Networking :: Setup Bridge Mode For Windows Server?
Mar 3, 2010
setup linux in bridg mode for my windows server ?
my both linux and windows has 2 network cards each.
basicaly it is vLan cards, each server has 2 network cards. one to main switch and one to local IP.
data will be going like below:
internet ----------------> eth0 --> linux --> eth1 ----------------> Windows.
i have vLans on both servers. And i need cross connection setup. And use linux in bridg mode / cross connection .
actualy i want to use Iptable rules to filter bad packets and forward good packets to windows. i have scripts how to forward packets to windows. but the problem is i dont know how to setup both servers in this topology. and how to make linux as bridge.
All it should be in transparent mode. Not in NAT mode.
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Dec 8, 2008
I want to set up a bridge using bridge-utils within /etc/network/interfaces like is shown here in this guide: [URL] The problem is that, at the same time, I want eth0 to have a specific static IP address. Right now I have a configuration for eth0. This guide tells me that I should not configure eth0 outside of the br0 configuration.
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Feb 4, 2010
Im trying to setup multiple domU through the default bridge setup. I am able to access only one of them through the network at a time. If you ping one of the domU it works perfectly but you cannot ping any of the others until you stop pinging the one and even then it takes a bit before you can. Ive looked around for a while and seen similar problems but nothing ever seems quite the same. Im probably missing something really stupid. Or is this the way the bridge is supposed to behave? Do i need to use a routed virtual network?
[Code]....
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Sep 3, 2010
I configured squid in transperant proxy and it's working fine.Now i tried it in bridge mode for that i did setup for bridge mode and it's working fine.But i can not get any http request in squid access log.i can see traffic from my bridge. tcpdump -i br0
configure bridge:
ifconfig eth0 0.0.0.0
ifconfig eth1 0.0.0.0
brctl addbr br0
brctl addif br0 eth0
brctl addif br0 eth1
[Code]...
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Apr 7, 2010
I have installed CentOs 5.4 for Snort sensor , on the location where i intend to place the Snort sensor to listen for internal firewall leg (LAN) the switch doesn't support port mirror so i would like to create with 2 nic's bridge and pass trough the firewall internal leg my question how do i set such configuration.
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Nov 7, 2010
I have OpenVPN running on my Ubuntu Server just fine. I can connect over the Internet and access all my resources on the LAN via bridged mode perfectly. My server only has one LAN card and sits behind my router, which means it has a private IP address of 10.1.1.2....Which brings me to my question. I want to open up access to my friends via OpenVPN, but I don't want them to be able to access other machines on my LAN (e.g. 10.1.1.20). However, I do want them to be able to talk to each other and pass broadcasts (old LAN games), as well as my laptop (let's say 10.1.1.7).I've tried using iptables to block traffic to the LAN (such as .20), to no avail. I've been reading up and it seems as though iptables won't even filter the traffic, as it's passed at a lower layer. Is this true? If so, what do you recommend I do in order to prevent my buddies from accessing the rest of my LAN while siumultaneously allowing broadcasts pass for some very old Windows LAN games (we're talking Windows 9.
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Jun 9, 2009
any one are implementing Transparent Cache in bridge mode. after googling i found article but its not working for me. any one have done this before ? [URL]
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Feb 3, 2011
I have 2 wlan cards. wlan0 and wlan1. wlan0 is in AP mode(Master mode) using hostap. wlan1 is connected to another wireless network and is in Managed mode. Now I want to make a bridge between wlan0 and wlan1. I do it like that:
ifconfig wlan0 0.0.0.0
ifconfig wlan1 0.0.0.0
brctl addbr mybridge
brctl addif mybridge wlan1
can't add wlan1 to bridge mybridge: Operation not supported
It doesnt work, because wlan1 is in managed mode. But Windows 7 can bridge 2 Wlan cards when one is AP and another one is STA. How to do it in Linux?
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Jun 27, 2011
How would I configure my box to connect to a modem in bridge mode?
I have a server at home that im migrating over to be the default-gateway/router. I have everything else setup (dns,dhcp etc) now just need the ppoe part, or so i beleive?
I have two interfaces. eth0 (lan) and eth1 ready to connect to the modem.
