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ignores such packets. This should avoid some sporadic failures.
While there, use variable names consistently in all tests.
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be used as packet id. Now scapy calls nexthopmtu with this name
explicitly in icmp structure.
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for path MTU discovery. The router behind the pf machine has MTU
1300. The ICMP packet generated by the router matches the pf state
and is NATed correctly. Additionally the pf machine itself has an
interface MTU 1400. So when pf is sending a packet is has to
generate a correct "fragmentation needed" or "packet too big" ICMP
response. This is done with pf route-to and reply-to.
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makes the fragment tests work on FreeBSD. From Ilya Bakulin.
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You have to setup four machines manually as described in the makefile.
The test uses scapy and python to send ping echo request or udp
echo packets along the routers. It analyzes the returned ping echo
reply or udp packets or the icmp error packets.
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