses an Ethernet connection to connect to the internet and acts as a wireless access point for my workplace's wifi devices. After ...
