Ubuntu :: Cannot See Router After Adding New LAN Card
Jun 15, 2010
My on-board LAN died so I added a realtek RTL-8029.I modified the BIOS so it used the PCI network card.I restarted the network using networking restart.But i still cannot ping router.
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Apr 24, 2010
I'm having trouble getting my network set up the way that I want it/had it. You see, when I first set up my network, I just had my cable modem going directly to my standard wired router (A D-Link DI-604), which had DHCP,and was connected to all of the computers on my network. I had one switch hooked up to one of the ports of the router, but this was a regular switch, and it would not try to assign IP addresses, it would just pass through the DHCP info as I wanted.
Now however, my network setup has changed. My room mate and I both got laptops, and we decided that we wanted to have wireless access so we didn't have to constantly plug in to the router.
Now my network is set up like this: The modem is hooked up to the router(DI-604), which is hooked up on the LAN side to our computers, our switch (which is hooked up to 3 more computers), and to a wireless router card (A Gigabyte GN-BC01).
The wireless router card has two jacks for ethernet. One for WAN, and one for LAN. The LAN side we have plugged only into the computer in which the card is installed.
Now the problem is this: The wireless router card comes with DHCP by default, and it's assigning addresses to the laptops and to the computer hat it's in, and worse, the IP addresses are on a different subnet than that of the main dlink router. The Main (dlink) router assigns addresses from 192.168.0.1 (itself) to 192.168.0.254, while the wireless router card assigns addresses from 192.168.1.1 to 192.168.1.254 (itself).
Because of this, I cannot access services on the wireless network from my wired network or vice versa. The first thing I tried was setting the card to assign addresses from 192.168.0.12 to 192.168.0.253, however it just said "internal error" when I tried to do this. I decided that this may be because it sees that it was being assigned an address on it's WAN side on the same subnet. So the next thing I tried was disabling DHCP and setting the "LAN IP Address" to 192.168.0.12, hoping that the DHCP would just go through the card, like a switch. I would have set the LAN IP address to be assigned by DHCP, but this was not an option, so I decided that'd be the best thing to set it to.
Once again however, setting the LAN ip address to an address on the same subnet as that of the IP assigned to it's WAN side caused it to report an "internal error". I verified that this was the issue by setting the LAN address to several other private IP addresses to test (I.E. 10.0.0.1, 192.168.3.1, 192.168.5.12).
My question then really is: How do I set up both routers so that I can access services and computers from each network from the other network. Should I set them with different subnets and set the gateway on the wireless network to the main router? To the wireless router card? Should I put them on the same subnet? Will it know how to communicate?
Here is a link to (picture) my network diagram. Network Diagram
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Apr 27, 2010
I am currently attending college and living in the dorms we have 3 either-net ports and 3 people in one room. So we bought a router so we could have more then three things plugged in. I figured out via wikis how to set it up to run as a switch but I would like to run it as my own subnet. I have search far and wide for a guide or explanation on how to do this but the only one that seemed to be what I wanted was a bit beyond me.
Code:
Picture of how we get internet
internet comes in through wall from schools router(s)
| ___
====|=======|___|==several pcs plugged into router
[code]....
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Dec 22, 2010
I have an existing network that connects to the 'net via a Linux-based firewall. That system has two ethernet interfaces: one to the DSL modem and the other to the internal switch. Future plans were for adding a second "internal" interface with the idea of moving servers into that (think DMZ). But while I was planning for that, the missus has decided she wants to pick up a Windows laptop and would like to be able to use it wirelessly at home. I have access to a (free!) Netgear WGR614L and was hoping it would work. Unfortunately, I'm unsure how to add the wireless capability to our network.
Questions:
Is it best -- or even possible -- to use one the wireless router for this?
Is it possible to merely hang the Netgear router off the internal switch and set it up for the wireless users? Or...
Would I need to add another ethernet interface to the firewall and hang the router off that? The address of this new interface would act as the default route for the wireless users. Then I'd need to (I assume) add more rules to the iptables configuration to deal with the new network. (I sort of like this option -- it it's actually feasible -- as I can easily shut down any wireless access by logging into the firewall and stopping the interface connecting the wireless router.)
I've taken a look at the setup guide on the CD that came with the router and it assumes that you have a modem connecting your PC to the internet. The instructions have you placing the wireless router between the modem and that PC. For our network, that would have the wireless access coming into the "dirty" side of the firewall. (Not what I would like.)
