Networking :: Second Interface Doesn't Work?
Jul 3, 2010
I have two simultaneous active mobile connections through my two mobile phones and USB data cables. Yet I can only send/receive with one connection.
Each of the phone modems have a node in /dev, namely ttyACM0 and ttyACM0. So the modems are detected correctly. After setting up two dial-up connections with the two modems I have two ip's. Ifconfig-a confirms this:
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.10.219.60 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:15209 errors:0 dropped:0 overruns:0 frame:0
[Code]....
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Jul 3, 2010
I have two simultaneous active mobile connections through my two mobile phones and USB data cables. Yet I can only send/receive with one connection.Each of the phone modems have a node in /dev, namely ttyACM0 and ttyACM0. So the modems are detected correctly.After setting up two dial-up connections with the two modems I have two ip's. Ifconfig-a confirms this:
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.10.219.60 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
[code]....
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Feb 3, 2011
I have problems with my USB driver. After adding my device (MSP430 USB-DEBUG-INTERFACE) it doesn't work.
[ 60.476039] usb 2-2.1: new full speed USB device using uhci_hcd and address 8
[ 60.693959] ti_usb_3410_5052 2-2.1:1.0: TI USB 3410 1 port adapter converter detected
[ 60.693981] ti_usb_3410_5052: probe of 2-2.1:1.0 failed with error -5
I try to do: modprobe ti_usb_3410_5052.No changes.It's Linux
Linux ubuntu 2.6.35-25-generic #44-Ubuntu SMP Fri Jan 21 17:40:44 UTC 2011 x86_64 GNU/Linux
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Nov 27, 2010
I have a server with 3 interfaces. Only one of them comes up after boot tho (the one with the cable plugged in). When I start dhclient the others show up in ifconfig... Could it be just cause there is no cable plugged in them? Or then how do i bring them up automatically without having to issue dhclient myself after boot?
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Dec 23, 2010
Network manager doesn't recognize nas0 interface and i have problems with using Gwibber, Evolution mail,Empathy, etc Is there any way to add nas0 in Network manager?? I know the solution to remove Network manager, but i need Network manager because i'm often using wireless (as second internet connection).
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Mar 1, 2011
I'm configuring an HP Mini 110 (wireless BCM4313) to use it as a small Access Point (ad-hoc mode).
I want to make my configuration reboot friendly. With what I have right now, as soon as I reboot the laptop, the wireless interface configuration isn't correctly setup. I have to do "ifdown eth1; ifup eth1" manually.
Here is what I have in /etc/network/interfaces for the wireless interface code...
So the question is how can I avoid having to bring down and up the interface?
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Mar 11, 2010
The adapter I purchased (Zonet ZEW2508 ) uses the Ralink 2070 chipset - a fact that originally excited me because Ralink seems to be fairly loving to the Linux community. However, despite my best efforts I can't get the thing to work. Initially I tried following directions to set up the driver you can download from the Ralink website. The directions I found were written February first, and Ralink updated the driver February eighth - so as far as I can tell the directions no longer work. After screwing around trying to figure that out for a while I decided to give ndiswrapper a go.
Initially this seemed promising. I just harvested the drivers from the CD and followed one of the many ndiswrapper directions available - most helpful seemed initially to be the Ndiswrapper Troubleshooting Guide found in this forum, however the solutions offered there didn't work either. When I throw an ndiswrapper -l into the terminal it looks promising at first, it tells me the driver is installed and the device is present, but it just doesn't work. When I try iwconfig, or iwlist scan it tells me "no wireless extensions," and "interface doesn't support scanning" respectively. The only devices even listed are lo, eth0, and pan0. There's no wlan0 or anything of the sort.
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Apr 23, 2009
I have this annoying problem since day one.I am testing out Red Hat RHEL5, everything is fine except DNS look up.If I ping www.google.com, it doesn't work, ping ip address it all works;if I bring up browser, put www.google.com it doesn't work, can't find the name, however, simply put ip address there it works.My DNS seeting seems ok, and the DNS works from Windows box.
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Feb 14, 2010
I just had an ATT Uverse RG installed. However my Smoothwall router that previously worked fine with the ADSL SpeedStream is no longer accepting an address assignment DHCP ip address from this new gateway. (3800HGV-B)Any thoughts ideas or experience working with this hardware? ATT only supports Windows and Mac
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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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Aug 25, 2009
Networking on Fedora 11 doesn't work for me on various machines. Fedora 10 does, but only if you don't do an update.Why does Fedora get worse the more you keep it up-to-date?
