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Date:      Mon, 14 Dec 2009 20:16:31 +0000
From:      Tom Judge <tom@tomjudge.com>
To:        Kurt Buff <kurt.buff@gmail.com>
Cc:        freebsd-net@freebsd.org, Jack Vogel <jfvogel@gmail.com>
Subject:   Re: Not seeing data on an unnumbered interface...
Message-ID:  <4B269D1F.3000501@tomjudge.com>
In-Reply-To: <a9f4a3860912141139p516a6345p56cf513462387e72@mail.gmail.com>
References:  <a9f4a3860912141129v28af3f13x1f9e9ae725ff5170@mail.gmail.com>	<2a41acea0912141135k35a4bd1fi8f727aaf19a188ec@mail.gmail.com> <a9f4a3860912141139p516a6345p56cf513462387e72@mail.gmail.com>

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Kurt Buff wrote:
> Sigh. Yes, that works.
> 
> So, to expose even more of my ignorance, any thoughts on why it isn't
> up at boot?
> 

/etc/rc.conf:

ifconfig_em0="UP"




> Kurt
> 
> On Mon, Dec 14, 2009 at 11:35, Jack Vogel <jfvogel@gmail.com> wrote:
>> Not familiar with ntop, but I notice below that the em interface is not UP,
>> what
>> if you `ifup em0` ?
>>
>> Jack
>>
>>
>> On Mon, Dec 14, 2009 at 11:29 AM, Kurt Buff <kurt.buff@gmail.com> wrote:
>>> All,
>>>
>>> I'm having a very strange problem. I'm running ntop - the unnumbered
>>> interface is not receiving any data.
>>>
>>> Running 'tcpdump -i em0' also gets no data. I am really baffled - I've
>>> tried it against a switch that I know has a correctly configured
>>> mirror port, as I have ntop running on another machine and that works
>>> fine in the same port, but it's running 7.1-RELEASE.
>>>
>>> Anyone have thoughts on this?
>>>
>>>
>>> # uname -a
>>> FreeBSD zntop.mycompany.com 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat
>>> Nov 21 15:48:17 UTC 2009
>>> root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386
>>>
>>> # cat /etc/rc.conf
>>> hostname="zntop.mycompany.com"
>>> ifconfig_rl0="DHCP"
>>> ntpdate_enable="YES"
>>> ntpdate_flags="-b 192.168.10.191"
>>> sshd_enable="YES"
>>> ntop_enable="YES"
>>> ntop_flags="-d -u ntop -P /home/ntop/databases -K -L -t 6 -o -i em0 -W 0"
>>>
>>> zntop# ifconfig
>>> em0: flags=8902<BROADCAST,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>        options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
>>>        ether 00:1b:21:04:2a:c5
>>>        media: Ethernet autoselect (100baseTX <full-duplex>)
>>>        status: active
>>> rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>>        options=8<VLAN_MTU>
>>>        ether 00:0c:46:b3:43:53
>>>        inet 192.168.24.51 netmask 0xffffff00 broadcast 192.168.24.255
>>>        media: Ethernet autoselect (100baseTX <full-duplex>)
>>>        status: active
>>> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>>>        options=3<RXCSUM,TXCSUM>
>>>        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
>>>        inet6 ::1 prefixlen 128
>>>        inet 127.0.0.1 netmask 0xff000000
>>>
>>>
>>> Kurt
>>> _______________________________________________
>>> freebsd-net@freebsd.org mailing list
>>> http://lists.freebsd.org/mailman/listinfo/freebsd-net
>>> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>>
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"


- --
TJU13-ARIN
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