My hardware ethernet router is showing some signs of age and it occurred to me 
that this is a great opportunity to chuck it and use my SOHO OpenSolaris (SXCE) 
server to perform this function along with all the other services (mail-server, 
file-server, etc.).

Internet [nic 1] -> OpenSolaris (router services) -> Intranet [nic 2]
                                          |
                                          v
                          network services (web, mail, etc.)

However, this encompasses a number of areas that are unfamiliar to me.  
Specifically:
* dhcp server - How do I properly set this up and automatically add dhcp 
clients to the hosts and/or DNS tables for intranet lookup? How do I pass the 
appropriate gateway/dns server information to the clients?
* crossbow - Is it better to set up this router in a zone or not? 
* port forwarding/NAT - General how to (ipf, etc.)

Has anyone actually done this?  I've found snippets of information on the 
internet that is useful, but I don't want to put my server out of commission 
for too long.  I really need to put all my ducks in a row before I attempt it.  
I would use another machine, but none of the ones with multiple nics are 
available.

There was a great project, VNRP, that had a virtual router appliance but it was 
pre-crossbow and work seems to have stopped.  Is this still relevant?

Do any of the new OpenSolaris books cover this specific topic? Or is there a 
internet source that I may have missed?

Barring that, would someone act as mentor?  I could keep notes and put together 
a document for anyone wanting to do something similar in the future.  I'm 
probably making too much out of this and it's probably much easier than I 
imagined, but there are a lot of places for silly mistakes.
-- 
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