The modem is in bridge mode ready to go.
What is my next step? Are there any good guides, I didn't find any.
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Oct 4, 2009
I tried google but without success. I have a small home network and one computer has to work as a bridge (comp1), it connects to the internet through wlan and is connected with cable to other computer (comp2), I would like to to make that second computer member of a local network with internet access.I was trying this:
Code:
ifconfig wlan0 0.0.0.0
ifconfig eth0 0.0.0.0
brctl addbr br0
brctl addif br0 wlan0
brctl addif br0 eth0
[Code]...
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Jul 29, 2011
How do I setup a network bridge in Linux (Ubuntu)? I want to use my computer as a "router" for my Xbox 360.
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Jun 29, 2010
I'm trying to setup a Centos box to act as a backup server for our intranet between stores. I have two interfaces in it, the first one is currently connected to my local network and is using dhcp to get its ip address and such, the second one is set to a static ip address and is connected to an independent network that just has a DigiBoard Portserver hooked to it and no connection to the regular network. What I am doing is using ssh to portforward the telnet port on this box to the main server so when you telnet into the box from the second interface using the portserver you get connected to the main server.
I plan on using this over DSL lines as a backup when our main dervice goes out to allow the portservers at the remote locations to seemlessly connect to the main server by just moving the network cable from the local net to the backup server. My problem is that when I have the everything working I am able to ping the second interface ip address from the normal network even though the secondary card does not in anyway externally connect to the network, this is a problem.
Eventually I want to duplicate the main server address so that the normal portservers and other terminals on the remote site will not have to be reconfigured to access the backup server. All I want is to be able to tell the managers is to switch a cable while the main connection is down and not have to manage a bunch of config files to get the store back up. Right now if I duplicate the main server ip address and it is accessible through the first interface I'm guessing I'll see all kinds of problems relating to duplicate ip addresses on the network. I've tried some routing and iptable stuff but I'm not real familiar with either so I had no luck. Is there someway to block the internal connection between the two interfaces so the only thing that sees the duplicate ip address is the second interface?
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Nov 18, 2009
I am trying to set up bridge, and everything seems to be ok, except 1 thing, it disappears after reboot. So, what I am doing:
Code:
brctl addbr br0
brctl addif br0 eth0
and adding /etc/sysconfig/network-scripts/ifcfg-br0, here it is:
Code:
GATEWAY=192.168.1.1
DEVICE=br0
BOOTPROTO=none
NETMASK=255.255.255.0
DNS1=208.67.222.222
DNS2=208.67.220.220
TYPE=bridge
HWADDR=00:18:f3:75:18:78
IPADDR=192.168.1.3
IPV6INIT=no
ONBOOT=yes
USERCTL=no
and my ifcfg-eth0 is:
Code:
GATEWAY=192.168.1.1
DEVICE=eth0
BOOTPROTO=none
NETMASK=255.255.255.0
DNS1=208.67.222.222
DNS2=208.67.220.220
TYPE=bridge
HWADDR=00:18:f3:75:18:78
IPADDR=192.168.1.3
IPV6INIT=no
ONBOOT=yes
USERCTL=no
How to make it working after reboot?
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Sep 12, 2009
I have one Windows-XP on Machin 1 and one Linux on Machine 2. I want make Linux machine as CVS server and Windows Xp as CVS client. How to setup CVS Server in Fedora-11 machine and CVS client in Windows Xp?
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Jun 18, 2009
having trouble connecting to many websites due to recent actions of the Iranian government on banning a lot of websites.That's why, I decided to make my computer act like a bridge for their computers, so that they can surf the web using my Internet connection in US. I have Arch linux running on my desktop. I tried to install OpenVPN based on the instructions at ArchWiki page, but I had no success. I guess OpenVPN is too much for what I want to achieve and ArchLinux repositories don't have all the necessary packages to configure it based on some posts I read.
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Aug 21, 2009
I've got a home server running Ubuntu Server 9.04 and several machines running Ubuntu Desktop (9.04 and 8.04) and Windows (XP, Vista and 7). Now what I want to do is to create a domain and directory server similar in function to Windows Server w/ AD and join my other machines to the domain, but am not sure where to start. I already have file shares with Samba but now I want to setup a domain.
