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See:

%sudo ebtables-save
# Generated by ebtables-save v1.0 on Fri Mar  8 01:06:56 UTC 2019
*broute
:BROUTING ACCEPT

*nat
:PREROUTING ACCEPT
:OUTPUT ACCEPT
:POSTROUTING ACCEPT

*filter
:INPUT ACCEPT
:FORWARD ACCEPT
:OUTPUT ACCEPT

Trying to load that after saving to a file (e.g., sudo ebtables-save > tmp.txt && sudo ebtables-restore tmp.txt) or more directly with

sudo ebtables-save | sudo ebtables-restore

Always results in:

Bad table name 'broute'.

And an exit value of 255.

Why?

NOTE: Happens in a number of distros, but this last test was on Ubuntu server 18.04. ebtables v2.0.10-4 (December 2011)

Gabe
  • 31
  • 3

1 Answers1

0

This is apparently a confirmed Ubuntu Bug. You can look up more info here: https://bugs.launchpad.net/ubuntu/+source/ebtables/+bug/1672276

There is a workaround, I have not tried it myself, So I cannot confirm that it works. You can see the workaround here :https://knoffhoff.tumblr.com/post/59967875099/how-to-save-and-load-ebtables-rules

gurpreetsingh
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