Networking :: Internet Is Very Slow With Slackware 13 Router
May 16, 2011
I just installed and configured Slackware on an old computer I am using as a router.
The internet works fine on the slackware box (router) but all of the computers behind it are having issues. When browsing, some websites work perfectly fine, while others are slow to load, and a few don't load at all. I'm not really sure where to start on diagnosing this, so any help would be appreciated.
Also whenever I restart the computer, I have to use this command before the DHCP server will start. What do I have to do to get it to start up with the computer?
After installing Slackware 13 and configuring it as a router, I'm getting very slow internet speeds on my clients. It takes forever to connect to a website or downloading 100mb bin file also takes forever. On the Slackware box the speed is fine though. When I boot from my previous Slackware 12 drive, the speed on the clients is ok again.
I have compared config files from my old and new installation and haven't found a difference. from other posts I learnt that disabling IPv6 by adding it to the blacklist could help. But this didn't help me either. I have also compared a traceroute on both installations. This also doesn't show a (big) difference.
The only difference I have found is that in my Slackware 13 setup the following modules are loaded while with my old Slackware 12 lsmod is empty.
The only thing I can think of is a missing option in the kernel. I have used the huge-smp from the Slackware DVD, assuming this would have all the important stuff enabled by default. It this right?
Some additional info: eth0: nVidia Corporation MCP51 Gb onboard Gb NIC, connected to LAN (static) eth1: 3COM 3C2000 Gb NIC, connected to cable modem (dhcp) dhcpd is running to configure clients in the network arno-firewall installed
Files I have compared with my old (working) system:
i have a nb5plus4w modem/router at home which acts as a dhcp server on my lan. upon connection it instructs the clients to use 192.168.1.1 as a dns server (which is the ip address of the router) and linux machines are happy to use that in /etc/resolv.conf. now the issue is that under these conditions dns resolution is sloooow. there have been some discussions on the net saying that the router is not a 'real' dns server (don't know what that means), but the only way i have been able to get around the issue is to edit /etc/resolv.conf to use my isp's dns servers and then chattr -i the file so that dhcpcd doesn't change it.
this approach works for the desktop and even though it is ugly it's effective. the laptop is a different issue. if i take it out of the house i have to chattr -i and let the new network put it's dns addresses in and then change it all back when i get home so, the question is... can i do something to stop doing chattr and get the dns performance of a windows machine (dns resolution is quick on the windows machines)?
I have an adsl modem acting as a bridge to my router my setup was working well for more than year now , but then the internet went slow . I set the modem back to PPPoE the problem was with the DNS server of the ISP so using ifup i set the dns t 188.8.131.52 (google) the connection is back , but when i set the modem back as a bridge slow internet does the router know that my dns is 184.108.40.206 or i should set the dns on the router ? I can't see an option to set the dns on the router ( i just enter my username and password from the isp to use PPPoE mode ) by the way i called the isp support they kept telling me to restart , i told them i did but i never restarted my pc . I'm sure if i tell them i'm running linux they will blame the os !
I am trying to get a Slackware server up and running. I got a static IP working kinda. The computer gets a response when I ping the router but not the internet. Basically it can communicate with other computers on the network but nothing outside of the network. Its not a problem with the router because I have a couple other computer with static IPs. Also the network card works fine as it can get on the internet fine normally.
It seems every 30 seconds the internet lags, after that it is fine for 30 seconds. And this happens continuously. Also it seems when I am on Firefox if I am connected to a website, I can navigate the website with not further trouble. But if I navigate away and try to go back, it takes a while. I didn't update, or upgrade or anything. I am running 13.1 and have been since it came out. This just started with the internet 2 days ago. Also I have a dual boot with Win7 and the internet is fine on Win7.
this is all on LAN.Whenever I transfer files through the router A to a pc connected wirelessly, the internet hit the speed of molasses. What can I do to rememdy this? I was thinking about having my fedora box connect wirelessly to the internet, through router A, and then bridge via ethernet to router B and then have my pc always connected to router B, so when i transfer files, router A remains unaffected. Is this correct logic?
I was introduced to Ubuntu about a year ago and recently decided to come back to using the OS. I now dual boot it with Windows XP Home. My former setup was with Wubi but now I have it installed on an actual partition. (The Wubi install, for whatever reason, had little internet problems.) I use wireless internet, and though my network card was recognized out of the box and can connect to my network, the Internet is very slow. It takes almost a minute to look up Google. Also, Firefox will often report that it cannot find the server for whatever website I try to look up, after trying to connect to it/look it up. I also cannot access the web configuration page for my router. (192.168.1.1). The network app reports that I often have a signal strength of 40% or lower. The following is my hardware/internet:
Ubuntu 9.04 Jaunty TrendNet TEW-424UB adapter (54mbps) Westell VersaLink 327W router ISP: CenturyTel/CenturyLink High speed internet (512kbps)
I am the only Linux computer on my network. (There is no encryption on my network. I know there should be. but my parents are not very computer literate and they are the ones who have access to the network. It is easier just to go without.)
