Groups > comp.os.linux.networking > #4154

Re: Separate two network bridges on linux

From	Kevin Osthoff <icepic1984@gmx.de>
Newsgroups	comp.os.linux.networking
Subject	Re: Separate two network bridges on linux
Date	2018-06-23 00:10 +0200
Message-ID	<87muvma2w8.fsf@gmx.de> (permalink)
References	(1 earlier) <slrnpinvil.31ka.grahn+nntp@frailea.sa.invalid> <87y3f7ajhn.fsf@gmx.de> <pgib48$6k6$1@dont-email.me> <87tvpuadm8.fsf@gmx.de> <pgjfq5$daj$1@tncsrv09.home.tnetconsulting.net>

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Grant Taylor <gtaylor@tnetconsulting.net> writes:

> That's just it.  The kernel does forward packets between interfaces
> unless you expressly stop it.
>
> [...]
> 
> Bridge logical interfaces should behave the same way as physical
> interfaces (in this context).  Both physical and logical need
> something to stop traffic from being forwarded.

Ok thanks for the clearification. Do different unix operating systems
behave differently regarding this aspect? Is this what is called strong
/ weak host model? 

> Filtering is necessary.  The kernel has routes to both networks.  So
> any traffic that comes into the kernel is routed to where it needs to
> go, be it the other network or the Internet.

Ok i will setup filter rules. Thanks for your help.

Best regard

Kevin!

-- 
No fun. Not ever!

Thread

Separate two network bridges on linux Kevin Osthoff <icepic1984@gmx.de> - 2018-06-21 22:11 +0200
  Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-21 12:30 -0600
    Re: Separate two network bridges on linux Kevin Osthoff <icepic1984@gmx.de> - 2018-06-21 23:52 +0200
      Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-21 16:37 -0600
      Re: Separate two network bridges on linux Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-06-22 21:27 +0200
        Re: Separate two network bridges on linux Kevin Osthoff <icepic1984@gmx.de> - 2018-06-23 00:16 +0200
  Re: Separate two network bridges on linux Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-06-21 19:36 +0000
    Re: Separate two network bridges on linux Kevin Osthoff <icepic1984@gmx.de> - 2018-06-21 23:59 +0200
      Re: Separate two network bridges on linux Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-06-21 20:39 +0000
      Re: Separate two network bridges on linux Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2018-06-22 11:14 +0300
        Re: Separate two network bridges on linux Kevin Osthoff <icepic1984@gmx.de> - 2018-06-22 20:18 +0200
          Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-22 12:35 -0600
            Re: Separate two network bridges on linux Kevin Osthoff <icepic1984@gmx.de> - 2018-06-23 00:10 +0200
              Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-22 14:36 -0600
                Re: Separate two network bridges on linux Richard Kettlewell <invalid@invalid.invalid> - 2018-06-22 22:23 +0100
                Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-22 15:37 -0600
              Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-22 15:46 -0600
              Re: Separate two network bridges on linux Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-06-22 22:45 +0000
                Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-22 17:38 -0600
    Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-21 16:40 -0600
      Re: Separate two network bridges on linux Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-06-22 05:38 +0000
    Re: Separate two network bridges on linux Stefan Monnier <monnier@iro.umontreal.ca> - 2018-06-21 22:01 -0400
      Re: Separate two network bridges on linux Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-06-22 05:54 +0000
        Re: Separate two network bridges on linux Grant Taylor <gtaylor@tnetconsulting.net> - 2018-06-22 13:40 -0600
          Re: Separate two network bridges on linux Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-06-23 06:36 +0000
          Re: Separate two network bridges on linux Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2018-06-23 20:18 +0300

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