Questions about configuring and using bridging interfaces

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3
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1answer
207 views

How to bridge between two computers

I have this 3 machines with this setup Computer1----Computer with Ubuntu 12.04-----Computer2 Computer1 have IP 192.168.10.1 and Computer2 have 192.168.10.10. My computer with Ubuntu have 2 ethernet ...
1
vote
1answer
54 views

no network in ubuntu13 when virtal box is configured with bridged adpater

I am using Ubuntu 13 on virtual box with my host being Windows 8. My aim is I want to ping from host to guest or from any physical machine to guest (Ubuntu).I am able to ping from guest to host but ...
1
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1answer
125 views

How does the Linux bridge works when a tap interface is connected

Assume the following scenario: brctl addbr BR0 tunctl -t tap0 brctl addif BRO tap0 brctl addif BRO eth13 ifconfig eth13 promisc up ifconfig tap0 promisc up ifconfig BR0 up Eth13 is connected ...
1
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1answer
121 views

Link aggregation on a LXC bridge

I'm working on a server with a number of various interfaces (eth0-3) and I currently just use one for both host traffic and another for my LXC bridges traffic. Since I have a few spare ports just ...
1
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1answer
732 views

My TV cannot connect to Media Server Service on Windows7 (DNLA)

Thanks to this article Sharing Connection to other PCs (Via Wired Ethernet) I am able to connect my TV to the internet. But my TV is not able to connect to WMS Windows Media Server running on other ...
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1answer
37 views

DHCP Stopped working over Bonding

Something recent broke DHCP and Bonding. I used to be able to do this: # This file describes the network interfaces available on your system # and how to activate them. For more information, see ...
0
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1answer
407 views

OpenVpn bridge problem - Server behind NAT - Client can ping server, default GW but nothing else

first of all, yes I have been searching.. The issue is with setting up OpenVPN in bridged mode on ubuntu Server 12.04. It generally works, I can connect, I get an IP and can ping the OpenVPN server ...
0
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1answer
35 views

Can see all computers on the networks but can't see each other

I have a windows 7 pro machine (KC-Laptop1) running a bridged network between the wireless corp.local and my wired KC_Computers_LLC.lan and I have my ubuntu 12.04 server (KC-Server1) running on the ...
0
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1answer
77 views

Long boot time due to “waiting for network configuration” - but network is configured statically

My system has a statically configured network that is fully functional. However, booting needs a long time due to "Waiting for network configuration" messsages. What can be the cause for this? I ...
0
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1answer
44 views

connect to a virtual machine remotely

I create a server in my virtual machine in ubuntu. But I can connect to it only from my machine. I can not connect to my virtual machine from outside computer which was in same LAN. When I search ...
0
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1answer
181 views

iSCSI + br0 bridge + 14.04.1 Server = does not work

On one of my servers I have: USB 4GB: 1) EFI partition 2) /boot partition iSCSI 50GB (on another fileserver): 3) / partition In /etc/network/interfaces it works flawlessly if I have: auto p3p1 ...
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1answer
116 views

Bridge wireless connection from OSX 10.8 to Ubuntu 12.04 LTS

I have a Mac running OSX 10.8.2 that is connected to a wireless network. My Ubuntu 12.04 LTS box has no internet capability atm (wired network down). I would like to bridge the connection on my Mac ...
0
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1answer
374 views

Virtual machine in two subnets

I'm coming from networking where a router/switch has a separate interface for management. Therefore I want to understand how this is implemented for servers/virtualized servers. I have one subnet ...
0
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1answer
370 views

I want to bridge my ethernet to my wifi, but there is no ethernet port listed. What can I do?

Under Network Connections, I have no "Wired Connection"
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1answer
2k views

how do I bridge two wired network connections

I have an EVGA 780i SLI motherboard with dual ethernet ports. I was just wondering if there was a way to bridge them like I can in Windows?
0
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1answer
378 views

How to bridge local (ethernet) ipphone to LAN connected by wifi?

