Hi all,
I have OpenVSwitch installed on one computer which has a
quad-port. I have two other computers connected to two ports eth4 and eth5. I
have eth4 connected to openflow port 2 and eth5 connected to openflow port 1.
ovs-ofctl show br0 gives:
1(eth5): addr:a0:36:9f:10:98:f0
config: 0
state: 0
current: 1GB-FD COPPER AUTO_NEG
advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
speed: 1000 Mbps now, 1000 Mbps max
2(eth4): addr:a0:36:9f:10:98:f3
config: 0
state: 0
current: 1GB-FD COPPER AUTO_NEG
advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
speed: 1000 Mbps now, 1000 Mbps max
LOCAL(br0): addr:a0:36:9f:10:98:f0
config: PORT_DOWN
state: LINK_DOWN
speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x3): frags=normal miss_send_len=0
Now I modify the flow table such that I can transfer traffic between the two
computers one acting as server and another as client using the commands:
ovs-ofctl add-flow br0 "in_port=1,actions=output:2"
ovs-ofctl add-flow br0 "in_port=2,actions=output:1"
ovs-ofctl dump-flows br0 gives:
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=163.71s, table=0, n_packets=0, n_bytes=0, idle_age=163,
in_port=2 actions=output:1
cookie=0x0, duration=172.914s, table=0, n_packets=0, n_bytes=0, idle_age=172,
in_port=1 actions=output:2
I use iperf to generate traffic between the two machines and I am able to do
it. But when I want to create queues at eth5 and enqueue the traffic from
different iperf clients connected to eth4, I get connection timed out error or
no route to host error.
The commands I have used are as follows:
ovs-vsctl -- set port eth5 qos=@newqos -- --id=@newqos create qos
type=linux-htb other-config:max-rate=1000000000 queues=0=@q0,1=@q1 -- --id=@q0
create queue other-config:min-rate=20000000 other-config:max-rate=20000000 --
--id=@q1 create queue other-config:min-rate=1000000
other-config:max-rate=1000000
ovs-ofctl add-flow br0 "in_port=1,actions=output:2"
ovs-ofctl add-flow br0
"in_port=2,dl_type=0x0800,nw_proto=6,tp_dst=9000,actions=enqueue:1:1"
ovs-ofctl add-flow br0
"in_port=2,dl_type=0x0800,nw_proto=6,tp_dst=8000,actions=enqueue:1:0"
ovs-ofctl dump-flows br0 gives:
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=28.215s, table=0, n_packets=0, n_bytes=0, idle_age=28,
tcp,in_port=2,tp_dst=9000 actions=enqueue:1q1
cookie=0x0, duration=21s, table=0, n_packets=0, n_bytes=0, idle_age=21,
tcp,in_port=2,tp_dst=8000 actions=enqueue:1q0
cookie=0x0, duration=12.712s, table=0, n_packets=0, n_bytes=0, idle_age=12,
in_port=1 actions=output:2
I use two iperf clients on machine (static ip:10.6.1.2) connected to eth4
(static ip:10.6.1.1)and two iperf servers on the machine(static ip:10.6.2.2)
connected to eth5(static ip:10.6.2.1).
On 10.6.2.2 machine, I run iperf -s -p 8000 on one terminal and iperf -s -p
9000 on another terminal
On 10.6.1.2 machine, I run iperf -c 10.6.2.2 -p 8000 on one terminal and iperf
-c 10.6.2.2 -p 9000 on another terminal
I get 'connection timed out' error. If I specify the destination ip address in
the flow syntax for the flows, I get a 'no route to host' error.
Can someone please tell me where I am going wrong? I basically need to queue
the traffic from different clients on different queues and transfer them at
different rates.
Thank you
Regards,
Mathumitha
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