[Rdo-list] [Neutron] router can't ping external gateway

ICHIBA Sara ichi.sara at gmail.com
Tue May 19 08:55:25 UTC 2015


You are right. I don't have any idea how I can fix this. I will post to
ask.openstack.org and hope someone will help. Apparently people are busy
with the openstack summit so ...

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??
>
>
>
>
>
> _______________________________________________ Rdo-list mailing list
> Rdo-list at redhat.com https://www.redhat.com/mailman/listinfo/rdo-list To
> unsubscribe: rdo-list-unsubscribe at redhat.com
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rdoproject.org/pipermail/dev/attachments/20150519/ed662d66/attachment.html>


More information about the dev mailing list