Just to inform that on CentOS 6.3 the 1.7.1 sources successfully build
the RPM packages with kernel 2.6.32-279.2.1 and the same steps as
detailed for 1.6.1 in thread
http://openvswitch.org/pipermail/discuss/2012-July/007760.html
( with the same patch as in
http://openvswitch.org/pipermail/dev/2012-July/018906.html
)

Updated the 1.6.1 packages and rebooted and seems to work. Further
tests next days
Below the output of some commands, showing also the kind of my config.

On the server I have some KVM virtual machines on both vlan65 and 66,
that seems correctly connected to the VLANs.

Some questions:
1) Is there any reason for the patch not going mainstream yet? Or is
it to be considered only as a sort of workaround for centos6/rhel6?
Any incompatibility with other distros/kernels?
Any particular arguments I can send to create RHEL bugzilla in case
you think it is a problem related to rhel6 kernel and not openvswitch,
so that it becomes possible to build directly the sources?

2) Why my bridges are shown as
speed: 100 Mbps now, 100 Mbps max
while the adapters composing them are 1Gbps?
A config I have to put in any file?

Thanks,
Gianluca

# ovs-vsctl show
79290274-54f1-44b4-a7b6-8362d2b53dd8
    Bridge "virbr1"
        Port "virbr1"
            Interface "virbr1"
                type: internal
        Port "virbr1-nic"
            Interface "virbr1-nic"
    Bridge "virbr0"
        Port "virbr0"
            Interface "virbr0"
                type: internal
        Port "virbr0-nic"
            Interface "virbr0-nic"
    Bridge "br0"
        Port "brvlan65"
            tag: 65
            Interface "brvlan65"
                type: internal
        Port "bond0"
            trunks: [65, 66]
            Interface "eth3"
            Interface "eth2"
        Port "brvlan66"
            tag: 66
            Interface "brvlan66"
                type: internal
        Port "br0"
            Interface "br0"
                type: internal
    ovs_version: "1.7.1"

# ovs-ofctl show br0
OFPT_FEATURES_REPLY (xid=0x1): dpid:0000001cc446ef73
n_tables:255, n_buffers:256
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
 1(eth3): addr:00:1c:c4:46:ef:74
     config:     0
     state:      0
     current:    1GB-FD FIBER AUTO_NEG
     advertised: 1GB-HD 1GB-FD FIBER AUTO_NEG AUTO_PAUSE
     supported:  1GB-HD 1GB-FD FIBER AUTO_NEG
     speed: 1000 Mbps now, 1000 Mbps max
 2(eth2): addr:00:1c:c4:46:ef:73
     config:     0
     state:      0
     current:    1GB-FD FIBER AUTO_NEG
     advertised: 1GB-HD 1GB-FD FIBER AUTO_NEG AUTO_PAUSE
     supported:  1GB-HD 1GB-FD FIBER AUTO_NEG
     speed: 1000 Mbps now, 1000 Mbps max
 4(brvlan65): addr:2e:af:88:ab:95:e2
     config:     0
     state:      0
     speed: 100 Mbps now, 100 Mbps max
 5(brvlan66): addr:12:25:a7:fb:ca:3d
     config:     0
     state:      0
     speed: 100 Mbps now, 100 Mbps max
 LOCAL(br0): addr:00:1c:c4:46:ef:73
     config:     0
     state:      0
     speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x3): frags=normal miss_send_len=0


# ovs-appctl bond/show bond0
---- bond0 ----
bond_mode: balance-slb
bond-hash-basis: 0
updelay: 200 ms
downdelay: 0 ms
next rebalance: 4027 ms
lacp_status: off

slave eth2: enabled
        may_enable: true

slave eth3: enabled
        active slave
        may_enable: true
        hash 234: 0 kB load
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