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Aug 22, 2010
I've currently got a Xen box with 3 Virtual machines on it, in a routed setup. I'd like to put them all on a private internal network as well, which I'm assuming I'd do with a dummy network card and a xen bridge, but I can't find any information about setting up the xen Bridging setup on top of the existing network-route instlal.
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Nov 2, 2010
I have a Ubuntu server with multiple NICs and I'm just thinking about a potential scenario that might come up soon.
Imagine I have a network on floor 1 with an independent cable connection to my Ubuntu server -> switch -> assorted devices, on the subnet 192.168.0.x Now imagine friends upstairs have another independent network with cable -> router -> assorted devices, on subnet 192.168.1.x.
How can I set up my server to provide access for the 1.x subnet to the 0.x and vice versa. Ideally the devices all access internet from their appropriate subnet. I've read something about bridging, is this what I need?
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Apr 11, 2011
i have 3 servers in 2 dcs as follows; server 1 (dc1 - dmz) --- server 2 (dc1 - internal) --- server 3 (dc2 - internal) Now I have an application in server1 that have to connect to port 44000 in server 3 but dc refuse to open connection saying they do not open connections between dmz and dc2 (i have no say over this).
However I can connect to virtually any port from server1 <-> server2 and also server2 <-> server3. Is it possible to do something like;
server1 <-> server2 <-> server3:44000 using nc to get the app work.
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Sep 24, 2010
I wonder what is your opinion about the best method for using an ADSL modem. Router or bridge? I did read some articles that say "that the bridge mode gives you more stability and has higher speed". Is that true?
Furthermore, you suggest any alternative to "pppoeconf"? I've been getting this errors ( in the plog), related to "PAD packet loss" and also errors in "PPPOE Discovery", even when I am connected. When this things starts to show up on the log, my connection "pauses" for some seconds. I do not feel very safe with this program.
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Dec 20, 2008
I've successfully install kvm with private network (nat) up running. I want to switch the kvm network using bridge mode (or host-interface), but do not success. env: nic iwl4965/ kernel 2.6.27.8/ debian etch upgrade to lenny/ kvm 0.9.1/ hardware hp 6910p The doc I follow up is at [URL] The way how i set it up is to modify /etc/network/interfaces by adding following section to enable br0
Code:
allow-hotplug br0
iface br0 inet dhcp
bridge_ports wlan0
bridge_fd 9
[code]....
However, the problem is the guest os, which starts with -hda k1.img, can not access to the internet. Is there any step I miss? or it is because wireless does not support bridge (I've heard doc says that wireless does not support wireless bridge)?
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Jan 17, 2011
I am trying to setup an OpenVPN server in bridged mode (Ubuntu 10.04 Lts). The goal is for the clients to be able to reach all the servers behind Openvpn server's lan. I have followed the official OpenVPN guide for Ubuntu 10.04.
My network setup is:
Private lan: 10.90.90.0-255 255.255.255.0
Gateway: 10.90.90.1
Openvpn server ip: 10.90.90.8
Gateway public ip: 79.xxxxxxxxx
I have forward port 1195 to the Vpn server through my gateway firewall.Besides that no other firewall is running.I can connect and ping the server both from windows and ubuntu clients. The difference is that from windows I can reach the private lan but not from ubuntu clients.
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May 12, 2011
I'm trying to setup openVPN on debian, well this worked. But every client will get the same ip (172.17.0.6 - local it is). how to set my server in bridge mode. I've read about: server-bridge LOCALIP 255.255.0.0 172.17.1.20 172.17.1.100
BUT, my server has no ipv4 address, but only ipv6: 2001:41d0:2:b2d6::542a:74a so I am not sure how I can do this.
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Jan 13, 2011
I've two networks (network 1 in the apartment, network 2 in the basement/server room) I would like to build a vpn connection between the two networks. In networks 1 I have a 24h running PC/Firewall/Debian Server. For network 2 I would like to buy a RVS4000. Is it possible to connect the two objects (Debian and Cisco)?
