tcpdump

From: <WScates_at_amc.jccbi.gov>
Date: Thu, 07 Feb 2002 13:26:04 -0600

Hello managers,

While trying to investigate some oracle issues, I used tcpdump in an attempt
to monitor the network traffic.

In order to get a decent baseline on average times I also ran ping during
the test.
The problem I seem to have is that I am not able to view outbound packets
(as you would if running tcpdump from a linux box).

Example:

tcpdump -n ip host xxx.xx.xxx
tcpdump -n -vv ip host xxx.xx.xxx
tcpdump -n -vv -i tu0 host xxx.xx.xxx
tcpdump -vv ip host xxx.xx.xxx

13:19:25.124035 snap ip xxx.xx.xx.xxx > xxx.xx.xx.xxx: icmp: echo reply (ttl
124, id 13022)
13:19:26.147131 snap ip xxx.xx.xx.xxx > xxx.xx.xx.xxx: icmp: echo reply (ttl
124, id 13023)
13:19:27.172882 snap ip xxx.xx.xx.xxx > xxx.xx.xx.xxx: icmp: echo reply (ttl
124, id 13024)


This would be on a GS140 running Tru64 4.0g

Have I used the wrong switches (since I'm not seeing the 'whole'
conversation?), or is this how tcpdump works on Tru64.



-Will
Received on Thu Feb 07 2002 - 19:26:24 NZDT

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