Date: Tue, 25 Jul 2006 11:41:50 -0400 From: Steel City Phantom <scphantm@yahoo.com> To: freebsd-questions@freebsd.org Subject: Re: dumping net traffic to log file Message-ID: <44C63BBE.90102@yahoo.com> In-Reply-To: <20060725011022.GD27489@jeeves.stilyagin.local> References: <44C51D80.8060306@yahoo.com> <20060725011022.GD27489@jeeves.stilyagin.local>
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im trying the command
tcpdump -i em0 > traffic.log
and i get the response
tcpdump: (no devices found) /dev/bpf0: No such file or directory
im doing it as root. this is a dell poweredge 2850 and we are using
the standard gigabit network cards that came onboard. here are the
details on the nic
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=b<RXCSUM,TXCSUM,VLAN_MTU>
inet 192.168.245.246 netmask 0xffffff00 broadcast
192.168.245.255
ether 00:13:72:56:aa:ca
media: Ethernet autoselect (100baseTX <half-duplex>)
status: active
in my dev directory em0 is mapped to net1. when i try the same
command with net1, i get the same thing.
Darrin Chandler wrote:
On Mon, Jul 24, 2006 at 03:20:32PM -0400, Steel City Phantom wrote:
i am troubleshooting an application and am having a hell of a time with
it. with bsd 6.1 is there a way where i can dump all traffic coming
over the nic to a log file so i can see exactly what is coming in?
tcpdump works nicely for this. :)
help
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