I have tried disabling ipv6, setting custom DNS server names under ipv4, and setting the wlan rate (or something similar) to 1492. Nothing works. This does not seem to be a network problem because my internet works fine in Windows, and I can access the configuration page for my router to change channels, PPP, etc..
is there a possibility to connect to my router admin zone from internet using wan ip? from lan I can do that using 192.168.x.x IP but when Im in work and something go wrong at home how can I check configuration of my router from outer world instead of lan?
I'll state the issue and then give whatever extra details are needed. I'm running Ubuntu 10.xThe Linux box is connected to a router via ethernet. That Linksys router is bridged to an AT&T router.The bridging is working fine. The AT&T router's page shows the IP of the Linux box and lists it as a device. The Linksys page shows no errors with packet transmission and receipt. I can ping the Linux box from any client on the AT&T router, and can ping the AT&T clients from the Linux boxI had set the IP of the Linux box to192.168.1.201 while configuring that router, as I had set that router to 192.168.1.200 and it just seemed orderly.The network preferences show eth0 being set to auto dhcp, but the IP is still set to .201 so I don't know that it actually released or renewed.
just installed Ubuntu Netbook remix on my acer aspire one, and come across a problem Ive never faced before. Im able to Connect to my router (and access it through the internal ip address) but as soon as i try access anything outside of my network there is nothing!
This i found odd as first i thought it might have just been my Routers problem, but seeing as all my other computers were connected to it with no problems (wired and wireless) I quickly traced the problem back to the laptop.
After this i decided to see if after a simple update would fix the problem. so i connected it up through the Ethernet port once again it connects to the router but no internet! I have tried everything in my knowledge, but with no success!
I am trying to set up a basic router. I am running ubuntu server 10.04(just installed it today!) I have a verizon aircard(mobile broadband card) that is connected via usb. I am using wvdial to "dial-up" the connection. This works just fine and gives me a device on ppp0. There is a single lan connection on eth0 set up as a static ip address under /etc/network/interfaces. I don't even have any firewall running yet. For whatever reason, I can only get out on the internet when eth0 is set to get its ip address through dhcp. When I set it up with a static ip, I get for example:
If, however, after I have booted and the wvdial has been started, I set up eth0 as dhcp, run /etc/init.d/networking restart, set it back as static, run /etc/init.d/networking restart again, all work well. When I reboot the system with the static ip on eth0, and connect to wvdial, I get no internet again.
My internet works fine if I plug directly into the modem, but if I go through the router either using ethernet or wireless it doesn't work. I can access the router perfectly when using wireless and change settings and all that but cant access the internet. From what I've read it isn't a DNS issue because I cant get a result from pinging an ip, so I think it may be something firewall related but I'm unsure.
I am connected to my wireless network but can't connect to the internet. I have searched the ubuntu forums for solutions but none seem to work for me. I can post terminal outputs if required (I know that much).
My router is a Netgear router with Comcast, and after going on Ubuntu for a couple hours just doing normal things, the Internet disconnects. Then I have to restart my computer and start everything over again. I check the router and everything seems to be fine, I even unplug everything on the router first (like I am instructed to do so if this sort of thing happens) to make sure that's not what is causing the problem. It has to be the Ubuntu system.
I am dual booting XP and Ubuntu 10.10 64bit on a Dell Latitude E6410 and I have a Linksys WRT120N router connected to my Modem.
So the weird thing is, under XP I can use the internet while connected to my router. Under Ubuntu I can't use the internet while connected to my router. But I can use the internet in Ubuntu if I connect to my neighbor's router called "linksys". So something happens when I connect to my router that makes Ubuntu not able to access the internet. But if I'm connected to my Neighbors router or if I use XP while connected to my router I can use the internet.
I have been using Ubuntu for about a year, so I'm getting better but still a noob. I've tried to figure out what's going on by looking at other forums and posts and trying to see if anyone has solved this. So far I've had no luck. This is also the first of many problem I have encountered that I have been unable to solve using online posts, and is the first problem that I have had to resorted to creating a post to try and fix.
I'm running a Natty machine wired to a TP-Link router (TL-WR841N) with additional Ubuntu and Windows machine on WiFi. Recently I've had some problems with connectivity on the Natty machine. Connectivity is fine as far as the router, but not beyond it. This applies to all browsers, Software Center, Aptitude and anything else you can think of. Now, normally at this point I would call my ISP, but the thing is, all other machines have connectivity. I've checked the cables twice and anyway, if it were them, I wouldn't be able to ping the router. Router has ping functionality to outside and it's working, have tried ubuntu.com and google.com. Also, connectivity between the wired and wireless machines is fine, pings are flying across the network beautifully.
I connect my internet using pppoe to may DSL modem with bridging mode, and it goes fine until I try to put a wireless router between my PC and the modem. After I configure both modem and the router, I can run my wireless network fine by connecting it from a laptop, but my PC is unable to reach the modem at this configuration.
PC has address 192.168.2.100 Router has address 192.168.2.2 Modem has address 192.168.2.1 all with netmask 255.255.255.0
With bridging configuration in modem and automatic detect configuration in the wireless router, the wireless network run well, except the PC cannot ping the Modem saying that
root@firefly:~# ping 192.168.2.1 PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. From 192.168.2.100 icmp_seq=2 Destination Host Unreachable
Looks like my PC, which has Slackware 13.0, don't know how to reach the modem even they are physically connected.
