[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

Jason W. Bacon  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|Open|Closed

--- Comment #15 from Jason W. Bacon  ---
Thanks!

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #14 from commit-h...@freebsd.org ---
A commit references this bug:

Author: jwb
Date: Sun Dec 29 15:13:40 UTC 2019
New revision: 53718
URL: https://svnweb.freebsd.org/changeset/doc/53718

Log:
  Update WiFi failover example in advanced-networking.

  Some wireless interfaces do not support changing their MAC address, so
  explicitly instruct the reader to change the Ethernet MAC instead.

  PR: docs/211436
  Submitted by:   paua...@gundo.com
  Reviewed by:crees, bcr, jwb
  Approved by:crees
  Differential Revision:  https://reviews.freebsd.org/D22708

Changes:
  head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #13 from PauAmma  ---
Created attachment 209155
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=209155=edit
Fix the Ethernet+WiFi example

- Swap the procedure around to change the Ethernet interface address instead of
the wireless interface.
- Change the Ethernet and wireless interface names and MAC addresses to mine
(re0 and ath0 instead of bge0 and iwn0).
- Tweak some markup and wording while I'm here.

Tested with lynx.

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #12 from Jason W. Bacon  ---
Using the wireless MAC fixed lagg on my Toshiba Satellite as well (with atheros
and re).  lagg didn't work when I did the install and I didn't have time to
investigate, so I just disabled it until now.

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #11 from Jason W. Bacon  ---
Yes, setting em0 to use the wifi MAC address also works for me.

I'll update auto-wifi-failover accordingly.

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #10 from PauAmma  ---
(In reply to Jason W. Bacon from comment #9)

> wlans_iwn0="wlan0"

As
https://lists.freebsd.org/pipermail/freebsd-current/2015-September/057403.html
explains, setting the MAC address doesn't work on all wifi adapters. For
example, it didn't work on my ath0, whereas setting the ethernet MAC address as
suggested in comment 4 works for me. From my /etc/rc.conf:

# Link aggregation, re0+wlan0 -> lagg0
ifconfig_re0="ether b8:ee:65:5b:32:59"
wlans_ath0="wlan0"
ifconfig_wlan0="WPA"
create_args_wlan0="country FR"
cloned_interfaces="lagg0"
ifconfig_lagg0="up laggproto failover laggport re0 laggport wlan0 DHCP"
ifconfig_lagg0_ipv6="inet6 accept_rtadv"

Can you test whether setting the ethernet MAC address works for you as well so
I can submit a doc patch either describing both methods (less than ideal IMO)
or giving only the method setting the ethernet MAC address (if it works with
all supported FreeBSD versions)?

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #9 from Jason W. Bacon  ---

This is currently working on my ThinkPad, using the MAC of the Ethernet
interface:

ifconfig_em0="up"
wlans_iwn0="wlan0"
ifconfig_wlan0="WPA"
create_args_wlan0="wlanaddr xx:xx:xx:xx:xx:xx"
cloned_interfaces="lagg0"
ifconfig_lagg0="up laggproto failover laggport em0 laggport wlan0 DHCP"
ifconfig_lagg0_ipv6="inet6 accept_rtadv"

The same setup has worked on 11.2, 12.0, and 12.1.

This was generated by auto-wifi-failover, part of sysutils/auto-admin.

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

PauAmma  changed:

   What|Removed |Added

 CC||paua...@gundo.com

--- Comment #8 from PauAmma  ---
(In reply to Jason W. Bacon from comment #3)

> Neither the prescribed method for 11.x nor using the MAC of the wireless 
> interface is working for me with 11.0-RELEASE.

Trying to move this forward, as using the wireless MAC address on the Ethernet
NIC works for me on 12.1 whereas the method described in the handbook didn't:
are you still having problems using this method with a supported release, 11.3
or 12.x?

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #6 from Erik Nordstrøm  ---
(In reply to Jason Bacon from comment #5)

Sorry to hear that it didn't work. I hope it will get fixed so that it works
for you some time in the not too distant future.

Meanwhile, in case you are willing to go through some extra trouble, I suggest
that you consider buying an external USB WiFi module with a chipset that has
good driver support in FreeBSD. This might be more hassle than it's worth,
though? Also, having a WiFi module sticking out from your laptop on the move
puts you at risk of destroying the module and the port if you or somebody else
accidentally bump into it. Besides it could also be that the link aggregation
problems are caused by the ethernet interface, who knows. You might try an USB
ethernet interface as well, perhaps? At that point it gets quite ridiculous
with the amount of extra cables and modules I suppose. Maybe it's not the best
idea. Just something I came to think of.(In reply to Jason Bacon from comment
#5)

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

--- Comment #5 from Jason Bacon  ---
God dag Erik,

Thanks for your reply.

This is a fresh installation.  I never use upgrade tools on any system. I'd
rather improve my speed and proficiency with fresh installs, to avoid bit rot
and other surprises, and to be ready to respond to quickly catastrophic
hardware failures.  Hence sysutils/desktop-installer and sysutils/auto-admin.

I looked over your info and still no luck.  Your working config looks exactly
like my original config, in fact.

I think we'll just have to wait until this issue is fixed upstream.

Cheers,

Jason

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

Erik Nordstrøm  changed:

   What|Removed |Added

 CC||e...@nordstroem.no

--- Comment #4 from Erik Nordstrøm  ---
(In reply to Jason Bacon from comment #3)

Jason, was this in a fresh install or one with prior configurations?

I have a ThinkPad T520 running FreeBSD 11.0-RELEASE-p2.

Today I decided I wanted to set up failover link aggregation between the wired
and wireless interfaces and I struggled a lot. It was first when I realized
that I had previous configuration for one of the interfaces in
/etc/rc.conf.local in addition to the configuration I had for the other
interface in /etc/rc.conf.

