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Questions tagged [bridge-router]

26 questions
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4 answers

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 DHCP, that is, the router must forward broadcast…
unixman83
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Linux: Speeding up traffic destinated to the bridge itself

I am attempting to follow this advice to speed up traffic destinated to the bridge itself. My situation seems to check all the boxes: server also talks to other hosts, bridge ports don't have IP addresses, routing table is correct, etc. However,…
mwp
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Unable to ping from bridge interface(br0) to another subnet interface IP in Oracle Virtual Box VM

I am newbie to networking and trying to ping from bridge interface to another interface configured with different subnet IP address. I am trying these configuration in oracle virtual BOX VM running with Ubuntu 16.04. I have three interfaces eth0,…
daren
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How to make routing between bridges in linux?

i want to create bridge for my virtual machine. And i want to have access in internet from my virtual bridge. What i did: DEVICE=br1 TYPE=Bridge ONBOOT=yes BOOTPROTO=static IPADDR=192.168.1.1 NETMASK=255.255.255.0 I have bridge in my network (by…
Valeriu
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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 act as the access point, and send all the traffic…
beakersoft
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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 can't just route it instead. The gateway is…
Tom
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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 forward IP.(I see that it get IP packets in eth0 but dosnt…
Avihai Marchiano
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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 Bridge or BVI with a NAT)? Answer I found out what…
700 Software
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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" \ "Network switch" # nothing special here. | …
700 Software
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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 that when I signed onto XBOX Live with only the…
Gutzofter
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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 into my laptop. The modem-router is Zyxel P660R.…
James
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DHCP not working for bridged QEMU virtual machine

Environment: A router with DHCP server. This router manages a subnet of 172.16.0.1/16 A host with Ubuntu 20.04 installed, and it has a NIC named eno0. A QEMU virtual machine running on host. Purpose: Bridge the virtual machine with host's NIC to…
Douglas Su
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Routing traffic from a bridge interface (with IP assigned) to another network on a different local interface

I'm on Ubuntu 20.04 and am running virtual machines (KVM) locally that are attached to a bridge interface on the host. The bridge (and all VMs attached to it) are getting their IPs via DHCP from a DSL/router on the same network. The bridged…
Tobias Gierke
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VM inside an Esxi host does not have Internet access

I have installed an ESXi 6.7 host inside a VMware Workstation. That ESXi has one VM Ubuntu 20 server running. But that VM does not have internet access. Here are the network settings: ESXi host is connected to internet router via Bridged adapter…
Alex
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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 between bridges) isn't allowed, however still…
Jonny
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