Hi,
I am new to Open vSwitch and am trying to create a VLAN with two switches
(s1, s2) having 2 hosts (s1 having red1 and blue1 and s2 having red2 and
blue2) each and no controller. My configuration is as mentioned below:
mininet> net
s1 lo: s1-eth1:red1-eth0 s1-eth2:blue1-eth0 s1-eth3:s2-eth1
s2 lo: s2-eth1:s1-eth3 s2-eth2:red2-eth0 s2-eth3:blue2-eth0
blue1 blue1-eth0:s1-eth2
blue2 blue2-eth0:s2-eth3
red1 red1-eth0:s1-eth1
red2 red2-eth0:s2-eth2
I have created VLAN by assigning tag ids as below
mininet> sh ovs-vsctl show
de0d6311-08a0-4eba-aad8-d91ae2df8483
Bridge "s1"
Controller "ptcp:6634"
fail_mode: secure
Port "s1-eth3"
trunks: [100, 200]
Interface "s1-eth3"
Port "s1-eth2"
tag: 200
Interface "s1-eth2"
Port "s1"
Interface "s1"
type: internal
Port "s1-eth1"
tag: 100
Interface "s1-eth1"
Bridge "s2"
Controller "ptcp:6635"
fail_mode: secure
Port "s2-eth1"
trunks: [100, 200]
Interface "s2-eth1"
Port "s2"
Interface "s2"
type: internal
Port "s2-eth3"
tag: 200
Interface "s2-eth3"
Port "s2-eth2"
tag: 100
Interface "s2-eth2"
mininet> sh ovs-ofctl show s1
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000000000000001
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(s1-eth1): addr:56:eb:cf:57:2c:f2
config: 0
state: 0
current: 10GB-FD COPPER
speed: 10000 Mbps now, 0 Mbps max
2(s1-eth2): addr:ae:1b:e0:f8:63:7e
config: 0
state: 0
current: 10GB-FD COPPER
speed: 10000 Mbps now, 0 Mbps max
3(s1-eth3): addr:72:e7:6a:a3:cd:92
config: 0
state: 0
current: 10GB-FD COPPER
speed: 10000 Mbps now, 0 Mbps max
LOCAL(s1): addr:ba:7c:3d:45:92:4c
config: 0
state: 0
speed: 0 Mbps now, 0 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
mininet> sh ovs-ofctl show s2
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000000000000002
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(s2-eth1): addr:ae:84:0c:3d:74:42
config: 0
state: 0
current: 10GB-FD COPPER
speed: 10000 Mbps now, 0 Mbps max
2(s2-eth2): addr:ba:3b:f5:9d:47:01
config: 0
state: 0
current: 10GB-FD COPPER
speed: 10000 Mbps now, 0 Mbps max
3(s2-eth3): addr:52:45:27:b8:d5:96
config: 0
state: 0
current: 10GB-FD COPPER
speed: 10000 Mbps now, 0 Mbps max
LOCAL(s2): addr:16:7f:2d:db:99:40
config: 0
state: 0
speed: 0 Mbps now, 0 Mbps max
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
When I install flow rule giving *actions=normal* in s1 and s2, the
functionality works as expected. Red1 can ping Red2 but cannot reach Blue1
and Blue2 and vice versa.
Then I am deleting these flow rules and am adding a flow rules based on the
MAC Address and it is not working.
mininet> sh ovs-ofctl dump-flows s1
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=160.318s, table=0, n_packets=0, n_bytes=0,
idle_age=160, actions=NORMAL
mininet> sh ovs-ofctl dump-flows s2
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=50.296s, table=0, n_packets=0, n_bytes=0,
idle_age=50, in_port=1,dl_dst=ba:3b:f5:9d:47:01 actions=output:2
cookie=0x0, duration=12.639s, table=0, n_packets=0, n_bytes=0,
idle_age=12, in_port=1,dl_dst=52:45:27:b8:d5:96 actions=strip_vlan,output:3
mininet> red1 ping red2
PING 10.0.0.4 (10.0.0.4) 56(84) bytes of data.
>From 10.0.0.3 icmp_seq=1 Destination Host Unreachable
>From 10.0.0.3 icmp_seq=2 Destination Host Unreachable
>From 10.0.0.3 icmp_seq=3 Destination Host Unreachable
^C
--- 10.0.0.4 ping statistics ---
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4024ms
pipe 3
mininet> red1 ping blue2
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
>From 10.0.0.3 icmp_seq=1 Destination Host Unreachable
>From 10.0.0.3 icmp_seq=2 Destination Host Unreachable
>From 10.0.0.3 icmp_seq=3 Destination Host Unreachable
^C
--- 10.0.0.2 ping statistics ---
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4000ms
pipe 3
Where am I going wrong while adding the flow rule?
Is it possible to install a flow rule that would enable Red1 to communicate
with Blue2?
Any help on this would really be appreciated.
Thanks,
Shruti
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