1. how can I configure the modem, PC, and router so that the PC can reach the router? Do I need to do add route gateway from the PC?
2. How can I configure internet connection from the PC (before I use PPPoE)?
3. How can I configure the modem, PC, and router so that the wireless network is on?
How can I successfully SSH using SecureCRT from the Internet to my Centos Linux box at home behind the router? I have a DGL-4500 dLink router. I configured a Virtual Server in the router for SSH 192.168.0.182 Protocol 6 TCP public port 22 ? private port 22 Schedule Always Allow Inbound Filter Allow All. Further I Enable DMZ for 192.168.0.182. I got my Internet IP address through "what is my ip website." Now every time when I try to SSH, I get a message "The remote system refused the connection". Here is iptables -L command output;
I cannot connect to internet. I just installed Fedora 12 w/ the Live CD and I have a Linksys WMP54G Wireless Card (v4.1 I believe) and it apparently installed fine upon install of fedora. It will not thought connect to the internet. It reads my connect (NETGEAR-2.4-G), my router is a Netgear WNDR3300. It worked perfectly fine on Windows XP. Like I said, it picks up my wireless connection. But when I go to connect it attempts to connect for like a minute or two then goes back to not connected.
I've installed ubuntu 9.10 64bit onto a usb flash drive and found that even though I can connect to my safecom adsl modem/router I can't get an internet connection, the previous versions work and it works with a Linksys router. Is this a known issue with a fix?
I have a dual-boot desktop with Windows 7 and Ubuntu.Problem: Linux does not recognize my D-Link DWA-131 Wireless N USB Adapter. So, I can't access my wireless router or the internet.D-Link has a Linux driver for the DWA-131 posted on their website URL...that includes a readme file with long, strange, convoluted instructions on how to install the driver.
I'm a beginner in Ubuntu, I'm using Ubuntu 9.10. Currently using a Dlink GLB-802c router and using a ADSL connection. I try to connect to the Internet but it is unsuccessful. Ubuntu is not indicating my router when I connect to the PC.
My PC is P4 and using USB to connect to internet, PC haven't a Ethernet interface.
Every time I turn on my ubuntu box, it somehow kills our internet connection... yes, even through the router. The internet will not work until I call tech support and they run a line test. Then it works again as if by magic. I'm at a loss. A friend suggested maybe ubuntu is trying to establish itself as the dhcp server on the network? I have ubuntu 9.04, 32-bit, workstation.
I have a desktop, a laptop, & a wireless router. The router, unfortunately, doesn't support dd-wrt, tomato, etc firmware, but I would still like to prioritize voip/web browsing over bulk Internet traffic. I hope I can offload the router's missing QoS to my desktop.
Is it possible to have the laptop's connection go from the wall to the router to the desktop, where the desktop could perform the QoS of tomato, then continue on to the laptop? I'm a bit of a noob to networking (subnets?) but do well enough following good instructions.
As for the program that would do the QoS... Don't some Linux machines basically work as super-powered routers for businesses? So there must be some package but couldn't find one. The closest I got was wondershaper but it only shapes traffic for the computer on which it's installed; it might form part of the solution but falls short on its own. other devices should be able to access the Internet normally if the desktop is turned off, & work with other devices like a (jailbroken) iPod Touch.
trying to run 10.04 netbook live from a memory stick with a view to installing it on my laptop. However although I can see my wireless router and connect to it I cannot access the internet. I have tried this on my laptop and desktop with the same result. I was however able to download Seamonkey browser using the software manager....this also cannot access the internet. Both of my PC's have no problem when using XP or Linux Mint.
I have also discovered that if I piggyback, using Ubuntu 10.04, on a neighbours open wifi link I can gain access to the internet. My wifi is using WEP protection but as I said I can set the link up to the router, entering the appropriate key code, and have a good signal strength, I just cannot access a google search page.
- CAN connect to other computers - ssh and vnc over the home network (via D-link 524 router). - CAN get an IP address via DHCP - CANNOT get internet connections - including router at 192.168.0.1 - CANNOT even ping router (but I get an IP address - weird) - Other computers on the network CAN access internet - Live CD could not access internet
results of ifconfig
I am wondering if his ISP could be doing this - he has received a warning letter about bitorrent. Could the isolate a single computer behind a NAT router?
This is the results from dmesg:
I have tried:
- to set proxy settings as "Direct internet connection" - disconnecting power to (including 30 sec wait): modem, router, computer + unplugging ethernet from computer - Live CD (he only had an old one 7.10) which also didn't connect to internet, but as I am remote, I couldn't do any more. We are downloading a 10.04.1 iso for him to burn tomorrow, and will try that again. - Uninstalled Crashplan which was the last software that we installed (and it was working ok).
I am currently ssh'ing into another computer on the network that IS working, and then ssh'ing into my Dad's computer - including a VNC session (tunneled through both machines and router).