[Rdo-list] [Neutron] router can't ping external gateway
ICHIBA Sara
ichi.sara at gmail.com
Tue May 19 10:12:30 UTC 2015
====updates
I have deleted my networks, rebooted my machines and configured an other
network. Now I can see the qr bridge mapped to the router but still can't
ping the external gateway:
====[root at localhost ~(keystone_admin)]# ip netns exec
qrouter-85fa9459-503d-4996-86f3-6042604fed74 ip r
default via 192.168.5.1 dev qg-e1b584b4-db
10.0.0.0/24 dev qr-7b330e0e-5c proto kernel scope link src 10.0.0.1
192.168.5.0/24 dev qg-e1b584b4-db proto kernel scope link src
192.168.5.70
====[root at localhost ~(keystone_admin)]# ip netns exec
qrouter-85fa9459-503d-4996-86f3-6042604fed74 ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
12: qg-e1b584b4-db: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UNKNOWN
link/ether fa:16:3e:68:83:f8 brd ff:ff:ff:ff:ff:ff
inet 192.168.5.70/24 brd 192.168.5.255 scope global qg-e1b584b4-db
valid_lft forever preferred_lft forever
inet 192.168.5.73/32 brd 192.168.5.73 scope global qg-e1b584b4-db
valid_lft forever preferred_lft forever
inet6 fe80::f816:3eff:fe68:83f8/64 scope link
valid_lft forever preferred_lft forever
13: qr-7b330e0e-5c: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UNKNOWN
link/ether fa:16:3e:92:9c:90 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.1/24 brd 10.0.0.255 scope global qr-7b330e0e-5c
valid_lft forever preferred_lft forever
inet6 fe80::f816:3eff:fe92:9c90/64 scope link
valid_lft forever preferred_lft forever
=====[root at localhost ~(keystone_admin)]# ip netns exec
qrouter-85fa9459-503d-4996-86f3-6042604fed74 ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
>From 192.168.5.70 icmp_seq=10 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=11 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=12 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=13 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=14 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=15 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=16 Destination Host Unreachable
>From 192.168.5.70 icmp_seq=17 Destination Host Unreachable
=====[root at localhost ~(keystone_admin)]# ovs-vsctl show
19de58db-509d-4de8-bd88-9222019b13f1
Bridge br-int
fail_mode: secure
Port "tap2decc1bc-bf"
tag: 2
Interface "tap2decc1bc-bf"
type: internal
Port br-int
Interface br-int
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port "qr-7b330e0e-5c"
tag: 2
Interface "qr-7b330e0e-5c"
type: internal
Port "qvo164afbd4-0c"
tag: 2
Interface "qvo164afbd4-0c"
Bridge br-ex
Port "eth0"
Interface "eth0"
Port br-ex
Interface br-ex
type: internal
Port "qg-e1b584b4-db"
Interface "qg-e1b584b4-db"
type: internal
Bridge br-tun
Port br-tun
Interface br-tun
type: internal
Port "vxlan-c0a80520"
Interface "vxlan-c0a80520"
