OpenStack or Bust, Part 10: ping/ssh to vm-01

root@kcon-cs-gen-01i:~# ping 50.50.1.2
PING 50.50.1.2 (50.50.1.2) 56(84) bytes of data.
64 bytes from 50.50.1.2: icmp_req=13 ttl=63 time=20.8 ms
64 bytes from 50.50.1.2: icmp_req=14 ttl=63 time=0.742 ms
64 bytes from 50.50.1.2: icmp_req=15 ttl=63 time=0.653 ms
64 bytes from 50.50.1.2: icmp_req=16 ttl=63 time=0.711 ms
64 bytes from 50.50.1.2: icmp_req=17 ttl=63 time=0.647 ms
64 bytes from 50.50.1.2: icmp_req=18 ttl=63 time=0.475 ms
64 bytes from 50.50.1.2: icmp_req=19 ttl=63 time=0.570 ms
64 bytes from 50.50.1.2: icmp_req=20 ttl=63 time=0.707 ms
64 bytes from 50.50.1.2: icmp_req=21 ttl=63 time=0.525 ms
64 bytes from 50.50.1.2: icmp_req=22 ttl=63 time=0.565 ms
64 bytes from 50.50.1.2: icmp_req=23 ttl=63 time=0.448 ms
64 bytes from 50.50.1.2: icmp_req=24 ttl=63 time=0.557 ms
64 bytes from 50.50.1.2: icmp_req=25 ttl=63 time=0.585 ms
64 bytes from 50.50.1.2: icmp_req=26 ttl=63 time=0.590 ms
64 bytes from 50.50.1.2: icmp_req=27 ttl=63 time=0.556 ms
^C
--- 50.50.1.2 ping statistics ---
27 packets transmitted, 15 received, 44% packet loss, time 26097ms
rtt min/avg/max/mdev = 0.448/1.948/20.894/5.064 ms

### Check out that 20-second lagtime before I got a ICMP reply.  Note, this was after about 2 hours after the last time I had pingged it.  Worrisome!


## Next try one minute later, latency normal

root@kcon-cs-gen-01i:~# ping 50.50.1.2
PING 50.50.1.2 (50.50.1.2) 56(84) bytes of data.
64 bytes from 50.50.1.2: icmp_req=1 ttl=63 time=0.638 ms
64 bytes from 50.50.1.2: icmp_req=2 ttl=63 time=0.599 ms
^C
--- 50.50.1.2 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev = 0.599/0.618/0.638/0.031 ms


### SSH to VM instance from controller node

root@kcon-cs-gen-01i:~# ssh 50.50.1.2 -l cirros
cirros@50.50.1.2's password:

$ ip -o addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
1: lo    inet 127.0.0.1/8 scope host lo
1: lo    inet6 ::1/128 scope host \       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\    link/ether fa:16:3e:93:58:92 brd ff:ff:ff:ff:ff:ff
2: eth0    inet 50.50.1.2/24 brd 50.50.1.255 scope global eth0
2: eth0    inet6 fe80::f816:3eff:fe93:5892/64 scope link tentative flags 08 \       valid_lft forever preferred_lft forever

$ ip -o route show
default via 50.50.1.1 dev eth0
50.50.1.0/24 dev eth0  src 50.50.1.2