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Linux - Networking This forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.


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Old 12-17-2014, 02:50 PM   #1
Registered: Apr 2010
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question about mtu and don't fragment bit

What happens if you have a packet that exceeds the mtu with the dont' fragment bit set?
Old 12-17-2014, 03:14 PM   #2
Ser Olmy
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The router in question will drop the packet and return an ICMP type 3 ("destination unreachable") code 4 ("fragmentation required and DF flag set") message.
Old 12-17-2014, 03:41 PM   #3
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