type: vxlan
options: {df_default="true", in_key=flow,
local_ip="192.168.5.33", out_key=flow, remote_ip="192.168.5.32"}
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
ovs_version: "2.3.1"
2015-05-19 11:58 GMT+02:00 ICHIBA Sara <ichi.sara at gmail.com>:
> can you show me your plugin.ini file? /etc/neutron/plugin.ini and the
> other file /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini
>
>
> 2015-05-19 10:47 GMT+02:00 Boris Derzhavets <bderzhavets at hotmail.com>:
>
>> There is one thing , which I clearly see . It is qrouter-namespace
>> misconfiguration. There is no qr-xxxxx bridge attached to br-int
>> Picture , in general, should look like this
>>
>> ubuntu at ubuntu-System:~$ sudo ip netns exec
>> qrouter-6cb93ddd-2637-449d-8b10-7c07da49ee8c route -n
>>
>> Kernel IP routing table
>> Destination Gateway Genmask Flags Metric Ref Use
>> Iface
>> 0.0.0.0 192.168.12.15 0.0.0.0 UG 0 0 0
>> qg-a753a8f5-c8
>> 10.254.1.0 0.0.0.0 255.255.255.0 U 0 0 0
>> qr-393d9f71-53
>> 192.168.12.0 0.0.0.0 255.255.255.0 U 0 0 0
>> qg-a753a8f5-c8
>>
>> ubuntu at ubuntu-System:~$ sudo ip netns exec
>> qrouter-6cb93ddd-2637-449d-8b10-7c07da49ee8c ifconfig
>> lo Link encap:Local Loopback
>> inet addr:127.0.0.1 Mask:255.0.0.0
>> inet6 addr: ::1/128 Scope:Host
>> UP LOOPBACK RUNNING MTU:65536 Metric:1
>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>> collisions:0 txqueuelen:0
>> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
>>
>> qg-a753a8f5-c8 Link encap:Ethernet HWaddr fa:16:3e:a2:11:b4
>> inet addr:192.168.12.150 Bcast:192.168.12.255
>> Mask:255.255.255.0
>> inet6 addr: fe80::f816:3eff:fea2:11b4/64 Scope:Link
>> UP BROADCAST RUNNING MTU:1500 Metric:1
>> RX packets:24504 errors:0 dropped:0 overruns:0 frame:0
>> TX packets:17367 errors:0 dropped:0 overruns:0 carrier:0
>> collisions:0 txqueuelen:0
>> RX bytes:24328699 (24.3 MB) TX bytes:1443691 (1.4 MB)
>>
>> qr-393d9f71-53 Link encap:Ethernet HWaddr fa:16:3e:9e:ec:01
>> inet addr:10.254.1.1 Bcast:10.254.1.255 Mask:255.255.255.0
>> inet6 addr: fe80::f816:3eff:fe9e:ec01/64 Scope:Link
>> UP BROADCAST RUNNING MTU:1500 Metric:1
>> RX packets:22487 errors:0 dropped:5 overruns:0 frame:0
>> TX packets:24736 errors:0 dropped:0 overruns:0 carrier:0
>> collisions:0 txqueuelen:0
>> RX bytes:2379287 (2.3 MB) TX bytes:24338711 (24.3 MB)
>>
>> I would also advise you to post a question also on ask.openstack.org
>>
>> Boris.
>>
>>
>> ------------------------------
>> Date: Tue, 19 May 2015 09:48:58 +0200
>> From: ichi.sara at gmail.com
>> To: rdo-list at redhat.com
>> Subject: [Rdo-list] [Neutron] router can't ping external gateway
>>
>>
>> Hey people,
>> I have an issue with my networking. I connected my openstack to an
>> external network I did all the changes required. But still my router can't
>> reach the external gateway.