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Feb 15, 2011
I have 2 guest machines on 1 VBox host installed : - one guest with hostname 'debian' is configured as follows and has IP Forwarding enabled to be able to route traffic from eht1 to eth0.
Code:
eth0 Link encap:Ethernet HWaddr 08:00:27:f1:ef:5f
inet addr:10.0.2.1 Bcast:10.0.2.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fef1:ef5f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[Code]....
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Feb 26, 2010
I'm trying to troubleshoot some networking issues I'm having between my Linux servers connecting to a server at another location after a Cisco ASA firewall has been installed at my location. I can make the connection work if I lower the mtu on the NIC (ifconfig eth0 mth 1000) - however that supposedly can break the local network if I don't set everything else's mtu to match. Supposedly I can use the iproute package (debian etch) to lower the mtu on a per-route basis, but it doesn't seem to work for me.
Code:
ip route delete default
ip route add default via X.X.X.X mtu 1000
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Mar 13, 2010
Hello.
I've openSUSE 11.2, 64-bit version, with GNOME desktop.
My hardware is a Conceptronic c150ru.
Well, I configured it with Ndiswrapper (http://en.opensuse.org/Ndiswrapper_howto), and I hadn't problems.
Then, I tried to enable Internet with the terminal. Firstly, I wrote iwconfig wlan0 mode managed. Well.
Secondly, I wrote iwconfig wlan0 essid (my essid). Well.
Then, I wrote iwconfig wlan0 key (my key wep). An error message appears. How can I write my key wep?
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Feb 4, 2010
I'm using ubuntu 9.10 with kernel 2.6.33.I want to plot the cwnd of some tcp connections over the time.So I activate the module (as root) with:modprobe tcp_probeand after that I did:cat /proc/net/tcpprobe > test.log &And than I do a little bit surfing or other things, which use tcp - but the file test.log is empty
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Mar 14, 2011
I am trying to traceroute to google.com
When i do it looks like this
Code:
It does this no matter what site I go to. also the 192.168.16.10 is the untangle server
The command does work for local Ips
Code:
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Jun 9, 2010
I have recently installed ubuntu 10.04. After some days of trying I can say that ekiga doesn't work with 10.04. With the same computer I was perfectly able to use ekiga with ubuntu 8.1, the 10.04 gives me connections problems.... it simply say says "Could not register (Failed)".I'm trying to connect with my voip provider (12voip.com) but it seems that I can't. I have even tried other programs like empathy, Twinkle, QuteCom but with none of them I can connect with my voIP provider. I think there are some connection problems but I really don't know how to face them. We have to configure router in 10.04 for sip connection? Actually I can't phone at all.
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Jul 27, 2010
I've tried to use netcat in the past and assumed it was my stupidity that was preventing it from working... but this is getting ridiculous. I'll execute nc -l 3333 on a server at 192.168.0.105 (after opening it on the firewall of course) then I run nc 192.168.0.105 3333 on my laptop (from 192.168.0.101). and nothing happens... i start typing and nothing comes up on the terminal.
I run nc -z 192.168.0.105 80 which should ideally do a port scan of port 80 on that server (of which I'm running a web server that clearly works) but it doesnt even give me any feedback. Nothing happens. Now when I use the verbose flag i see that I am indeed connecting to the specified port on the server successfully (so the port scan one is a success but only with the verbose flag... which shouldnt be the case I believe). But still once I have the server listening and the laptop connected... I type in both windows and nothing happens...
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Aug 30, 2010
I have JVJ 3G modem,one from Singapore. I have try out as [URL]... But it doesn't work. Has anyone try it before?
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Aug 31, 2010
I am networked to a Windows machine. I can see and open files across the network. I can see and add my HP 6000 printer (it is on the Windows machine). On my Ubuntu machine this printer has a check mark by "Enabled" and "shared" but I cannot set it as default (that option is ghosted) and when I try to print a test page it says "unable to connect to CIFS host" I downloaded the HP Linux setup program. That program cannot locate the networked printer at all.
