DHCP Quandry..

From: Art Lee (bahia111@comcast.net)
Date: Mon Oct 18 2004 - 21:04:35 GMT-3


I am trying to get a router (R5) that sits between the server (R1) &
client (R4) to forward the assigned ip address to the client. The server
is also connected to the client via isdn, with the client negotiating
it's Dialer 1 address with the in-between router. I am not getting any
dhcp discover pacs from client & of course, I am not getting any dhcp
offer pacs from the server. Here are my truncated configs:

R4 (Client)

interface BRI0/0
 no ip address
 encapsulation ppp
 dialer pool-member 1
 isdn switch-type basic-ni
 isdn spid1 0555100001 5551000

interface Dialer1
 ip address negotiated
 encapsulation ppp
 dialer pool 1
 dialer idle-timeout 300
 dialer string 5552000
 dialer-group 1

access-list 100 deny udp any any eq rip
access-list 100 permit ip any any
dialer-list 1 protocol ip list 100

R5 (In-Between Router)

ip dhcp-server 139.1.13.1

interface BRI0/0
 no ip address
 encapsulation ppp
 dialer pool-member 1
 isdn switch-type basic-ni
 isdn spid1 0555200001 5552000

interface Dialer1
 ip address 139.1.45.5 255.255.255.0
 ip helper-address 139.1.13.1
 encapsulation ppp
 dialer pool 1
 dialer idle-timeout 300
 dialer string 5551000
 dialer-group 1
 peer default ip address dhcp

access-list 100 deny udp any any eq rip
access-list 100 permit ip any any
dialer-list 1 protocol ip list 100

R1 (Server)

no ip dhcp conflict logging
ip dhcp excluded-address 139.1.45.0 139.1.45.3
ip dhcp excluded-address 139.1.45.5 139.1.45.255

ip dhcp pool FOR_R4
   network 139.1.45.0 255.255.255.0

Am I missing something basic here or what?

-- 
***********************
Art Lee
bahia111@comcast.net
Digital Pixels


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