<div dir="ltr">Hi Team,<div>I have been struggling to get the solution. I'm testing openstack and deploying it over virtualbox. I have shared my issue in SO with help from <a href="https://stackoverflow.com/users/3548109/berndbausch" style="font-size:13px;margin:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;vertical-align:baseline;box-sizing:inherit;text-decoration-line:none">berndbausch</a> and try to share it here also to get more help....as I have create and redeploy few times with different openstack release.. deployment methods..parameters....still the same problem.</div><div>I don't think my deployment is different with others as i follow the guideline and common practise... just stuck on this problem...please do help and assist me further.</div><div>Thank you to all....</div><div><br></div><div>Below is my environment setup.</div><div><br></div><div>Windos10_Virtualbox----Centos7------Openstack----VM instance</div><div>[<a href="http://192.168.0.0/24">192.168.0.0/24</a>] - external network/public-ip</div><div>Pc host - 192.168.0.160</div><div>Home Lan GW - 192.168.0.1</div><div>Centos7 - 192.168.0.12 (VM virtualbox)</div><div>Openstack Router GW - 192.168.0.221</div><div>Virtualbox VM setting bridge (enp0s3) and promiscuous mode all </div><div>selinux permissive </div><div><br></div><div>add rules icmp and ssh.</div><div>create public-ip <a href="http://192.168.0.0/24">192.168.0.0/24</a> (pool 220-230)</div><div>create router</div><div>create private subnet <a href="http://10.0.0.0/24">10.0.0.0/24</a></div><div>attach router to private subnet</div><div>create router GW(public-ip)</div><div><br></div><div>From LAN I can ping and ssh vm instance but from vm instance i cannot ping to home Lan GW, pc host. VM instance can ping up to centos7 virtualbox and openstack Router GW. Instance created with centos and cirros using direct public-ip and also floating ip. Some instance created with direct public ip and some with private subnet and using floating ip.</div><div><br></div><div>I have tested with queens, stein, train. With allinone and also using answerfile and all end up I cannot ping external. I follows guideline below:-</div><div><i>hxxps://<a href="http://www.linuxtechi.com/single-node-openstack-liberty-installation-centos-7/">www.linuxtechi.com/single-node-openstack-liberty-installation-centos-7/</a><br></i></div><div><i>hxxps://<a href="http://www.rdoproject.org/install/packstack/">www.rdoproject.org/install/packstack/</a></i><br></div><div><i><br></i></div><div>This some of answer file parameters that i edited</div><div><br></div><div><pre style="margin-top:0px;margin-bottom:1.6em;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit;border-radius:0px">CONFIG_NEUTRON_L3_EXT_BRIDGE=br-ex
CONFIG_NEUTRON_ML2_TYPE_DRIVERS=flat,vxlan
CONFIG_NEUTRON_OVS_BRIDGE_MAPPINGS=extnet:br-ex
CONFIG_NEUTRON_OVS_BRIDGE_IFACES=br-ex:enp0s3
CONFIG_NEUTRON_OVS_BRIDGES_COMPUTE=br-ex
CONFIG_PROVISION_DEMO=n</code></pre></div><div><i><br></i></div><div><pre style="margin-top:0px;margin-bottom:1.6em;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit;border-radius:0px">ip netns list
qrouter-f6967bba-986e-4bb3-838e-d035a684e2c4 (id: 2)
qdhcp-dbd713cd-1af4-4e2c-9c57-d8a675a10608 (id: 1)
qdhcp-fa6fb1d6-b65e-4eb2-a4a4-5552fde8bb08 (id: 0)
[root@myospackanswer ~(keystone_admin)]# ip netns exec qrouter-f6967bba-986e-4bb3-838e-d035a684e2c4 arp -an
? (192.168.0.211) at <incomplete> on qg-0ba7da31-7f
? (192.168.0.227) at fa:16:3e:ed:19:81 [ether] on qg-0ba7da31-7f (Instance IP)
