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1answer
24 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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2answers
217 views

Using a 3g usb dongle as Cisco router access point

We have an office opening, and we aren't going to have comms into the building when management want the building to open. Our only option (I think) Is to try and hook up a 3/4g dongle to something to ...
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0answers
332 views

Using ebtables to drop packets out of bridge and route via Tinc VPN

We have a bridge set up on Ubuntu to link our LAN to our gateway which is on the same subnet. We need this to be able to control the traffic and are not currently in a position to change subnets so we ...
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1answer
90 views

How to set up a PPPoE connection on a router which connects to the Internet through another router [closed]

My ISP has given me a router on which I don't have permission to set up the configuration (well, the important part at least. It's in bridge mode, ISP says). To connect to the Internet, I have to ...
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1answer
153 views

Convert wifi to wired using wireless router [closed]

I have a TP-Link WR740N, a Raspberry Pi (With only an ethernet port for Network), and a Wifi connection. Is it possible to use the wireless router to bridge the Pi with the Wifi connection?
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1answer
508 views

Virtual firewall to protect hypervisor

I am running an Ubuntu Server 12.10 as a single host connected to a NATed router connected using PPPoE to a optical fiber modem. This server is meant to be accessed from the Internet, but also to be ...
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1answer
2k views

Linux bridge (brctl) dosnt forward IP packet when router is one of the bridge endpoints

I have setup a brctl bridge on Ubuntu with the following deployment: Cisco router -> Linux bridge -> client computer The bridge forward the following packets types: ARP,STP, but doesn't ...
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1answer
449 views

Two network interface bridges - one LAN

I have little bit lack of linux networking understanding, so there is my question: We have 2 computers (SRV1, SRV2). Each of it has 1 NIC and both are connected by OpenVPN bridge Configuration: ...
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1answer
1k 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 ...
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vote
3answers
2k views

Bridging two Ethernet networks /w DHCP over WiFi

What I am looking for is a bridge. WiFi cannot handle normal bridging, so how can I route two IP Ethernet networks using WiFi? (Under Linux) How do I set up IP routing under Linux? It must forward ...
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2answers
2k views

Cisco IOS BVI ACL: Only allow established UDP

Related: Cisco IOS ACL: Don't permit incoming connections just because they are from port 80 I know we can use the established keyword for TCP.. but what can we do for UDP (short of replacing a ...
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1answer
525 views

BVI vs Bridge routers

What is the difference between BVI and Bridge on Cisco IOS routers?
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1answer
402 views

Cisco Can a NAT router co-exist with a BVI?

I would like to make sure I understand this correctly. Given a Cisco ISO router that is set up with a BVI (a variation of a bridge route).. and the following layout "ISP router" \ ...
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2answers
463 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 ...
0
votes
1answer
2k views

Why did I have to clone the MAC address?

I have a Zoom X5 ADSL modem/router and a DI-524 router. I needed to turn the Zoom X5 into a modem only and use the DI-524 for router functions (DHCP Server and NAT). What drove this configuration is ...