Bridge is the term used in computing to describe a device that connects two or more networks that use different protocols or equal to two segments of the same network using the same protocol, for example, ethernet or token ring.

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Virtualbox - how to custom NAT and port forward?

How can I use Virtualbox custom NAT and also port forward? For demos, I am running my VMs behind NAT on my laptop. If I run it in the vanilla NAT mode, then each VM I spin up automatically gets 10.0....
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51 views

can't access usb modem after bridging modem

I have an air stream 1200 USB modem. I accidentally selected bridge mode and now I am not able to access the USB modem web interface. It gives me public IP directly. This modem came with only a USB ...
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3k views

Virtual Box Bridged network failed to get IP (DHCP) No DHCPOFFERS received

I am newbie in networking and virtual box configuration, I have spent several days dealing with this problem. My goal is to get Bridged network working. When I try to UP interface in my Virtual Box VM,...
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208 views

Using a DD-WRT router as a wireless ethernet hub

As the title says, I have a DD-WRT router that I would like to use as a wireless ethernet hub. I have a machine in an RV park that is ethernet only, and I need to connect it to the internet. The park ...
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3k views

pfsense with 4 WAN IP and outgoing NAT

I have a pfsense with a single wan ip, i want to assign multiple wan ip's. The pfsense machine is located on a vm machine with the other servers i wish to NAT forward. I want to give each server a wan ...
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445 views

How to use 2.4 GHz and 5 GHz at the same time

I have the following setup: 1x TP-Link Archer C7 (with to Accesspoints "AC24" on 2.4 GHz and "AC5" on 5 GHz) 1x Notebook with 2 Wifi-Adapters (TP-Link Stick connected to "AC5" and Intel N 7260 ...
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adding Bridge …losing internet

I am using Ubuntu 12.04 , when i added bridge as next: -brctl addbr bro -brctl addif br0 eth0 -brctl addif br0 tap0 -ifconfig br0 up -dhclient -v br0 I lost the internet connection, any clues ?
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Network bridge - how to use them

Does/Can network bridges bridge 2 different network segments (with 2 different network/subnet mask) ? Or all the segments must be long to the same subnet in order to communicate ? What are the ...
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Is possible to assign DHCP global address to a bridging device?

I have a bridging device(Eg:linux Machine as bridge) that will link two networks. for example my device wlan0 have connection established to one access point and eth0 connected to bridging client.. ...
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94 views

I bridged my wireless and LAN connections on my laptop and connected it with my desktop. Why is my desktop not recieving an internet connection?

I am trying to connect my desktop to my laptop with an Ethernet cable to use the laptop's internet connection. I have followed the instructions of one article to bridge the LAN connection and wireless ...
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2answers
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Can't ping computers via a bridged connection

I've got the following setup: PC running Windows 8.1 with a Wifi card connected to the local network and an ethernet cable running to a laptop. Wifi and Ethernet connections are bridged. Laptop ...
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218 views

How to extend or to divide a network? [closed]

I try to understand the difference between the Switch, Hub , Bridge , etc ... But I did not really happen. In the event that I wish to extend my network or divide, what material should I use exactly ?...
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Openwrt bridging issue between wireless and ethernet port

I've this scenario: an AP connected to the STA wirelessly, the AP is a DHCP server I have following configurations in /etc/config/network of the AP: config interface lan option ifname 'eth1 ...
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2answers
361 views

What is the difference between an ADSL operating in modem mode versus bridge mode?

What is the difference between an ADSL operating in modem mode versus bridge mode? The scenario is that we have a router supporting ADSL, and a second router with more advanced options. Two routers ...
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228 views

Can't ping a host in the same network

So i'm setting a network of three PC's (PC1 - PC2 - PC3). PC2 eth0 is connected to PC1 eth0. And PC2 eth1 connected to PC3 eth0. I can ping PC2 with PC1 but i can't do the same for PC3. Also, are they ...
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1answer
94 views

Connect two computers on different networks using a computer that is on both networks

I have three computers on my network: computer_1, computer_2, and computer_3. Computer_3 can access computer_2 Computer_2 can access computer_1 I need to access Computer_1 from Computer_3 but ...
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223 views

Xen Bridge Configuration do not bridge eth1 to xenbr0

I am new on Para-Virtualization. I used Xen Beginners Guide to install Xen and configure dom0 it works correctly but i cant configured bridge network for domU. I created debian image like that. xen-...
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93 views

How do I access node on subnet from node on primary network?

