Date: Mon, 7 Sep 2015 15:24:51 +0300 From: Sergey Kandaurov <pluknet@gmail.com> To: Gleb Smirnoff <glebius@freebsd.org> Cc: John Baldwin <jhb@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, Adrian Chadd <adrian.chadd@gmail.com>, "Ranjan1018 ." <214748mv@gmail.com> Subject: Re: Upgrading to r297291 LAGG(4) stops working. Message-ID: <CAE-mSO%2BXhrvYoHPhCnXizXLcV8jAOfzZXLwjDxxFUujxqjJXTg@mail.gmail.com> In-Reply-To: <20150904140608.GZ1023@glebius.int.ru> References: <CACyC=qZm74oBjtsUPu4C2hB_C24eeRXUasNqSxzioAzNyjVGdA@mail.gmail.com> <CACyC=qZaR%2BsjF3ppBfM8HTJg_W9tGQh546eRDp8MuF77g7OVbA@mail.gmail.com> <CAJ-Vmokr6E17VpZzd47ZB7PWyqRAvweNi%2BRnko45GHyQP9YYHA@mail.gmail.com> <4074787.MD5UFHZJLz@ralph.baldwin.cx> <CAE-mSO%2BG4CB-Qnvs3mnQBOtgcorQcjY2P_b2RJucFVSwSJX8tw@mail.gmail.com> <20150904140608.GZ1023@glebius.int.ru>
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On 4 September 2015 at 17:06, Gleb Smirnoff <glebius@freebsd.org> wrote:
> On Fri, Sep 04, 2015 at 04:39:22PM +0300, Sergey Kandaurov wrote:
> S> On 1 September 2015 at 04:47, John Baldwin <jhb@freebsd.org> wrote:
> S> > On Monday, August 31, 2015 09:58:45 AM Adrian Chadd wrote:
> S> >> Hi,
> S> >>
> S> >> +glebius, as he recently messed around with the wifi stack and his
> S> >> changes may have broken how mac addresses are assigned to the
> S> >> hardware.
> S> >
> S> > Glebius did break this, though not because of what you say. It's broken
> S> > because the 'ifconfig_ath0' line that sets the mac address no longer
> S> > does anything because 'ath0' is no longer an interface (and so that
> S> > line is now ignored, plus it wouldn't work if it were passed to ifconfig
> S> > now anyway).
> S> >
> S> > At the very least the Handbook section on this needs to be updated to give
> S> > working instructions for both HEAD and stable branches.
> S>
> S> What about this change?
> S> It should work in both current and stable (not tested, though).
>
> AFAIU, Adrian suggests to better change MAC of Ethernet device, rather
> than WiFi one. Not all WiFi drivers support change of MAC.
Of course, you're correct.
Unfortunately this required more changes, mostly words permutation.
Index: en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
(revision 47311)
+++ en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
(working copy)
@@ -3671,43 +3671,53 @@
security reasons, while maintaining the ability to transfer
data over the wireless connection.</para>
- <para>This is achieved by overriding the physical wireless
+ <para>This is achieved by overriding the physical Ethernet
interface's <acronym>MAC</acronym> address with that of the
- Ethernet interface.</para>
+ wireless interface.</para>
<para>In this example, the Ethernet interface,
<replaceable>bge0</replaceable>, is the master and the
- wireless interface, <replaceable>wlan0</replaceable>, is
- the failover. The <replaceable>wlan0</replaceable> device
+ wireless interface, <replaceable>wlan0</replaceable>, which
was created from <replaceable>iwn0</replaceable> wireless
- interface, which will be configured with the
- <acronym>MAC</acronym> address of the Ethernet interface.
- First, determine the <acronym>MAC</acronym> address of the
- Ethernet interface:</para>
+ interface is the failover. The <replaceable>bge0</replaceable>
+ interface will be configured with the
+ <acronym>MAC</acronym> address of the WLAN interface.
+ Replace the names of the network interfaces to match
+ the local configuration.</para>
- <screen>&prompt.root; <userinput>ifconfig
<replaceable>bge0</replaceable></userinput>
-bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric
0 mtu 1500
- options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4>
+ <para>First, bring the wireless interface up, but do not set
+ an <acronym>IP</acronym> address:</para>
+
+ <screen>&prompt.root; <userinput>ifconfig
<replaceable>wlan0</replaceable> create wlandev
<replaceable>iwn0</replaceable> ssid
<replaceable>my_router</replaceable> up</userinput></screen>
+
+ <para>Determine the <acronym>MAC</acronym> address of the
+ WLAN interface.</para>
+
+ <screen>&prompt.root; <userinput>ifconfig
<replaceable>wlan0</replaceable></userinput>
+wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
metric 0 mtu 1500
ether 00:21:70:da:ae:37
- inet6 fe80::221:70ff:feda:ae37%bge0 prefixlen 64 scopeid 0x2
- nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
- media: Ethernet autoselect (1000baseT <full-duplex>)
- status: active</screen>
+ media: IEEE 802.11 Wireless Ethernet DS/11Mbps mode 11g
+ status: associated
+ ssid my_router channel 1 (2412 Mhz 11g) bssid 00:11:95:c3:0d:ac
+ country US ecm authmode WPA2/802.11i privacy ON deftxkey UNDEF
+ AES-CCM 3:128-bit txpower 21.5 bmiss 7 scanvalid 450 bgscan
+ bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 5 protmode CTS
+ wme burst roaming MANUAL</screen>
- <para>Replace <replaceable>bge0</replaceable> to match the
- system's Ethernet interface name. The
- <literal>ether</literal> line will contain the
- <acronym>MAC</acronym> address of the specified interface.
- Now, change the <acronym>MAC</acronym> address of the
- underlying wireless interface:</para>
+ <para>The <literal>ether</literal> line will contain the
+ <acronym>MAC</acronym> address of the specified
+ interface.</para>
- <screen>&prompt.root; <userinput>ifconfig
<replaceable>iwn0</replaceable> ether
<replaceable>00:21:70:da:ae:37</replaceable></userinput></screen>
-
- <para>Bring the wireless interface up, but do not set an
+ <para>Bring the Ethernet interface up, but do not set an
<acronym>IP</acronym> address:</para>
- <screen>&prompt.root; <userinput>ifconfig
<replaceable>wlan0</replaceable> create wlandev
<replaceable>iwn0</replaceable> ssid
<replaceable>my_router</replaceable> up</userinput></screen>
+ <screen>&prompt.root; <userinput>ifconfig
<replaceable>bge0</replaceable> up</userinput></screen>
+ <para>Now, change the <acronym>MAC</acronym> address of the
+ Ethernet interface:</para>
+
+ <screen>&prompt.root; <userinput>ifconfig
<replaceable>bge0</replaceable> ether
<replaceable>00:21:70:da:ae:37</replaceable></userinput></screen>
+
<para>Make sure the <replaceable>bge0</replaceable> interface
is up, then create the &man.lagg.4; interface with
<replaceable>bge0</replaceable> as master with failover to
@@ -3739,8 +3749,7 @@
following entries to
<filename>/etc/rc.conf</filename>:</para>
- <programlisting>ifconfig_bge0="up"
-ifconfig_<replaceable>iwn0</replaceable>="<replaceable>ether
00:21:70:da:ae:37</replaceable>"
+ <programlisting>ifconfig_bge0="<replaceable>ether
00:21:70:da:ae:37</replaceable> up"
wlans_<replaceable>iwn0</replaceable>="wlan0"
ifconfig_wlan0="WPA"
cloned_interfaces="<literal>lagg<replaceable>0</replaceable></literal>"
--
wbr,
pluknet
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