03-23-2010
A generic "home router" does NAT and IP masquerade, and functions as its own internet gateway. This means that all requests from your subnet will appear to be coming from the router's IP itself, while the router keeps track of which external responses belong to which internal IPs by their incoming port numbers. Things like DHCP are of course blocked entirely so it can handle its own internal subnet independent of the external "WAN". In other words I don't think the router's doing anything remotely like what you'd hoped it'd do by default.
If it's even possible to do what you want with your router you'll need to use some 'advanced' routing options. What model are you using?
I'd also note that most "home" routers are 100baseT, not gigabit, so unless most of the communication on that subnet is going to be inter-machine a gigabit switch seems a bit of a waste.
Last edited by Corona688; 03-23-2010 at 11:24 AM..
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LEARN ABOUT OSX
defaultrouter
defaultrouter(4) File Formats defaultrouter(4)
NAME
defaultrouter - configuration file for default router(s)
SYNOPSIS
/etc/defaultrouter
DESCRIPTION
The /etc/defaultrouter file specifies a IPv4 host's default router(s).
The format of the file is as follows:
IP_address
...
The /etc/defaultrouter file can contain the IP addresses or hostnames of one or more default routers, with each entry on its own line. If
you use hostnames, each hostname must also be listed in the local /etc/hosts file, because no name services are running at the time that
defaultrouter is read.
Lines beginning with the ``#'' character are treated as comments.
The default routes listed in this file replace those added by the kernel during diskless booting. An empty /etc/defaultrouter file will
cause the default route added by the kernel to be deleted.
Use of a default route, whether received from a DHCP server or from /etc/defaultrouter, prevents a machine from acting as an IPv4 router.
You can use routeadm(1M) to override this behavior.
FILES
/etc/defaultrouter Configuration file containing the hostnames or IP addresses of one or more default routers.
SEE ALSO
in.rdisc(1M), in.routed(1M), routeadm(1M), hosts(4)
SunOS 5.10 17 Aug 2004 defaultrouter(4)