Date: Mon, 14 Dec 2009 11:48:28 -0800 From: Jack Vogel <jfvogel@gmail.com> To: Kurt Buff <kurt.buff@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: Not seeing data on an unnumbered interface... Message-ID: <2a41acea0912141148y409453efj3cfc827723ec6fa8@mail.gmail.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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Usually assigning an address will bring it up, but you arent doing that, I am pretty sure using a pseudo device will always necessitating explicitly bringing it up, at least i know that is the case for VLANs also. Jack On Mon, Dec 14, 2009 at 11:39 AM, Kurt Buff <kurt.buff@gmail.com> wrote: > Sigh. Yes, that works. > > So, to expose even more of my ignorance, any thoughts on why it isn't > up at boot? > > 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" > > > > >
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