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Jun 10, 2011
I'm building a Debian based router, I want to add to this router a mail service function. I don't want mail to be sent outside of the network, what I want is the ability for services to send mail to the Debian server and for me to then pick them up from this server via pop3 into my normal mail application. Given I'm not looking for mail to be sent outside of the network and its strictly for services to log notifications via. What of the various mail applications should I setup? i.e. just looking for SMTP + POP3 internally.
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Apr 17, 2010
I've switched to a new motherboard, an Asus P6T SE one, and now I don't have any cable connections in Networkmanager anymore.
I see the new card when I run "ifconfig", it's called "eth2", but I have no idea where to go from here without messing up networkmanager.
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Mar 5, 2010
I'd like to add another network card to my linux box. I've plugged in the hardware and rebooted, but I do not see a second network config file under network-scripts. Also, if I hit ifconfig -a, I only see one network listing. How do I proceed?
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May 23, 2010
I want to add a 2nd NIC to an existing install of 11.2 acting as a LAMP server to so that I can add an internal zone for firewall reasons. Will it just find the card when I start the computer?
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Jan 5, 2010
I have a 64 bit computer with a 64 bit distribution of Ubuntu. The driver for the onboard video card wasn't supported beyond 8.04, so I didn't upgrade. Yesterday, I bought a NVIDIA GeForce 210 video card. I installed it and Ubuntu detected it and worked, but the resolution was limited to 640x480 (I think). I figured this would be corrected by updating, so I updated to 9.04. When I had to restart, the option to select which OS (Linux or Win) came up, I selected 9.04, and the ubuntu symbol came on. The status bar went to the end and the screen turned black, flickered 5 times, turned black and stopped progressing. The xorg.conf file is:
Section"Driver"
Identifier "Configured Video Device"
Driver "vesa"
EndSection
Section"Monitor"
Identifier "Configured Monitor"
EndSection
[Code]...
I tried changing the driver from "vesa" to "nv" without any effect. Does anyone have any idea what I should do to get this to work?
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Dec 17, 2010
Running 9.10 on the computer I am having a terrible time with.
Intro
I have a small office of 5 comps. I had a guy come in to change the router to a bigger one, to go from 4 to 8 outlets. I was changing the service, so first we went to the new company's smaller router and then to the bigger one.
Well, my old Dell and another older box never could get reconnected after the guy pulled out the smaller one and put in the bigger one. First migration was fine though.
I believe I have seen this problem before. I have had several instances of weird internet outages involving single (or worse, a pair of) machines that eventually can go back online. There are some serious bugs in NetworkManager I think which are putting these devices to sleep.
Symptoms
Symptoms I have already seen a lot around here. Yes, I have lights where the line goes in. The system will try to get a dhcp lease and then give up, telling me I am disconnected. That's it. I tried to install wicd on the machine that I reinstalled (again to 9.10), but it was the same, no way to get an IP address.
I have nothing in the networkmanager.state file at all. My nm.config.settings has a no-auto-default:00:16:82:XX:XX line.
And of course in frustration I deleted the eth0, so now I had to make a new one, and its not default.
Obligatory Begging
There is no way two machines have the same hardware problem at the same time. Plus, this is the third time in 6 months I have had two machines with connection problems, where we were checking lines against windows machines and wondering about hardware.
I am already resigned to re-installing on the Dell and hoping it goes ok (its really old). And on the other box (a server) I even re-installed multiple times and it still won't work at all, same symptoms. So I am worried at this point that both might be fuXXored by this bug.
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Jan 14, 2010
I am running ubuntu server x64 as a router. I currently have 2 LAN cards, eth0 and eth1. and I want to add wireless capabilites to the machine.I was wondering if any of you know which card I could use?I want it to be supported in ubuntu server and it must be n-draft, as it is to replace a Edimax n-draft router.
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Sep 7, 2010
Is there a way to see the manufacture of wifi router/card remotely like "inSSider" shows, for example ???
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Mar 8, 2010
My wireless card isent detecting my router even though it has detected my 3 of neighbors wifi. the only reason i thought that it may not be able to detect mine is that i use a wpa2 encrption rather then a wep like my neighbors. so i tried to go and reset my router using my other desktop and set it to a wep encryption, but for some reason my computer still did not detect it. i am using a dell dimension comnputer with both a linkseys N gigabit router model number :wrt310n and the reciving card linkseysduel band wireless N network adapter model number :wusb600n. can somebody please tell my what i am doing wrong? this is rather annoying as i have to drag my desktop and moniter out to the living room just to physically connect to my router to enable internet.
