From: Larry Chuon (lchuon@gmail.com)
Date: Sun May 21 2006 - 13:19:43 ART
Petr,
That did it. Thanks for the URL as well.
r2(config-if)#no shut
r2(config-if)#
*May 21 16:26:12.727: Se0/1/0 PPP: Using dialer call direction
*May 21 16:26:12.727: Se0/1/0 PPP: Treating connection as a callin
*May 21 16:26:12.727: Se0/1/0 PPP: Session handle[4A000020] Session id[26]
*May 21 16:26:12.727: Se0/1/0 PPP: Authorization required
*May 21 16:26:12.731: %LINK-3-UPDOWN: Interface Serial0/1/0, changed state
to up
*May 21 16:26:12.731: %DIALER-6-BIND: Interface Se0/1/0 bound to profile Di1
*May 21 16:26:12.731: Se0/1/0 CHAP: O CHALLENGE id 23 len 23 from "r2"
*May 21 16:26:12.735: Se0/1/0 CHAP: I RESPONSE id 23 len 28 from "Rack1R4"
*May 21 16:26:12.735: Se0/1/0 PPP: Sent CHAP LOGIN Request
*May 21 16:26:12.735: Se0/1/0 PPP: Received LOGIN Response PASS
*May 21 16:26:12.735: Se0/1/0 PPP: Sent LCP AUTHOR Request
*May 21 16:26:12.739: Se0/1/0 PPP: Sent IPCP AUTHOR Request
*May 21 16:26:12.739: Se0/1/0 LCP: Received AAA AUTHOR Response PASS
*May 21 16:26:12.739: Se0/1/0 IPCP: Received AAA AUTHOR Response PASS
*May 21 16:26:12.739: Se0/1/0 CHAP:
r2(config-if)# O SUCCESS id 23 len 4
*May 21 16:26:12.739: Se0/1/0 PPP: Sent CDPCP AUTHOR Request
*May 21 16:26:12.739: Se0/1/0 PPP: Sent IPCP AUTHOR Request
*May 21 16:26:12.743: Se0/1/0 CDPCP: Received AAA AUTHOR Response PASS
r2(config-if)#
*May 21 16:26:13.739: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/1/0, changed state to up
Larry
On 5/21/06, Petr Lapukhov <petrsoft@gmail.com> wrote:
>
> Larry,
>
> Try "ppp direction dedicated" on "calling" Dialer interface, that is
> at "client" side (R4 in your case).
>
> Don't forget to shutdown/no shutdown physical interface.
>
> More details at:
>
>
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/tdia_r
/dia_p1ht.htm#wp1017778
>
> HTH
> Petr
>
> 2006/5/21, Larry Chuon <lchuon@gmail.com>:
> >
> > I can't figure out this chap authentication problem. It works with pap
> though.
>
> R4:
> username r2 password 0 CISCO
> !
> interface Serial0/1/0
> no ip address
> encapsulation ppp
> dialer in-band
> dialer pool-member 1
> pulse-time 1
> ppp chap hostname Rack1R4
> ppp chap password 0 CISCO
> !
> interface Dialer1
> ip address 20.20.24.4 255.255.255.0
> encapsulation ppp
> dialer pool 1
>
> R2:
> username r4 password 0 CISCO
> username Rack1R4 password 0 CISCO
> !
> interface Serial0/1/0
> no ip address
> encapsulation ppp
> dialer in-band
> dialer pool-member 1
> clock rate 2000000
> pulse-time 1
> ppp authentication chap
> !
> interface Dialer1
> ip address 20.20.24.2 255.255.255.0
> encapsulation ppp
> dialer pool 1
>
>
> debug:
> r2(config-if)#
> *May 21 15:30:26.059: Se0/1/0 AUTH: Timeout 4
> *May 21 15:30:26.059: Se0/1/0 CHAP: O CHALLENGE id 16 len 23 from "r2"
> r2(config-if)#
> *May 21 15:30:36.075: Se0/1/0 AUTH: Timeout 5
> *May 21 15:30:36.075: Se0/1/0 CHAP: O CHALLENGE id 17 len 23 from "r2"
>
> r4(config-if)#
> *May 21 15:26:23.771: Se0/1/0 CHAP: I CHALLENGE id 20 len 23 from "r2"
> *May 21 15:26:23.771: Se0/1/0 CHAP: Ignoring spoofed Challenge
> *May 21 15:26:23.795: Se0/1/0 AUTH: Timeout 8
> r4(config-if)#
> *May 21 15:26:33.787: Se0/1/0 CHAP: I CHALLENGE id 21 len 23 from "r2"
> *May 21 15:26:33.787: Se0/1/0 CHAP: Ignoring spoofed Challenge
> *May 21 15:26:33.811: Se0/1/0 AUTH: Timeout 9
>
> TIA,
> Larry
>
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