Am Donnerstag, 24. Oktober 2013, 11:45:39 schrieben Sie: > Did you try any of the ND tuning controls on Linux? Turning on ARP > before bringing up the interface might work on IPv6 (but fail for IPv4): > ifconfig wwan0 arp This solved the problem. (IPv6 positive , IPv4 at the moment untested) >Trying > sysctl -w net.ipv6.conf.wwan0.ndisc_notify = 1 > would also be interesting (although I have no idea what the effect would > be in combination with IFF_NOARP). This was without effect. > Another interesting test would be adding the solicited node multicast > address manually, but I can't figure out how to do that using e.g. > "ip maddr".... You can certainly do it with setsockopt(), but that's a > bit more work than it should be. After the first hint solved the problem, only the report of state while it is working: ip maddr .. 6: wwan0 link 33:33:00:00:00:01 link 01:00:5e:00:00:01 link 33:33:ff:16:b0:d2 link 33:33:ff:a7:ad:1c link 33:33:00:00:00:fb link 01:00:5e:00:00:fb inet 224.0.0.251 inet 224.0.0.1 inet6 ff02::fb inet6 ff02::1:ffa7:ad1c inet6 ff02::1:ff16:b0d2 users 2 inet6 ff02::1 inet6 ff01::1 Regards, Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html