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Apr 4, 2010
I have a Belkin Wireless G F5D7230-4. I was attempting to configure a wireless card on another computer on my network when it froze during the reboot phase after making settings adjustments. The wired connection is fine, except on that computer that I was making the adjustments from. It won't connect at all. I plugged a friends netbook into the same wired line and it connected. Also there is no wireless signal on any laptops. Mac, Win Linux, don't matter. I tried all the various methods of resetting to default but still when I try to access the router's config page @ http://192.168.2.1 I get the error Code: The server at 192.168.2.1 is taking too long to respond.
[Code]...
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Sep 25, 2010
Would it be possible to insert another wired network card into the router-connected computer, share the internet connection and be able to transfer files between the two?
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Jan 6, 2010
Since this is my first post, before i describe my problem, i'd like to say regrats to all of you for maintaining here such a good support community.
So, here we go: I have a headless Debian box and i want to set it up as a small office router/gateway. On the box i installed a regular NIC and a Viking Traverse ADSL+ Card which gets recognised by the OS as an 8139 ethernet card and has an embedded ADSL+ modem. The modem is accesible through the PHY interface once it gets assigned an IP. Having said that here is the actual setup:
eth0 : Viking Card
eth1 : NIC (this NIC is connected to a switch)
eth0 : 192.168.1.2 (internal modem is on 192.168.1.1)
eth1 : 192.168.1.3
/etc/network/interfaces
[Code]...
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Jul 2, 2010
I am really interested to configure my old desktop with Slackware 12 as a router. But unfortunately I did not found any other ethernet card (second) as Realtek 8029. (I need two ethernet cards according to the howto [URL]) It is possible to get up and running this card? I was googling a lot. I tried to use the ne2k-pci module. It seems that it was loaded successfully, but I cannot see my interface (eth1) with ifconfig.
lspci shows:
Quote:
00:0b:0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
lsmod:
Quote:
ne2k-pci 12768 0 (used by)
[Code]....
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Sep 19, 2009
RT2500 wifi card could not connect to wireless router using WPA personal.OS - RHEL4; Dell Inspiron C600; interface detected ra0
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May 5, 2011
wlan0 Authentication capabilities :
WPA
WPA2
CIPHER-TKIP
CIPHER-CCMP
Those are my authentication capabilities, obviously. I am using a WEP encryption for my wireless router and according to this, it will not allow me to connect. Is there anyway to allow that? The wireless card works just fine in Windows, even on the same network encryption type. Using a Intel Wireless/Pro 4965 ag. Note* this is my mother's router and whatnot. She won't change it the encryption type.
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Jun 30, 2011
I installed a Tenda W322P wireless card in my dual-boot PC running both Windows XP and Ubuntu 11.04. The card worked straight out of the box on XP, but does not function correctly under Ubuntu. My apologies for any missing/irrelevant information, I am having to post this from the Windows boot so the Ubuntu settings are not directly available at the same time as internet access.I followed the process detailed here htURL...to install and configure the driver (I believe from reading other sites that this card is the Ralink RT3062 chipset), blacklisted the original RT2860 driver that was in use (couldn't even get the card to scan for wireless networks with the default driver) and restarted the interface.
Since then, sudo iwlist scan can find my wireless router but when I attempt to connect to it, it seems to enter a loop of requesting the WEP key then pausing for a while before re-requesting the key. I know I have the key value correct because it is copied and pasted from the same text file I used to copy and paste into the passkey field on the Windows boot. Attempting to connect to the router using Ubuntu also has the rather unfortunate side-effect of crashing the wireless router, killing off all other device connections until the router has been reset.
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Apr 8, 2010
I clicked "Network Settings", and I found that the ip address was wrong, which is "192.168.1.10/24", and netmask field is empty, so I modifed the configuration file located in /etc/sysconfig/network, named ifcfg-wlan0, added one line(NETMASK= '255.255.255.0'), saved it and reboot the system. After rebooting the system, I still found the ip address is wrong and netmask field is empty, so I have to use ifup command to activate my card manually every time the system starts.
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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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Apr 13, 2010
Because of the configuration of my house, I need two routers.I have a DLink ADSL router as my main router and the Belkin N1 as my repeater.I have set up the IP address in the Belkin to be 10.1.1.10 - my DLink is 10.1.1.1. I have disable the dhcp in the Belkin and set the DNS as ISP provided. [URL]..I have set the channel to 11 and in the Ubuntu Network Manger I have set the IPV4 to Link Local Only. I can see the Belkin and connect with my PC.but it will not take me through to the internet.
