Networking :: Balance The Internet Requests From LAN Using 2 Connections?
Feb 17, 2010
I have a firewall ( a pc with debian 5) with 2 internet connections. each connected to a ethernet card (the firewall has 2 ethernet pci cards so it has one connection per card)how can i balance the internet requests from my LAN using this 2 connections?
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May 12, 2010
My problem is that I would like to load balance or aggregate 2 separate Internet connections on my laptop. Currently a hard line ISP is not available so I'm using an Sierra Wireless 885 USB air card. Thing is the card is quite slow. I also can tether an iPhone to the laptop. The ideal solution would be to have both connections being utilized to help speed up the overall experience, even if it is only a modest gain in speed.
as I do not know much about iptables and basic TCP/IP routing, I'm finding it difficult to implement those solutions. If someone can point me in the right direction ( a slightly dumb down how:to? or better explained? )
BTW, both phone and aircard get dynamic IP's. Running Ubuntu 10.4
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Apr 16, 2010
I recently set up a new web/file server with 9.10 server x64 with 2 NICs and I am trying to configure eth0 to respond to my LAN for internal samba filesharing and eth1 to handle website/ftp requests on my static IP, but whenever eth0 is up the server is not accessible at 173.XX.165.65 for web or ftp but both work fine at 10.1.10.100. When eth0 is down, public IP works fine. I have set /etc/network/interfaces like this:
Code:
# The primary network interface
auto eth0
iface eth0 inet static
address 10.1.10.100
[Code].....
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May 30, 2011
I recently installed Fedora 15 now, and during installation I set the internet connection manually, then did update and after reboot, the internet connection settings have been removed. Now I can not set because the network connection to the Internet Connection is inactive. I mention that before the update was functional internet connection.
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Mar 24, 2011
I've got a Ubuntu Server Linux router that I've got 2 internet connections hooked to. One of them is DSL and the other is cable.
What I'd like to do is have everything go through the DSL connection EXCEPT for one desktop, I'd like that system to go through cable for everything.
Here's a diagram of how I've got things set up.
[URL]
I don't have any more expansion slots on the mainboard of my server for another NIC, also I do a lot of file transferring between a laptop and the desktop I want on the cable connection so I don't want that slowing down the rest of my network.
I've got both providers set up in the providers file and I've got everything going through the DSL connection right now. So far everything I've tried has stopped the desktop from connecting out at all.
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Feb 25, 2009
I have a question, regarding the use of two internet connection on the same server. So, the thing is like this: The server will have 3 network adapters: connected to a DSL modem (on this adapter I have one of the internet connections, a PPPoE connection. It's only purpose is to share the internet connection to all LAN users using SNAT.
eth1 ----> the other internet connection, a much more expensive one actually, used for hosting a website, a domain name server, and a qmail server. eth2 ----> LAN connection So what I want is to make eth1 the "default gateway" (for outgoing mail, DNS requests, etc) and, as I said, use the ppp0 connection on eth0 only for internet sharing in LAN.
My question is (since I'l configure this server in about one week), does anybody have any suggestions regarding how could I accomplish this? I mean, I'm affraid that ppp0 will also try to use the default gateway from the other internet connection and vice-versa. Now, I know I can use the ip route/ip rule commands, but for many reasons I'd like to keep it simple and not use them.
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Jun 22, 2009
I have two internet connections. One is wired ADSL Broadband & another is USB EVDO modem. I can use only one source at a time. That means the traffic will pass through either ADSL or EVDO. Other connection just sits idle. I want to use both the connections together so that I will have increased bandwidth. Is there a way to do that?
My computer has one NIC card. Both ADSL & EVDO use dynamic IPs.
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Apr 7, 2010
I have the latest Ubuntu (9.10) desktop. My 2 cards are:
WiFi: Intel(R) Wireless WiFi Link 5100
Ethernet: Marvell Yukon 88E8072 PCI-E Gigabit Ethernet Controller
Is there any way to get drivers working? My hardware switch is on and i have Ubuntu 9.10 running persistently on my usb so i can download the drivers etc. and install them.
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Jun 7, 2010
I am a user of Ubuntu 10.04 and I use Firestarter because it lets me know which IPs I am connected to, which ports are used, and which applications are using those ports. The problem is that I can't use Firestarter with my non-sudo account (well, I know that I can change my system settings to do that, but I'd rahther not do it).
So the question is: Is there any application that lets the user monitor the internet connection?
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Feb 3, 2010
I have to configure squid server which will have two internet connections on two separate lan cards and both will run simultaneously.I know how to configure squid server with one internet connection
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Sep 18, 2010
While using Ubuntu two other computers lose their connection. One (main) is connected to the modem, other from the switch to the wireless router, and the one with ubuntu wired via switch. Currently connected with Windows 7, other two are connected. Once booted into Ubuntu rest of the computers disconnect?