? (192.168.0.160) at d4:d2:52:73:de:80 [ether] on qg-0ba7da31-7f (host pc IP)
? (192.168.0.1) at 80:26:89:b2:98:50 [ether] on qg-0ba7da31-7f (home router GW)
? (10.0.0.4) at fa:16:3e:01:63:42 [ether] on qr-7e6f9436-40 (private subnet)
ip r
default via 192.168.0.1 dev br-ex
<a href="http://169.254.0.0/16">169.254.0.0/16</a> dev enp0s3 scope link metric 1002
<a href="http://169.254.0.0/16">169.254.0.0/16</a> dev br-ex scope link metric 1006
<a href="http://192.168.0.0/24">192.168.0.0/24</a> dev br-ex proto kernel scope link src 192.168.0.121</code></pre></div><div><i><br></i></div><div><pre style="margin-top:0px;margin-bottom:1.6em;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit;border-radius:0px">qrouter-f6967bba-986e-4bb3-838e-d035a684e2c4 (id: 2)
qdhcp-dbd713cd-1af4-4e2c-9c57-d8a675a10608 (id: 1)
qdhcp-fa6fb1d6-b65e-4eb2-a4a4-5552fde8bb08 (id: 0)
sudo ip netns exec qrouter-f6967bba-986e-4bb3-838e-d035a684e2c4 ip route
default via 192.168.0.1 dev qg-0ba7da31-7f
<a href="http://10.0.0.0/24">10.0.0.0/24</a> dev qr-7e6f9436-40 proto kernel scope link src 10.0.0.1
<a href="http://192.168.0.0/24">192.168.0.0/24</a> dev qg-0ba7da31-7f proto kernel scope link src 192.168.0.221</code></pre></div><div><br></div><div>ip addr</div><div><pre style="margin-top:0px;margin-bottom:1.6em;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit;border-radius:0px">1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet <a href="http://127.0.0.1/8">127.0.0.1/8</a> scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master ovs-system state UP group default qlen 1000
link/ether 08:00:27:98:9b:a3 brd ff:ff:ff:ff:ff:ff
inet6 fe80::a00:27ff:fe98:9ba3/64 scope link
valid_lft forever preferred_lft forever
5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 8a:17:8b:e5:dc:c2 brd ff:ff:ff:ff:ff:ff
6: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 08:00:27:98:9b:a3 brd ff:ff:ff:ff:ff:ff
inet <a href="http://192.168.0.121/24">192.168.0.121/24</a> brd 192.168.0.255 scope global br-ex
valid_lft forever preferred_lft forever
inet6 2001:e68:5435:d135:a00:27ff:fe98:9ba3/64 scope global mngtmpaddr dynamic
valid_lft 86399sec preferred_lft 86399sec
inet6 fe80::a00:27ff:fe98:9ba3/64 scope link
valid_lft forever preferred_lft forever
7: br-int: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN group default qlen 1000
link/ether 32:ff:0f:26:18:43 brd ff:ff:ff:ff:ff:ff
8: br-tun: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether d6:52:08:a9:68:4f brd ff:ff:ff:ff:ff:ff
29: qbr1f637f14-9c: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000
link/ether 42:95:e8:c0:a3:07 brd ff:ff:ff:ff:ff:ff
30: qvo1f637f14-9c@qvb1f637f14-9c: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1450 qdisc noqueue master ovs-system state UP group default qlen 1000
link/ether 6e:2e:07:8d:79:86 brd ff:ff:ff:ff:ff:ff
inet6 fe80::6c2e:7ff:fe8d:7986/64 scope link
valid_lft forever preferred_lft forever
31: qvb1f637f14-9c@qvo1f637f14-9c: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1450 qdisc noqueue master qbr1f637f14-9c state UP group default qlen 1000
link/ether 42:95:e8:c0:a3:07 brd ff:ff:ff:ff:ff:ff
inet6 fe80::4095:e8ff:fec0:a307/64 scope link
valid_lft forever preferred_lft forever
32: tap1f637f14-9c: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc pfifo_fast master qbr1f637f14-9c state UNKNOWN group default qlen 1000
link/ether fe:16:3e:05:2d:50 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc16:3eff:fe05:2d50/64 scope link
valid_lft forever preferred_lft forever</code></pre></div></div>