[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??
>
>
>
>
>
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