The bridge tag has no wiki summary.
1
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1answer
20 views
Force linux bridge to obtain ip via DHCP
I'm trying to understand the logic behind the failure in the following scenario:
a. If a linux bridge with 2 interfaces, eth0 (LAN) and eth1 (WAN) is behind an ISP device e.g. a cable modem, it does ...
1
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1answer
43 views
KVM VMs and virtual network, how to assign external IP addresses?
So, my question is: there is a remote server on Red-Hat with an external IP-address, eth0: inet addr: 87.112.140.53 Bcast: 87.112.140.255 Mask: 255.255.252.0, and is a virtual interface, which raises ...
0
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0answers
19 views
How do I set permanent IP for my VirtualBox using Bridge adapter? [migrated]
I'm running a web (development) server on my Virtualbox (Ubuntu 11.1).
I'm moving around a lot and thus I get various IP addresses on my computer.
Each time I get a new IP adr I have to change ...
0
votes
1answer
35 views
configuration of bridge to send traffic to external switch
I created 3 VM on top of KVM/QEMU (RHEL 6.0) using bridged networking. Created one bridge for eth1 and all the VM's are using that bridge for networking. All these VM's have the same subnet address. ...
1
vote
1answer
61 views
Opennebula KVM onevnet
I am experimenting with Open Nebula and KVM and so far I have a frontend and a few hosts (all hosts have two NICs for redundancy).
I know that KVM makes on the hosts a virtual interface virbr0.
...
0
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0answers
38 views
KVM network problems
I use ConVirt as virtualization platform. pbr1 works as gateway. When I try to ping any IP from the VM, it says, that destination host is unreachable. When I try to ping the gateway, it does. Packets ...
1
vote
3answers
127 views
iptables / bridge / NAT setup
Between our gateway and our LAN, we have a bridging firewall running iptables. I want to add an additional NIC into the firewall and set up a private subnet on it. Traffic from this subnet which is ...
0
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1answer
128 views
Linux storing arp cache entries using wrong interface
I'm trying to get two virtual machines (running CentOS) to talk to host (Ubuntu 10.04) using VDE and the outside network.
So far I'm running into an ARP issue.
On Host I have a physical eth0 and a ...
3
votes
2answers
138 views
How do I put a bridge on top of a bonded interface?
I'm setting up a Ubuntu Server 11.10 box with multiple Ethernet interfaces that are bonded for redundancy. I'm planning to use it as a KVM host, so I'll need a network bridge.
To accomplish this, I ...
2
votes
1answer
111 views
Linux bridge (brctl) is dropping packets
I have been researching this problem for a few days and have not found an answer yet. Your help will be really appreciated!
I have a few VMs (Virtual Machines) running on a physical server. The ...
1
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0answers
34 views
Problems with umlauts and git-svn
I've got the following problem:
I checked out an GIT-repository created by tortoise-git under windows. German umlauts like "öäü" are shown as \x-Codes under my linux.
That's basically no problem ...
1
vote
1answer
34 views
fail2ban with bridge-util
Hello and happy new year,
I am wondering if I can use fail2ban on a virtual host that uses bridge-util.
I am using LXC containers for virtualization and have therefore direct access to all the log ...
3
votes
1answer
145 views
How can I change the MAC address of a network bridge in Windows?
I use DHCP reservation rather than static IP for convenience, and that relies on the MAC address of my computer.
I recently bridged my main adapter with my VirtualBox adapter. When things stopped ...
1
vote
0answers
69 views
IGMP V3 support in Linux-2.6.35
I am trying to start a bridge connection and force it to use IGMPV3.
The following command will explain my issue better :
The below is the output of force_igmp_version before issuing brctl commands ...
0
votes
1answer
40 views
Is there a way to install L2TP and OpenVPN on one machine and bridge between both VPNs?
I am trying to install both OpenSwan-L2TP and OpenVPN on a Debian server and bridge between both server, is there a way to do that?
2
votes
1answer
96 views
KVM and bridge_stp setting
In which situation one should enable the bridge_stp for the host bridge when using KVM?
Is it worth keeping it disabled when not needed?
