[Openstack] using vlan tagged ports in cluster

JR botemout at gmail.com
Fri Mar 15 16:38:09 UTC 2013


Rain, I owe you a beer!  That did the trick.  Thanks.

JR

On 3/15/2013 11:32 AM, Rain Li wrote:
> Hi, JR, 
> 
> You should check your route. Before "ovs-vsctl add-port br-ex p1p1.4",
> you should have the route entry like:
> 192.168.251.0   0.0.0.0  255.255.255.0 U 0 0 0 p1p1.4
> But after that, since p1p1.4 is plugged in br-ex, you should change the
> above route to go through br-ex, and may also change other (default
> route) to this interface as well, if they originally go through p1p1.4.
> 
> Regards,
> Rain
> 
> 
> On Thu, Mar 14, 2013 at 5:22 AM, JR <botemout at gmail.com
> <mailto:botemout at gmail.com>> wrote:
> 
>     Greetings,
> 
>     I'm setting up openstack on some machines using
>     https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst.
> 
>     I'm using 3 nodes: a controller, network node and compute node.  All the
>     network interfaces are VLAN tagged use the same underlying physical 10G,
>     e.g.,
> 
>     controller: p1p1.4 (public net: 192.168.251.*/24), p1p1.5 (management
>     net: 10.10.10.*/24)
>     network:    p1p1.4 (public net: 192.168.251.*/24), p1p1.5 (management
>     net: 10.10.10.*/24), p1p1.6 (vm net: 10.20.20.*/24)
> 
>     # I haven't gotten to the compute node yet but it should be
>     compute:   p1p1.5 (management net: 10.10.10.*/24), p1p1.6 (vm net:
>     10.20.20.*/24)
> 
>     When I bring up my openvswitch bridges on the network node, I can not
>     longer get out to the public net (see *MORE* below).
> 
>     I'm running ubuntu 12.10 and have run apt-get dist-upgrade.  The 10G
>     nics are intel 82599EB.  ubuntu seems a bit flakey; initially I'd
>     created /etc/udev/rules/70-persistent-net.rules to map p1p1 to eth2,
>     however, the config was ignored and eth2 wound up being a 1G NIC.
> 
>     Is it not allowed to use VLAN interfaces for my networks?
> 
>     If I remove, say, the br-ex bridge I can get out again:
>     root at nebula03:~# ping 192.168.251.1
>     PING 192.168.251.1 (192.168.251.1) 56(84) bytes of data.
>     ^C
>     --- 192.168.251.1 ping statistics ---
>     1 packets transmitted, 0 received, 100% packet loss, time 0ms
> 
>     root at nebula03:~# ovs-vsctl del-port p1p1.4
>     root at nebula03:~# ovs-vsctl del-br br-ex
>     root at nebula03:~# ping 192.168.251.1
>     PING 192.168.251.1 (192.168.251.1) 56(84) bytes of data.
>     64 bytes from 192.168.251.1 <http://192.168.251.1>: icmp_req=1
>     ttl=64 time=0.650 ms
>     ^C
>     --- 192.168.251.1 ping statistics ---
>     1 packets transmitted, 1 received, 0% packet loss, time 0ms
>     rtt min/avg/max/mdev = 0.650/0.650/0.650/0.000 ms
>     root at nebula03:~#
> 
> 
>     Thanks for any help,
>     JR
> 
>     ------------
>     *MORE*
>     ------------
>     root at nebula03:~# ovs-vsctl show
>     1bdf2f73-1a5d-4893-b745-7501557acaea
>         Bridge br-int
>             Port br-int
>                 Interface br-int
>                     type: internal
>         Bridge br-ex
>             Port br-ex
>                 Interface br-ex
>                     type: internal
>             Port "p1p1.4"
>                 Interface "p1p1.4"
>         Bridge br-vm
>             Port br-vm
>                 Interface br-vm
>                     type: internal
>             Port "p1p1.6"
>                 Interface "p1p1.6"
>         ovs_version: "1.4.3"
>     root at nebula03:~# ifconfig p1.4
>     p1.4: error fetching interface information: Device not found
>     root at nebula03:~# ifconfig p1p1.4
>     p1p1.4    Link encap:Ethernet  HWaddr 90:e2:ba:2c:8a:08
>               inet addr:192.168.251.92  Bcast:192.168.251.255
>     Mask:255.255.255.0
>               inet6 addr: fe80::92e2:baff:fe2c:8a08/64 Scope:Link
>               UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>               RX packets:20964 errors:0 dropped:0 overruns:0 frame:0
>               TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
>               collisions:0 txqueuelen:0
>               RX bytes:22269341 (22.2 MB)  TX bytes:594 (594.0 B)
> 
>     root at nebula03:~# ping 192.168.251.1
>     PING 192.168.251.1 (192.168.251.1) 56(84) bytes of data.
>     ^C
>     --- 192.168.251.1 ping statistics ---
>     2 packets transmitted, 0 received, 100% packet loss, time 1007ms
> 
>     root at nebula03:~# ping 192.168.251.91`
>     > ^C
>     root at nebula03:~# ping 192.168.251.91
>     PING 192.168.251.91 (192.168.251.91) 56(84) bytes of data.
>     ^C
> 
> 
> 
> 
> 
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