Maybe I am being too clever for my own good, but heres the problem.
I am in the lucky position of having a /29 public subnet allocated from my
ISP in addition to a single (/32) ip address for the WAN side of a router.
Using an ADSL router with a Globespan Virata firmware, I have been
attempting to pass the single WAN ip address to the WAN interface of
m0n0wall using a ZeroIP bridge configuration on the router.
Everthing works fine when I connect a Win2k pro machine directly to the
router. DHCP on the router correctly assigns the WAN ip to the PC's nic with
a seperate gateway ip and 255.255.255.255 subnet mask. The PC can correctly
access the internet.
However when DHCP allocates the WAN ip to m0n0wall the gateway address is
also set to the WAN ip address and no packets are routed to the internet.
The following get entered to the system log:
Feb 6 22:21:27 /kernel: arplookup xx.x.xxx.xx failed: host is not on local
Feb 6 22:21:27 /kernel: arpresolve: can't allocate llinfo for 126.96.36.199rt
Feb 6 22:21:47 /kernel: arplookup xx.x.xxx.xx failed: host is not on local
Feb 6 22:21:47 /kernel: arpresolve: can't allocate llinfo for 188.8.131.52rt
I have had a quick google and most information suggests this is down to the
physical network problem or poor subneting. Can anybody offer any help or
further explanation of what is happening?
I know I could route the /29 subnet to the WAN interface of the m0n0wall and
then bridge two interfaces, but wouldn't I be losing an uasable IP address
in the process over bridging as above?
Thanks in advance for any suggestions/advice.
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