Questions tagged as ['ebtables']

Hi I am trying to run ebtables within docker however none of the ebtables rules are being hit.

For example - pay attention that counters are not increased though ARP is sent and succeeds

[root@injector /]# ebtables -A OUTPUT -p ARP -j ACCEPT
[root@injector /]# ebtables -Lc  --Lc --Lx
Bridge table: filter

Bridge chain: INPUT, entries: 0, policy: ACCEPT

Bridge chain: FORWARD, entries: 0, policy: ACCEPT

 ...

I spend much time today figuring out how to do this, but I could not find a solution. In my mind it should be possible. I'm trying to setup the following setup:

setup overview

Reading the tap1 interface and forwarding to enp0s3 using Go should work without any problems... I hope. If I do a ping 10.0.0.10 -I tap1 I can see the ether frames in the Go application. (I currently use https://github.com ...

I've a linux bridge (br0) setup with netplan as the following:

  version: 2
  renderer: networkd
  ethernets:
    eno1:
      dhcp4: no
      dhcp6: no
  bridges:
    probr:
      interfaces:
        - eno1
      macaddress: ab:cd:ef:01:02:03
      addresses:
        - 51.x.y.z/24
      nameservers:
        addresses:
          - 8.8.8.8
          - 1.1.1.1
      parameters:
        stp: false
     ...

I've been struggling with this problem for months, and my limited networking knowledge doesn't allow me to progress further, so here I am asking for an advice.

I have an OpenWRT Router with two subnets, 192.168.1.x and 192.168.2.x. On 192.168.1.x I have a client PC running an application I don't have sources of, and on 192.168.2.x runs a server of the same software. In order to discover other ser ...