Hmm OK, I'll try to figure out what hacking create_neutron_initial_network does...BTW, I noticed that I can ping6 the router interface at private subnet from the DevStack host:$ ping6 fd12:67:1:1::1
PING fd12:67:1:1::1(fd12:67:1:1::1) 56 data bytes
64 bytes from fd12:67:1:1::1: icmp_seq=1 ttl=64 time=0.646 ms
64 bytes from fd12:67:1:1::1: icmp_seq=2 ttl=64 time=0.095 ms
64 bytes from fd12:67:1:1::1: icmp_seq=3 ttl=64 time=0.106 ms
64 bytes from fd12:67:1:1::1: icmp_seq=4 ttl=64 time=0.129 msAnd also I can ping6 the public subnet interface from the VM:root@ubuntu:~# ping6 fd12:67:1::3c
PING fd12:67:1::3c (fd12:67:1::3c): 56 data bytes
ping: getnameinfo: Temporary failure in name resolution
64 bytes from unknown: icmp_seq=0 ttl=64 time=2.079 ms
ping: getnameinfo: Temporary failure in name resolution
64 bytes from unknown: icmp_seq=1 ttl=64 time=1.385 ms
ping: getnameinfo: Temporary failure in name resolution
64 bytes from unknown: icmp_seq=2 ttl=64 time=0.881 msNot sure if it means that there's something missing within the router itself...On Fri, Sep 13, 2019 at 2:24 PM Donny Davis <donny@fortnebula.com> wrote:Also I have no v6 address on my br-exOn Fri, Sep 13, 2019 at 1:22 PM Donny Davis <donny@fortnebula.com> wrote:Well here is the output from my rule list that is in prod right now with ipv6+--------------------------------------+-------------+-----------+------------+-----------------------+
| ID | IP Protocol | IP Range | Port Range | Remote Security Group |
+--------------------------------------+-------------+-----------+------------+-----------------------+
| 9ab00b6f-2bc2-4554-818d-eff6e0570943 | None | 0.0.0.0/0 | | None |
| b6df5801-8c2c-4ba4-afe1-2cbaa2922dfa | icmp | ::/0 | | None |
| e7fd4840-5fbd-4709-b918-f80eac5cb6da | None | ::/0 | | None |
| e9968d53-7efe-4a9e-ad42-1092ffaf52e7 | None | None | | None |
| ec1ea961-9025-4229-92cf-618026a1851b | None | None | | None |
+--------------------------------------+-------------+-----------+------------+-----------------------++-------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| created_at | 2019-07-30T00:50:25Z |
| description | |
| direction | ingress |
| ether_type | IPv6 |
| id | b6df5801-8c2c-4ba4-afe1-2cbaa2922dfa |
| location | Munch({'cloud': '', 'region_name': 'regionOne', 'zone': None, 'project': Munch({'id': 'e8fd161dc34c421a979a9e6421f823e9', 'name': 'openstackzuul', 'domain_id': None, 'domain_name': 'Default'})}) |
| name | None |
| port_range_max | None |
| port_range_min | None |
| project_id | e8fd161dc34c421a979a9e6421f823e9 |
| protocol | icmp |
| remote_group_id | None |
| remote_ip_prefix | ::/0 |
| revision_number | 0 |
| security_group_id | bcedc0e0-e2e8-41fc-aeaa-afd2e10c7ab6 |
| tags | [] |
| updated_at | 2019-07-30T00:50:25Z |
+-------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+On Fri, Sep 13, 2019 at 9:24 AM Lucio Seki <lucioseki@gmail.com> wrote:Hi Donny, following are the rules:$ openstack security group list --project admin
+--------------------------------------+---------+------------------------+----------------------------------+------+
| ID | Name | Description | Project | Tags |
+--------------------------------------+---------+------------------------+----------------------------------+------+
| d0136b0e-ee51-461c-afa0-c5adb88dd0dd | default | Default security group | 68e3942285a24fb5bd1aed30e166aaee | [] |
+--------------------------------------+---------+------------------------+----------------------------------+------+$ openstack security group rule list d0136b0e-ee51-461c-afa0-c5adb88dd0dd