I've got a wifi network providing local services such as PBX, CIFS, etc. It is useful then you do not have ability (or wish) to entangle you room with wires... I'd like to connect some (4 exactly) ...
0
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1answer
852 views

Getting Xbox Live via a wired network with my laptop that has internet access wirelessly

I'm running the latest version (as of yesterday anyways) of Ubuntu Desktop 64bit, but installed on my laptop if it makes a difference. I had Windows 7 preinstalled when i bought it and it worked fine ...
0
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1answer
196 views

Ubuntu keeps reconfiguring my network

I'm configuring a "network", between two computers(both with ubuntu 12.04), using a crossover cable and assigning all ips by hand. When I set up an interface, with IP netmask etc, everything works, ...
2
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0answers
2k views

network-manager, bridge and vpn

I have a shiny new system with Ubuntu 14.04 and I'm trying to get something configured which I think is reasonably simple: a bridge (br0) for KVM ability to use a VPN network-manager controlling it ...
2
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0answers
583 views

Ubuntu 14.04: with bridge on wlan, no internet on kvm guests

I'm trying to be a "high-lander" sticking to KVM plus virt-manager to manage my VMs. But it's about a week I'm around trying to create a bridge that works for using with my VMs. I tried first tried ...
2
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0answers
142 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
2
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0answers
265 views

Unable to restart my network services

I cannot restart my networking services by using the restart command. Earlier it was working fine but today I created a lot of mess by giving IPs removing and all. And now when I enter the restart ...
2
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0answers
84 views

Problem linking WLAN to Ethernet

So I've been trying to use a laptop who's wifi card doesn't work properly, by using a Lenovo V570 laptop with Ubuntu 12.04 to bridge the two networks. I changed my ethernet network to "Shared to other ...
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0answers
17 views

How can I connect to my virtual machine in a local network?

I have installed Ubuntu Server with a webserver on my mac. When I am home I can reach the webserver with network bridge adapter. But when I go to a local network, I can't see my IP address in Ubuntu ...
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0answers
29 views

Share internet connection to distribute ubuntu nodes sitting behind master

I'm working on setting up a 20 node distributed system. The data nodes are hp Compaq 6500 pc's running Ubuntu 12.4.5. The master is connected to the internet and I've configured the IP's of the nodes ...
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0answers
124 views

KVM: Multiple bridges over single NIC

In my KVM host (Ubuntu 14.04 LTS) I want to setup one private network for the guests with static IP and internet access. Host is on a remote machine. I've the following configuration in the ...
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0answers
110 views

Bridging two networks: access to bridge slow and unreliable

I have a LAN that connects local computers, and in addition I have a dedicated connection to an overseas network with a static IP address assigned for my use. An ubuntu (14.04.01LTS) box with two ...
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0answers
99 views

Correct way to create VLAN and Bridges on Ubuntu14.04?

When I tried to create VLANs and Bridges on Ubuntu 14.04 as following, network connection is always lost on it, what's the problem? Note that the if I only set em1(no em1.100, cloudbr0 and cloudbr1) ...
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0answers
357 views

bridge vs iptables vs route?

iptables vs bridge-utils vs route I have two network cards in a Linux server and don't know how to make them communicate. After searching a lot I still don't know which method is the one that should ...
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0answers
1k views

LXC container no outgoing traffic with bridged network and public IP address

I try to setup a LXC container with bridged network on ubuntu 14.04.1, but the outgoing traffic seems to be blocked. Ping another IP than the container's one is not working. Actually I tried this with ...
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0answers
19 views

Can we add ports to OVS AFTER the VM is created?

I wanted to write up a program where I can create VMs first using libvirt. Initially they would not be added to any network. Then I want them to be attached to an OVS bridge where I can specify the ...
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0answers
3k views

Creating bridge from wlan to ethernet

I know there is lot of threads about bridges and how to make them and manage them but still i haven't reached a goal. So i need bridge between wlan and ethernet but mean while i need connect to ...
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0answers
165 views

bridge a connection and keep same ip and subnet

I have googled this for a while now but am not able to find answer to this question. I have my xbox bridged to my ubuntu pc. Everything works, maybe just gives an nat error now and then. I want to be ...
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0answers
597 views

How do I configure two nics and two gateway?