I suggest you

grep -R re0 /etc/

and

grep -R urtwn0 /etc/

and perhaps even

grep -R wlan0 /etc/

on your computer to make sure that you don't have any other network
configuration that interferes with the lagg0.

My working configuration is this:

- Given wired em0 real MAC aa:aa:aa:aa:aa:aa, and
- given wireless iwn0 real MAC bb:bb:bb:bb:bb:bb

I put the following in /etc/rc.conf:

ifconfig_em0="ether bb:bb:bb:bb:bb:bb up"
wlans_iwn0="wlan0"
ifconfig_wlan0="WPA country NO"
cloned_interfaces="lagg0"
ifconfig_lagg0="laggproto failover laggport em0 laggport wlan0 DHCP"

I live in Norway, so obviously use your country code in place of mine.

No other interface config should be present, or it might interfere.

In addition to this, I have my standard /etc/wpa_supplicant.conf from before
unmodified.

I still have to manually

service netif restart lagg0

in order for the routing tables to update, and I might also have to

service dhclient restart lagg0

both of these because the networks I usually are separate for wired and
wireless.

I wish to find a solution for that also but this bug is not the right place for
me to talk about that, I just wanted to mention it for completeness.

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211436

Jason Bacon  changed:

   What|Removed |Added

 CC||bacon4...@gmail.com

--- Comment #3 from Jason Bacon  ---
Neither the prescribed method for 11.x nor using the MAC of the wireless
interface is working for me with 11.0-RELEASE.

The Ethernet interface works, but wireless failover does not connect:

Oct 17 08:59:09 oyster kernel: wlan0: link state changed to UP
Oct 17 08:59:09 oyster kernel: lagg0: link state changed to UP
Oct 17 08:59:09 oyster wpa_supplicant[21944]: wlan0: Associated with
b0:7f:b9:01:aa:3b
Oct 17 08:59:09 oyster dhclient[22096]: send_packet: No buffer space available
Oct 17 08:59:14 oyster last message repeated 2 times
Oct 17 08:59:17 oyster wpa_supplicant[21944]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=b0:7f:b9:01:aa:3b reason=0
Oct 17 08:59:17 oyster kernel: wlan0: link state changed to DOWN
Oct 17 08:59:17 oyster kernel: lagg0: link state changed to DOWN
Oct 17 08:59:17 oyster wpa_supplicant[21944]: wlan0:
CTRL-EVENT-SSID-TEMP-DISABLED id=1 ssid="MARITIME" auth_failures=2 duration=20
reason=CONN_FAILED
Oct 17 08:59:26 oyster dhclient[22096]: send_packet: Network is down

Both interfaces work fine without lagg, with the following config:

ifconfig_re0="DHCP"
wlans_urtwn0="wlan0"
ifconfig_wlan0="WPA DHCP"

This lagg config was working fine on 10.1:

ifconfig_re0="up"
ifconfig_urtwn0="ether e8:9a:8f:21:67:d3"
wlans_urtwn0="wlan0"
ifconfig_wlan0="WPA"
cloned_interfaces="lagg0"
ifconfig_lagg0="laggproto failover laggport re0 laggport wlan0 DHCP"

I've tried this config, tried switching to

create_args_wlan0="wlanaddr e8:9a:8f:21:67:d3"

and tried 

ifconfig_re0="ether 80:1f:02:b6:a8:3e up"

instead of

ifconfig_urtwn0="ether e8:9a:8f:21:67:d3"

Any other suggestions?

Thanks,

   Jason

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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Mark Linimon  changed:

   What|Removed |Added

   Keywords|needs-patch |patch

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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--- Comment #2 from Randy Westlund  ---
Ah, thanks for the link.  In that case, I think the correct example should be
this:

> ifconfig_bge0="ether 00:21:70:da:ae:37 up"
> wlans_iwn0="wlan0"
> ifconfig_wlan0="WPA"
> cloned_interfaces="lagg0"
> ifconfig_lagg0="laggproto failover laggport bge0 laggport wlan0 DHCP"

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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Kubilay Kocak  changed:

   What|Removed |Added

 Status|New |Open
   Keywords||easy, needs-patch

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[Bug 211436] Link aggregation setting wlan mac changed in 11

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Bug ID: 211436
   Summary: Link aggregation setting wlan mac changed in 11
   Product: Documentation
   Version: Latest
  Hardware: Any
OS: Any
Status: New
  Severity: Affects Only Me
  Priority: ---
 Component: Documentation
  Assignee: freebsd-doc@FreeBSD.org
  Reporter: rwest...@gmail.com

The handbook shows setting up wifi/ethernet failover like this:

> ifconfig_bge0="up"
> ifconfig_iwn0="ether 00:21:70:da:ae:37"
> wlans_iwn0="wlan0"
> ifconfig_wlan0="WPA"
> cloned_interfaces="lagg0"
> ifconfig_lagg0="laggproto failover laggport bge0 laggport wlan0 DHCP"

As of FreeBSD 11, this no longer works.  The correct way is like this:

> ifconfig_bge0="up"
> create_args_wlan0="wlanaddr 00:21:70:da:ae:37"
> wlans_iwn0="wlan0"
> ifconfig_wlan0="WPA"
> cloned_interfaces="lagg0"
> ifconfig_lagg0="laggproto failover laggport bge0 laggport wlan0 DHCP"


The relevant section is 30.7, example 30.3.
https://www.freebsd.org/doc/handbook/network-aggregation.html

Relevant discussion on the mailing list:
https://docs.freebsd.org/cgi/getmsg.cgi?fetch=638990+0+current/freebsd-current

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