[ovs-discuss] Management interface not accessible after reboot

Emil Flink emil.flink at gmail.com
Tue Dec 9 19:05:34 UTC 2014


As others might have noticed by now my loopback interface was not correctly
configured to come up automatically since in my auto directive I specify
"lo0" but the interface is actually only named "lo". Missing the loopback
interface lead to all kinds of "interesting" problems :)

2014-12-09 18:45 GMT+01:00 Gurucharan Shetty <shettyg at nicira.com>:

> On Mon, Dec 8, 2014 at 1:58 AM, Emil Flink <emil.flink at gmail.com> wrote:
> > Hi,
> >
> > I'm doing some testing with Open vSwitch 2.3.0 on Debian 7 (stable)
> compiled
> > from source and have encountered a fairly weird error. I don't know if
> it is
> > a problem with Debian or Open vSwitch.
> >
> > The mgmt0 interface comes up fully configured after reboot but is not
> > accessible until I have "used" the network from the server, ie. by
> pinging
> > another host.
> When you say it is not accessible, I suppose you mean that you cannot
> ping it from outside? If so, I would put tcpdump on your physical
> interfaces to see whether any request is even coming to your ethernet
> interfaces. I would suggest removing the bond and attach to a single
> physical interface to simplify your network configuration and see
> whether the problem still exists.
>
> >
> > The very first ping will have a high ms of 1000+, indicating something is
> > going on in the background at this point.
> >
> >
> > My /etc/network/interfaces configuration:
> >
> > auto lo0
> > iface lo inet loopback
> >
> > allow-vmbr0 vbond0
> > iface vbond0 inet manual
> >     ovs_bridge vmbr0
> >     ovs_type OVSBond
> >     ovs_bonds eth0 eth1
> >     pre-up ( ifconfig eth0 mtu 9000 && ifconfig eth1 mtu 9000 )
> >     post-up ( ifconfig vbond0 mtu 9000 )
> >     ovs_options bond_mode=active-backup
> >
> > allow-ovs vmbr0
> > iface vmbr0 inet manual
> >     ovs_type OVSBridge
> >     ovs_ports vbond0 mgmt0
> >     mtu 9000
> >
> > allow-vmbr0 mgmt0
> > iface mgmt0 inet static
> >     ovs_bridge vmbr0
> >     ovs_type OVSIntPort
> >     address 10.69.52.6
> >     netmask 255.255.255.0
> >     gateway 10.69.52.1
> >     dns-nameservers 10.69.8.254
> >     mtu 1500
> >
> > _______________________________________________
> > discuss mailing list
> > discuss at openvswitch.org
> > http://openvswitch.org/mailman/listinfo/discuss
> >
>
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