I have a IBM server x3200 m3 loaded with Ubuntu 10.04 LTS. My problem is my network I have a 2 different gateways: VPN static and the other one is DSL dynamic. The Internet runs normally when there ...
0
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0answers
26 views

Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things: such as changing dns to popular public ones with no changes First issue: MTR GUI does not show the ...
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0answers
56 views

Is there any way to force an inteface to ignore carrier detection to stay up?

br0 has eth13 and eth0 ensalved to it eth0 is up eht13 is down /opt# ip link show br0 25: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default ...
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0answers
48 views

VirtualBox networking can be enabled only via recovery mode

I've installed ubuntu server with minimal system without network connection (disable network adapter) in VirtualBox, because my connection is so slow and it's take forever to install with network ...
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0answers
94 views

Pass LLDP frames through a bridge instead of consuming them

In Ubuntu 14.04, is it possible to pass LLDP frames through a bridge instead of consuming them? I know that technically, this is against the IEEE LLDP spec, but I still want to do it. For example, ...
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0answers
41 views

setting up slip interface

I have FTDI serial converter device connected to the usb port of my machine , I want to create a slip interface between the serial device and the virtual network interface (something like tunslip). I ...
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0answers
99 views

bridge interface br0 for virt-manager removing IP from em1

I am trying to create a bridge interface for virt-manager to boot PXE images from network. My actual network in em1 (I don't have an eth0 iface). em1 have 172.16.20.x IP. I prefer the bridge IP to be ...
0
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0answers
213 views

Unable to Bridge wlan0 to Win7 guest with U14.04 host on Virtualbox

I am following the simple guide here, but am unable to bridge my wireless adapter and connect in Virtualbox. My host is Ubuntu 14.04, guest is Windows 7, and I am using VirtualBox 4.3.10 (latest ...
0
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0answers
89 views

Why must write 'br0' in route table to restore host's Internet connection?(with QEMU & Tap)

That's a long story.... But at first, I have to confess that my reputation is less than 15 so I can't give you a '+1'. I need to set up several QEMU instances. One of them is a primary node, which ...
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0answers
142 views

Bridged VM guest does not get IPv6 ra prefix from host

I have a similar problem and setup as described in IPv6 does not work over bridge. My host get a IPv6 prefix but the guest VM only gets a local fe80-prefix. Using tcpdump I can see that solicit ...
0
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0answers
217 views

Layer 2 Bridge with Tap Interface

Linux newb starting out. Figuring it all out as I go along. Im trying to layer 2 bridge a virtual tap interface and an etehrnet interface. want to achieve this. Tap0 10.0.0.3/8 =====> Br0 (Layer 2 ...
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0answers
201 views

ubuntu vm on open nebula doesn't se internet connection

I have some problem with ubuntu and open nebula. I'm trying to setup one installation of ubuntu on open nebula. Start from this assumption: my machine as an i7 with 16 GB of ram and runs ubuntu ...
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0answers
142 views

url_helper.py warning cannot route to host. Ubuntu Server

When booting a Node Via PXE i keep getting url_helper.py[warning] saying it cant route to host, My Master Node/Controller has 2 interfaces. 1 for nodes, 2 internet access. What can i do to allow the ...
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0answers
218 views

No internet access through bridged wireless connection in VirtualBox

I have Windows 7 installed in VirtualBox on Ubuntu 14.04. This is on a laptop so I have to networking adapters. The ethernet adapter works fine regardless of connection type. Wireless only works in ...
0
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0answers
63 views

Adding static MAC entry to a bridge

Is there a way to add a static MAC entry in a linux bridge against a certain port X? i.e. I know that the MAC in question resides behind port X and it will not be learnt for a while (assuming unidir ...
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0answers
16 views

netfilter's function nfq_get_outdev_name()

I'm trying to figure out what the interface of a packet is using Netfilter linux library on Ubuntu 12.04. One of my interfaces is a LAN (eth0), and the other one is connected to a router (that I've ...
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0answers
786 views

Linux bridge (brctl) doesn't forward IP-packets when router is one of the bridge endpoints

I have set up a brctl bridge on Ubuntu with the following deployment: Cisco router - > Linux bridge - > client computer The bridge forwards the following packets types: ARP,STP, but doesn't forward ...