On Wed, Dec 1, 2010 at 8:42 AM, Brian McCann <bjmcc...@gmail.com> wrote: > I'm having an interesting problem on a fresh 8.1-RELEASE1 install. > I'll start by saying this didn't happen on 7.1 on the same exact > machine. I've been fighting with this for 2 days now and have come up > with no answers on my own, so I'm hoping one of you guys can have some > insight here. > > When I run "/etc/rc.d/netif restart" (also happens with a stop / > start) , I can no longer get to the server over the network. When I > do a packet capture on my workstation, it looks like it's MAC address > changed somehow. The first two bytes of the address are different. > For example, the real MAC is 00:15:17:1b:cf:7a , but I'll see the > replies from a MAC of "02:67:17:1b:cf:7a". After each run of > "/etc/rc.d/netif restart", the first two bytes will change again. I > have to reboot the server to get it working again. The "em" cards in > question are: > > dev.em.0.%desc: Intel(R) PRO/1000 Network Connection 7.0.5 > dev.em.0.%pnpinfo: vendor=0x8086 device=0x108c subvendor=0x8086 > subdevice=0x348d class=0x020000 > dev.em.1.%desc: Intel(R) PRO/1000 Legacy Network Connection 1.0.1 > dev.em.1.%pnpinfo: vendor=0x8086 device=0x1076 subvendor=0x8086 > subdevice=0x348d class=0x020000 > > FWIW, this is on an Intel 1530 series server. > > Thanks in advance, > --Brian
I botched the problem description slightly. In the packet capture on the workstation, the server's MAC is always correct. The response (SYN/ACK packet) from the server is destined to the wrong MAC address. The first two bytes are wrong somehow. The arp table on the server is correct. If I run "arp -ad", the problem remains. I've also produced this problem by doing "ifconfig em1 down" then "ifconfig em1 up". To make this problem even stranger, I can make a connection from the server to a workstation without issue. It appears to only be incoming connections. Thanks again, --Brian -- _-=-_-=-_-=-_-=-_-=-_-=-_-=-_-=-_-=-_-=-_-=-_ Brian McCann "I don't have to take this abuse from you -- I've got hundreds of people waiting to abuse me." -- Bill Murray, "Ghostbusters" _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
