ryu启动总是报这样的
[root@kunpeng82 demo1]# mn --custom group.py --topo group -------------------------------------------------------------------------------- Caught exception. Cleaning up... KeyError: 3 -------------------------------------------------------------------------------- *** Removing excess controllers/ofprotocols/ofdatapaths/pings/noxes killall controller ofprotocol ofdatapath ping nox_corelt-nox_core ovs-openflowd ovs-controllerovs-testcontroller udpbwtest mnexec ivs ryu-manager 2> /dev/null killall -9 controller ofprotocol ofdatapath ping nox_corelt-nox_core ovs-openflowd ovs-controllerovs-testcontroller udpbwtest mnexec ivs ryu-manager 2> /dev/null pkill -9 -f "sudo mnexec" *** Removing junk from /tmp rm -f /tmp/vconn* /tmp/vlogs* /tmp/*.out /tmp/*.log *** Removing old X11 tunnels *** Removing excess kernel datapaths ps ax | egrep -o 'dp[0-9]+' | sed 's/dp/nl:/' *** Removing OVS datapaths ovs-vsctl --timeout=1 list-br ovs-vsctl --timeout=1 list-br *** Removing all links of the pattern foo-ethX ip link show | egrep -o '([-_.[:alnum:]]+-eth[[:digit:]]+)' ip link show *** Killing stale mininet node processes pkill -9 -f mininet: *** Shutting down stale tunnels pkill -9 -f Tunnel=Ethernet pkill -9 -f .ssh/mn rm -f ~/.ssh/mn/* *** Cleanup complete.
killall controller & mn -c /mn --clean之后还是一样
[root@kunpeng82 demo1]# killall controller controller: no process found [root@kunpeng82 demo1]# mn -c *** Removing excess controllers/ofprotocols/ofdatapaths/pings/noxes killall controller ofprotocol ofdatapath ping nox_corelt-nox_core ovs-openflowd ovs-controllerovs-testcontroller udpbwtest mnexec ivs ryu-manager 2> /dev/null killall -9 controller ofprotocol ofdatapath ping nox_corelt-nox_core ovs-openflowd ovs-controllerovs-testcontroller udpbwtest mnexec ivs ryu-manager 2> /dev/null pkill -9 -f "sudo mnexec" *** Removing junk from /tmp rm -f /tmp/vconn* /tmp/vlogs* /tmp/*.out /tmp/*.log *** Removing old X11 tunnels *** Removing excess kernel datapaths ps ax | egrep -o 'dp[0-9]+' | sed 's/dp/nl:/' *** Removing OVS datapaths ovs-vsctl --timeout=1 list-br ovs-vsctl --timeout=1 list-br *** Removing all links of the pattern foo-ethX ip link show | egrep -o '([-_.[:alnum:]]+-eth[[:digit:]]+)' ip link show *** Killing stale mininet node processes pkill -9 -f mininet: *** Shutting down stale tunnels pkill -9 -f Tunnel=Ethernet pkill -9 -f .ssh/mn rm -f ~/.ssh/mn/* *** Cleanup complete.
[root@kunpeng82 demo1]# vi group.py self.switch[s-1] = self.addSwitch('s%s' %(s)) from mininet.topo import Topo class MininetTopo(Topo): def __init__(self,**opts): Topo.__init__(self, **opts) host1 = self.addHost('h1') host2 = self.addHost('h2') host3 = self.addHost('h3') host4 = self.addHost('h4') self.switch = {}
//原来是这里有问题，改成range(1,5) for s in range(1,4): print(s) self.switch[s-1] = self.addSwitch('s%s' %(s)) self.addLink(self.switch[0], self.switch[1]) self.addLink(self.switch[0], self.switch[2]) self.addLink(self.switch[0], self.switch[3]) #Adding host self.addLink(self.switch[0], host1) self.addLink(self.switch[1], host2) self.addLink(self.switch[2], host3) self.addLink(self.switch[3], host4) topos = {'group':(lambda:MininetTopo())}
[root@kunpeng82 demo1]# mn --custom group.py --topo group *** Creating network *** Adding controller *** Adding hosts: h1 h2 h3 h4 *** Adding switches: s1 s2 s3 s4 *** Adding links: (s1, h1) (s1, s2) (s1, s3) (s1, s4) (s2, h2) (s3, h3) (s4, h4) *** Configuring hosts h1 h2 h3 h4 *** Starting controller c0 *** Starting 4 switches s1 s2 s3 s4 ... *** Starting CLI: mininet> h1 ping 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=134 ms 64 bytes from 10.0.0.2: icmp_seq=2 ttl=64 time=0.434 ms 64 bytes from 10.0.0.2: icmp_seq=3 ttl=64 time=0.053 ms ^C --- 10.0.0.2 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2026ms rtt min/avg/max/mdev = 0.053/45.037/134.626/63.349 ms mininet> h1 ping -c 3 h3 PING 10.0.0.3 (10.0.0.3) 56(84) bytes of data. 64 bytes from 10.0.0.3: icmp_seq=1 ttl=64 time=137 ms 64 bytes from 10.0.0.3: icmp_seq=2 ttl=64 time=0.371 ms 64 bytes from 10.0.0.3: icmp_seq=3 ttl=64 time=0.032 ms --- 10.0.0.3 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2034ms rtt min/avg/max/mdev = 0.032/45.905/137.312/64.634 ms mininet> Interrupt mininet> h1 ping -c 3 h4 PING 10.0.0.4 (10.0.0.4) 56(84) bytes of data. 64 bytes from 10.0.0.4: icmp_seq=1 ttl=64 time=133 ms 64 bytes from 10.0.0.4: icmp_seq=2 ttl=64 time=0.458 ms 64 bytes from 10.0.0.4: icmp_seq=3 ttl=64 time=0.040 ms --- 10.0.0.4 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2070ms rtt min/avg/max/mdev = 0.040/44.570/133.212/62.679 ms mininet>