Hi All,
Just doing some packet dumps on one of our hosts and i get this:
[root@assam root]# tcpdump -i any udp and port 111 -e -v -x -s 200 -O -n
tcpdump: listening on any
00:00:31.475779 < 0:50:da:90:5c:d4 ip 160: 134.7.1.1.45520 >
134.7.5.1.sunrpc: [bad udp cksum fdfc!] udp 116 (DF) (ttl 254, id 29362,
len 144)
4500 0090 72b2 4000 fe11 f799 8607 0101
8607 0501 b1d0 006f 007c 7662 3ccd 2cf7
0000 0000 0000 0002 0001 86a0 0000 0002
0000 0005 0000 0001 0000 003c 3cc0 421b
0000 0004 6269 6b65 0000 0000 0000 0001
0000 0009 0000 000a 0000 000e 0000 0034
0000 004f 0000 0050 0000 0051 0000 0065
0000 00c8 0000 00d0 0000 0000 0000 0000
0001 86a5 0000 0002 0000 0000 0000 0000
1 packets received by filter
0 packets dropped by kernel
---
The problem is that the checksum is fine. and fdfc doesn't
even appear in the traffic. BTW this is RPC traffic!
Any ideas?
Cheers
Dave
/-----------------------------------
David Shirley
System's Administrator
Computer Science - Curtin University
(08) 9266 2986
-----------------------------------/
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