[c-nsp] DHCP configuration

[Patrick Bohannon]

Each of your subinterfaces will have an IP address, correct?  The
'default-router' keyword will 'tie' your DHCP pool to a particular
subinterface.

See:

ip dhcp pool pool2
   network 10.0.1.0 255.255.255.0
   default-router 10.0.1.1 
   dns-server x.x.x.x x.x.x.x

Will answer DHCP requests for the following subinterface:

interface FastEthernet0/0.2
 encapsulation dot1Q 2
 ip address 10.0.1.1 255.255.255.0
 ip nat inside
 no cdp enable

But not this one:

interface FastEthernet0/0.2
 encapsulation dot1Q 3
 ip address 10.0.2.1 255.255.255.0
 ip nat inside
 no cdp enable

You can create another pool by a different name and simply change the
'default-router' variable to run two (or more) DHCP servers.

Does this help?

Patrick


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Lucas Iglesias
Sent: Monday, December 13, 2004 10:38 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] DHCP configuration

Hi All,

I've never had to configure a DHCP server service on a router, and I can't
find a way to do what I need. I have a router (1760) connected to a 2950,
which handle 2 vlans (router-on-stick). I saw the configuration to configure
it as a DHCP server, but I can't find a way to enable it only on one of the
subinterfaces (one of the vlans) and not in the other one.

Any ideas?
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