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Oct 29, 2010
I Installed Ubuntu which was on the laptop before and this install doesn't want to work with a Internet connection. I know my connections is good and the Laptop is fine because it used to have dual boot and windows connected fine.
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Jul 13, 2011
I'm trying to set up an openVPN server for a small office. I've gotten the server running, and configured keys, and been able to connect to the server. The trouble is that once I connect with my windows machine to the server, I am unable to bridge through to the www. I have combed through so many settings and tutorials, and I am confused as to how to set up the interfaces configuration file. Here's a sample of my routing table:
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.8.0.2 * 255.255.255.255 UH 0 0 0 tun0
XXX.XXX.XXX.0 * 255.255.255.128 U 0 0 0 eth0
10.8.0.0 10.8.0.2 255.255.255.0 UG 0 0 0 tun0
default XXX.XXX.XXX.1 0.0.0.0 UG 100 0 0 eth0
How should I be configuring this so that when I'm in the VPN I can get through to the internet?
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Apr 11, 2009
Can I bind 2 interent connections or more on same fedora server to create bigger one with double bandwidth ,or it needs a specific router to be able to do this.
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Sep 18, 2009
I have seen several threads lately about slow internet connections here and elsewhere, but I haven't seen anyone post a reply about blacklisting ipv6 so I am curious as to why?Is ipv6 enabled only on certain distro's or is there some other reason that it's not mentioned?
<If anyone wants to try it, to see if it would work for them>
On Slackware 12.2 and Salix 13.0 just add "blacklist ipv6" to the /etc/modprobe.d/blacklist file. I'm not sure about non-slackware based distro's. Unfortunately, I don't know any way of doing it without rebooting.
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May 25, 2010
I'm running ubuntu lucid and i was thinking in purchasing one or more extra wifi cards to try to configure my computer to manage different conections at the same time, with different isp's. The thing is that I'm not quite sure if what i want to do is actually possible.
The easiest way that crossed my mind was to try to configure a / multiple virtual machines that are redirected threw proxies to ubuntu and try to configure that each proxie port goes threw a different internet gateaway. This way i might be able to divide threw different sessions of JDownloader, installed on each virtual machine, the things i want to download. The negative aspect of this idea is having multiple jdownloader sessions will make my laptop work to almost 100% for sure...
Another thought i have was to make JDownloader manage its downloads in only one session redirecting them to my internet conections; the negative thing is that i think i will have to try to modify its source and learn java...
And well my last possible configuration i had in mind was to try to make ubuntu directly add up all my internet conections manage as if it was one. the negative thing here is that i might not be able to get multiple downloads from some sites
Well, all this where just thoughts, im struggling whether to buy another card or not to try to setup any of this configurations but im not really sure if any of them are actually possible. Is there an easy way to manage this?
I just want to take the most out of my internet conections... if i'm at college i have to options that are quite slow, adding them up with two cards would be great, i might also be able to add a third and a fourth conection. Also if i'm on a coffe and i need some bandwith i could try to make it go with an open network arround, etc.
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May 18, 2010
My linux box has 3 network adapter. eth0 connects with ISP, eth1 is for staff network, eth2 is for public user. I want to limit the usage of internet bandwidth. for example, the traffic going through eth0, 75% is for staff network, 25% is for public user.In addition, I setup shorewall on it for port forwarding and filtering, but I felt the traffic shaping of shorewall is complex. I don't need the specific TOS, but only the percentage. could you give me some suggestion?Which software or package I should use to achieve this goal?
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Jan 3, 2010
I'm trying to do a implementation of load-balance with fail-over system using (ip route2 + netfilter), anyway after spent many time on it, I can't do it on my own, I think I'm so close about the solution anyway after check each line 30 times I'm really lost on IT.
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Jul 3, 2011
I've configuration like this :
Quote:
I try to configure my /etc/rc.local with these setting :
Quote:
But whenever i check my router after reboot, still i can't connect to inet.
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Sep 1, 2011
I am making a content filter for a school. I have a computer with Ubuntu Server and the SOCKS proxy, a DD-WRT router, and a switch. how I could forward all requests through the SOCKS proxy before sending it to the Internet.
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Mar 2, 2010
I came across this while trying to find a solution for my load-balancing clustering issue in another thread. Since I perceive this as something on its own, I decided to post a new thread. I came across this site to setup a two-server cluster using Conga - Luci and Ricci.
From my understanding, this is what was done:-
1. Both servers have luci running using a shared storage via GFS to provide a failover
2. Both (and same) servers have ricci agent running for the clustering
I'm aware that Conga clustering aim to achieve High-Availability.
1. Can it also achieve Load-Balancing?
2. If yes, would the guide from the link above be sufficient or would they be additional setup/pre-req to be done? Since I'm new to this area and there was no mention of load-balancing, I'm still wondering if this is what I need to incorporate.
