Questions tagged [bridge]

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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3 answers
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Archer C5 router as switch only

I have main router (192.168.0.1) and severals PCs connected to it, then I have another router (192.168.0.102 - this is the IP assigned to the router by the main router). I want to use the secondary ...
1 vote
0 answers
55 views

Virtual machines can't reach each other through bridge

I am using the QubesOS operating system, and I am failing to connect virtual machines through a bridge in another VM. The initial config looks like this: Router VM: [user@lab-adsis2-router ~]$ ip a ...
2 votes
1 answer
2k views

Which MAC address does my ISP need?

For my new network I want to use a Vigor 130 as modem in bridging mode and an OPNsense appliance behind that. The OPNsense will connect to the Internet. My ISP uses IPoE/DHCP for Internet access and ...
6 votes
1 answer
7k views

Why do Linux bridges show two MAC address entries for local interfaces?

Why do Linux bridges show two MAC address entries for local interfaces? brctl showmacs bridge1 port no mac addr is local? ageing timer 1 0c:b4:7a:f5:36:b6 no 23.90 1 0c:...
2 votes
0 answers
261 views

Docker questions, how to create docker containers with own network bridge NIC

I am newbie in Docker world. I have been using VirtualBox a lot before and understand everything from its perspective, but now I want to switch to Docker containers instead. I would be grateful if ...
2 votes
1 answer
18k views

VirtualBox - VM with bridged adapter can't access internet while host can

Here is the guest VM network config: And here is the host's network config: The fact is that from the host, internet works perfectly. But from the guest I can't access Internet, nor ping the ...
0 votes
1 answer
6k views

D-Link Dir-300 "Access Point" Mode or Bridge?

I'm currently exploring the possibilities of installing an old router I found in the basement (the D-Link Dir-300) as an access point in order to get more WiFi coverage and also connect things like ...
0 votes
1 answer
340 views

Ethernet Bridge to Xen VM not working

i'm using Ubuntu 18.04 to run a windows 7 instance in Xen. But the issue is i don't get any internet in the windows7 guest, in dom0 it's working fine. Here is my netplan yaml: # Let networkd ...
2 votes
2 answers
7k views

Setting up a bridged network with VMware Fusion

I'm currently playing with VMware Fusion on Mac OS X 10.6 with an Ubuntu Server 9.10 as guest OS. VMware is configured for bridged networking (automatic detection). But there is no internet access and ...
2 votes
1 answer
5k views

Ubuntu 18.04 netplan with bridge

I am running Ubuntu 18.04 and my netplan configuration has suddenly stopped working. When I run sudo netplan apply the following messages appear and I lose connection Traceback (most recent call ...
0 votes
1 answer
2k views

Live KVM migration b/w two machines while keeping bridged guest IP static

On each of two Ubuntu PCs, I installed KVM and created some VMs. All the VMs on each PC should see each other, so I could not use the private IP assigned to them by KVM and AFAIK that requires ...
2 votes
0 answers
597 views

How to enable the rebroadcasting of bonjour packets coming from a device connected to a Mac's ethernet while sharing wifi onto the wifi segment?

The following is my current setup: Apple MacBook Pro (MBP) with macOS 10.14.4 with internet sharing from wifi to ethernet enabled as well as synergy pro running in server mode as a network-enabled ...
2 votes
0 answers
523 views

Connecting another router to extend LAN – is bridge mode what I am looking for?

I want to connect my two routers as in the picture in order to extend my WLAN coverage. I got it to work by just disabling DHCP server on Router 2 and connecting the two routers by LAN ports, but I'd ...
2 votes
1 answer
352 views

LXC configuration: issue creating a bridge for sharing the network to the containers

I am trying to install the LXC and LXC container on a new HP server with Centos 6.8, using the article "Introduction to Containers on Linux using LXC". Steps which I executed. yum update yum ...
2 votes
1 answer
2k views

Correct way to configure Bridge network in centos

I am trying to configure bridge network in the HP server. I dont have console access. I am connected using ssh to the server remotely. The configuration files have been placed in the proper location /...
1 vote
1 answer
274 views

Connection between eth1 and wlan0 in Ubuntu

I have 3 NICs as eth0, eth1 and wlan0. eth0 is connected to internet through router. DHCP server is running for eth1 and wlan0 for local network. The clients on eth1 and wlan0 can access internet. ...
0 votes
2 answers
2k views

bridge LAN and Wi-Fi networks

I have two independent networks one is LAN network over Mikrotik router and another is wifi network over belkin router. Both are having independent internet connection. I want to make bridge between ...
2 votes
1 answer
1k views

