ovs & ryu & mininet
[root@kunpeng82 mininet]# ryu --version
ryu 4.34
[root@kunpeng82 mininet]#
[root@kunpeng82 ryu-master]# find ./ -name simple_switch_13.py
./ryu/app/simple_switch_13.py
./build/lib/ryu/app/simple_switch_13.py
[root@kunpeng82 ryu-master]# cd ryu/app/
[root@kunpeng82 app]# ryu-manager --verbose simple_switch_13.py ofctl_rest.py rest_topology.py
loading app simple_switch_13.py
loading app ofctl_rest.py
loading app rest_topology.py
require_app: ryu.topology.switches is required by rest_topology
loading app ryu.controller.ofp_handler
loading app ryu.topology.switches
loading app ryu.controller.ofp_handler
instantiating app None of DPSet
creating context dpset
creating context wsgi
instantiating app simple_switch_13.py of SimpleSwitch13
instantiating app ofctl_rest.py of RestStatsApi
instantiating app rest_topology.py of TopologyAPI
instantiating app ryu.controller.ofp_handler of OFPHandler
instantiating app ryu.topology.switches of Switches
BRICK dpset
[root@kunpeng82 mininet]# mn --controller=remote,ip=127.0.0.1,port=6653 *** Creating network *** Adding controller *** Adding hosts: h1 h2 *** Adding switches: s1 *** Adding links: (h1, s1) (h2, s1) *** Configuring hosts h1 h2 *** Starting controller c0 *** Starting 1 switches s1 ... *** Starting CLI: mininet>
http://10.10.16.82:8080/stats/desc/1
[root@kunpeng82 custom]# vi test.py #!/user/bin/env python from mininet.topo import Topo class MyTopo(Topo): def build(self): left=[] left.append(self.addHost("h1")) left.append(self.addHost("h2")) right=[] right.append(self.addHost("h3")) right.append(self.addHost("h4")) switchs=[] switchs.append(self.addSwitch("s1")) switchs.append(self.addSwitch("s2")) self.addLink(left[0],switchs[0]) self.addLink(left[1],switchs[0]) self.addLink(right[0],switchs[1]) self.addLink(right[1],switchs[1]) self.addLink(switchs[0],switchs[1]) topos={'mytopo':(lambda : MyTopo())} "test.py" [New] 22L, 648C written [root@kunpeng82 custom]# mn --controller=remote,ip=127.0.0.1,port=6653 --custom test.py --topo mytopo *** Creating network *** Adding controller *** Adding hosts: h1 h2 h3 h4 *** Adding switches: s1 s2 *** Adding links: (h1, s1) (h2, s1) (h3, s2) (h4, s2) (s1, s2) *** Configuring hosts h1 h2 h3 h4 *** Starting controller c0 *** Starting 2 switches s1 s2 ... *** Starting CLI: mininet> pingall *** Ping: testing ping reachability h1 -> h2 h3 h4 h2 -> h1 h3 h4 h3 -> h1 h2 h4 h4 -> h1 h2 h3 *** Results: 0% dropped (12/12 received) mininet>
http://10.10.16.82:8080/stats/switches
http://10.10.16.82:8080/stats/flow/1
{"1": [{"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 238, "duration_sec": 264, "duration_nsec": 728000000, "packet_count": 3, "length": 104, "flags": 0, "actions": ["OUTPUT:1"], "match": {"in_port": 2, "dl_src": "ba:61:1d:41:32:b8", "dl_dst": "2e:1c:03:0e:97:18"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 140, "duration_sec": 264, "duration_nsec": 724000000, "packet_count": 2, "length": 104, "flags": 0, "actions": ["OUTPUT:2"], "match": {"in_port": 1, "dl_src": "2e:1c:03:0e:97:18", "dl_dst": "ba:61:1d:41:32:b8"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 238, "duration_sec": 264, "duration_nsec": 711000000, "packet_count": 3, "length": 104, "flags": 0, "actions": ["OUTPUT:1"], "match": {"in_port": 3, "dl_src": "42:d8:65:f5:84:82", "dl_dst": "2e:1c:03:0e:97:18"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 140, "duration_sec": 264, "duration_nsec": 709000000, "packet_count": 2, "length": 104, "flags": 0, "actions": ["OUTPUT:3"], "match": {"in_port": 1, "dl_src": "2e:1c:03:0e:97:18", "dl_dst": "42:d8:65:f5:84:82"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 238, "duration_sec": 264, "duration_nsec": 694000000, "packet_count": 3, "length": 104, "flags": 0, "actions": ["OUTPUT:1"], "match": {"in_port": 3, "dl_src": "82:cb:85:fa:1a:09", "dl_dst": "2e:1c:03:0e:97:18"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 140, "duration_sec": 264, "duration_nsec": 691000000, "packet_count": 2, "length": 104, "flags": 0, "actions": ["OUTPUT:3"], "match": {"in_port": 1, "dl_src": "2e:1c:03:0e:97:18", "dl_dst": "82:cb:85:fa:1a:09"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 238, "duration_sec": 264, "duration_nsec": 675000000, "packet_count": 3, "length": 104, "flags": 