1
vote
2answers
62 views
Real life virtual bridge setup on Debian
How do I get the bridge setup done with multipe IP addresses.
Ideally, I would have 4 virtual systems each with it's own IP address but also an intranet address (like 10.#.#.#).
So that they can ...
2
votes
1answer
64 views
Trouble with NATing
I'm a networking noob, so sorry for the very generic title. I have the network setup in the following way:
A few details about the network:
eth0 on all the devices have an in IP in 10.10.10.0 ...
1
vote
1answer
52 views
After configuring OpenVPN in bridge mode my serve becomes unreachable from an outside network
I have configured a Debian server with OpenVPN in bridge mode according to OpenVPN's ethernet bridging guide. As part of the guide I ran the bridge-start script which creates a bridge and tap ...
0
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0answers
61 views
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 ...
1
vote
2answers
64 views
Point to Point wireless network
I have to link two offices 0.62 miles apart with a wireless link. So far my setup is as follows :
2 24db directional parabolic wifi antenna
1 watt wifi amplifiers on each antenna
Access point on ...
-1
votes
1answer
46 views
How do I configure a Huawei b520 ADSL router to work in bridge way?
I have a much better router now, Cisco e4200 but I still have to use the Huawei b520 router because the internet connection is using ADLS.
I want to configure b520 to act in a bridge mode and be ...
5
votes
1answer
219 views
How to prevent IP spoofing using MAC and ebtables?
I am trying to create IP-MAC pairing rules in ebtables. There are few tutorials and related questions [1] available but I have kind of specific setting.
ENVIRONMENT:
I have many physical hosts. Each ...
0
votes
1answer
34 views
Cisco 871 IOS BVI: Distinguishing incoming and outgoing
I understand that a BVI is very much equivalent to a network switch. But it includes the benefit of being able to have an access control list.
I am doing this, but I would like to more effectively ...
0
votes
1answer
250 views
Setup a local bridged connection using VirtualBox
I'm trying to forward/masquarade some trafic from my guest CentOS6 (virtualbox with bridged connection). Host is OSX Lion. Here is my network layout:
en1 - host iface
address: 78.251.xx.yy
...
3
votes
1answer
201 views
Configure Cisco 877 as bridge between Internet and Cisco ASA 5505
ISP ADSL ---- Cisco 877 Router ---- Cisco ASA 5505
I have the above connection. I'd like to avoid using NAT on the Cisco 837 router, and just put the ASA directly on the Internet. However, I have ...
1
vote
1answer
107 views
KVM second private network (bridged), how to get working?
this seems to be a hard problem. I would therefore be very thankfull for your advice. I spend two days trying to get this running, but with
no success. (The Public IP Stuff is working, but not the ...
0
votes
3answers
72 views
How is this wireless mode called?
I have the following situation and I don't know how to ask google.
I have a cabled LAN segment, lets say 192.168.1.X. One of the nodes there is a wifi router 192.168.1.3 that creates wireless ...
0
votes
1answer
141 views
Can I bridge IPv4 while routing IPv6 on the same two interfaces?
Is it possible to bridge aliased interfaces? And use their standard "parent" interfaces independently with full functionality?
Here's the scenario: I have a Linux based firewall and router with two ...
2
votes
1answer
70 views
DHCP not working through long bridged network
I have setup a hotspot at my local harbor. I have encountered a problem with my setup. The accespoint that creates the hotspot connection is a out door long range antenna from UBNT. The distance from ...
1
vote
0answers
178 views
Centos KVM Host OS not passing all network traffic Guest OS
I'm running KVM on Centos 5. I have a guest OS, ubuntu 10.04, that has Snort 2.9 installed on it. The guest OS has (2) nic's, eth0 and eth1. One nic, eth0, is configured with an IP and can be ...
3
votes
2answers
996 views
What is the correct way to setup a bonded bridge on Centos 6 for KVM guests?
What is the correct way to setup a bonded bridge on Centos 6 for KVM guests?
I'd currently playing around with a setup of two KVM-hosts which will each host several guests. I have two HP DL380:s with ...
2
votes
1answer
62 views
Can ufw on a kvm host restrict traffic to guests?
