[ovs-discuss] Requesting help diagnosing a bridge that stopped working
sleepylight at jive-turkey.net
Wed Feb 10 22:51:00 UTC 2016
I have a open vswitch bridge that's been working great for about two months
now. It stopped working correctly earlier today, and I haven't been able
to sort out why yet. I have several KVM virtual machines connected through
libvirt to a small number of vlans. Eth1 connects to a smart switch with a
corresponding set of vlans, and the traffic flows from there.
I have a suspicion that there's something wrong with the way my open flows
are set up, but I don't understand the output well enough to diagnose the
issue. Right now none of the virtual machines can ping the outside world,
or other VMs attached to the same vswitch. I'd really appreciate it if
someone could look at my setup.
eth0 is configured for my local network to manage the box
eth1 is up by default with an ip of 0.0.0.0
Here's what I think is the relevant information about my setup:
The bridge looks like this -
[root at infrastructure ~]# ovs-vsctl show
trunks: [3, 5, 6, 10, 14]
And the virtual machines are configured to attach to the bridge like this:
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
Finally, the flows look like this:
[root at infrastructure ~]# ovs-ofctl show bridge0
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000003048578b6f
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST
SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE
current: 10MB-FD COPPER
speed: 10 Mbps now, 0 Mbps max
current: 1GB-FD COPPER AUTO_NEG
advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
speed: 1000 Mbps now, 1000 Mbps max
speed: 0 Mbps now, 0 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
[root at infrastructure ~]#
Thanks for your time!
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