DragonFly users List (threaded) for 2006-08
Re: Static IP on DHCP system?
:That would put that and your router on different netblocks; it would
:likely route packets it doesn't know about out via it's default
:You won't be able to adminster your router from within your LAN,
:and hopefully your ISP is filtering RFC1918 addresses. :)
:Brian Reichert <reichert@xxxxxxxxxxx>
It should be ok, actually. The 10. address will be on the local net
from the point of view of the originating machine, which means that
it will try to resolve it via ARP instead of defaulting it out to
the router. The router will never see it.
I run a 10. network on the same physical ethernet that I run my
internet-routable 216.240.41.* block.
Even so, it is generally a good idea to have rules on the router
to discard any IP frames received on the LAN interface that do not
originate from an internet routable address. It is also a good
idea to have rules on the router that discard any IP frames received
on the WAN interface that have LAN origination IPs (i.e. someone external
trying to spoof either your internet-routable IP(s) or your unroutable