Not seeing data on an unnumbered interface...

[Kurt Buff]

Oh, good grief.

That's way too easy. How can I be l33t if it's that simple?

Thanks.

Kurt

On Mon, Dec 14, 2009 at 12:16, Tom Judge <tom at tomjudge.com> wrote:
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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 at 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 at 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 at 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
>>>> _______________________________________________
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>>>
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>
> - --
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