] I want to reach a node on the subnet, e.g. 192.168.2.239, from a node on the primary, e.g. 192.168.1.2. Currently pinging from 192.168.1.2 to 192.168.2.239 gets no response. What do I need to set ...
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50 views

Extend home network via wireless bridge

I'm trying to set things up so that devices can print wirelessly from anywhere in the house. However, they seem unable to find the network printer when connected to the downstairs access point. Any ...
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1k views

(TalkTalk) Huawei HG635 as Modem for Other Router

I understand that some routers allow an internet connection provided through an RJ45 ethernet connection. I have a nice ASUS DSL-N55U that I wish to use as my router in place of my new ISP provided (...
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383 views

Guest with static IP - slow internet connection, random pings

I have Ubuntu 14.04 virtual machine with static ip and bridged network. Internet connection on host is wireless and most of the time works well, but sometimes it is a little bit slower too, but not ...
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What did an Ethernet “transparent bridge” used to look like? [closed]

I hope this is the right forum to ask this question. It's not really a technical problem, but it is technical question I think a power user/enthusiast would ask. My Cisco book describes devices ...
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Bridged Networking doesn't work. Host Windows 7, Guest Ubuntu 14.04. Tried everything

it's quite popular problem and I've seen many solutions, but none of them worked for me. I've created virtual machine with Ubuntu 14.04 and haven't changed anything in Ubuntu configuration. With NAT I ...
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48 views

How to create a wireless-to-ethernet router?

I have a Debian machine, which I want to turn into a router. It will connect via wireless to a access-point, where it will get an IP. To its ethernet port, other machines will be connected. It will ...
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How do I access my modem's GUI when it's in bridged mode?

I wanted to try setting up my ActionTec P5001a DSL modem/router in bridged mode with a Linksys E2500 router for improved NAT performance. Switching the modem to bridged mode and the router to PPPoE ...
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VirtualBox: ifconfig does not show my ip address

I recently installed centos7 onto virtualbox. I enabled bridged networking on adapter 1 (enp0s3) on the virtualbox manager, to bridge my wireless adapter on the host. When I type ifconfig on the ...
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620 views

Cannot access webserver on virtual machine from the internet

I'm having trouble accessing my webserver when it's located on a virtual machine. If I put the webserver on the physical host machine, I can access it from the internet. However, when I try to access ...
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1answer
2k views

What are the names of my network adapters? (Vagrant related)

I'm trying to use mVagrant to set up a bridge on the correct network adapter. I keep getting this message: Specific bridge 'Wireless LAN adapter Wireless Network Connection' not found. You may ...
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697 views

Using ethernet ports on Surfboard SBG6580 in bridge mode

tl;dr: I have a Surfboard SBG6580 modem/router combo running in bridge mode with an Airport Extreme as the main router. I want to be able to use the Ethernet ports on the Surfboard to attach ...
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1answer
746 views

Creating bridge in Linux, share network like VirtualBox

I have a local are network 192.168.1.1/24. I use libvirt and I want my virtual machines to use this network also, at least a sub-network of it, such as 192.168.1.128/25. However, all the libvirt ...
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250 views

Router as VLAN broker bridge on single managed switch?

Will the network configuration below work? [ 8-port Managed Switch ] VLAN_1: Port 1 = Cable Modem VLAN_2: Port 2 = Router WAN VLAN_3: Ports 3-8 = Other Can the router on VLAN_2 broker between the ...
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SSID on the repeater bridge router

I have a Linksys WRT400N dual band router and I want to use it as a repeater bridge for my main AT&T router. Now I kind of get it working with dd-wrt firmware. I use the latest v24 sp2 firmware ...
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2k views

Wifi range extender with Raspberry Pi and Rasbmc

What I want to achieve is to extend the range of my Wifi to another room. I've got a router, a Raspberry pi connected to this router through a UTP cable and i've got a Wifi USB stick in the RPi. ...
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Configure Windows 7 to bridge from LAN to VPN

