Hi ovs-discuss,
In my experiment , I use kvm to install a virtual machine with two
NICs,command like this:
kvm -m 512 /home/test/ubuntu1.img -enable-kvm -net
nic,macaddr=00:10:34:52:00:10 -net tap,ifname=tap0,script=no,downscript=no
-net nic,macaddr=00:10:34:52:00:20 -net
tap,ifname=tap1,script=no,downscript=no -localtime
and then , this virtual machine can run normally .
I use command ifconfig to make tap0 and tap1 up , command like this:
ifconfig tap0 0 up
ifconfig tap1 0 up
then I use " ovs-vsctl show ", display :
66d50a59-3ea7-404a-b8f1-b52421b52c59
Bridge "br0"
Port "br0"
Interface "br0"
type: internal
Port "eth1"
Interface "eth1"
use command " ovs-vsctl add-port br0 tap0 ", bridge the port tap0 in br0 .
In my virtual machine , I configure an IP address correctly , and can ping
gateway or other DNS normally .
But when I enter the command " ovs-vsctl add-port br0 tap1 ", then the
virtual machine can not run .
After using " ovs-vsctl del-port br0 tap1 " , the virtual machine can run
normally .
I have use wireshark to collect the packets , I see lots of packets are
transmiting .
Is this problem associating with STP (spanning tree protocol) ?
when I enable stp in Open vSwitch ,use command " ovs-vsctl set bridge br0
stp_enable=true " , the virtual machine also can run normally .
Wish for your reply.
thanks & regards ,
dongcan ye
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