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Jun 18, 2011
I want to set up a Linux box as a wireless router to replace our existing Netgear WNR1000 router, as I believe the Netgear does not support the coming IPv6 protocol. Unfortunately, it is not flashable with OpenWRT or DD-WRT presently.
As we have Comcast, our cable modem acts as a dumb modem according to the customer support guy I talked to, and our router is the one that asks for the IP address from DHCP. Thus, when Comcast switches over to IPv6, I don't believe my existing router would work, correct?
My idea is to take a Linux box and put two NICs and a wireless adapter in it, using IPCop or Smoothwall to set up a router. I could then enable IPv6 support for when we have IPv6 with Comcast. Is that possible? Would there be a way to get BIND to hand out private IP addresses in the same subnet on the both the LAN NIC and the wireless card?
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Nov 6, 2009
I have a desktop PC running Ubuntu 9.10 and Windows 7, and a Eee PC 701 laptop running EasyPeasy Ubuntu 9.04. I'd like to connect the desktop to the laptop with a wired connection (eth0), then the laptop to my ADSL router using wireless (ath0).
I have a crossover ethernet cable (I bought on ebay). I have set up my laptop with a static IP address on my LAN and it uses OpenDNS.
I have added this to /etc/sysctl.conf on the laptop:
net.ipv4.ip_forward=1
Then I tried this on the laptop:
sudo iptables --table nat --append POSTROUTING --out-interface ath0 -j MASQUERADE
sudo iptables --append FORWARD --in-interface eth0 -j ACCEPT
This is a variation on what I found on other sites describing how to set up a router. I don't understand iptables very well, but I gather that the above two lines should set up forwarding so that traffic from my router to the laptop will be forwarded to the desktop, and vice versa.
But this doesn't work. The connection doesn't even establish between the laptop and the desktop.
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Aug 7, 2010
I'm using a cross-over ethernet cable to connect a Desktop Windows 7 box, and a laptop running on SUSE 11.2. I want Windows to connect to the internet via the laptop's wireless interface.
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Mar 26, 2009
These r IP provided by my ISP that i've put on Fedora 8:
WAN IP:xxx.xxx.xxx.17 (eth0)
Subnet:255.255.255.252
Gateway:xxx.xxx.xxx.18
Valid static(public) IP set of 2:
IP:xxx.xxx.xxx.147 & 148 (eth1, eth2)
Subnet:255.255.255.240
i want to run xxx.xxx.xxx.147 as a web server & xxx.xxx.xxx.148 as a ftp server. but I'm able to ping only xxx.xxx.xxx.17(WAN IP) from outside world. Can any1 tell me that how can i bring my 147 & 148 IP online without router.
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Dec 12, 2010
I was just wondering if there is there is any difference between a $29.95 router and a $109.95 router. Like is a more expensive router more apt to transfer data to my laptop quicker.
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Oct 30, 2010
I've moved a linuxbox from being my gateway (nat, etc) to behind a new gateway (a DD-wrt router). For transparency purposes, I'd like to continue using the old box services, and just have the gateway in front of it.
Here's what I did:
The newgateway is setup for class C, 192.168.0.0
This configuration works, but sometimes it doesn't and I haven't figured out why yet.
At sometimes, clients on the LAN get throughput rates with very little speed loss (using speakeasy speed test). They will run at 33M on the LAN, running through both the newgateway, and the oldbox, and get about 35M with directly connected to the cable modem.
Other times, it seems nothing can talk with anyone, and I am not sure why.
I know what I have done is a little unconventional, but it's a transitional thing, and I am not sure it is the cause of the problem, although it was the last things changed.
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Aug 1, 2010
My son lost his USB Wireless stick for his Computer. I had thought I heard that if you had a second wireless router, you could use it somehow to detect the wireless router you have already set up in your home (like using a wireless card)? Is this what Ad-Hoc is? Either way, can this be done and if so how? I use a WRT54Gx2 Lynksys router and have a TRENDNET TEW-432BRP wireless router and also a spare D-link DI-514. I use ubuntu 10.04, and also wanted to know if I connected one of the router to his on the LAn port could he connect msaybe through an Ad-Hoc on my local computer here? He uses XP on his. I'm a newbie to linux and networking in general.
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