Date: Tue, 31 Mar 2009 10:54:34 +0200 From: Mel Flynn <mel.flynn@mailing.thruhere.net> To: freebsd-mobile@freebsd.org Cc: Daniel Eischen <deischen@freebsd.org>, Sam Leffler <sam@freebsd.org>, "J. Porter Clark" <jpc@porterclark.com> Subject: Re: Switching from wired to wireless getting "network down" Message-ID: <200903311054.35181.mel.flynn@mailing.thruhere.net> In-Reply-To: <49CFBA6D.9070208@freebsd.org> References: <1238217783.00093348.1238205603@10.7.7.3> <Pine.GSO.4.64.0903281851000.23196@sea.ntplx.net> <49CFBA6D.9070208@freebsd.org>
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On Sunday 29 March 2009 20:14:05 Sam Leffler wrote: > Daniel Eischen wrote: > > On Sat, 28 Mar 2009, Daniel Eischen wrote: > >> No, there's no PR as far as I can tell. I'll try and set up a > >> test system to duplicate it again, so I have proper information > >> for a PR. > >> > >> I seem to recall that if wlanX is your primary/first lagg > >> interface, then it uses the MAC address from the underlying > >> interface as lagg's MAC address. In this case it works, > >> but that's not the usual case 'cause you'd rather use a > >> faster wired interface first if it exists. > >> > >> So this works: > >> > >> ifconfig lagg0 laggproto failover laggport wlan0 laggport bge0 > >> > >> but this doesn't: > >> > >> ifconfig lagg0 laggproto failover laggport bge0 laggport wlan0 > >> > >> In the latter case, lagg only works when bge0 is up. > > > > Also note that lagg(4) still references ath0 in its example instead > > of wlan0. > > > > # ifconfig em0 up > > # ifconfig ath0 nwid my_net up > > # ifconfig lagg0 laggproto failover laggport em0 laggport ath0 \ > > 192.168.1.1 netmask 255.255.255.0 > > r190526 makes it possible to do the wired/wireless failover in HEAD. > The only caveat is you must manually set the mac address of the wireless > device to match the wired device because lagg's automatic setting of the > wlanX ifnet doesn't propagate to the underlying device (the way > if_setlladdr works makes it difficult). In the mean time you can do: > > ifconfig ath0 ether 00:11:22:33:44:55 > > where the mac address is whatever your wired nic's address is and then > setup lagg0 using the wlan; e.g. > > ifconfig ath0 ether 00:11:22:33:44:55 > ifconfig wlan create wlandev ath0 ssid my_net up > ifconfig lagg create laggproto failover laggport em0 laggport wlan0 ... > > I also verified it works with WPA. In fact I tested this on a thinkpad > in a docking station and it did the right thing just un-docking and > re-docking. My only complaint is my ping running during all this lost > one packet in the transition; not sure where. Great! Does this also work for hostap mode now? I'd like to unify my internal network, currently using rum as hostap. If the answer is no, I pledge to file a PR. ;)
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