SSH not working through Linux bridge

I am currently struggling with a very strange problem. I have a Linux Ubuntu 16.04 machine with two interfaces (eth1 and eth2). I set up a bridge between these two interfaces with bridge-utils for the ...
4 votes
1 answer
21k views

How to setup a Bridge connection for enp0s3 CentOS7 on Oracle VirtualBox

I'm running a CentOS Linux release 7.2.1511 (Core) 64-bit on an Oracle VM VirtualBox and I wanted my local machine (Windows) to be able to connect to my VM because I want to use it for local hosting ...
1 vote
0 answers
46 views

Bridged Network - Routing to primary gateway [closed]

I have a unique setup that I would like to make work rather than physically move my devices. I'm sure this is simple, but i've done too many trial and errors to wrap my head around the proper ...
0 votes
1 answer
2k views

How can I use Linksys WPSM54G print server as a bridge for another machine AND also share the printer

I have a Linksys WPMS54G currently sharing a printer via the USB port with the rest of my network via the wireless. Is there any way to set it up so that the ethernet port is bridged over the ...
-1 votes
1 answer
304 views

Issues setting up a bridge connection for serial devices

I'm having trouble setting up a network of serial devices on a shop floor. I do have some basic networking experience but am not verbose in some of the more advanced settings. I'm trying to setup a ...
1 vote
0 answers
1k views

Configure bridge/router to work same as Windows 10 mobile hotspot?

Is there any way to configure a router in the same way as how the Mobile Hotspot functionality in Windows 10 works (https://support.microsoft.com/en-us/help/4027762/windows-use-your-pc-as-a-mobile-...
0 votes
0 answers
957 views

Can’t access config page of my ASUS after setting it as a media bridge

I set up my router (ASUS) to act as a media bridge, then I connected to the router using a Ethernet cable and Internet and everything works fine. When I try to access the router using IP 192.168.1.1,...
0 votes
0 answers
443 views

No internet connection on host machine vmware workstation 14 Player

I'm trying to make 5 Windows XP virtual machines run simultaneously. We need these virtual machines in order to run a software which is incompatible with 64-bit operating systems. The virtualization ...
0 votes
2 answers
13k views

Why I cannot ping the ip after I bridged them?

I made my raspberry pi into a router. The eth0 is connected with internet, while the wlan0 is served as an accessible point. So I created a br0, then addif both eth0 and wlan0 to br0. Started dhcpd(...
0 votes
1 answer
485 views

How to set up 6to4 tunnel with bridge under centos?

In my centos virtual machine, I created a 6to4 tunnel sit6to4 and a bridge cbr0, and I want all traffic on the bridge to be sent to the dual stack router through the 6to4 tunnel. config for sit6to4: ...
0 votes
1 answer
201 views

Is it possible to assign IP both to an Interface and Bridge?

Is it possible to assign an interface to a bridge and give different addresses to both? In my case public IP of bridge is working but LAN address on interface is not working. Something like: iface ...
0 votes
1 answer
759 views

Second router on LAN is connected to other router via PPTP, but one network can't talk to the other

My ISP/Model router is set to 192.168.0.1 My DD-WRT is set to 192.168.0.80. A Linksys WRT300 that was flashed with a DD-WRT.BIN specifically for it (not the generic one). It uses the PPTP ...
0 votes
1 answer
66 views

Routing conundrum with VM and bridges on Linux

I have the following setup: Hypervisor host 1 | Hypervisor host 2 | ------------------ | | VM | ...
0 votes
1 answer
2k views

How to force Linux bridge to output frame on multiple interfaces?

I have a Linksys E2500 router running Tomato v1.28 (Linux kernel 2.6.22.19, no USB drive capability) that is functioning in bridge mode to connect three interfaces: root@TomatoE2500Host:/# brctl show ...
2 votes
1 answer
6k views

Virtual Box bridged network and port forwarding

I have a problem. Here is diagram of my network. I have WIFI Router connected to the internet, I have order static IP from my ISP so I can access my local PC via the internet. My router creates ...
1 vote
1 answer
4k views

Configure a bridge connection as a hub with netplan

My current problem hits the limits of my basic networking skills. In short : I "tapped" a server with multiple network interfaces on a network cable linking my router and my media center. I try to ...
0 votes
1 answer
47 views

Bridge Problems

I have a router that the ISP gave me, its an Arris TG862 that has internet connection and I have my old router, Linksys E2500, that I use in bridge mode, then all of the sudden my 2 routers stop ...
1 vote
1 answer
2k views

Bridge TAP interface to ETH on Raspberry Pi 3?

