From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Thu Aug 23 2007 - 18:53:03 ART
Change R4 to "ip address dhcp" and see if that makes a difference.
Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
bdennis@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
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>----- Original Message -----
Subject: peer default ip address dhcp
Date: Thu, August 23, 2007 14:29
From: "ISolveSystems" <support@isolvesystems.com>
> R4 is connect to R5 via ppp and R5 is connected to R1 via ppp.
>
> R4----ppp----R5-----fr-----R1
>
> R4 is configured to obtain ip address from R1 via PPP negotiation. For
some
> reason, R4 is not getting the IP.
>
> Debug ppp neg on R4 shows:-(partial output)
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: Timeout: State ACKsent
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: O CONFREQ [ACKsent] id 3 len 10
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: Address 0.0.0.0 (0x030600000000)
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: I CONFREQ [ACKsent] id 3 len 10
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: Address 139.1.45.5 (0x03068B012D05)
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: O CONFACK [ACKsent] id 3 len 10
> *Aug 23 21:47:39.217: Se0/1/0 IPCP: Address 139.1.45.5 (0x03068B012D05)
> *Aug 23 21:47:39.297: Se0/1/0 IPCP: I CONFREJ [ACKsent] id 1 len 10
> *Aug 23 21:47:39.297: Se0/1/0 IPCP: Address 0.0.0.0 (0x030600000000)
> Rack1R4(config-if)#
> *Aug 23 21:47:39.297: Se0/1/0 IPCP: ID 1 didn't match 3, discarding packet
> Rack1R4(config-if)#
> *Aug 23 21:47:41.233: Se0/1/0 IPCP: Timeout: State ACKsent
> *Aug 23 21:47:41.233: Se0/1/0 IPCP: O CONFREQ [ACKsent] id 4 len 10
> *Aug 23 21:47:41.233: Se0/1/0 IPCP: Address 0.0.0.0 (0x030600000000)
>
> R1 has the following:-
> ip dhcp pool R4
> network 139.1.45.0 255.255.255.0
> ip dhcp excluded-address 139.1.45.1 139.1.45.3
> ip dhcp excluded-address 139.1.45.5 139.1.45.255
>
> R5 has the following:-
> ip dhcp-server 139.1.15.1 --pointing to R1
>
> interface Serial0/1/0
> ip address 139.1.45.5 255.255.255.0
> ip rip advertise 3
> encapsulation ppp
> ip policy route-map FROM_VL43
> peer default ip address dhcp
> clock rate 2000000
> end
>
> R4 has the follwoing:-
> interface Serial0/1/0
> ip address negotiated
> ip rip advertise 3
> encapsulation ppp
> end
>
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This archive was generated by hypermail 2.1.4 : Sat Sep 01 2007 - 11:32:12 ART