+--------------------------------------+-------------+----------+------------+--------------------------------------+
| ID | IP Protocol | IP Range | Port Range | Remote Security Group |
+--------------------------------------+-------------+----------+------------+--------------------------------------+
| 38394345-3e44-4284-a519-cdd8af020f30 | tcp | ::/0 | 22:22 | None |
| 40881f76-c87f-4685-b3af-c3497dd44837 | None | None | | d0136b0e-ee51-461c-afa0-c5adb88dd0dd |
| 56d4ae52-195e-48df-871e-dc70b899b7ba | None | None | | d0136b0e-ee51-461c-afa0-c5adb88dd0dd |
| 759edd06-b698-45ca-94cd-44e0cc2cc848 | ipv6-icmp | None | | None |
| 762effae-b8e5-42ac-ba99-e85a7bc42455 | tcp | ::/0 | 22:22 | None |
| 81f3588d-4159-4af2-ad50-ff6b76add9cf | ipv6-icmp | None | | None |
+--------------------------------------+-------------+----------+------------+--------------------------------------+$ openstack security group rule show 759edd06-b698-45ca-94cd-44e0cc2cc848
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| created_at | 2019-09-03T16:51:41Z |
| description | |
| direction | egress |
| ether_type | IPv6 |
| id | 759edd06-b698-45ca-94cd-44e0cc2cc848 |
| location | Munch({'project': Munch({'domain_id': 'default', 'id': u'68e3942285a24fb5bd1aed30e166aaee', 'name': 'admin', 'domain_name': None}), 'cloud': '', 'region_name': 'RegionOne', 'zone': None}) |
| name | None |
| port_range_max | None |
| port_range_min | None |
| project_id | 68e3942285a24fb5bd1aed30e166aaee |
| protocol | ipv6-icmp |
| remote_group_id | None |
| remote_ip_prefix | None |
| revision_number | 0 |
| security_group_id | d0136b0e-ee51-461c-afa0-c5adb88dd0dd |
| tags | [] |
| updated_at | 2019-09-03T16:51:41Z |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+$ openstack security group rule show 81f3588d-4159-4af2-ad50-ff6b76add9cf
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| created_at | 2019-09-03T16:51:30Z |
| description | |
| direction | ingress |
| ether_type | IPv6 |
| id | 81f3588d-4159-4af2-ad50-ff6b76add9cf |
| location | Munch({'project': Munch({'domain_id': 'default', 'id': u'68e3942285a24fb5bd1aed30e166aaee', 'name': 'admin', 'domain_name': None}), 'cloud': '', 'region_name': 'RegionOne', 'zone': None}) |
| name | None |
| port_range_max | None |
| port_range_min | None |
| project_id | 68e3942285a24fb5bd1aed30e166aaee |
| protocol | ipv6-icmp |
| remote_group_id | None |
| remote_ip_prefix | None |
| revision_number | 0 |
| security_group_id | d0136b0e-ee51-461c-afa0-c5adb88dd0dd |
| tags | [] |
| updated_at | 2019-09-03T16:51:30Z |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+On Fri, Sep 13, 2019 at 10:16 AM Donny Davis <donny@fortnebula.com> wrote:Security group rules?Donny Davis
c: 805 814 6800On Thu, Sep 12, 2019, 5:53 PM Lucio Seki <lucioseki@gmail.com> wrote:Hi folks, I'm having troubles to ping6 a VM running over DevStack from its hypervisor.Could you please help me troubleshooting it?I deployed DevStack with NEUTRON_CREATE_INITIAL_NETWORKS=False,and manually created the networks, subnets and router. Following is my router:
$ openstack router show router1 -c external_gateway_info -c interfaces_info
+-----------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-----------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| external_gateway_info | {"network_id": "b87048ed-1be9-4f31-8d7e-fe74921aeec4", "enable_snat": true, "external_fixed_ips": [{"subnet_id": "28a00bc3-b30b-456f-b26a-44b50d37183f", "ip_address": "10.2.0.199"}, {"subnet_id": "a9729beb-b297-4fec-8ec3-7703f7f6f4bc", "ip_address": "fd12:67:1::3c"}]} |