Description: My team and I are working with a couple of raspberry pi 3's and an IP-Stack called PicoTCP. PicoTCP uses a TAP interface, ours is called tap0. The tap0 interface must have it's own IP ...
1 vote
1 answer
453 views

Connecting two routers wirelessly to extend wifi signal

I'm trying to extent my wifi signal with additional router wirelessly. My 'primary' router is Linksys WRT54gl and the second one is Linksys E900. Both routers have the same SSID. main router (...
4 votes
1 answer
31k views

Unable to access the internet from my VirtualBox CentOS VM via wireless connection

I have a VirtualBox CentOS VM setup on my Windows 7 machine. I can ping my router, however I am unable to access the outside world. In Windows I have three network connections setup: Wireless ...
1 vote
1 answer
1k views

Windows 7 miniport network bridge clones MAC address, what is it, how to fix?

I have here an experimental Windows7 system which interconnects two ethernet segments with network bridging. It works like charm, but... it substitutes the MAC addresses of the forwarded packets with ...
2 votes
1 answer
3k views

How do I disable auto-negotiation on DD-WRT?

I have a WRT54GL router with DD-WRT firmware installed, and have the exact same situation as exposed in this thread. The problem is, I don't know how to disable the auto-negotiation on the router ...
0 votes
1 answer
1k views

TP Link router WiFi to LAN Bridge?

I have a pc without a network card in the back of the house and the router in the front. I got an old router and wanted to make a bridge that converts the wifi signal into ethernet to be able to ...
2 votes
0 answers
2k views

ZTE H168N in Bridge Mode: Passing ISP IP to secondary AVM Fritz Box

I have a ZTE H168N device set up as a PTM bridge, providing VDSL2 to my Fritz Box (3390). It works fine, however, my Fritz Box' "ISP IP" is e.g. 100.101.159.155, which I know is not routed and which ...
1 vote
1 answer
131 views

Drop one packet from stream

I'm searching for a way to drop one packet of (UDP) multicast stream. Is this possible by userspace utilities or the only way would be injecting some code to kernel IP stack? I expect it should ...
1 vote
1 answer
11k 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,...
1 vote
0 answers
219 views

Bridge packets from WAN port to a specific MAC address (e.g., Set-Top-Box behind router)

My ISP feeds me with Internet and IPTV; however, the current setup is that there is a switch before my Wi-Fi router that I want to eliminate. Here is a diagram of the current setup (as you can see it ...
2 votes
3 answers
10k views

Why am I seeing retransmissions across the network using iperf3?

I'm seeing retransmissions between two pods in a kubernetes cluster I'm setting up. I'm using kube-router https://github.com/cloudnativelabs/kube-router for the networking between the hosts. Here's ...
0 votes
0 answers
718 views

how to make my raspberry pi act as gateway for eth0 subnet using eth1 internet connection?

I have set my lapton and ethernet+wifi router to an 192.168.10.x subnet with fixed IP setting. I have another subnet on 192.168.9.x range managed by DHCP by a 4G wifi router. I have a raspberry pi ...
1 vote
0 answers
983 views

Network Bridge shows Unidentified network on second PC

I have a Laptop and a desktop PC. Laptop has a WIFI connection , I want to connect Laptop to Desktop for internet connection as dekstop doesnt have WiFi card. On my laptop I have Windows 8.1 and on PC ...
5 votes
1 answer
40k views

How to configure a TP-Link N600 to act as a repeater

I have a router TP-LINK N600 (TD-W8980) and an Alcatel Y800 (Mobile WiFi device with a 4G SIM inside) The Y800 is connected to the internet (and any device can connect wirelessly to it and get ...
2 votes
1 answer
3k views

How to disable AP isolation in Linux bridge?

Context: I am trying to set up a WiFi hotspot on a Raspberry Pi by bridging my ethernet connection. Question: How do I disable AP isolation or client isolation? Pre-work: Here is what I have done ...
0 votes
1 answer
5k views

Why I cannot ping IP address after I bridged it to br0 interface?

I have bridge eth0 and wlan0 to br0 interface. And it works just fine, my phone can use website by connected wifi AP. However, If I tried to ping br0 in my machine, I can not ping. Here is what I ...

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