[one-users] OpenvSwitch intergration

Shek Mohd Fahmi Abdul Latip fahmi.latip at mimos.my
Thu Sep 26 03:52:15 PDT 2013


Hi experts,

I'm integrating OpenvSwitch with Opennebula. The good news is, they work beautifully together :). Bad news is very less documentation available for OpenvSwitch. Then I have doubt on the new setup of OpenvSwitch. When I deploying VM through Opennebula, it created vnet as expected. Somehow the speed of it downgraded to 10MB-FD compare what I have on physical hardware, 1GB-FD. Could someone please advise me how to ensure that vnet speed same at physical network card? Here is my current configuration:

# ovs-vsctl show
8167368c-a8f8-41dd-beab-7984a3e63ddb
    Bridge "ovsbr0"
        Port "ovsbr0"
            Interface "ovsbr0"
                type: internal
        Port "vnet1"
            tag: 407
            Interface "vnet1"
        Port "ovsbond0"
            Interface "eth1"
            Interface "eth0"
        Port "vnet0"
            tag: 264
            Interface "vnet0"
    ovs_version: "1.10.0"

# ovs-appctl bond/show
---- ovsbond0 ----
bond_mode: active-backup
bond-hash-basis: 0
updelay: 0 ms
downdelay: 0 ms
lacp_status: negotiated

slave eth0: enabled
        may_enable: true

slave eth1: enabled
        active slave
        may_enable: true

# ovs-ofctl show ovsbr0
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000e8393524b2b6
n_tables:254, 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(eth0): addr:e8:39:35:24:b2:b6
     config:     0
     state:      0
     current:    1GB-FD COPPER AUTO_NEG
     advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD AUTO_NEG
     supported:  10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
     speed: 1000 Mbps now, 1000 Mbps max
 2(eth1): addr:e8:39:xx:xx:xx:xx
     config:     0
     state:      0
     current:    1GB-FD COPPER AUTO_NEG
     advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD AUTO_NEG
     supported:  10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
     speed: 1000 Mbps now, 1000 Mbps max
 11(vnet0): addr:fe:00:xx:xx:xx:xx
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 12(vnet1): addr:fe:00:xx:xx:xx:xx
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(ovsbr0): addr:e8:39:xx:xx:xx:xx
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0


Best regards,
.fahmie





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