openstack team mailing list archive

[Pranav <pps.pranav@xxxxxxxxx>]

It is common to loose your network in 3 NIC setup that is why the third NIC
card, its ok if you cant ping your public IP directly. But this work around
wont hurt either. This work around has been implemented in two nic VLAN
method in the same git repo.
Regards,
Pranav


On Fri, Mar 15, 2013 at 10:08 PM, JR <botemout@xxxxxxxxx> wrote:

> 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@xxxxxxxxx
> > <mailto:botemout@xxxxxxxxx>> 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@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@nebula03:~# ovs-vsctl del-port p1p1.4
> >     root@nebula03:~# ovs-vsctl del-br br-ex
> >     root@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@nebula03:~#
> >
> >
> >     Thanks for any help,
> >     JR
> >
> >     ------------
> >     *MORE*
> >     ------------
> >     root@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@nebula03:~# ifconfig p1.4
> >     p1.4: error fetching interface information: Device not found
> >     root@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@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@nebula03:~# ping 192.168.251.91`
> >     > ^C
> >     root@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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