| interfaces_info | [{"subnet_id": "081e8508-4ceb-4aaf-bf91-36a1e22a768c", "ip_address": "fd12:67:1:1::1", "port_id": "75391abd-8ac8-41f8-acf8-3dfaf2a6b08f"}] |
+-----------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
I'm trying to ping6 the following VM:
$ openstack server list
+--------------------------------------+---------+--------+------------------------------------------+--------+--------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+---------+--------+------------------------------------------+--------+--------+
| 938854d0-80e9-45b2-bc29-8fe7651ffa93 | manila1 | ACTIVE | private1=fd12:67:1:1:f816:3eff:fe0e:17c3 | manila | manila |
+--------------------------------------+---------+--------+------------------------------------------+--------+--------+
I intend to reach it via br-ex interface of the hypervisor:
$ ip a show dev br-ex
9: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 0e:82:a1:ba:77:4c brd ff:ff:ff:ff:ff:ff
inet6 fd12:67:1::1/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::c82:a1ff:feba:774c/64 scope link
valid_lft forever preferred_lft forever
The hypervisor has the following routes:
$ ip -6 route
fd12:67:1:1::/64 via fd12:67:1::3c dev br-ex metric 1024 pref medium
fe80::/64 dev ens3 proto kernel metric 256 pref medium
fe80::/64 dev br-ex proto kernel metric 256 pref medium
fe80::/64 dev br-int proto kernel metric 256 pref medium
fe80::/64 dev tapa5cf4799-9f proto kernel metric 256 pref medium
And within the VM has the following routes:
root@ubuntu:~# ip -6 route
root@ubuntu:~# ip -6 route
fd12:67:1::/64 via fd12:67:1:1::1 dev ens3 metric 1024 pref medium
fd12:67:1:1::/64 dev ens3 proto kernel metric 256 expires 86360sec pref medium
fe80::/64 dev ens3 proto kernel metric 256 pref medium
default via fe80::f816:3eff:feb3:bd56 dev ens3 proto ra metric 1024 expires 260sec hoplimit 64 pref medium
Though the ping6 from VM to hypervisor doesn't work:root@ubuntu:~# ping6 fd12:67:1::1 -c4
PING fd12:67:1::1 (fd12:67:1::1): 56 data bytes
--- fd12:67:1::1 ping statistics ---
4 packets transmitted, 0 packets received, 100% packet lossI'm able to tcpdump inside the router1 netns and see that request packet is passing there, but can't see any reply packets:
$ sudo ip netns exec qrouter-5172472c-bbe7-4907-832a-e2239c8badb4 tcpdump -l -i any icmp6
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on any, link-type LINUX_SLL (Linux cooked), capture size 262144 bytes
21:29:29.351358 IP6 fd12:67:1:1:f816:3eff:fe0e:17c3 > fd12:67:1::1: ICMP6, echo request, seq 0, length 64
21:29:30.033316 IP6 fe80::f816:3eff:feb3:bd56 > fe80::f816:3eff:fe0e:17c3: ICMP6, neighbor solicitation, who has fe80::f816:3eff:fe0e:17c3, length 32
21:29:30.035807 IP6 fe80::f816:3eff:fe0e:17c3 > fe80::f816:3eff:feb3:bd56: ICMP6, neighbor advertisement, tgt is fe80::f816:3eff:fe0e:17c3, length 24
21:29:30.353646 IP6 fd12:67:1:1:f816:3eff:fe0e:17c3 > fd12:67:1::1: ICMP6, echo request, seq 1, length 64
21:29:31.355410 IP6 fd12:67:1:1:f816:3eff:fe0e:17c3 > fd12:67:1::1: ICMP6, echo request, seq 2, length 64
21:29:32.357239 IP6 fd12:67:1:1:f816:3eff:fe0e:17c3 > fd12:67:1::1: ICMP6, echo request, seq 3, length 64The same happens from hypervisor to VM. I only acan see the request packets, but no reply packets.Thanks in advance,Lucio Seki