Re: IOS DHCP issue

From: ccie anees (ccieanees@yahoo.com)
Date: Fri Jan 12 2007 - 19:44:36 ART


Yes it is enabled. I am able to ping vlan 3 interface from R1.
   
  

Nick Griffin <nick.jon.griffin@gmail.com> wrote:
  Have you entered "ip routing" on the switch?

  On 1/12/07, ccie anees <ccieanees@yahoo.com> wrote: Hi,

   I have issues in getting IP from different subnet. Please kindly read the below notes and let me know what I am doing wrong.

  R1 ------------------ SW1 -------------------------- R3
         VLAN 17 VLAN 3

  R1 - DHCP server
SW1 - DHCP relay
R3 - DHCP client
  **********************************************************************
  Problem: R3 is not receiving IP address from DHCP server
  **********************************************************************
  Configuration:
###############
  R1
####
  interface FastEthernet0/0
ip address 129.1.17.1 255.255.255.0
!
  no ip dhcp conflict logging
ip dhcp excluded-address 129.1.3.1 129.1.3.2
ip dhcp excluded-address 129.1.3.4 129.1.3.254
!
ip dhcp pool R3_Pool
   network 129.1.3.0 255.255.255.0
   default-router 129.1.3.7
!

  SW1
######
  interface Vlan17
ip address 129.1.17.7 255.255.255.0
  interface Vlan3
ip address 129.1.3.7 255.255.255.128
ip helper-address 129.1.17.1

R3
###
  interface FastEthernet3/0
ip address dhcp
  *******************************************************************************************
  DEBUG on SW1
  SW1#debug ip dhcp server packet
  SW1#
4w0d: DHCPD: setting giaddr to 129.1.3.7.
4w0d: DHCPD: BOOTREQUEST from 0063.6973.636f.2d30.3064.302e.6262.3766.2e35.3035
342d.4661.332f.30 forwarded to 129.1.17.1.
4w0d: DHCPD: setting giaddr to 129.1.3.7.
4w0d: DHCPD: BOOTREQUEST from 0063.6973.636f.2d30.3064.302e.6262.3766.2e35.3035
342d.4661.332f.30 forwarded to 129.1.17.1.
  *******************************************************************************************

---------------------------------
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This archive was generated by hypermail 2.1.4 : Thu Feb 08 2007 - 23:46:56 ART