re [KLUG Members] OpenVPN & DHCP

[Adam Tauno Williams]

> Thanks for explaining that.  I think I understand now.  I didn't realize
> the vpn network was a sort of "virtual" ip range on a "virtual"
> adapter.  Would the tun0 interface show up, then, on something like
> ifconfig?

It should.  For every interface be it eth, ppp, tap, tun, etc... it should
appear in ifconfig if it is online (even if it does not have an IP address)..
 
> The VPN IP address range in server.conf just needs to be a private range
> that doesn't exist on either client or server LAN?  
> Is there a possible problem if the two LANs (client & server) have
> similar ip addresses?  For example, if the client is on a 192.168.0.x
> range and the server is also on a 192.168.0.x range does that create any
> sort of problem?

Yes, you'll have to NAT between the networks if the ranges overlap.  It is
gnarly.  It is best to try to keep the range of every network you work on
unique,  life is just simpler that way.