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Feb 7, 2011
have a problem with my network-manager in ubuntu 10.10.when I dial one of my vpn connections, my other vpn connections be disabled and I can't use them!I tried to restart network-manager and gnome-panel, but it does't seem to solve this problem.
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Feb 24, 2010
say i have an apache server configured for ssl/non ssl virtual hosts and a proxy configured as follows (see squid.conf)the ssl on each name based virtual host is configured on its own port (only 7 of the domains need this the rest are just media and other insignificant bits of data but domains 1-7 contain forms that require specific personal information that may be technically illegal to transmit without encryption)if any additional information is needed just let me know
domain1 is port 443
domain2 is port 444
domain3 is port 445
[code]....
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Mar 22, 2009
When setting up my server I noticed that I could control the amount of connections; the maximum seems to be 256. My server is currently windows 2003 server which is unlimited connections - before I change the server to F10 I need to be able to have unlimited connections (I often go over 256 connections, I have 25 web sites hosted). How do I do this on F10 or is there a better distro for web servers that have thousands of Internet connections at the one time?
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Apr 11, 2011
I am wondering if it is possible to force internet/external SSH connections to authenticate with a public key and allow local connections to connect via user and password?
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Aug 14, 2010
How do Http requests and responses go from a client to the server? IS a TCP Connect Tunnel always formed or is there some different mode ?
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May 12, 2010
I have a server (Fedora 12) setup at a client's datacenter and the network is setup to allow me ssh access into the server, but prevents me from opening any connections from the server. However, I need to make http and https request from the server. What I'd like to do is forward all http/https traffic through another machine outside the network.
I've been looking at the documentation for ssh and the various options there and have gotten so far as to enable initiating an ssh connection from the client network back to my machine, but am not sure where to take it from there.
Here are some of the commands I've used so far:
Code:
I'm attempting to bind port 80 to be forwarded through the local machine. I assume I use "ssh -R" to create a dynamic tunnel to forward requests but I must be missing something.
By the way, root login via ssh is disabled.
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May 10, 2010
I'm trying to work out a way to inspect/modify dns requests as an advertising filter. Iptables is a good place to do this, but I'm having some problems disassembling the packet. On my dev box, when a DNS reply is returned from a request made on the dev box. I use this rule to route the reply packet through a queue:
iptables -A INPUT -p udp --sport 53 -j NFQUEUE --queue-num 1
Will the rule catch the inbound udp packet with the dns reply in it? I get something in the queue, but it's unintelligible when attempting to disassemble the packet. I don't want to move onto looking at my program until I get some feedback on the rule.
Here's a primitive diagram of what I'm working towards:
host ->DNS request->iptables(no outbound rules)-> DNS Server
->DNS Answer ->iptables(queue udp 53 packets)
->inspect packet program-> Allow/Deny -> host processes allowed packets
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Jun 11, 2011
I have a crawler on my VPS VMWare Server (also tried it on my dedicated server). After many requests about 200.000/6h my network is gone. I use lynx to get any website outside of local network and any site is not responding - also tried to obtain IP address instead of host name - no results. I can get every local site. For example when I am on 190.24.2.1 I can obtain a page which is placed on 190.24.2.5 but obtaining 191.54.23.34 is not possible.I tried many things such as changing TCP timeouts to less, restarting virtual machine and no results. After few hours - 4-5 hours I get network working. It is not working as fast as it should but it is ok.
I am wondering where is the problem. Have I got to configure linux? Am I missing something? Maybe some router stack is blocking my ip? (Other crawlers put on same VPS are working properly, but after 6 hours they also crashes)I also notices that I can get like 30.000 web sites per hour (some with errors, some with no response, some with timeout surely) but this number decreases hour by hour and finally reaches zero.Can you help me and suggest where may ba a problem?My system: Ubuntu 10.04 LTS Server, 1GHz, 512 MB RAM, 5 MB/s.
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Apr 12, 2011
I know Ubuntu can do amazing things, but I was wondering if it can use different Internet connections for different websites.
The Setup: We have 1x unshaped ADSL connection at 4MBPS (fastest available) that's used for office related things, Skype, General browsing etc. We have another ADSL connection, this time shaped and running at 4MBPS, I want to send all requests to facebook, twitter and downloading sites like fileserve, filesonic, hotfile etc. to the shaped connection. Can iptables be used to do this? The unshaped ADSL router is connected to eth0 and has an IP of 192.168.0.1 the shaped ADSL router is connected to eth2 and has an IP of 10.0.2.1 Local lan is connected to eth1 and has a range of 192.168.1.0/24 Can iptables send a certain webpage (*.facebook.*) to eth2 and other pages (*.google.*) to eth0 ?
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