0, "actions": ["OUTPUT:2"], "match": {"in_port": 3, "dl_src": "42:d8:65:f5:84:82", "dl_dst": "ba:61:1d:41:32:b8"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 140, "duration_sec": 264, "duration_nsec": 672000000, "packet_count": 2, "length": 104, "flags": 0, "actions": ["OUTPUT:3"], "match": {"in_port": 2, "dl_src": "ba:61:1d:41:32:b8", "dl_dst": "42:d8:65:f5:84:82"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 238, "duration_sec": 264, "duration_nsec": 658000000, "packet_count": 3, "length": 104, "flags": 0, "actions": ["OUTPUT:2"], "match": {"in_port": 3, "dl_src": "82:cb:85:fa:1a:09", "dl_dst": "ba:61:1d:41:32:b8"}, "table_id": 0}, {"priority": 1, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 140, "duration_sec": 264, "duration_nsec": 655000000, "packet_count": 2, "length": 104, "flags": 0, "actions": ["OUTPUT:3"], "match": {"in_port": 2, "dl_src": "ba:61:1d:41:32:b8", "dl_dst": "82:cb:85:fa:1a:09"}, "table_id": 0}, {"priority": 0, "cookie": 0, "idle_timeout": 0, "hard_timeout": 0, "byte_count": 4756, "duration_sec": 280, "duration_nsec": 242000000, "packet_count": 66, "length": 80, "flags": 0, "actions": ["OUTPUT:CONTROLLER"], "match": {}, "table_id": 0}]}
[root@kunpeng82 devuser]# ovs-vsctl show ec7f002f-352c-476c-8348-5f2c86c8194f Bridge "s1" Controller "ptcp:6654" Controller "tcp:127.0.0.1:6653" is_connected: true fail_mode: secure Port "s1-eth2" Interface "s1-eth2" Port "s1-eth3" Interface "s1-eth3" Port "s1-eth1" Interface "s1-eth1" Port "s1" Interface "s1" type: internal Bridge "br0" Port "br0" Interface "br0" type: internal Bridge "s2" Controller "ptcp:6655" Controller "tcp:127.0.0.1:6653" is_connected: true fail_mode: secure Port "s2-eth1" Interface "s2-eth1" Port "s2-eth2" Interface "s2-eth2" Port "s2-eth3" Interface "s2-eth3" Port "s2" Interface "s2" type: internal ovs_version: "2.12.0" [root@kunpeng82 devuser]#
mininet> pingall *** Ping: testing ping reachability h1 -> h2 h3 h4 h2 -> h1 h3 h4 h3 -> h1 h2 h4 h4 -> h1 h2 h3 *** Results: 0% dropped (12/12 received) mininet>
[root@kunpeng82 devuser]# mn *** Creating network *** Adding controller *** Adding hosts: h1 h2 *** Adding switches: s1 *** Adding links: (h1, s1) (h2, s1) *** Configuring hosts h1 h2 *** Starting controller c0 *** Starting 1 switches s1 ... *** Starting CLI: mininet> h1 ping -c1 h2 PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. 64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=56.3 ms --- 10.0.0.2 ping statistics ---
mininet> c0 ifconfig br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::4a57:2ff:fe64:e7ac prefixlen 64 scopeid 0x20<link>
Bridge "s1" Controller "tcp:127.0.0.1:6653" is_connected: true Controller "ptcp:6654" fail_mode: secure Port "s1-eth1" Interface "s1-eth1" Port "s1" Interface "s1" type: internal Port "s1-eth2" Interface "s1-eth2" ovs_version: "2.12.0"
mininet> h1 ping -c1 h2 PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. 64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=27.9 ms --- 10.0.0.2 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 27.933/27.933/27.933/0.000 ms mininet>
[root@kunpeng82 devuser]# tcpdump -en -i s1-eth1 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on s1-eth1, link-type EN10MB (Ethernet), capture size 262144 bytes 04:19:05.351105 e6:47:6c:1c:37:ff > 76:e5:f9:33:ee:a7, ethertype IPv4 (0x0800), length 98: 10.0.0.1 > 10.0.0.2: ICMP echo request, id 49794, seq 1, length 64 04:19:05.378990 76:e5:f9:33:ee:a7 > e6:47:6c:1c:37:ff, ethertype IPv4 (0x0800), length 98: 10.0.0.2 > 10.0.0.1: ICMP echo reply, id 49794, seq 1, length 64 04:19:08.807438 da:ef:fd:00:f4:cf > 33:33:00:00:00:02, ethertype IPv6 (0x86dd), length 70: fe80::d8ef:fdff:fe00:f4cf > ff02::2: ICMP6, router solicitation, length 16 04:19:10.407444 e6:47:6c:1c:37:ff > 76:e5:f9:33:ee:a7, ethertype ARP (0x0806), length 42: Request who-has 10.0.0.2 tell 10.0.0.1, length 28 04:19:10.434746 76:e5:f9:33:ee:a7 > e6:47:6c:1c:37:ff, ethertype ARP (0x0806), length 42: Request who-has 10.0.0.1 tell 10.0.0.2, length 28 04:19:10.434763 e6:47:6c:1c:37:ff > 76:e5:f9:33:ee:a7, ethertype ARP (0x0806), length 42: Reply 10.0.0.1 is-at e6:47:6c:1c:37:ff, length 28 04:19:10.447963 76:e5:f9:33:ee:a7 > e6:47:6c:1c:37:ff, ethertype ARP (0x0806), length 42: Reply 10.0.0.2 is-at 76:e5:f9:33:ee:a7, length 28
