[TriLUG] dhcp relay question

[Chris Bullock]

Again we are using Linux boxes to route not true routers like Cisco or 
Extreme Networks, I know in concept Linux routes, but not as a true 
router should IMHO.  We are using non-managed switches so the switch 
should have no intelligence about what is passing through it.

So I think that I should put a dhcp relay on my *Linux* router pointing 
it to the interface that has the DHCP server.
--cgb

STaylor at srspos.com wrote:

>
> Foundry uses something a little different.
>
> Depends on your switch. See below for foundry. The first example was 
> cisco.
>
> BigIron (config)# int e1
> BigIron (config)# ip bootp-gateway 109.157.22.26
>
>
> *Shawn Taylor*
> *Systech Retail Systems*
> *Suite 200 - 5510 Six Forks rd.*
> *Raleigh, NC* *27609*
> *1-800-232-0820 ext 127*
> _staylor at srspos.com_ <mailto:staylor at srspos.com>
>
>  
>
>
>
> 	*Michael Thompson <thompson at easternrad.com>*
> Sent by: trilug-admin at trilug.org
>
> 05/13/2003 10:54 AM
> Please respond to trilug
>
> 	       
>         To:        trilug at trilug.org
>         cc:        
>         Subject:        Re: [TriLUG] dhcp relay question
>
>
>
>
> On Tue, 2003-05-13 at 08:43, Mike Johnson wrote:
> > Chris Bullock [cgbullock at cox.net] wrote:
> > > Newbie routing/dhcp question!!
> > >
> > > Running DHCP on a Mandrake box to privide dhcp services to our 
> network.
> > > I am not able to provide DHCP to subnets beyond the network that the
> > > server lives on.  It is my understanding that routers do not 
> broadcast
> > > DHCP request.  I am using a Mandrake box also to do static 
> routing.  If
> > > I install and configure dhcp relay on the routers should this allow
> > > other subnets to obtain a dhcp ack?  
> >
> > Yes.  DHCP is ethernet broadcast, which is not repeated by layer 3
> > (routers) devices (normally), only layer 2 (switches/hubs).  If you
> > set your routers to relay DHCP, they'll do what you want.  
>
> Just curious, how do you do that?  (If there is a short answer...)
>
> I know I could RTFM but...  :)
>
> --mike
>
>
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