Can't talk to local network interface

Matt Smith freebsd at
Sun Aug 16 17:51:44 UTC 2009

I have just installed a new world/kernel dated:

Aug 16 09:54:34 tao kernel: FreeBSD 8.0-BETA2 #0: Sun Aug 16 03:21:18 BST

I've found that since booting it I can not talk to anything using the
servers own IP address locally. I can telnet ports and ping but
trying anything on just sits there saying trying... and 100%
packet loss. I can connect to from another server on the
network however. It's literally just the box looping back to itself.

If I revert to this kernel:

Aug 16 18:17:47 tao kernel: FreeBSD 8.0-BETA2 #0: Sat Jul 25 20:09:24 BST

then everything works fine again.

The interface in question is this:

vr0: <VIA VT6102 Rhine II 10/100BaseTX> port 0xb000-0xb0ff mem
0xf6000000-0xf60000ff irq 16 at device 13.0 on pci0
vr0: Quirks: 0x0
vr0: Revision: 0x8d
miibus0: <MII bus> on vr0
vr0: Ethernet address: 00:40:63:e8:79:3e
vr0: [ITHREAD]

vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 00:40:63:e8:79:3e
inet netmask 0xffffff00 broadcast
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active

I am running ipfw but the only rule loaded is the default rule which is
default to accept on all interfaces. I've tried disabling the firewall with
the sysctl as well and the problem persists so I don't think it's ipfw

Regards, Matt

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