Hello all,
I have network whose architecture is as shown below.
As there are loops in the network ,I'm running STP on the controller which is
RYU.
But the problem is that even though the openvswitches receive the bpdu
configuration packets,they are being disabled.
Also the openvswitches are running on three different pc's and not on mininet.
When the same topology is run on mininet, everything works flawlessy.
c0(Ryu)
|
------------switch--------------
| (normal switch) |
| | |
| --------
ovs1----------- |
| |
| |
Host1--------Ovs2 ---------------------- ovs3----host2
The ovs version is 2.3.1.
Does ovs just drop bpdu packets when stp is disabled?
I have also modified the ports to receive-stp.
I'm also attaching the port data and the bridge configuration :
ovs-vsctl list bridge
_uuid : 1e4df0df-fb73-4f49-8311-9a0daa88a84f
controller : [7af3325d-754a-4bf7-9949-f6b15d5c095e]
datapath_id : "00000010f33acafb"
datapath_type : ""
external_ids : {}
fail_mode : secure
flood_vlans : []
flow_tables : {}
ipfix : []
mirrors : []
name : "s1"
netflow : []
other_config : {disable-in-band="true"}
ports : [49c14788-b49e-4c39-ba7b-e3a24c11abbd,
b9542e30-5bd0-49c0-b6c3-b0556e33f988, eacc4c3d-a10d-4ded-905f-5976ce42d4a7]
protocols : ["OpenFlow13"]
sflow : []
status : {}
stp_enable : false
ovs-ofctl -O openFlow13 dump-flows s1
OFPST_FLOW reply (OF1.3) (xid=0x2):
cookie=0x0, duration=2793.242s, table=0, n_packets=1046, n_bytes=62760,
priority=65535,dl_dst=01:80:c2:00:00:0e actions=CONTROLLER:65535
cookie=0x0, duration=9125.242s, table=0, n_packets=288482, n_bytes=17308920,
priority=65535,dl_dst=01:80:c2:00:00:00 actions=CONTROLLER:65535
cookie=0x0, duration=2793.439s, table=0, n_packets=2014, n_bytes=474412,
priority=0 actions=CONTROLLER:65535
cookie=0x0, duration=50.026s, table=0, n_packets=0, n_bytes=0,
priority=65534,in_port=3 actions=drop
cookie=0x0, duration=40.161s, table=0, n_packets=0, n_bytes=0,
priority=65534,in_port=1 actions=drop
cookie=0x0, duration=601019.436s, table=0, n_packets=0, n_bytes=0,
priority=65535,dl_dst=01:80:c2:00:00:0e,dl_type=0x88cc actions=CONTROLLER:65535
ovs-ofctl -O openFlow13 dump-ports-desc s1
OFPST_PORT_DESC reply (OF1.3) (xid=0x2):
1(p1p1): addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
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
3(p4p1): addr:a0:36:9f:44:3f:2c
config: NO_PACKET_IN
state: 0
current: 1GB-FD COPPER AUTO_NEG
advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
AUTO_PAUSE
supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
AUTO_PAUSE
speed: 1000 Mbps now, 1000 Mbps max
LOCAL(s1): addr:00:10:f3:3a:ca:fb
config: 0
state: 0
speed: 0 Mbps now, 0 Mbps max
root@cocosdem3:/home/cocos# ovs-ofctl snoop s1
OFPT_PORT_STATUS (OF1.3) (xid=0x0): MOD: 1(p1p1): addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
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
OFPT_PORT_MOD (OF1.3) (xid=0x1868f4ee):port: 1: addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
mask: PORT_DOWN NO_RECV NO_FWD NO_PACKET_IN
advertise: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
OFPT_FLOW_MOD (OF1.3) (xid=0x1868f4ef): ADD priority=65534,in_port=1 out_port:0
actions=drop
OFPT_PACKET_OUT (OF1.3) (xid=0x1868f4f0): in_port=CONTROLLER actions=output:1
data_len=52
metadata=0,in_port=0,vlan_tci=0x0000,dl_src=00:10:f3:3a:ca:fb,dl_dst=01:80:c2:00:00:0e,dl_type=0x05ff
OFPT_PORT_STATUS (OF1.3) (xid=0x0): MOD: 1(p1p1): addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
state: LINK_DOWN
current: 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: 0 Mbps now, 1000 Mbps max
OFPT_PORT_STATUS (OF1.3) (xid=0x0): MOD: 1(p1p1): addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
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
OFPT_PORT_MOD (OF1.3) (xid=0x1868f4f1):port: 1: addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
mask: PORT_DOWN NO_RECV NO_FWD NO_PACKET_IN
advertise: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG
OFPT_FLOW_MOD (OF1.3) (xid=0x1868f4f2): ADD priority=65534,in_port=1 out_port:0
actions=drop
OFPT_PACKET_OUT (OF1.3) (xid=0x1868f4f3): in_port=CONTROLLER actions=output:1
data_len=52
metadata=0,in_port=0,vlan_tci=0x0000,dl_src=00:10:f3:3a:ca:fb,dl_dst=01:80:c2:00:00:0e,dl_type=0x05ff
OFPT_PORT_STATUS (OF1.3) (xid=0x0): MOD: 1(p1p1): addr:00:10:f3:3a:ca:fb
config: NO_PACKET_IN
state: LINK_DOWN
current: 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: 0 Mbps now, 1000 Mbps max
OFPT_PORT_STATUS (OF1.3) (xid=0x0): MOD: 1(p1p1): addr:00:10:f3:3a:ca:fb
config: NO_PACKET_In
state: 0
If anyone has any insights please let me know.
Mit freundlichen Grüßen / Best regards
Harsha Vardhan
Communication Technology (CR/AEH4)
[email protected]<mailto:[email protected]>
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