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Sindi Keesan wrote:
>
> Netsetup had nothing about lo - what is this for 

localhost

> and should I be including this line for ISA cards?  

No, lo is already configured in one of your startup scripts.
If you do 'ifconfig', you will see it there.

> They are needed to dial with eznet to a remote network, but 
> are they also required for using ethernet in a local network?  

Nope.  The slhc and ppp modules are for ppp, not ethernet.  
Just to make things confusing, there is something called 
pppoe (ppp over ethernet) but that is something else.

> > what is dhcp?  Why and how would one use it?
>
> I think this has something to do with automatically assigning 
> a DNS server 
> Someone please correct me if wrong.  

It's for automatically configuring your network address
(i.e. substitute for ifconfig).

Cheers,
Steven