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pkt_len_test
2019 Jul 24
0
virtio BPF offers incorrect packet length
...as
expected.
To carry out this experiment I've used a Debian 10 virtual machine with
net.ipv4.ip_forward=1 and net.ipv4.conf.eth0.forwarding=1, forwarding
packets between its two virtio interfaces. The example program is run with
the following command, having BCC installed:
$> sudo python3 pkt_len_text.py eth0
Where "eth0" could be another ingress interface. The output is showed at
/sys/kernel/debug/tracing/trace_pipe.
Can anyone confirm if this error is reproducible, and does it have any
solutions?
BR.
Arnau
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