Networking :: Udev Failure With Multiple Interfaces
Jan 7, 2011
I have got a problem in the configuration of the network for my Linux box. The distribution is Slackware 12.2 with the 2.6.27.7-smp kernel. There are three ethernet NIC, one on the motherboard with Atheros AR8121/AR8113 chip and two on PCI card which with RealTek 8169.
I installed the module for Atheros which is the atl1e.ko and I defined the configuration for the three NICs in /etc/rc.d/rc.inet1.conf.
When I hit the commend ifconfig I see all the three interfaces eth0, eth1, and eth2, but the address are not distributed between the NICs as I'd like so I thought to resolve the inconvience with udev, but I don't know how to proceed because there is a strange situation.
If I control the file /etc/udev/rules.d/70-persistent-net.rules I see a strange situation: Once the file contains nonly a line for the Atheros NIC but if I reboot the system there are the two lines for the two RealTek NICs and everytime the system is rebooted there is a change between these two alternatives. A detail I noted is that the two modules atl1e and r8169 are both always loaded, so udev has always the chance to detect the hardware but for some reason that I don't know something goes wrong. Another related problem that bothers me is the absence of udevinfo and udevtest. Have I perhaps to reinstall udev?
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May 8, 2010
# rfcomm -a
rfcomm0: 00:1A:89:09:8C:77 channel 1 clean
rfcomm1: 00:07:E0:2E:99:43 channel 3 clean
Then I connect by the mobile, and:
# rfcomm -a
rfcomm0: 00:1A:89:09:8C:77 channel 1 clean
rfcomm1: 00:07:E0:2E:99:43 channel 3 clean
rfcomm2: 00:1BC:0F:5C:AB -> 00:07:E0:2E:99:43 channel 1 connected [reuse-dlc release-on-hup tty-attached]
What the heck is that rfcomm2, when that mobile is bound to rfcomm1? Is it udev that makes fun of me? If so, how to bind the devices to specific rfcomm interfaces via udev?
[Code]...
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Mar 11, 2010
I would like a basic firewall on my netbook and first attempted this by using firestarter as i have no experience in writing IPTABLES rules from first principle and to be honest the syntax looks horrific! the problem with firestarted is that when i selected WLAN0 to be the internet connected port everything worked fine until i connected to a VPN at which nothing would work (the only error i got was when pinging an IP address when i got sendmsg not permitted) my normal setup is this.... normally im connected via WLAN0 to the internet. but one one particular network i must activate the VPN to use anything, this creates another interface tun0. both wlan0 and tun0 will be assigned an ip address but only the tun0 will do anything (the wlan0 one is configured by the network to just allow traffic to the vpn gateway and nothing else) what i really need is some way of creating a basic firewall (drop all incomming except ports i specify) that lives on wlan0 unless tun0 is active in which case it moves to tun0
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Feb 16, 2011
Is there a way to do multiple interfaces in tcpdump? I have found that when using "-i any", not all packets are captured (compared to "-i eth0" on a machine with only one interface). I need to monitor traffic on some machines with as many as 6 interfaces, and get these packets that "-i any" misses. When I give the "-i" option multiple times, it seems to only use the last one.
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Apr 30, 2009
What traffic goes where? Why? Any bandwidth advantage? What if one goes down?
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Jul 6, 2010
I have the following setup: Client A, having 2 network interfaces, eth0 and eth1, both with the IP address 192.168.1.1/32. Client B, also having 2 network interfaces, eth0 and eth1, with the IP addresses 192.168.1.2. The routing table on client A has one entry: 192.168.1.2 dev eth0 The routing table on client B has one entry: 192.168.1.2 dev eth1. Basically the idea is to send the upload traffic one one interface and the download traffic on the other interface. (Client B could serve as a gateway). However, with this setup, well... nothing works. The packets received by Client B are ignored. Does the linux kernel have anything against routing packets coming from an interface, although he thinks the source is on another interface?
