>We have a FreeBSD 3.1R machine as our main router uplinking to a
>Cisco 3620 (back to back, no switch).
>
>All works well, and had for months. After a reboot of cisco and
>freebsd, all still works well, but we cannot ping cisco inside to
>fbsd outside (the back to back interfaces with x-over cable), plus
>when we traceroute up to internet, all we get is * * * when
>traversing that link, followed by normal traceoute behavior.
>
>This link carries several a gigabyte of traffic a day in both
>directions without pb's, but we have this problem with that link.
I found a garbage route had crept into my routing table with a
gateway of 255.255.255.252. So that's fixed the arp complaints but
the above pb persists.
>dmesg shows tons of:
>
>arpresolve: can't allocate llinfo for 255.255.255.252rt
>arplookup 255.255.255.252 failed: host is not on local network
>arpresolve: can't allocate llinfo for 255.255.255.252rt
>arplookup 255.255.255.252 failed: host is not on local network
>arpresolve: can't allocate llinfo for 255.255.255.252rt
>
>
>and /var/log/messages shows:
>
>Jan 16 18:03:49 gw1 /kernel: arplookup 255.255.255.252 failed: host
>is not on local network
>Jan 16 18:03:49 gw1 /kernel: arpresolve: can't allocate llinfo for
>255.255.255.252rt
>Jan 16 18:03:51 gw1 /kernel: arplookup 255.255.255.252 failed: host
>is not on local network
>Jan 16 18:03:51 gw1 /kernel: arpresolve: can't allocate llinfo for
>255.255.255.252rt
>Jan 16 18:03:52 gw1 /kernel: arplookup 255.255.255.252 failed: host
>is not on local network
>Jan 16 18:03:52 gw1 /kernel: arpresolve: can't allocate llinfo for
>255.255.255.252rt
>
>255.255.255.252 is of course not an ip address but a netmask on the
>two of the 3 xl0 cards in that machine.
>
>ifconfig -a shows nothing strange
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