Am 05.07.2018 um 12:22 schrieb Matthias Apitz:
El día miércoles, julio 04, 2018 a las 04:02:22p. m. +0200, Harry Schmalzbauer
escribió:
Am 04.07.2018 um 15:30 schrieb Matthias Apitz:
Hello,
This morning I was in the Wifi area of the Munich Filmfest. They give the SSID
and the WPA-2 password to anybody. While my FreeBSD (CURRENT) could associate
fine,
I did not get any IP addr. My Linux cellphone was working fine out of
the box and showed an IPv6 addr in the network interface.
How this must be configured in FreeBSD?
It was porbably v6 only (W)LAN.
dhclient(8) in base does only care about IPv4.
For IPv6 stateless, you need to watch
sysctl(8) net.inet6.ip6.no_radr
and
ifconfig(8) -no_radr
By default, if set ipv6_activate_all_interfaces="YES" in rc.conf(5), I
think you should get a stateless IPv6 address (since
net.inet6.ip6.no_radr=0, hence no no_radr flag for your IPv6-enablef
interface (wlan0)), as long as there's a router in the (W)LAN advertising.
For stateful IPv6, you must install somethink like KAME-dhcp6
(ports/net/dhcp6).
But the latter isn't widely deployed, most setups I've seen have routers
advertising and clients with stateless setup.
Can't tell you out of mind what your rc.conf(5) should look like to
enable stateless config for distinct interfaces, but I'm sure you'll
quickly find if you look for the above mentiond key words.
Viel Spass auf'm Filmfest :-)
Thanks for the reply. I have now in rc.conf the following lines:
/etc/rc.conf
wlans_ath0="wlan0"
ifconfig_wlan0="WPA DHCP"
# IPv6 starts here
# add ipv6 entry for wlan0
ipv6_network_interfaces="wlan0"
# set up wlan0 to accept rtadv(8) advertisements
ifconfig_wlan0_ipv6="inet6 accept_rtadv"
ip6addrctl_enable="YES"
ip6addrctl_policy="ipv6_prefer"
ipv6_activate_all_interfaces="YES"
# ifconfig_wlan0_ipv6="YES"
# IPv6 end here
And when the interface associates it gives the output attached below for
ifconfig and netstat; but nothing is working, esp. not
# ping6 www.muc.de
I have no idea, what's missing... It's not an big issue for me, as I can
use my Linux phone as a hotspot, but would be nice to get this working
for the next year's filmfest.
matthias
$ ifconfig wlan0
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 90:48:9a:92:9e:43
inet6 fe80::9248:9aff:fe92:9e43%wlan0 prefixlen 64 scopeid 0x2
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
This should read
nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
Can't tell about the rc.conf(5), sorry. I neither use stateless v6 for
any client nor have I used FreeBSD other than static v6 setup, since
dhclient(8) doesn't support v6.
Try setting 'ifconfig wlan0 inet6 accept_rtadv' manually and if that
solves the problem, check why ifconfig_wlan0_ipv6="inet6 accept_rtadv"
from rc.conf(5) doesn't work.
-harry
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