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Apr 1, 2010
I have 4 interfaces, dvb0_0 - dvb0_3. Each one has a multicast stream coming in on it. The program I am using to decode these streams only accepts one interface though. How can I "combine" so that the program, listening on 1 ip can get all 4 streams? they are on groups 224.0.1.1-4
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Jul 9, 2010
I am trying to run some benchmark tests for multicast. What I want to do is have one system send multicast packets and another receive it on all it's interfaces (eth0-eth3). Whenever I run receiver on more than one interface I get echo effect (if I receive on x interfaces then I get same packet x number of times). Is this how it is supposed to behave? It does not make any difference whether I use loop-back or not. I have set SO_REUSEADDR to yes. I run separate instance of receiver on each interface. I am doing this on RHEL5 systems.
# uname -r
2.6.18-164.20.1.el5
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May 6, 2010
I have 4 Ethernet Interfaces. I need Dynamic IP-Addresses for 2 Interfaces. Can anybody help me how can i achieve that
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Apr 7, 2011
I have a problem where multiple interfaces in my network manager have the same name. This means that I am unable to have different settings for each interface. Here is my setup:
Ubuntu 10.04 LTS
uname -a: Linux muon 2.6.32-30-generic #59-Ubuntu SMP Tue Mar 1 21:30:21 UTC 2011 i686 GNU/Linux
Adapter 1: 02:00.0 Ethernet controller: Intel Corporation 82573E Gigabit Ethernet Controller (Copper) (rev 03)
Adapter 2: HTC Desire tethered via USB. When I start from scratch, with no remembered networks in the network manager, the Ethernet is shown as "Auto Ethernet". When I then connect the HTC Desire, the new network is shown in the network manager also as "Auto Ethernet". Previously, when I right clicked on the network manager and selected "Edit Connections", there were multiple "Auto Ethernet" entries under the wired tab.
Now (and I do not know what changed, sorry), I only see one entry. When I edit this entry (say, add a route), then the route is added for both network interfaces. This used to still work, so I was not worried about the name clash, but now it is causing problems so I need to have a different name for each network interface.
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May 15, 2009
if I want to do eth1, eth1:0, eth1:1 etc and automatically configure them at startup where do I put that in the network-scripts?
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Oct 15, 2010
configure a server with two network interfaces? This system is physically moved from one network to another every few days (different buildings but connected by a VPN). I'd like to be able to control the IP address of the system depending on which port I plug the network cable into with a static setting. Right now the system will connect to the local network, but any requests to go beyond the subnet get lost. The only way I can get the system to talk outside of its subnet is to comment out the second interface.
/etc/network/interfaces:
auto lo
iface lo inet loopback
auto eth0
[code]....
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Mar 6, 2011
I have a built-in gigabit Ethernet card which is connected to a router. Router's IP address is 192.168.2.1 My IP is 192.168.2.161 (eth0) I also have a Nokia N900 connected via USB and its IP is 192.168.1.1. It serves as a second router and on that interface (usb0) my IP is 192.168.1.2 N900 is also connected to a wireless network. Router of that network has the IP 10.0.0.1 and N900's IP is 10.0.0.50 (wlan0) My problem is that I want to reach a server at 10.0.0.7 from my computer. Is there a way I can do that?
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Feb 26, 2011
I have two network interfaces and their entries are shown as eth0 and eth1... I want to assign them static IPs which I do by
ifconfig eth0 192.168.9.245 netmask 255.255.0.0 up
ifconfig eth1 192.168.8.245 netmask 255.255.0.0 up
But I am not sure if it will ping both the interfaces if I issue a command
ping -I eth0 192.168.9.113 (machine in network)
ping -I eth1 192.168.9.113 (machine in network)
I am getting pings from eth0 but not from eth1
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Oct 26, 2010
I'm trying to connect one computer to two others in an ad-hoc infrastructure.
[computer 1] ---- [computer 2] ---- [computer 3]
computer 2 is running Linux and has a single NIC wlan0. I want to it to connect to both computer 1 and computer 3 so each computer can talk to the other. No switch is available so it needs to be an ad-hoc setup.