>>
>> =====ifcfg-br-ex
>> DEVICE=br-ex
>> DEVICETYPE=ovs
>> TYPE=OVSBridge
>> BOOTPROTO=static
>> IPADDR=192.168.5.33
>> NETMASK=255.255.255.0
>> ONBOOT=yes
>> GATEWAY=192.168.5.1
>> DNS1=8.8.8.8
>> DNS2=192.168.5.1
>>
>>
>> ====ifcfg-eth0
>> DEVICE=eth0
>> HWADDR=00:0c:29:a2:b1:b9
>> ONBOOT=yes
>> TYPE=OVSPort
>> NM_CONTROLLED=yes
>> DEVICETYPE=ovs
>> OVS_BRIDGE=br-ex
>>
>> ======[root at localhost ~(keystone_admin)]# ovs-vsctl show
>> 19de58db-509d-4de8-bd88-9222019b13f1
>> Bridge br-int
>> fail_mode: secure
>> Port "tap8652132e-b8"
>> tag: 1
>> Interface "tap8652132e-b8"
>> type: internal
>> Port br-int
>> Interface br-int
>> type: internal
>> Port patch-tun
>> Interface patch-tun
>> type: patch
>> options: {peer=patch-int}
>> Bridge br-ex
>> Port "qg-5f8ebe30-40"
>> Interface "qg-5f8ebe30-40"
>> type: internal
>> Port "eth0"
>> Interface "eth0"
>> Port br-ex
>> Interface br-ex
>> type: internal
>> Bridge br-tun
>> Port "vxlan-c0a80520"
>> Interface "vxlan-c0a80520"
>> type: vxlan
>> options: {df_default="true", in_key=flow,
>> local_ip="192.168.5.33", out_key=flow, remote_ip="192.168.5.32"}
>> Port br-tun
>> Interface br-tun
>> type: internal
>> Port patch-int
>> Interface patch-int
>> type: patch
>> options: {peer=patch-tun}
>> ovs_version: "2.3.1"
>>
>> =====[root at localhost ~(keystone_admin)]# ping 192.168.5.1
>> PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
>> 64 bytes from 192.168.5.1: icmp_seq=1 ttl=64 time=1.76 ms
>> 64 bytes from 192.168.5.1: icmp_seq=2 ttl=64 time=1.88 ms
>> 64 bytes from 192.168.5.1: icmp_seq=3 ttl=64 time=1.45 ms
>> ^C
>> --- 192.168.5.1 ping statistics ---
>> 3 packets transmitted, 3 received, 0% packet loss, time 2002ms
>> rtt min/avg/max/mdev = 1.452/1.699/1.880/0.187 ms
>> [root at localhost ~(keystone_admin)]#
>>
>> ======[root at localhost ~(keystone_admin)]# ip netns exec
>> qrouter-85fa9459-503d-4996-86f3-6042604fed74 ip a
>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
>> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>> inet 127.0.0.1/8 scope host lo
>> valid_lft forever preferred_lft forever
>> inet6 ::1/128 scope host
>> valid_lft forever preferred_lft forever
>> 14: qg-5f8ebe30-40: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
>> noqueue state UNKNOWN
>> link/ether fa:16:3e:c2:1b:5e brd ff:ff:ff:ff:ff:ff
>> inet 192.168.5.70/24 brd 192.168.5.255 scope global qg-5f8ebe30-40
>> valid_lft forever preferred_lft forever
>> inet6 fe80::f816:3eff:fec2:1b5e/64 scope link
>> valid_lft forever preferred_lft forever
>> [root at localhost ~(keystone_admin)]#
>>
>>
>> ======[root at localhost ~(keystone_admin)]# ip r
>> default via 192.168.5.1 dev br-ex
>> default via 192.168.4.1 dev eth1
>> 169.254.0.0/16 dev eth0 scope link metric 1002
>> 169.254.0.0/16 dev eth1 scope link metric 1003
>> 169.254.0.0/16 dev br-ex scope link metric 1005
>> 192.168.4.0/24 dev eth1 proto kernel scope link src 192.168.4.14
>> 192.168.5.0/24 dev br-ex proto kernel scope link src 192.168.5.33
>> [root at localhost ~(keystone_admin)]#
>>
>>
>> ======[root at localhost ~(keystone_admin)]# ip netns exec
>> qrouter-85fa9459-503d-4996-86f3-6042604fed74 ip r
>> default via 192.168.5.1 dev qg-5f8ebe30-40
>> 192.168.5.0/24 dev qg-5f8ebe30-40 proto kernel scope link src
>> 192.168.5.70
>> [root at localhost ~(keystone_admin)]#
>>
>>
>> ======[root at localhost ~(keystone_admin)]# ip netns exec
>> qrouter-85fa9459-503d-4996-86f3-6042604fed74 ping 192.168.5.1
>> PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
>> ^C
>> --- 192.168.5.1 ping statistics ---
>> 5 packets transmitted, 0 received, 100% packet loss, time 3999ms
>>
>> any hints??
>>
>>
>>
>>
>>
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>
>
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