Hi
I`ve got the same messages on FreeBSD 6-STABLE (tracked every second
week). I think that somebody is using default MAC address on network.
Best regards
> Hi!
>
> This morning, I found this in the daily periodic mail from a RELENG_7
> machine:
>
> +arp: unknown hardware address format (0x0000)
> +arp: unknown hardware address format (0x0000)
> +arp: unknown hardware address format (0x0000)
> +arp: unknown hardware address format (0x0000)
> +arp: unknown hardware address format (0x0000)
>
> I checked my yesterdays' logs and found:
>
> Feb 21 20:56:39 bellona dhcpd: DHCPREQUEST for 192.168.178.20 from
> 00:18:de:a4:b
> 8:6a via aue0: wrong network.
> Feb 21 20:56:39 bellona dhcpd: DHCPNAK on 192.168.178.20 to
> 00:18:de:a4:b8:6a vi
> a aue0
> Feb 21 20:56:40 bellona kernel: arp: unknown hardware address format
> (0x0000)
> Feb 21 20:56:40 bellona kernel: Feb 21 20:56:40 bellona kernel: arp:
> unknown hardware address format (0x0000)
> Feb 21 20:56:42 bellona kernel: arp: unknown hardware address format
> (0x0000)
> Feb 21 20:56:47 bellona last message repeated 3 times
> Feb 21 20:56:51 bellona dhcpd: DHCPDISCOVER from 00:18:de:a4:b8:6a via
> aue0
> Feb 21 20:56:51 bellona kernel: Feb 21 20:56:51 bellona dhcpd:
> icmp_echorequest 192.168.20.249: Operation not permitted
> Feb 21 20:56:52 bellona dhcpd: DHCPOFFER on 192.168.20.249 to
> 00:18:de:a4:b8:6a (lp4) via aue0
>
>
> 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #8: Sun Feb 17 19:13:08 CET 2008
>
> The network the dhcp client was requesting (192.168.178.20) is not mine,
> dhcpd rejected that address and offered another one. But why does
> FreeBSD complain about the bad hardware address?
>
> Any explanations?
>
> Volker
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---
Jan Sebosik
sebosik@demax.sk