Negitive. I now get.. (Defaults to TCP, src/dst ports are now 0) 

14:46:44.553547 IP (tos 0x0, ttl 60, id 35744, offset 0, flags [DF], p
+roto TCP (6), length 40)
    192.168.10.10.0 > 192.168.10.20.0: Flags [DF], cksum 0xcd50 (incor
+rect -> 0xd550), seq 0, win 65535, length 0

[download]

If i use your example and just change... 

my $packet = new Net::RawIP({udp => {check => 0}});

[download]

Or even..

my $packet = new Net::RawIP({udp => {}});

[download]

I still get a bad checkdum... 

4:47:22.542872 IP (tos 0x0, ttl 60, id 35885, offset 0, flags [DF], pr
+oto UDP (17), length 35)
    192.168.10.10.6544 > 192.168.10.20.514: [bad udp cksum 0xb59d -> 0
+xbd9d!] [|syslog]

[download]

-Will

In reply to Re^2: Net::RawIP - invalid checksum ? by willambender
in thread Net::RawIP - invalid checksum ? by willambender

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