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 From:  "Mohammed Ismail" <m dot ismael at gmail dot com>
 To:  <m0n0wall dash dev at lists dot m0n0 dot ch>
 Subject:  RE: Bridge - Sticky Interface
 Date:  Sat, 31 Oct 2009 11:26:14 +0200
Using workon.sh 

Cd to /etc/inc and edit interfaces.inc 

Around line 300

        // at this point, $bridgearray is fully populated for the number of
bridges the system requires.

        // time to set them up.

        for($x=0; $x <= $bridge_if_num; $x++) {

                // destroy and create ifbridge interface

                mwexec("/sbin/ifconfig bridge{$x} destroy");

                mwexec("/sbin/ifconfig bridge{$x} create");

                // log commands run for debugging in /tmp

                $fd = fopen("{$g['tmp_path']}/bridge{$x}_config", "w");

                fwrite($fd, "/sbin/ifconfig bridge{$x} destroy \n");

                fwrite($fd, "/sbin/ifconfig bridge{$x} create \n");

                $bridgecmd = "/sbin/ifconfig bridge{$x} ";

                $lowestmtu = "1500";

                $sticky = "sticky";

I added last line                 $sticky = "sticky";

Then after 

  // force all bridged interfaces to same MTU, the lowest common denominator

                foreach ($bridgearray[$x] as $bridgeif) {

                        mwexec("/sbin/ifconfig {$bridgeif} mtu

                        fwrite($fd, "/sbin/ifconfig {$bridgeif} mtu
{$lowestmtu} \n");


I added 

                // force virtual bridged interfaces to be marked sticky

                foreach ($bridgearray[$x] as $bridgeif) {

                        mwexec("{$bridgecmd} {$sticky} {$bridgeif}");

                        fwrite($fd, "{$bridgecmd} {$sticky} {$bridgeif}


And it works only on second network card or opt interfaces not LAN 

When I go to status.php

bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet netmask 0xff000000 broadcast
        inet netmask 0xffffffff broadcast
        ether 66:62:29:f3:3d:23
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto stp maxaddr 100 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: xl0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>

xl0 = lan 

xl1 = bridged to lan


sorry if I posted in the wrong place.

But I needed answers to understand is what I did works or not, that I
misunderstand what sticky interface is ?


Best regards 

Mohammed .