[Code]...
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May 10, 2011
I've just installed 'Testing' on a VMware server and after I completed the install with no problems, the system booted into the kernel and I noticed the following start up process error:
Code:
startpar: service(s) returned failure: udev...failure!!!
I have not seen this before and am not sure if it's related to the fact that this is a virtual machine and not a physical server or something else. Here is a Screenshot.
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May 10, 2011
I've just installed 'Testing' on a VMware server and after I completed the install with no problems, the system booted into the kernel and I noticed the following start up process error:
startpar: service(s) returned failure: udev...failure!
I have not seen this before and am not sure if it's related to the fact that this is a virtual machine and not a physical server or something else.
Here is a Screenshot.
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Jan 7, 2010
I have a weird issue that I have not seen on any forum. My jaunty on DELL studio laptop seems connected to net, but I can not access any network service (ssh, firefox etc.). But when I connect a cable the cable lights blink as it should be and in wireless connection my wifi light blinks.
It was working 2 days ago without problem, and I have not done big changes recently.I removed and reinstalled network-manager and network-manager-gnome. Nothing changed. I see a message in each restart as follows (when Openafs is starting). I can reproduce it with "/etc/init.d/openafs-client restart"
Code:
ADVISEADDR:error in specifying interfaces: no existing ip interfaces found
#lspci
Code:
04:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe (rev 10)
#lshw -c network
[code].....
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Jan 25, 2010
I have 3 Interfaces for a different LAN's and when I start one interface the another interfaces goes down.How can it's possible?I configure my ethernets as:
Code:
/sbin/ifconfig eth0 172.16.3.108 netmask 255.255.0.0 broadcast 172.0.255.255
/sbin/ifconfig eth1 172.16.3.109 netmask 255.255.0.0 broadcast 172.0.255.255
/sbin/ifconfig eth2 172.16.3.1110 netmask 255.255.0.0 broadcast 172.0.255.255
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Apr 16, 2010
If I try to add a new interface (eth1) to /etc/network/interfaces, I get
Code:
* Reconfiguring network interfaces... SIOCSIFADDR: No such device
eth1: ERROR while getting interface flags: No such device
SIOCSIFNETMASK: No such device
[Code]...
How do I add 2 interfaces and get anyone of them to work, as available ?
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Oct 20, 2010
I have a question related on udev rules. I have a SMS Gateway project using multiple usb gsm modem. I use huawei modem for this project. My goal are every time I plug in huawei devices on my ubuntu box it automatically mounts on specific ttyUSB port
e.g.
huawei 1 -> ttyUSB1
huawei 2 -> ttyUSB2
My problem are to meet this goal i must find unique data between different huawei devices (e.g. productID, vendorID, serial). In huawei product this information are the same with all devices.There is only one unique on every huawei devices. That is IMEI value. How can use this value or find this value for udev rules.
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May 30, 2010
At present, I have:
a Netgear router with DHCP off at 192.168.0.1 my computer
eth0 at 192.168.0.2
wlan0 at 192.168.0.2
The wlan0 interface always connects to the router, while the eth0 interface connects to other computers with crossover and acts as a dnsmasq DHCP server for network boot and installation.
If I use the Gnome NetworkManager to enable both connections, that is, with wlan0 connected to the router/internet and eth0 to another computer, both as 192.168.0.2, I cannot access the internet while eth0 is connected.
Why is this? How can I configure my computer to follow wlan0 for Internet usage, but use eth0 for itself (the latter is working but blocking wlan0).
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May 2, 2011
On Ubuntu 10.04 I would like to setup udev to execute a backup script when a specific USB drive is inserted. Udev detects the USB drive, but my script is executed 7 times instead of just once. Can't figure out what's wrong.
My udev rules file:
Code:
/etc/udev/rules.d# cat 20-stick.rules
ACTION=="add", ATTRS{vendor}=="Kingston", ATTRS{model}=="DataTraveler G2 ", RUN="/usr/local/bin/sync.sh"
Dummy backup script: connecting USB drive results in 7 times date written to /tmp/test
code....
