On "client" and "server": Setting up linux-headers-4.6.0-040600 (4.6.0-040600.201605151930) ... Setting up linux-headers-4.6.0-040600-generic (4.6.0-040600.201605151930) ... Setting up linux-image-4.6.0-040600-generic (4.6.0-040600.201605151930) ...
root@Server:/# uname -a Linux Server 4.6.0-040600-generic #201605151930 SMP Sun May 15 23:32:59 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux root@Client:/# uname -a Linux Client 4.6.0-040600-generic #201605151930 SMP Sun May 15 23:32:59 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux root@Client:/# ethtool --show-offload eth0 Features for eth0: rx-checksumming: on tx-checksumming: on tx-checksum-ipv4: off [fixed] tx-checksum-ip-generic: on tx-checksum-ipv6: off [fixed] tx-checksum-fcoe-crc: off [fixed] tx-checksum-sctp: off [fixed] root@Client:/# ethtool --offload eth0 rx off tx off Actual changes: rx-checksumming: off tx-checksumming: off root@Server:/# ethtool --offload eth0 rx off tx off Actual changes: rx-checksumming: off tx-checksumming: off oot@Client:/# dig @2001:660:660c:120::2000 testubuntu NS ; <<>> DiG 9.10.3-P4-Ubuntu <<>> @2001:660:660c:120::2000 testubuntu NS ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2664 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;testubuntu. IN NS ;; ANSWER SECTION: testubuntu. 172800 IN NS server.testubuntu. -------------------------------------- Bug still present upstream !! Confirmed tag: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584042 Title: Hyper-V NIC cannot pass IPv6 UDP packets by default until protocol offload is disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584042/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs