sudo /path/to/vlan_learning/vlan_learning.py

[James7zy]

How to use vlan_learning.py, "Is it due to incorrect environment variables in my environment?"

` ./vlan_learning.py

Traceback (most recent call last): File "/home/ecarx/work/trace/bcc/examples/networking/vlan_learning/./vlan_learning.py", line 79, in sim.start() File "/home/ecarx/work/trace/bcc/examples/networking/vlan_learning/./vlan_learning.py", line 37, in start self._create_ns("worker%d" % i, cmd=cmd, fn=virt_fn, action="drop", File "/home/ecarx/work/trace/bcc/examples/networking/vlan_learning/simulation.py", line 107, in _create_ns (ns_ipdb, out_ifc, in_ifc) = self._ns_add_ifc(name, "eth0", name, in_ifc, out_ifc, File "/home/ecarx/work/trace/bcc/examples/networking/vlan_learning/simulation.py", line 96, in _ns_add_ifc self.ipdb.nl.tc("add", "ingress", out_ifc["index"], "ffff:") File "/usr/local/lib/python3.10/dist-packages/pyroute2/iproute/linux.py", line 1889, in tc return tuple(self.nlm_request(msg, msg_type=command, msg_flags=flags)) File "/usr/local/lib/python3.10/dist-packages/pyroute2/netlink/nlsocket.py", line 822, in nlm_request return tuple(self._genlm_request(*argv, *kwarg)) File "/usr/local/lib/python3.10/dist-packages/pyroute2/netlink/nlsocket.py", line 1129, in nlm_request for msg in self.get( File "/usr/local/lib/python3.10/dist-packages/pyroute2/netlink/nlsocket.py", line 825, in get return tuple(self._genlm_get(argv, **kwarg)) File "/usr/local/lib/python3.10/dist-packages/pyroute2/netlink/nlsocket.py", line 489, in get raise msg['header']['error'] pyroute2.netlink.exceptions.NetlinkError: (2, 'No such file or directory') `