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Mar 29, 2010
I have a rather urgent problem with my network, I got two virtual network interfaces one internal and one external. The problem is; I can't get connection to internet. The external NIC is set as a NAT and the internal is... internal.
/etc/network/interfaces
auto eth1
iface eth1 inet static
address 192.168.1.200
netmask 255.255.255.0
Running with this configuration makes my internet connect go away, however if I remove the configuration for eth1 everything is working fine.
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Feb 16, 2011
My question is about TCP parameters in Linux. By now, I want to change the default values of:
Initial Timeout
ACK Delay
Idle Connection Timeout
I have a Linux Box with kernel 2.6.x and 2 ethernet interfaces. I know TCP is a stack that doesn't have anything to do with ethernet devices. Said that, the question: is there a way to set custom values for each interface? For example, a server listening to connections in eth0 would use one value for Idle Connection Timeout and another server listening to connections in eth1 could use a different value for that parameter.
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Aug 26, 2010
I just recently purchased a Lenovo Netbook s10 3c which I planned to use for working and such. I have always been interested in the idea of using a Linux system, and so I downloaded the ISOs for Ubuntu Netbook 10.04 and also for Ubuntu Desktop 10.04 and 9.04 as well has Fedora 13. (I wanted to try some out.)
Unfortunately, for ALL of the distros, I run into a snag. When installing any of them, my keyboard will not respond to any keystrokes, even arrow keys, enter or caps lock. I have searched on google, linux forums, ubuntu forums and lenova's site, all to no avail. It seems that everyone who is having problems is having problems with some other sort of system which involves a virtual keyboard or USB keyboard (I do not want to have to use a USB keyboard - that would silly considering I bought the thing for easy portability).
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May 10, 2010
I have a computer with three video cards and six monitors. Works great on Windows. Trying to get it to run Ubuntu 10.4 as well. It loads fine when I have it configured to run on one adapter; detects both screens, runs ok. But I want to turn the other 4 monitors on and run the whole thing as one extended desktop (one session, etc). So I downloaded and installed the newest ATI driver for Linux, which seems to work, kinda. I ran this to set up the screens:
aticonfig --adapter=all --initial -f Now when I boot, Ubuntu seems to turn on all the screens (3 viewports, each with two cloned displays from what I can tell). When I enter my login info OR move the mouse off the main screen, the screens freeze and the kbd/ms become unresponsive.
[Code]...
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Jan 26, 2011
I'm having a problem building some applications (e.g. Qsynth and FreeCAD) with sbopkg relating to an unfound library named "jscore". I've been keeping my system up to date with slackware64-current.Google searches have turned up very little about this library. There is a sourceforge page that has no files and seems to be related to a google hosted script jsCore.js... but I don't think that's what's missing here. I've come across some vague references to this jscore library being part of webkit. Can anyone verify this? I updated my webkit library itself and found no apparent results. Perhaps jscore was removed in an update to Qt (both of the example applications mentioned above link to Qt) as it seems to have it's own webkit library, libQtWebKit.
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Jul 2, 2010
I'm on an embedded system that doesn't have Gnome, and I'm trying to startup networking automatically using /etc/network/interfaces. Here's what I have.
[Code]....
eth0 comes up just fine. wlan0 comes up, but it's unable to acquire a DHCP address. I added the following lines to /etc/rc.local, and wlan0 comes up all the way, but I'm not too crazy about this hack.
[Code]....
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May 6, 2011
I'm testing some network setups, and bought two dirt-cheap USB network interfaces. My plan was to attach these two to an embedded device (sheevaplug) and mess with firewall setups. However, the two interfaces are absolutely identical; they have the same MAC, and lsusb -v is the same for both, line by line (except for device number, which tells the order the devices are plugged in, I believe?). Also, this is a single usb bus (single port, with a hub).
Now, obviously I can't make much of a firewall setup if I can't tell the interfaces apart. I realize I probably hit a brick wall, but does anyone have thoughts on this?
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