Date: Mon, 14 Dec 2009 11:29:54 -0800 From: Kurt Buff <kurt.buff@gmail.com> To: freebsd-net@freebsd.org Subject: Not seeing data on an unnumbered interface... Message-ID: <a9f4a3860912141129v28af3f13x1f9e9ae725ff5170@mail.gmail.com>
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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
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