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Date:      Sun, 26 Sep 2021 11:32:20 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 258734] lagg man page should not promote setting MAC on wireless interfaces
Message-ID:  <bug-258734-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D258734

            Bug ID: 258734
           Summary: lagg man page should not promote setting MAC on
                    wireless interfaces
           Product: Base System
           Version: Unspecified
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: jwb@freebsd.org

I just noticed the following in the lagg man page:

     The following example uses an active failover interface to set up roam=
ing
     between wired and wireless networks using two network devices.  Whenev=
er
     the wired master interface is unplugged, the wireless failover device
     will be used:

           # ifconfig em0 up
           # ifconfig ath0 ether 00:11:22:33:44:55
           # ifconfig create wlan0 wlandev ath0 ssid my_net up
           # ifconfig lagg0 create
           # ifconfig lagg0 laggproto failover laggport em0 laggport wlan0 \
                   192.168.1.1 netmask 255.255.255.0

     (Note the mac address of the wireless device is forced to match the wi=
red
     device as a workaround.)

We had a discussion a while back about some non-working Wifi failover
configurations and someone discovered that certain popular WiFi devices do =
not
support overriding the MAC address.

Overriding the MAC of the Ethernet interface seems to work more universally.

This is what auto-wifi-failover (part of sysutils/auto-admin) now does.

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