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Instance private ip not pingable

asked 2015-04-16 09:24:46 -0500

rvarghese gravatar image

Hi,

I have successfully installed the Juno release on Ubuntu. Everything works fine except the instances are neither pining or cant reach through SSH(I am using the name space to ping it). But instance can ping each other and even ping the gateway IP set on the br-ex on neutorn node. I checked the security rules, tried changing the MTU sizes but none of them helped. I can see the packets reaching the compute node but not coming back.

Any thoughts?

Thanks Ravargs

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Can you please post the following -

Network and Compute Node - 

/etc/neutron/neutron.conf

ifconfig

ovs-vsctl show
nfv-zombie gravatar imagenfv-zombie ( 2015-04-16 16:23:53 -0500 )edit

Please post the ip route too. 

ip netns exec <namespace> ip route
pradeepcsekar gravatar imagepradeepcsekar ( 2015-04-17 18:23:21 -0500 )edit

Here is the routes

root@network:~# ip netns list qdhcp-e26fda3a-1072-482a-afd6-275d59cabdc8 qrouter-099a7bd9-a73d-4561-b7a5-14c2b557dc15

root@network:~# ip netns exec qrouter-099a7bd9-a73d-4561-b7a5-14c2b557dc15 ip ro
default via 100.100.100.1 dev qg-a9288394-e8 
100.100.100.0/24 dev qg-a9288394-e8
rvarghese gravatar imagervarghese ( 2015-04-20 01:20:10 -0500 )edit

I can see the icmp echo request coming till the qbr and qvo interfaces but no reply. Also verified the firewall rules. 

root@compute:~# tcpdump -i qbref72706a-fc
tcpdump: WARNING: qbref72706a-fc: no IPv4 address assigned
06:55:35.351904 ARP, Request who-has 192.168.1.10 tell 192.168.1.1, length 28
rvarghese gravatar imagervarghese ( 2015-04-20 08:47:42 -0500 )edit

root@compute:~# tcpdump -i qvoef72706a-fc tcpdump: WARNING: qvoef72706a-fc: no IPv4 address assigned listening on qvoef72706a-fc, link-type EN10MB (Ethernet), capture size 65535 bytes 06:55:43.441318 IP 192.168.1.1 > 192.168.1.10: ICMP echo request, id 4006, seq 60, length 64

rvarghese gravatar imagervarghese ( 2015-04-20 08:50:02 -0500 )edit
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answered 2015-04-17 09:59:43 -0500

rvarghese gravatar image

updated 2015-04-17 10:04:17 -0500

Please see the configurations

root@compute:~# cat /etc/neutron/neutron.conf
[DEFAULT]
lock_path = $state_path/lock
core_plugin = ml2
service_plugins = router
allow_overlapping_ips = True
rpc_backend = rabbit
rabbit_host = controller
rabbit_password = xxx
auth_strategy = keystone
verbose = True
[matchmaker_redis]
[matchmaker_ring]
[quotas]
[agent]
root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf
[keystone_authtoken]
auth_uri = http://controller:5000/v2.0
identity_uri = http://controller:35357
admin_tenant_name = service
admin_user = neutron
admin_password = xxx
[database]
#connection = sqlite:////var/lib/neutron/neutron.sqlite
[service_providers]
service_provider=LOADBALANCER:Haproxy:neutron.services.loadbalancer.drivers.haproxy.plugin_driver.HaproxyOnHostPluginDriver:default
service_provider=VPN:openswan:neutron.services.vpn.service_drivers.ipsec.IPsecVPNDriver:default
root@compute:~#
root@compute:~# ifconfig
br-int    Link encap:Ethernet  HWaddr ae:38:87:0e:a9:42
          inet6 addr: fe80::4804:69ff:fe66:5116/64 Scope:Link
          UP BROADCAST RUNNING  MTU:1500  Metric:1
          RX packets:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:90 (90.0 B)  TX bytes:648 (648.0 B)

br-tun    Link encap:Ethernet  HWaddr e6:ed:33:a9:a3:40
          inet6 addr: fe80::941b:66ff:fe60:c5f4/64 Scope:Link
          UP BROADCAST RUNNING  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:648 (648.0 B)

eth0      Link encap:Ethernet  HWaddr 00:50:56:bb:5f:c9
          inet addr:192.168.33.202  Bcast:192.168.33.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:febb:5fc9/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:176 errors:0 dropped:5 overruns:0 frame:0
          TX packets:249 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:16156 (16.1 KB)  TX bytes:26530 (26.5 KB)

eth1      Link encap:Ethernet  HWaddr 00:50:56:bb:84:60
          inet addr:192.168.35.202  Bcast:192.168.35.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:febb:8460/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:733 errors:0 dropped:5 overruns:0 frame:0
          TX packets:948 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:142005 (142.0 KB)  TX bytes:164420 (164.4 KB)

eth2      Link encap:Ethernet  HWaddr 00:50:56:bb:04:3b
          inet addr:192.168.36.202  Bcast:192.168.36.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:febb:43b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11 errors:0 dropped:0 overruns:0 frame:0
          TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1124 (1.1 KB)  TX bytes:1680 (1.6 KB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP ...
(more)
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Asked: 2015-04-16 09:24:46 -0500

Seen: 150 times

Last updated: Apr 17 '15

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