Public bug reported:
Binary package hint: tcpdump
When you send a ping with a packet size of 1400 the reply lists a packet size
of 1408?
This is a wrong value. I started some debugs on our network equiment (Cisco)
and the actual size is 1400.
Wireshark also states a packet size of 1400.
Cheers, Marco
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ping -s 1400 <destination>
-------------------------------------------------------------------------------------------------------------------------------------------
PING <destination> (<destination>) 1400(1428) bytes of data.
1408 bytes from <destination>: icmp_seq=1 ttl=64 time=7.02 ms
1408 bytes from <destination>: icmp_seq=2 ttl=64 time=0.744 ms
1408 bytes from <destination>: icmp_seq=3 ttl=64 time=0.868 ms
-------------------------------------------------------------------------------------------------------------------------------------------
tcpdump:
14:21:53.538196 IP <source> > <destination>: ICMP echo request, id 5661, seq 6,
length 1408
14:21:53.540206 IP <destination> > <source>: ICMP echo reply, id 5661, seq 6,
length 1408
** Affects: tcpdump (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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reply has wrong packet size
https://launchpad.net/bugs/84893
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