[ovs-dev] [PATCH 2/2] bond: Sending learning packets on active-backup.

[Yi Zhang]

I am testing OVS bonding in active-backup mode (eth1 and eth2).  However I am seeing packets being TX from both eth1 and eth2.  That is not what I would expect.  Any help would be appreciated.



[root at kvm1 network-scripts]# ovs-vswitchd --version
ovs-vswitchd (Open vSwitch) 1.9.3
Compiled Sep 14 2014 22:35:27
OpenFlow versions 0x1:0x1
[root at kvm1 network-scripts]# 

[root at kvm1 network-scripts]# ovs-vsctl show
c7487bd2-b382-4d08-bba7-6077117294d7
    Bridge "br0"
        Port "br0"
            Interface "br0"
                type: internal
        Port "vlan101"
            tag: 101
            Interface "vlan101"
                type: internal
        Port "vlan100"
            tag: 100
            Interface "vlan100"
                type: internal
        Port "bond0"
            Interface "eth1"
            Interface "eth2"
    ovs_version: "1.9.3"
[root at kvm1 network-scripts]# ovs-vsctl list port bond0
_uuid               : e44904c0-4a9f-413f-989a-e67fedc93b26
bond_downdelay      : 0
bond_fake_iface     : false
bond_mode           : active-backup
bond_updelay        : 0
external_ids        : {}
fake_bridge         : false
interfaces          : [2735efa7-600d-4de5-bf00-d2459b8e9615, 759f88ef-dc2c-44bd-a2b2-0d991eb9fd05]
lacp                : []
mac                 : []
name                : "bond0"
other_config        : {}
qos                 : []
statistics          : {}
status              : {}
tag                 : []
trunks              : []
vlan_mode           : []
[root at kvm1 network-scripts]# tcpdump -i eth1
tcpdump: WARNING: eth1: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
21:42:31.142112 IP 100.100.100.100 > 100.100.100.1: ICMP echo request, id 5182, seq 1, length 64
21:42:31.142394 IP 100.100.100.1 > 100.100.100.100: ICMP echo reply, id 5182, seq 1, length 64
21:42:32.542722 IP 192.168.116.1.17500 > 192.168.116.255.17500: UDP, length 146
^C
3 packets captured
3 packets received by filter
0 packets dropped by kernel
[root at kvm1 network-scripts]# tcpdump -i eth2
tcpdump: WARNING: eth2: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth2, link-type EN10MB (Ethernet), capture size 65535 bytes
21:42:36.141611 ARP, Request who-has 100.100.100.1 tell 100.100.100.100, length 28
21:42:36.142585 ARP, Reply 100.100.100.1 is-at 00:0c:29:5a:8f:82 (oui Unknown), length 46
21:42:36.741367 IP 100.100.100.100 > 100.100.100.1: ICMP echo request, id 5950, seq 1, length 64
21:42:36.741889 IP 100.100.100.1 > 100.100.100.100: ICMP echo reply, id 5950, seq 1, length 64
^C
4 packets captured
4 packets received by filter
0 packets dropped by kernel
[root at kvm1 network-scripts]#