Cisco 3800 series DHCP, VLAN help - TechRepublic
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May 31, 2006 at 12:35 PM
jeremy.smith

Cisco 3800 series DHCP, VLAN help

by jeremy.smith . Updated 18 years, 3 months ago

Ok, below is how I have my DHCP setup and my VLAN setup. I tired to just do straight DHCP without a VLAN but I found out that my ethernet ports that I want to DHCP are all L2 (layer 2) and cannot be setup with an IP or DHCP. I was told to try and setup a VLAN and “point” to the DHCP. It still does not work the way I have it setup though. Could someone tell me what I did wrong or if there is a better way to do this. I have a
cisco 3845
Ports:Console, AUX, GE0/0, GE0/1, Fast ethernet 0
Card: NM-ESW-16 (16 ethernet ports)
NMD-36-ESW (36 ethernet ports,GE0, GE1)

ip dhcp database NIPR_Transit
no ip dhcp conflict logging
ip dhcp excluded-address 172.25.1.1 172.25.1.50
ip dhcp excluded-address 172.25.1.200 172.25.1.255
!
ip dhcp pool Transit_LAN
import all
network 172.25.1.0 255.255.255.0
default-router 172.25.1.1
domain-name SJFHQ-N_Transit_case
dns-server 172.25.1.10 172.25.1.11
netbios-name-server 172.25.1.15
lease 7

interface Vlan1
description Cisco DHCP
ip address 172.25.1.1 255.255.255.0
ip helper-address 172.25.1.1

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