I've set up a number of guests running on kvm on Ubuntu. Network access for the guests is via network bridge with br0 sitting on top of eth0. I have ufw running on the host machine and this is ...
0
votes
1answer
52 views
xen-4 single nic dom0, add seccond 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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0answers
91 views
Slow windows network bridge
I have windows server 2008 r2 installed and use it as a router.
There are three interfaces up:
WAN - first NIC, internet connection.
LAN - second NIC(gigabit), local network connection.
WLAN - ...
2
votes
2answers
133 views
Create a bridged network connection using only the command line
I want to bridge two network connections on a Microsoft Hyper-V Server 2008 R2. As I'm essentially using a "Server Core", GUI is not available, so I can't use the usual way. (Right click the network ...
4
votes
1answer
225 views
How to use VirtualBox as a router without NAT between two subnets?
My host machine is in a 192.168.2.0/24 subnet and I wanted to set up a 10.0.0.0/8 network with various hosts in VirtualBox that talk to each other. So VirtualBox should act as a router between those ...
5
votes
1answer
58 views
Network bridge and broadcast ethernet frames
Let R1 and R2 be two (wireless) routers. Both R1 and R2 have one wired interface eth0 and one wireless interface wlan0. On each router, both interfaces are bridged on br0. So:
R1.br0 = R1.eth0 + ...
1
vote
0answers
235 views
bypass ip destination squid tproxy bridge
I have configured a squid transparent tproxy as http://wiki.squid-cache.org/Features/Tproxy4
All works fine.
Now I need all the traffic going to an external ip (internet) does not pass through the ...
0
votes
0answers
47 views
dns lookup doesn't work after setting up network bridge
DNS lookup worked fine until I setup network bridge. How to repair it?
ifconfig:
br0 Link encap:Ethernet HWaddr f0:ad:4e:00:90:a1
inet addr:192.168.1.84 Bcast:192.168.1.255 ...
2
votes
1answer
109 views
Using OpenVPN on Two Linux Machines *not on the gateways* to link the networks over the internet
I am running OpenVPN linking two linux machines on two networks. These machines are not the networks' gateways. There are also separate DD-WRT routers which are acting as the gateways on both ...
0
votes
0answers
149 views
KVM network in bridge mode with PPPoE
I had successfully installed KVM in Gentoo , and set network in bridge mode as the document described (direct bridging , not NAT). Now my guest and host OS can connect each other via ping , ssh and ...
1
vote
1answer
100 views
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 ...
0
votes
1answer
68 views
Giving IP to the bridge not to the Ethernet interface
Further to this question, what is the philosophy behind adding an IP to the bridge device br0 and not to eth0 that is a part of the bridge. None of the answers to that question satisfied me.
0
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0answers
108 views
ZeroShell 1.0.beta15 bridge doesn't pass DHCP
I have a ZeroShell box with two network interfaces that I eventually want to bridge and install a captive portal on. Before I get that far though, I need to get DHCP passing through.
I simply added ...
0
votes
2answers
334 views
Random temporary network freeze on kvm guest machines
I'm running two guest machines under KVM. The host is running Arch Linux (kernel version 2.6.38.2), the guests are both CentOS 5.5 (kernel version 2.6.18). I have the networking set up as a bridge, ...
0
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0answers
362 views
ClearOS transparent firewall and web proxy mode possible?
In other firewall software packages I have seen the ability and am hoping it is possible with ClearOS to put it in to transparent or bridged mode where the device sits physically between the client ...
1
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1answer
147 views
Correct use of a transparent bridge
I've asked a similar question previously but I am just now sure I am understanding what I need to do. My current set-up is as follows:
...
0
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0answers
238 views
OpenVPN on DD-WRT connects but cannot ping client
The client (outside the local network - obviously) successfully connects to the OpenVPN server running on the router, and is assigned an IP address of 192.168.0.150 (which is within the subnet, just ...
1
vote
2answers
57 views
iptables on bridged networking
I need some assistance to create a set of iptable rules to route and restrict usage between interfaces in a bridge (br0).
# brctl show
bridge name bridge id STP enabled interfaces
...
