[TriLUG] Specifying fixed addresses using DHCP (was Re: enabling SSH into private network)

[Chris Bullock]

Depending on the size of your network, it's always best to use DHCP.  The
overhead is much less if *any* network changes are made.  Some switching
equipment is now using dhcp as a way to dynamically create VLANS, so that
the network teams do not have to manually configure switchports.  I use
DHCP, with reservations, for all my devices with the exception of edge
firewalls.
Regards,
Chris
--- Jason Watts <jsnonzzr at gmail.com> wrote:

> Lance,
> 
> Sounds about what I was thinking, just wasn't sure never really  heard
> or
> thought of it being done that way.
> 
> On Jan 2, 2008 8:09 PM, Lance A. Brown <lance at bearcircle.net> wrote:
> 
> > Jason Watts said the following on 1/2/2008 5:25 PM:
> > > being the non networking expert I am, didnt know that was possible. 
> I
> > guess
> > > the next question to be asked should be does his router support that
> :).
> >
> > That is a good question, if whatever is providing his DHCP doesn't do
> > fixed assignments than he won't be able to do that. :-)
> >
> >
> > > With what you described.  does the router hold the IP's/mac's indef
> or
> > for a
> > > specified amount of time?
> >
> > On linux, using bind DHCP server, you do something like:
> >
> >        host wrt54g-bearsden {
> >                hardware ethernet 00:aa:bb:cc:dd:ee;
> >                fixed-address 192.168.0.10;
> >        }
> >
> > to specify a fixed IP address for a mac address.
> >
> > On my WRT54G wireless router/access point, there is a configuration
> web
> > page to specify IP addresses for specific mac addresses.
> >
> > --[Lance]
> >
> >
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