Bridging is a forwarding technique used in packet-switched computer networks. Unlike routing, bridging makes no assumptions about where in a network a particular address is located.

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bridge between vlans

We have a somewhat exotic setup. Some devices connected to a cisco switch must be administered by a third party and we don't want to give this third party full access to our network. There devices do ...
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ARP reply vanishes from br0 to tap0 using OpenVPN in bridging mode

i have setup a linux box (on an esxi5) which acts as an openvpn server. the server is configured to use bridging for the clients, which essentially works, with one exception. if the client pings some ...
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Enabling bridged connections with a single network card with multiple IP addresses

I have a server with one network card in it (eth1). My server is assigned 5 public IP addresses and it is currently configured like this (/etc/network/interfaces): # The primary network interface ...
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Network-Manager with bridge interface and OpenVPN

I'm running Debian Wheezy with Gnome-Shell. My current network interface configuration is this: # The loopback network interface auto lo iface lo inet loopback # The primary network interface ...
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574 views

Guest networking not working on Debian Jessie Host server KVM with br0 bridged network

GUESTS networking not working at all. In other words guest can not ping host or lan gateway. I have br0 bridge already created, also brctl show that vnet0 was properly added by KVM to br0 on guest ...
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59 views

My KVM machine can't get the network

I'm setting up a virtualization server for my company based on Fedora 19 and KVM. Our goal is to being able to convert and run a bunch of VirtualBox VMs. So I setup my F19 server, and created a br0 ...
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644 views

bridge networking KVM

i am having a problem connecting VMs to the bridge interface. My VMs cannot connect to the host and LAN outside the host, when i ping it just say destination host unreachable. it seems that my VM is ...
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263 views

Ubuntu with KVM guest VM and broken bridges

I have an Ubuntu box with a KVM guest VM running. They use bridging so the guest VM attaches to the physical network of its host. The guest VM has 2 NICs in 2 different bridges. First NIC of the VM ...
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362 views

Centralized MAC filter for wireless lan

I am attempting to install a MAC filter in between a switch that handles my wireless network and the core of the network. The idea is to have a centralized MAC filter bypassing the filters built into ...
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Xen Bridge only working when IP Assigned

Just had an (in my sense) obscure situation. I have a Xen Server with bridged networking. Everything works fine since month. A while ago i configuresd a second bridge. only some DomUs get an channel ...
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486 views

Bridged modem but no gateway?

I'm trying to put my modem in bridge mode so I can plug it into a separate router but I'm having some difficulties. To try to get the facts straight on the settings required I've plugged it straight ...
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669 views

wireless ethernet adapter with EAP-PEAP?

We have a wireless network set up to support WPA or WPA2 with AES or TKIP encryption and EAP-PEAP authentication. Users are wanting to connect devices that don't have the ability to do EAP-PEAP but ...
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Linux Bridge allowing TCP but not UDP

I am using a linux bridge for monitoring some traffic on two vlans. I created two bridges br30 et br40 for each. My problem is that the TCP traffic make it through but not the UDP one. I thought of ...
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164 views

xen-4 single nic dom0, add second bridge

im running xen4, my dom0 is debian6 It has a single nic and im having hard problems creating a second bridge to have two virtual nics inside my guest. i tought on using dummy dev, but i had read ...
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747 views

Can a virtual mikrotik box bridge a hyper-v internal network with a hyper-v external network?

I am trying to set up a Mikrotik router as a transparent firewall on my network. I got the machine working on a hardware MT box, but my boss wants the MT virtualized. I have been trying the set up ...
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142 views

email spam filering in bridging

I've a mail server, which handle multiple domains. Due to concern of spam and mail server performance. I've configured another machine which will be in bridging and mail server would be behind that ...
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187 views

Shorewall Bridge

How do I create a rule Shorewall for bridging port 443 from eth0 to eth1?
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263 views

KVM wireless bridged networking mode not operational

Why does KVM not support wireless bridge networking mode, whereas VirtualBox and do it very well? parprouted doesn't help. I want to allow KVM guests to act as if they have a bridged network ...
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174 views

Xen need to realize 2 lan interfaces 1 - for Lan between domU and 2 - Internet

Anyone know how to realize lan between domU machines at one interface and actually global net at another interface? I reading wiki about routing and bridging and unable to fully understand it ...
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514 views

Strange 2Mbps limit for single tcp connection on 24Mbps ADSL2+

I've D-Link DSL-2500U/BRU/D, ADSL mode is "ADSL2+ AnnexM EU-56", configured as bridge and connected to linux (Gentoo) workstation. Line is good enough, I've stable speed 2.09MiB/sec (i.e. about ...
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271 views

Cisco 1242 WAP Bridging

I'm looking to connect two facilities with a a pair of Cisco 1242 access points and am looking for advice on configuration. We have multiple VLANs running that will need to be passed through the ...
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54 views

Linux - Disable routing but allow bridging

I have a Linux server that is running the KVM hypervisor. I have multiple bridges on this server (that are on different VLANS). Is there an "easy" way to make sure that bridge hoping (i.e. routing ...
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561 views

Ethernet Bridging With USB-to-Ethernet Adapter

I have a USB-to-ETHERNET adapter (CP-USB-RJ45M) with which I am trying to create an ethernet bridge in CentOS Linux for ip-forwarding within a private LAN test network. I modified my /etc/rc.local ...
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OpenVPN server on Windows 7 - How to route specific IP addresses to clients?

Okay, so I do not have a strong background per se in computing, nor networking, and I'm really just starting to learn this stuff now, for a relatively small family business of ours. It is rather ...