Re: 3560 Switch as DHCP Server - Not working ..any help

From: Dale Shaw (dale.shaw@gmail.com)
Date: Tue Mar 10 2009 - 03:02:32 ARST


Hmm, that config looks OK, apart from your "default-router" option --
you don't need to specify a mask, so what you're actually doing there
is specifying a second default gateway IP of 255.255.255.0, which
obviously won't work.

You don't have "no service dhcp" in your config, do you? "service
dhcp" is enabled by default, but it's worth verifying.

The DHCP server debugs are pretty useful..

Is the Vlan175 interface actually up/up? i.e. are there active ports
in that VLAN? Maybe you could describe your lab environment in more
detail.

cheers,
Dale

On Tue, Mar 10, 2009 at 3:39 PM, sham sunder <new_town04@yahoo.com> wrote:
> I was trying to use one of the Switch as DHCP Server and rest router as
> clients
> - there shld not be a need for helper address .. but its not working ..
> - Not sure wht is missing or wht is hidden thing required ..same config works
> with Router
>
> no ip dhcp conflict logging
> ip dhcp excluded-address 192.168.12.1
> ip dhcp excluded-address 192.168.12.255
> !
> ip dhcp pool Test
> network 192.168.12.0 255.255.255.0
> dns-server 10.10.10.10 11.11.11.11
> domain-name testdomain
> default-router 192.168.12.1 255.255.255.0
> netbios-name-server 192.168.12.1
> lease 7
>
> interface Vlan175
> ip address 192.168.12.1 255.255.255.0
>
>
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