Hello, All:
I've just installed OVS on my Xen host and I'm wondering if there's a recommended configuration for using bonded [pysical] interfaces with OVS? e.g., My host system has six [physical] interfaces. I've combined those [physical] interfaces to create three bonded interfaces: 'bond0', 'bond1', and 'bond2'.
For the initial OVS implementation, I created three virtual bridges: 'EXT', 'MGT', and 'SAN':
> [root@xen-2 ~]# ovs-vsctl show
> 0dfeba4c-bcae-4773-8bd9-582a9ebbd01a
> Bridge SAN
> Port SAN
> Interface SAN
> type: internal
> Bridge EXT
> Port EXT
> Interface EXT
> type: internal
> Bridge MGT
> Port MGT
> Interface MGT
> type: internal
> ovs_version: "2.3.2"
Then I removed the IP address from the bonded interface 'bond2' (manually *and* via configuration files) and connected it to the virtual bridge 'EXT':
> [root@xen-2 ~]# ovs-vsctl show
> 0dfeba4c-bcae-4773-8bd9-582a9ebbd01a
> Bridge SAN
> Port SAN
> Interface SAN
> type: internal
> Bridge EXT
> Port "bond2"
> Interface "bond2"
> Port EXT
> Interface EXT
> type: internal
> Bridge MGT
> Port MGT
> Interface MGT
> type: internal
> ovs_version: "2.3.2"
This works well enough but, after a reboot, the 'bond2' interface refuses to pass any traffic to the [physical] gateway, XXX.YYY.237.1:
> [root@xen-2 ~]# ping -c3 XXX.YYY.237.1
> PING XXX.YYY.237.1 (XXX.YYY.237.1) 56(84) bytes of data.
> From XXX.YYY.237.65 icmp_seq=1 Destination Host Unreachable
> From XXX.YYY.237.65 icmp_seq=2 Destination Host Unreachable
> From XXX.YYY.237.65 icmp_seq=3 Destination Host Unreachable
>
> --- XXX.YYY.237.1 ping statistics ---
> 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2937ms
> pipe 3
...until I disconnect the bond (i.e., 'bond2') from the virtual switch and re-attach it:
> [root@xen-2 ~]# ovs-vsctl del-port EXT bond2 && ovs-vsctl --may-exist add-port EXT bond2
>
> [root@xen-2 ~]# ping -c3 XXX.YYY.237.1
> PING XXX.YYY.237.1 (XXX.YYY.237.1) 56(84) bytes of data.
> 64 bytes from XXX.YYY.237.1: icmp_seq=1 ttl=64 time=56.7 ms
> 64 bytes from XXX.YYY.237.1: icmp_seq=2 ttl=64 time=48.8 ms
> 64 bytes from XXX.YYY.237.1: icmp_seq=3 ttl=64 time=47.6 ms
>
> --- XXX.YYY.237.1 ping statistics ---
> 3 packets transmitted, 3 received, 0% packet loss, time 2049ms
> rtt min/avg/max/mdev = 47.650/51.073/56.724/4.033 ms
Should I destroy the 'bond2' interface and create the bond using OVS instead? Or is this configuration correct?
TIA,
Eric Pretorious
Portland, OR
REFERENCE:
[root@xen-2 ~]# cat /etc/sysconfig/network /etc/sysconfig/network-scripts/ifcfg-{bond2,EXT}
NETWORKING=yes
GATEWAY=XXX.YYY.237.1
HOSTNAME=xen-2
DNS1=208.67.220.220
DNS2=208.67.222.222
...
DEVICE=bond2
BOOTPROTO=none
class="yiv7388875427">NM_CONTOLLED=no
USERCTL=no
BONDING_OPTS='mode=1 miimon=100'
...
DEVICE=EXT
OVSBRIDGE=EXT
TYPE=ovs
DEVICETYPE=OVSPort
IPADDR=XXX.YYY.237.65
NETMASK=255.255.255.0
BOOTPROTO=static
>