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Feb 5, 2011
I've recently setup a custom home server running openSUSE 11.3 64-bit in terminal mode. I've since successfully setup and configured it to act as an iSCSI target using the iscsitarget package and the corresponding kernel module, along with the YaST module for the configuration. Prior to setting up my hard drive accordingly, however, I noticed that when I ran 'zypper up' in a terminal I got the following:
Code:
pph-server:~ # zypper up
Loading repository data...
Reading installed packages...
[Code]....
At the time I accepted, and found later that it removed the setup I had, meaning I had to start over. However when I ran YaST in a terminal it then wanted to re-install the iscsitarget package, which subsequently removed the tgt package, and so this continued for a bit. (Thankfully no actual data was stored on the target at this stage .) For the time being I've locked the iscsitarget package and the kernel module to prevent zypper from wanting to remove it and install tgt instead since I now have my target working as I want.
The question I have is why zypper was trying to remove iscsitarget and install tgt, and yet the corresponding YaST module was wanting to do the opposite. Is tgt considered a better option by the openSUSE developers, in some way, for setting up an iSCSI target? Is iscsitarget development/availability being ceased by them in favour of tgt? Is there something else I'm missing? Neither of these packages seems old to me: the latest version of iscsitarget was released on SourceForge last July, while tgt was only updated this month.
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Feb 24, 2011
I'm trying to setup and configure a server entirely with text only run mode 3 on a virtual machine so I can redo my current live server. I'm now trying to set up the firewall of the system using iptables. I've read up on it and came up with the following:
-clear all rules
#iptables -F
-set default policy rules
#iptables --policy INPUT DROP
#iptables --policy FORWARD DROP
[Code]....
Everything above worked for me but just out of interest I looked at my live server which was configured using a GUI. I ran iptables-save and it was pretty much the same but its port open lines read like this:
#iptables -A INPUT -p tcp -m state --state NEW --dport 80 -j ACCEPT
so finally my question is do I really need the "-m state --state NEW"? Wouldn't having that drop established connections on those ports? I'm just confused as to what exactly the NEW state is doing and would it make a difference if I didn't include it.
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Jan 4, 2010
I'm interested in configuring two Netcomm NB504 WiFi routers to work in a Bridge configuration. ie. Local PCs ---> Router <----//----> Router <--- local PCs
The NB504 router doesn't appear to have a native "bridge" mode. However, it does run Linux according to the documentation. I'm interested to hear from anyone who has actually got two of these routers to work in a bridge configuration. I'm not interested in general theoretical comments - only solid advice. I am also not interested in using other hardware for this exercise - I have two of these devices available for use in this project.
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Jun 28, 2011
Does anybody know how to setup bridge interfaces on fedora 15 (VirtualBox4 interface and my LAN interface)?
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Jun 10, 2010
I got two issues with my wifi usb adapter:
1) it cannot see any networks around
2) i cannot setup it in master mode to use my PC as a router
As far as i can see, the device is recognized and the correct driver (rt73usb) is loaded. I was able to connect to a laptop somehow (the laptop could see other networks and the adapter's PC-to-PC network). I'd like to make it work as a router, i.e. share my internet connection (eth0) via wlan0. Here is what i have:
Code:
Ubuntu 10.04
Linux 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 19:31:57 UTC 2010 x86_64 GNU/Linux
TP-Link TL-WN321G wifi usb adapter as seen as
Bus 001 Device 006: ID 148f:2573 Ralink Technology, Corp. RT2501USB Wireless Adapter
$ iwconfig wlan0
wlan0 IEEE 802.11bg ESSID:off/any
[Code]....
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Apr 12, 2011
I am a (somewhat) newbie to Linux (but have an extensive Windows background), and I have just installed Debian Squeeze in an old EeePc 701 4G using the netinst version only with the following packages:
eeepc-acpi-scripts
x-window-manager
gnome-session
gdm
gnome-themes
gnome-themes-extra
plymouth
bridge-utils
Now I would like to install Debian in my main laptop, but I think it won't be able to connect to any wireless networks during setup and before installing firmware-brcm80211 and wireless-tools (its wireless card is a Broadcom 43224AG). That being, and to avoid connecting the computer directly to the router (it is not easy), I would like to bridge the EeePc's wireless connection to my laptop using a cable. I tried using the instructions found at the Debian Wiki, but I couldn't set it up properly.
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