Hello,
We are attempting to hot upgrade OVS and after the upgrade we are running into
an issue where patch ports do not pass traffic.
We have the following configured:
Bridge br-int
fail_mode: secure
Port "int-br1709"
Interface "int-br1709"
type: patch
options: {peer="phy-br1709"}
Port "qvo3f046f2c-61"
tag: 1
Interface "qvo3f046f2c-61"
Port "qvode748ec9-02"
tag: 1
Interface "qvode748ec9-02"
Port br-int
Interface br-int
type: internal
Port "qvo929040a5-18"
tag: 1
Interface "qvo929040a5-18"
Port "qvoc9670ef5-c6"
tag: 1
Interface "qvoc9670ef5-c6"
Port "qvoea0bd3f2-7e"
tag: 1
Interface "qvoea0bd3f2-7e"
type: internal
Port "qvo33d9f79c-fd"
tag: 1
Interface "qvo33d9f79c-fd"
Bridge br-ext
Port "ext-vlan-1709"
tag: 1709
Interface "ext-vlan-1709"
type: patch
options: {peer="br1709-ext"}
Port "bond0"
Interface "eth2"
Interface "eth3"
Port br-ext
Interface br-ext
type: internal
Bridge "br1709"
Port "br1709"
Interface "br1709"
type: internal
Port "phy-br1709"
Interface "phy-br1709"
type: patch
options: {peer="int-br1709"}
Port "br1709-ext"
Interface "br1709-ext"
type: patch
options: {peer="ext-vlan-1709"}
Before the upgrade I can tcpdump br1709 and see all traffic that is on vlan
1709 (ie if I do a tcpdump –n –I eth2 vlan 1709 I see the same traffic). After
the upgrade I can still the same traffic eth2, however br1709 only sees traffic
that’s initiated from within the server. IE traffic from vms on the
integration bridge make it out, but the response traffic that I see on both
br-ext and eth2 never show up on br1706 and thus never make it to the vm's.
I performed the upgrade via:
wget
http://cbs.centos.org/kojifiles/packages/openvswitch/2.5.0/2.el7/x86_64/openvswitch-2.5.0-2.el7.x86_64.rpm
rpm -Uvh openvswitch-2.5.0-2.el7.x86_64.rpm —noscripts
/usr/share/openvswitch/scripts/ovs-ctl restart
So as I read in the HOT upgrade readme this should preserve all the existing
flows and configs and basically just swap out the user space pieces.
Everything works with the exact same config/flows after I restart the machine.
I have tried deleting and reading the patch port from br1709 and br-ext (
ext-vlan-1709 and br1709-ext), it does not help.
___________________________________________________________________
Kris Lindgren
Senior Linux Systems Engineer
GoDaddy
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