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Nov 15, 2010
I'm running Ubuntu 10.04 on my laptop. Up until about a week ago, my wireless worked fine, but now it rarely connects. Sometimes the connection indicator shows that I am connected, but when I click on it it doesn't show any active networks. Even when I use a wired connection it doesn't always work.
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Dec 22, 2010
i have had my bluetooth keyboard and mouse working fine for a little while now, then one day.. seemingly out of the blue (no pun intended) it stopped. heres what i deduced:
Mouse works fine, always keyboard doesnt.
I'm using a logitech dinovo edge
and i can manually force the keyboard to connect by putting the keyboard into discoverable mode (press the button on the back of it) and using hidd:
Code:
hidd --connect XX-XX-XX-XX-XX-XX
but who the heck wants to do that on every reboot or resume from sleep! yikes..
firstly, i noticed that bluetoothd was segfaulting alot:
Code:
ec 22 17:26:09 hostname kernel: [21329.811149] usb 2-6.2: new full speed USB device using ohci_hcd and address 6
[Code]....
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Jun 15, 2011
i've installed it on my parents old computer, mostly for downloading. But wired internet did work all the time but then i had to reset our router because of some problems and now it doesn't work anymore! But the strange thing is, if i put the cable on my own laptop with windows on it, then it works as normal.
So i guess its some kind of DNS problem, but i'm very new with ubuntu and also not so good with computers. Our network is simple just an modem connected to an router: Sitecome WL-341.
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May 31, 2011
my problem is following: I'm running a bridged OpenVPN on my Debian. If the service is running, everything works fine: local and Internet, ftp, mailing from in and outside etc. But, when stopping OpenVPN, sending mails from inside (LAN) fails: I cannot reach smtp (postfix) listening on port 465. And even reaching mailboxes using IMAP gets horribly slow eg. in Thunderbird. Here is my firewall.sh script.
Quote:
#!/bin/sh
echo "
IPTABLES FIREWALL inicializalasa - szures"
# Enter the designation for the Internal Interface's
INTIF="eth0"
[Code].....
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Aug 20, 2009
I am trying to monitor a Centos 5.3 box using SNMP and I am having a lot of trouble getting the data that i need from it. Everytime I try to get information from the UCD-SNMP MIB it returns "End of MIB". It is my understanding that UCD-SNMP is a standard package when Net-SNMP is installed and should always be there. Then why can't I access it? I have tried removing the reinstalling Net-SNMP, but that hasn't worked. My server is update date on all it's patches as well. It is quite old hardware, but I don't believe that should affect SNMP from being gathered. Iptables is down, and I cant' even get it from the local machine.
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Feb 12, 2009
I installed F10 today. From live-usb wlan worked fine, but after installing it doesn't find any networks. I tried to google this problem, but everybody says wifi works out of the box. Not for me.
Solved: I disappled wireless networking and appled it again. It found all networks.
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Dec 7, 2009
I have installed Fedora 12 on my laptop.Installing my Broadcom BCM 4312 wireless drivers works just fine, but after a reboot I have to reinstall them. modprobe wl, modprobe wlan0 etc doesn't work either. I need to reinstall them every time I reboot.
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Nov 1, 2010
I'm runnig f 13 on my laptop, and it runs like a charm. But once in a while, the internet doesn't seem to work properly. It mostly works, but right now i am unable to reach certain pages such at google (which is annoying), whereas other pages like yahoo and this one works perfectly well.
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Jun 27, 2011
how nobody else could have run into this in the meantime. [URL] Two friends of mine are having the same issue on Ubuntu-11.4-machines. In short: Connecting to the Cisco-VPN via shell-command "vpnc" works flawlessly, whereas NetworkManager just doesn't connect at all. We had this working in older versions of Fedora/Ubuntu about some months ago...
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Jan 4, 2010
I just upgraded from 9.04 to 9.10. When I restarted, I admired the new login menu, then went to Firefox. I noticed that my wireless didn't work (it did in 9.04) Thinking I'd just need to reinstall the drivers, I plugged in the computer to a working Ethernet outlet with a working cord. I noticed that Ubuntu didn't tell me that Auto eth0 was connected. It didn't tell me anything. And then I went to Google and realized that the wired connection didn't work either. Then I came here on an iPod Touch and you know the rest.
Edit: And other devices work too on the network.
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