[Openstack-operators] Liberty install - Can't ping router

Christopher Hull chrishull42 at gmail.com
Sun Mar 6 21:49:42 UTC 2016


Hello all;

This seems like a common problem.  Seeing it in a few places.  However am
not finding that the question has been answered.

I followed the Liberty install instructions for Networking option 2.  I
found one possible ambiguity in setting up the .ini files.


=== Create the Public Network

Should physical_interface_mappings = public:eth1  or public:enp3s0"
(enp3s0 is the physical eth0 on my box.  My single install box only has
one NIC.  Should I be running with two?

vi /etc/neutron/plugins/ml2/linuxbridge_agent.ini
[linux_bridge]
# ADDED FOR LIBERTY INSTALL
# EXAMPLE SAYS
physical_interface_mappings = public:eth1
# BUT ON MY SYSTEM IFCONFIG SAYS enp3s0 ???? NOT SURE,
# physical_interface_mappings = public:enp3s0



[root at maersk src]# source admin-openrc.sh
[root at maersk src]# ip netns
qrouter-669b05bb-e58b-4a5f-9139-bd5ad08d7139 (id: 4)
qdhcp-5ee448e5-3d0b-48cd-85c5-a09bf7cac3ed (id: 3)
qdhcp-023c94f6-d792-479e-b718-035098695a0d (id: 2)
qdhcp-6e444422-639b-4632-9c39-f3f2ec0518a7 (id: 1)
qdhcp-2b853a39-c726-4abd-a8d5-e1f7e284d7c6 (id: 0)
[root at maersk src]# neutron router-port-list router
+--------------------------------------+------+-------------------+-------------------------------------------------------------------------------------+
| id                                   | name | mac_address       |
fixed_ips
|
+--------------------------------------+------+-------------------+-------------------------------------------------------------------------------------+
| 333774cf-8faf-41c4-98fd-3cf794730258 |      | fa:16:3e:84:cf:09 |
{"subnet_id": "c80df59d-42e2-4c56-8681-ee49a1a77c2c", "ip_address":
"192.168.10.1"} |
| 80172f12-55ff-4eab-bc5f-ad527c296e2e |      | fa:16:3e:79:16:cf |
{"subnet_id": "3340fc39-bb62-43fc-8438-392b7ec23094", "ip_address":
"172.22.10.11"} |
+--------------------------------------+------+-------------------+-------------------------------------------------------------------------------------+
[root at maersk src]# ping 172.22.10.11
PING 172.22.10.11 (172.22.10.11) 56(84) bytes of data.
>From 172.22.10.99 icmp_seq=1 Destination Host Unreachable
>From 172.22.10.99 icmp_seq=2 Destination Host Unreachable
>From 172.22.10.99 icmp_seq=3 Destination Host Unreachable
>From 172.22.10.99 icmp_seq=4 Destination Host Unreachable

I've uninstalled and reinstalled networking a couple of times, changing the
.ini each time.   Looks like I have 2 too many qdhcp.

Any ideas?

Thanks
Chris









- Christopher T. Hull
333 Orchard Ave, Sunnyvale CA. 94085
(415) 385 4865
chrishull42 at gmail.com
http://chrishull.com
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