[pfSense] problems with setting 10.0.0.1/8 on LAN
nathan at atlasnetworks.us
Tue Nov 29 12:15:09 EST 2011
> Not on the firewall. The other hosts do have the second NICs on the
> 10.0.0.0/24 network. As far as I know mixing different netmasks on
> NICs on the same switch shouldn't result in complete unreachability.
> I think I'll do some experimenting by isolating hosts on a
> different, unreachable VLAN. This only works because the hosts
> are in very limited production, so some dowtime is tolerable.
The only item I can think of - and it's been a while since I played with this, so forgive me if I'm off my rocker - is that the broadcast address (used for ARPs to resolve IPs to MAC addresses) is defined by the subnet mask. Don't know if that's potentially involved here, but thought I'd offer it up.
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