My Notebook is connected to the Internet through WLAN using a proprietry VPN connection to my company. There is no other way to use this WLAN, only via VPN. I've got a bunch of mobile devices (for ...
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1answer
804 views

NAT several subnets with same IP range to a single interface

I have the following problem: a customer have several LANs, for example LAN1, and LAN2 with the same private IP ranges (192.168.10.x), and I need to monitor all the networks. I have name three ...
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1answer
361 views

Changes to /etc/network/interfaces ignored and restored at re-boot

I wanted to set up a virtual machine according to this tutorial: http://www.howtoforge.com/virtualization-with-kvm-on-a-debian-lenny-server I reached to the point where I have to modify the ...
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54 views

Trouble extending a network with bridge

I am currently trying to extend a small computer network between 2 buildings around 1 km apart. The setup looks like this: modem | Dlink router 1 - 192.168.1.1 (antenna connected to LAN port) | ...
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489 views

Connect two wireless+wired networks wirelessly?

Is there any mode, when wireless device or access point can serve both as access point for clients and as a bridge between two wireless networks? Like here: UPDATE Also I would like to have ONE ...
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Connect two wireless routers with Lan cable over a distance of 100 meters

I have a Fiber optic coaxial connection in my home connected to a wireless router provided by my ISP. My office is not far away from my house but I don't receive a wireless signal from the router so ...
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how to share internet with two wifi cards on Win 7?

I'm connected to the internet via my external wifi card and I want to share the connection with my android phone, I though of creating a soft access point on my internal wifi card and make a bridge ...
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1answer
419 views

How to NAT between 2 network interfaces without impacting routing

My Linux-based router has 5 Ethernet ports. It is currently acting as a router between ports 1 & 2 and the dedicated WAN port, without NAT. Port 1 is 192.168.1.1/24, port 2 is 192.168.2.1/24, WAN ...
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VMware workstation 10.0.3 bridge network not working

I have an issue on vmware workstation bridge netwoking, for the first install it work just perfectly, but when i restart VMware it cut up. I have start the repair but it not working. When i do a full ...
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2answers
1k views

Can't connect to internet in Ubuntu using bridge adapter

My host OS is windows XP(SP3), guest OS is Ubuntu 14.04, and virtualBox is 4.3. I want XP and Ubuntu to talk to each other, so I choose to use bridge adapter network. XP: Windows IP Configuration ...
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613 views

Can't Bridge Windows 8 Ethernet and Wireless Adapter

I'm trying to bridge my Windows 8 laptop's wired and wireless adapters so I can get internet on an older computer (not that old it's running Windows 7 Ultimate). I did this before a while back but now ...
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107 views

How can I link two network interfaces under linux?

Okay, here goes. I am running linux kernel 3.0.35 on an armv7 processor, and I don't have a C compiler or GNU make. Therefore, apart from other GNU tools and standalone ARM binaries, I have few ...
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24 views

“Prioritize” traffic behind a switch to stay behind a switch

I have a few devices plugged into a Linksys SE2500 switch, which then plugged into an Airport Express (acting as a wireless bridge), which connects wirelessly to some Comcast modem/router. The ...
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207 views

Connect internet camera and bridge/forward IP traffic

I have an Ubuntu (14.04) machine with two Ethernet cards. One Ethernet card (eth0) is connected to the office network. The machine is addressable from the outside Internet. I have a Web camera that ...
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185 views

Unable to Dial modem using LAN cable

I have a modem router , D-Link DSL-2520U, which has an ADSL cable. The modem router is connected to a Wireless Router TP-LINK TL-WR740N using a LAN cable. My devices connect wirelessly to the TP-LINK. ...
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217 views

(Windows 7)Bridge: (tap+wifi) -> ok, (tap+ethernet) -> dhcp is not working. What are possible problems?

All this happen on win 7. I set up the ovpn bridged connection with wifi+tap bridged, and it worked fine. Now I need to make it use ethernet instead of wifi, but bridging of ethenet+tap has issues: ...
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1k views

Will a dhcp server work as VirtualBox guest on a bridged interface?

I do LAN gaming a lot. :) However, the game i´ll host this time will need some dns to "forward" requests to a server inside this lan and i thought: Why not to create a dhcp-server inside a VM so ...