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Comment by theopenstacknoob for Hello, What is the configuration of you external network ? An openstack network show {Name_of-your-external-network} can help us to determine your configuration . Regards, Stef

March 11, 2019, 6:10 am
≫ Next: Answer by chalans for I just finished setting up an OpenStack packstack deployment for testing purposes. I was able to launch an instance and connect to it using ssh on the internal IP address. My router connects my external and internal networks and my security group is wide open. I've setup my bridge interface so that it links to eth0 which is my external network. [root@ip-172-31-15-114 ~(keystone_admin)]# ip netns exec qrouter-7808ea77-12b3-432a-be6d-f85f2b980577 ssh 192.168.10.152 -l centos -i ~/.ssh/my-key [centos@r20 ~]$ internal ping works: [root@ip-172-31-15-114 ~(keystone_admin)]# ip netns exec qrouter-7808ea77-12b3-432a-be6d-f85f2b980577 ping 192.168.10.152 PING 192.168.10.152 (192.168.10.152) 56(84) bytes of data. 64 bytes from 192.168.10.152: icmp_seq=1 ttl=64 time=1.66 ms 64 bytes from 192.168.10.152: icmp_seq=2 ttl=64 time=0.721 ms 64 bytes from 192.168.10.152: icmp_seq=3 ttl=64 time=0.697 ms 64 bytes from 192.168.10.152: icmp_seq=4 ttl=64 time=0.662 ms external ping doesn't: [root@ip-172-31-15-114 ~(keystone_admin)]# ping 172.31.0.10 PING 172.31.0.10 (172.31.0.10) 56(84) bytes of data. From 172.31.15.114 icmp_seq=1 Destination Host Unreachable From 172.31.15.114 icmp_seq=2 Destination Host Unreachable From 172.31.15.114 icmp_seq=3 Destination Host Unreachable From 172.31.15.114 icmp_seq=4 Destination Host Unreachable ^C --- 172.31.0.10 ping statistics --- 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3000ms pipe 4 [root@ip-172-31-15-114 ~(keystone_admin)]# unable to ping Google from within instance: [root@ip-172-31-15-114 ~(keystone_admin)]# ip netns exec qrouter-7808ea77-12b3-432a-be6d-f85f2b980577 ssh 192.168.10.152 -l centos -i ~/.ssh/my-key Last login: Sat Mar 9 21:36:08 2019 from gateway [centos@r20 ~]$ ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. From 172.31.0.10 icmp_seq=1 Destination Host Unreachable From 172.31.0.10 icmp_seq=2 Destination Host Unreachable From 172.31.0.10 icmp_seq=3 Destination Host Unreachable From 172.31.0.10 icmp_seq=4 Destination Host Unreachable ^C --- 8.8.8.8 ping statistics --- 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3002ms pipe 4 [centos@r20 ~]$ ip route default via 192.168.10.1 dev eth0 169.254.0.0/16 dev eth0 scope link metric 1002 169.254.169.254 via 192.168.10.1 dev eth0 proto static 192.168.10.0/24 dev eth0 proto kernel scope link src 192.168.10.152 pinging my gateway from my namespace doesn't work: [root@ip-172-31-15-114 ~(keystone_admin)]# ip route default via 172.31.0.1 dev br-ex 169.254.0.0/16 dev eth0 scope link metric 1002 169.254.0.0/16 dev br-ex scope link metric 1006 172.31.0.0/20 dev br-ex proto kernel scope link src 172.31.15.114 [root@ip-172-31-15-114 ~(keystone_admin)]# ip netns exec qrouter-7808ea77-12b3-432a-be6d-f85f2b980577 ping 172.31.0 ... (more)
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Hi Stef, thank you for your reply. I've added the information requested in the original post. I figured I would add a comment here about it as I'm not sure how notifications work when just editing a post.
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